def retry_on_db_error(func, retry=None):
"""Decorates the given function so that it retries on DB errors.
Note that the decorator retries the function/method only on some
of the DB errors that are considered to be worth retrying, like
deadlocks and disconnections.
:param func: Function to decorate.
:param retry: a Retrying object
:return: Decorated function.
"""
if not retry:
retry = tenacity.Retrying(
retry=tenacity.retry_if_exception_type(_RETRY_ERRORS),
stop=tenacity.stop_after_attempt(50),
wait=tenacity.wait_incrementing(start=0, increment=0.1, max=2)
)
# The `assigned` arg should be empty as some of the default values are not
# supported by simply initialized MagicMocks. The consequence may
# be that the representation will contain the wrapper and not the
# wrapped function.
@functools.wraps(func, assigned=[])
def decorate(*args, **kw):
# Retrying library decorator might potentially run a decorated
# function within a new thread so it's safer not to apply the
# decorator directly to a target method/function because we can
# lose an authentication context.
# The solution is to create one more function and explicitly set
# auth context before calling it (potentially in a new thread).
auth_ctx = context.ctx() if context.has_ctx() else None
return retry.call(_with_auth_context, auth_ctx, func, *args, **kw)
return decorate
def retry_on_db_error(func, retry=None):
"""Decorates the given function so that it retries on DB errors.
Note that the decorator retries the function/method only on some
of the DB errors that are considered to be worth retrying, like
deadlocks and disconnections.
:param func: Function to decorate.
:param retry: a Retrying object
:return: Decorated function.
"""
if not retry:
retry = tenacity.Retrying(
retry=tenacity.retry_if_exception_type(_RETRY_ERRORS),
stop=tenacity.stop_after_attempt(50),
wait=tenacity.wait_incrementing(start=0, increment=0.1, max=2))
# The `assigned` arg should be empty as some of the default values are not
# supported by simply initialized MagicMocks. The consequence may
# be that the representation will contain the wrapper and not the
# wrapped function.
@functools.wraps(func, assigned=[])
def decorate(*args, **kw):
# Retrying library decorator might potentially run a decorated
# function within a new thread so it's safer not to apply the
# decorator directly to a target method/function because we can
# lose an authentication context.
# The solution is to create one more function and explicitly set
# auth context before calling it (potentially in a new thread).
auth_ctx = context.ctx() if context.has_ctx() else None
return retry.call(_with_auth_context, auth_ctx, func, *args, **kw)
return decorate
def create_db_retry_object():
return MistralRetrying(
retry=tenacity.retry_if_exception_type(
(sa.exc.OperationalError, db_exc.DBConnectionError)),
stop=tenacity.stop_after_attempt(10),
wait=tenacity.wait_incrementing(increment=0.2) # 0.2 seconds
)
def retry_on_db_error(func):
"""Decorates the given function so that it retries on DB deadlock errors.
:param func: Function to decorate.
:return: Decorated function.
"""
@functools.wraps(func)
@tenacity.retry(
reraise=True,
retry=tenacity.retry_if_exception_type(_RETRY_ERRORS),
stop=tenacity.stop_after_attempt(10),
wait=tenacity.wait_incrementing(start=0, increment=0.1, max=2)
)
def decorate(*args, **kw):
try:
return func(*args, **kw)
except db_exc.DBDeadlock:
LOG.exception(
"DB error detected, operation will be retried: %s", func)
raise
return decorate
class F5vCMPBackend(object):
def __init__(self, cfg):
self.conf = cfg
self.mgmt = None
self.vcmp_host = parse.urlparse(self.conf.F5_VCMP.host)
self.vcmp_guest = self.conf.F5_VCMP.guest or self.conf.host
self.interface_link = self.conf.F5_VCMP.interface
self._login()
def _login(self):
if not self.vcmp_host.username or not self.vcmp_host.password:
LOG.error("Need to specifcy valid F5_VCMP.host configuration: "
"http(s)://<username>:<password>@hostname")
sys.exit(1)
self.mgmt = ManagementRoot(self.vcmp_host.hostname,
self.vcmp_host.username,
self.vcmp_host.password,
token=True)
REQUEST_TIME_SYNC_VLAN = Summary('sync_vcmp_vlans_seconds',
'Time spent processing vcmp vlans')
@retry(retry=retry_if_exception_type((Timeout, ConnectionError)),
wait=wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=stop_after_attempt(RETRY_ATTEMPTS))
@REQUEST_TIME_SYNC_VLAN.time()
def sync_vlan(self, vlans):
v = self.mgmt.tm.net.vlans
orig_vlans = {
constants.PREFIX_VLAN + name: val
for name, val in vlans.items()
}
for old_vlan in v.get_collection():
# Not managed by agent
if not old_vlan.name.startswith(constants.PREFIX_VLAN):
pass
# Update
elif old_vlan.name in orig_vlans:
vlan = orig_vlans.pop(old_vlan.name)
if old_vlan.tag != vlan['tag'] or old_vlan.mtu != vlan['mtu']:
old_vlan.tag = vlan['tag']
old_vlan.mtu = vlan['mtu']
old_vlan.hardwareSynccokie = 'enabled'
old_vlan.update()
if not old_vlan.interfaces_s.interfaces.exists(
name=self.interface_link):
old_vlan.interfaces_s.interfaces.create(
tagged=True,
name=self.interface_link,
tagMode='service')
# orphaned, try to delete but could be used by another vcmp guest
else:
try:
old_vlan.delete()
except iControlUnexpectedHTTPError:
pass
# New ones
for name, vlan in orig_vlans.items():
new_vlan = v.vlan.create(name=constants.PREFIX_VLAN + name,
partition='Common',
tag=vlan['tag'],
mtu=vlan['mtu'],
hardwareSynccookie='enabled')
new_vlan.interfaces_s.interfaces.create(tagged=True,
name=self.interface_link,
tagMode='service')
# Assign VLANs to the correct guest, but keep mgmt networks
try:
guest = self.mgmt.tm.vcmp.guests.guest.load(name=self.vcmp_guest)
new_vlans = map(u'/Common/net-{0}'.format, vlans.keys())
new_vlans.extend([
six.text_type(mgmt_vlan) for mgmt_vlan in guest.vlans
if not mgmt_vlan.startswith('/Common/' + constants.PREFIX_VLAN)
])
if collections.Counter(new_vlans) != collections.Counter(
guest.vlans):
guest.vlans = new_vlans
guest.update()
except iControlUnexpectedHTTPError as e:
LOG.error("Failure configuring guest VLAN", e)
class ControllerWorker(base_taskflow.BaseTaskFlowEngine):
def __init__(self):
self._amphora_flows = amphora_flows.AmphoraFlows()
self._health_monitor_flows = health_monitor_flows.HealthMonitorFlows()
self._lb_flows = load_balancer_flows.LoadBalancerFlows()
self._listener_flows = listener_flows.ListenerFlows()
self._member_flows = member_flows.MemberFlows()
self._pool_flows = pool_flows.PoolFlows()
self._l7policy_flows = l7policy_flows.L7PolicyFlows()
self._l7rule_flows = l7rule_flows.L7RuleFlows()
self._amphora_repo = repo.AmphoraRepository()
self._amphora_health_repo = repo.AmphoraHealthRepository()
self._health_mon_repo = repo.HealthMonitorRepository()
self._lb_repo = repo.LoadBalancerRepository()
self._listener_repo = repo.ListenerRepository()
self._member_repo = repo.MemberRepository()
self._pool_repo = repo.PoolRepository()
self._l7policy_repo = repo.L7PolicyRepository()
self._l7rule_repo = repo.L7RuleRepository()
self._flavor_repo = repo.FlavorRepository()
super(ControllerWorker, self).__init__()
@tenacity.retry(
retry=(tenacity.retry_if_result(_is_provisioning_status_pending_update)
| tenacity.retry_if_exception_type()),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def _get_db_obj_until_pending_update(self, repo, id):
return repo.get(db_apis.get_session(), id=id)
def create_amphora(self):
"""Creates an Amphora.
This is used to create spare amphora.
:returns: amphora_id
"""
try:
create_amp_tf = self._taskflow_load(
self._amphora_flows.get_create_amphora_flow(),
store={
constants.BUILD_TYPE_PRIORITY:
constants.LB_CREATE_SPARES_POOL_PRIORITY,
constants.FLAVOR: None
})
with tf_logging.DynamicLoggingListener(create_amp_tf, log=LOG):
create_amp_tf.run()
return create_amp_tf.storage.fetch('amphora')
except Exception as e:
LOG.error('Failed to create an amphora due to: {}'.format(str(e)))
def delete_amphora(self, amphora_id):
"""Deletes an existing Amphora.
:param amphora_id: ID of the amphora to delete
:returns: None
:raises AmphoraNotFound: The referenced Amphora was not found
"""
amphora = self._amphora_repo.get(db_apis.get_session(), id=amphora_id)
delete_amp_tf = self._taskflow_load(
self._amphora_flows.get_delete_amphora_flow(),
store={constants.AMPHORA: amphora})
with tf_logging.DynamicLoggingListener(delete_amp_tf, log=LOG):
delete_amp_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_health_monitor(self, health_monitor_id):
"""Creates a health monitor.
:param pool_id: ID of the pool to create a health monitor on
:returns: None
:raises NoResultFound: Unable to find the object
"""
health_mon = self._health_mon_repo.get(db_apis.get_session(),
id=health_monitor_id)
if not health_mon:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'health_monitor', health_monitor_id)
raise db_exceptions.NoResultFound
pool = health_mon.pool
listeners = pool.listeners
pool.health_monitor = health_mon
load_balancer = pool.load_balancer
create_hm_tf = self._taskflow_load(
self._health_monitor_flows.get_create_health_monitor_flow(),
store={
constants.HEALTH_MON: health_mon,
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(create_hm_tf, log=LOG):
create_hm_tf.run()
def delete_health_monitor(self, health_monitor_id):
"""Deletes a health monitor.
:param pool_id: ID of the pool to delete its health monitor
:returns: None
:raises HMNotFound: The referenced health monitor was not found
"""
health_mon = self._health_mon_repo.get(db_apis.get_session(),
id=health_monitor_id)
pool = health_mon.pool
listeners = pool.listeners
load_balancer = pool.load_balancer
delete_hm_tf = self._taskflow_load(
self._health_monitor_flows.get_delete_health_monitor_flow(),
store={
constants.HEALTH_MON: health_mon,
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(delete_hm_tf, log=LOG):
delete_hm_tf.run()
def update_health_monitor(self, health_monitor_id, health_monitor_updates):
"""Updates a health monitor.
:param pool_id: ID of the pool to have it's health monitor updated
:param health_monitor_updates: Dict containing updated health monitor
:returns: None
:raises HMNotFound: The referenced health monitor was not found
"""
health_mon = None
try:
health_mon = self._get_db_obj_until_pending_update(
self._health_mon_repo, health_monitor_id)
except tenacity.RetryError as e:
LOG.warning(
'Health monitor did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
health_mon = e.last_attempt.result()
pool = health_mon.pool
listeners = pool.listeners
pool.health_monitor = health_mon
load_balancer = pool.load_balancer
update_hm_tf = self._taskflow_load(
self._health_monitor_flows.get_update_health_monitor_flow(),
store={
constants.HEALTH_MON: health_mon,
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.UPDATE_DICT: health_monitor_updates
})
with tf_logging.DynamicLoggingListener(update_hm_tf, log=LOG):
update_hm_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_listener(self, listener_id):
"""Creates a listener.
:param listener_id: ID of the listener to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
listener = self._listener_repo.get(db_apis.get_session(),
id=listener_id)
if not listener:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'listener', listener_id)
raise db_exceptions.NoResultFound
load_balancer = listener.load_balancer
create_listener_tf = self._taskflow_load(
self._listener_flows.get_create_listener_flow(),
store={
constants.LOADBALANCER: load_balancer,
constants.LISTENERS: [listener]
})
with tf_logging.DynamicLoggingListener(create_listener_tf, log=LOG):
create_listener_tf.run()
def delete_listener(self, listener_id):
"""Deletes a listener.
:param listener_id: ID of the listener to delete
:returns: None
:raises ListenerNotFound: The referenced listener was not found
"""
listener = self._listener_repo.get(db_apis.get_session(),
id=listener_id)
load_balancer = listener.load_balancer
delete_listener_tf = self._taskflow_load(
self._listener_flows.get_delete_listener_flow(),
store={
constants.LOADBALANCER: load_balancer,
constants.LISTENER: listener
})
with tf_logging.DynamicLoggingListener(delete_listener_tf, log=LOG):
delete_listener_tf.run()
def update_listener(self, listener_id, listener_updates):
"""Updates a listener.
:param listener_id: ID of the listener to update
:param listener_updates: Dict containing updated listener attributes
:returns: None
:raises ListenerNotFound: The referenced listener was not found
"""
listener = None
try:
listener = self._get_db_obj_until_pending_update(
self._listener_repo, listener_id)
except tenacity.RetryError as e:
LOG.warning(
'Listener did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
listener = e.last_attempt.result()
load_balancer = listener.load_balancer
update_listener_tf = self._taskflow_load(
self._listener_flows.get_update_listener_flow(),
store={
constants.LISTENER: listener,
constants.LOADBALANCER: load_balancer,
constants.UPDATE_DICT: listener_updates,
constants.LISTENERS: [listener]
})
with tf_logging.DynamicLoggingListener(update_listener_tf, log=LOG):
update_listener_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_load_balancer(self, load_balancer_id, flavor=None):
"""Creates a load balancer by allocating Amphorae.
First tries to allocate an existing Amphora in READY state.
If none are available it will attempt to build one specifically
for this load balancer.
:param load_balancer_id: ID of the load balancer to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
lb = self._lb_repo.get(db_apis.get_session(), id=load_balancer_id)
if not lb:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'load_balancer', load_balancer_id)
raise db_exceptions.NoResultFound
# TODO(johnsom) convert this to octavia_lib constant flavor
# once octavia is transitioned to use octavia_lib
store = {
constants.LOADBALANCER_ID: load_balancer_id,
constants.BUILD_TYPE_PRIORITY: constants.LB_CREATE_NORMAL_PRIORITY,
constants.FLAVOR: flavor
}
topology = lb.topology
store[constants.UPDATE_DICT] = {constants.TOPOLOGY: topology}
create_lb_flow = self._lb_flows.get_create_load_balancer_flow(
topology=topology, listeners=lb.listeners)
create_lb_tf = self._taskflow_load(create_lb_flow, store=store)
with tf_logging.DynamicLoggingListener(create_lb_tf, log=LOG):
create_lb_tf.run()
def delete_load_balancer(self, load_balancer_id, cascade=False):
"""Deletes a load balancer by de-allocating Amphorae.
:param load_balancer_id: ID of the load balancer to delete
:returns: None
:raises LBNotFound: The referenced load balancer was not found
"""
lb = self._lb_repo.get(db_apis.get_session(), id=load_balancer_id)
if cascade:
(flow,
store) = self._lb_flows.get_cascade_delete_load_balancer_flow(lb)
else:
(flow, store) = self._lb_flows.get_delete_load_balancer_flow(lb)
store.update({
constants.LOADBALANCER: lb,
constants.SERVER_GROUP_ID: lb.server_group_id
})
delete_lb_tf = self._taskflow_load(flow, store=store)
with tf_logging.DynamicLoggingListener(delete_lb_tf, log=LOG):
delete_lb_tf.run()
def update_load_balancer(self, load_balancer_id, load_balancer_updates):
"""Updates a load balancer.
:param load_balancer_id: ID of the load balancer to update
:param load_balancer_updates: Dict containing updated load balancer
:returns: None
:raises LBNotFound: The referenced load balancer was not found
"""
lb = None
try:
lb = self._get_db_obj_until_pending_update(self._lb_repo,
load_balancer_id)
except tenacity.RetryError as e:
LOG.warning(
'Load balancer did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
lb = e.last_attempt.result()
listeners, _ = self._listener_repo.get_all(
db_apis.get_session(), load_balancer_id=load_balancer_id)
update_lb_tf = self._taskflow_load(
self._lb_flows.get_update_load_balancer_flow(),
store={
constants.LOADBALANCER: lb,
constants.LISTENERS: listeners,
constants.UPDATE_DICT: load_balancer_updates
})
with tf_logging.DynamicLoggingListener(update_lb_tf, log=LOG):
update_lb_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_member(self, member_id):
"""Creates a pool member.
:param member_id: ID of the member to create
:returns: None
:raises NoSuitablePool: Unable to find the node pool
"""
member = self._member_repo.get(db_apis.get_session(), id=member_id)
if not member:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'member', member_id)
raise db_exceptions.NoResultFound
pool = member.pool
listeners = pool.listeners
load_balancer = pool.load_balancer
create_member_tf = self._taskflow_load(
self._member_flows.get_create_member_flow(),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.POOL: pool
})
with tf_logging.DynamicLoggingListener(create_member_tf, log=LOG):
create_member_tf.run()
def delete_member(self, member_id):
"""Deletes a pool member.
:param member_id: ID of the member to delete
:returns: None
:raises MemberNotFound: The referenced member was not found
"""
member = self._member_repo.get(db_apis.get_session(), id=member_id)
pool = member.pool
listeners = pool.listeners
load_balancer = pool.load_balancer
delete_member_tf = self._taskflow_load(
self._member_flows.get_delete_member_flow(),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.POOL: pool
})
with tf_logging.DynamicLoggingListener(delete_member_tf, log=LOG):
delete_member_tf.run()
def batch_update_members(self, old_member_ids, new_member_ids,
updated_members):
old_members = [
self._member_repo.get(db_apis.get_session(), id=mid)
for mid in old_member_ids
]
new_members = [
self._member_repo.get(db_apis.get_session(), id=mid)
for mid in new_member_ids
]
updated_members = [(self._member_repo.get(db_apis.get_session(),
id=m.get('id')), m)
for m in updated_members]
if old_members:
pool = old_members[0].pool
elif new_members:
pool = new_members[0].pool
else:
pool = updated_members[0][0].pool
listeners = pool.listeners
load_balancer = pool.load_balancer
batch_update_members_tf = self._taskflow_load(
self._member_flows.get_batch_update_members_flow(
old_members, new_members, updated_members),
store={
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.POOL: pool
})
with tf_logging.DynamicLoggingListener(batch_update_members_tf,
log=LOG):
batch_update_members_tf.run()
def update_member(self, member_id, member_updates):
"""Updates a pool member.
:param member_id: ID of the member to update
:param member_updates: Dict containing updated member attributes
:returns: None
:raises MemberNotFound: The referenced member was not found
"""
member = None
try:
member = self._get_db_obj_until_pending_update(
self._member_repo, member_id)
except tenacity.RetryError as e:
LOG.warning(
'Member did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
member = e.last_attempt.result()
pool = member.pool
listeners = pool.listeners
load_balancer = pool.load_balancer
update_member_tf = self._taskflow_load(
self._member_flows.get_update_member_flow(),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.POOL: pool,
constants.UPDATE_DICT: member_updates
})
with tf_logging.DynamicLoggingListener(update_member_tf, log=LOG):
update_member_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_pool(self, pool_id):
"""Creates a node pool.
:param pool_id: ID of the pool to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
pool = self._pool_repo.get(db_apis.get_session(), id=pool_id)
if not pool:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'pool', pool_id)
raise db_exceptions.NoResultFound
listeners = pool.listeners
load_balancer = pool.load_balancer
create_pool_tf = self._taskflow_load(
self._pool_flows.get_create_pool_flow(),
store={
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(create_pool_tf, log=LOG):
create_pool_tf.run()
def delete_pool(self, pool_id):
"""Deletes a node pool.
:param pool_id: ID of the pool to delete
:returns: None
:raises PoolNotFound: The referenced pool was not found
"""
pool = self._pool_repo.get(db_apis.get_session(), id=pool_id)
load_balancer = pool.load_balancer
listeners = pool.listeners
delete_pool_tf = self._taskflow_load(
self._pool_flows.get_delete_pool_flow(),
store={
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(delete_pool_tf, log=LOG):
delete_pool_tf.run()
def update_pool(self, pool_id, pool_updates):
"""Updates a node pool.
:param pool_id: ID of the pool to update
:param pool_updates: Dict containing updated pool attributes
:returns: None
:raises PoolNotFound: The referenced pool was not found
"""
pool = None
try:
pool = self._get_db_obj_until_pending_update(
self._pool_repo, pool_id)
except tenacity.RetryError as e:
LOG.warning(
'Pool did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
pool = e.last_attempt.result()
listeners = pool.listeners
load_balancer = pool.load_balancer
update_pool_tf = self._taskflow_load(
self._pool_flows.get_update_pool_flow(),
store={
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.UPDATE_DICT: pool_updates
})
with tf_logging.DynamicLoggingListener(update_pool_tf, log=LOG):
update_pool_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_l7policy(self, l7policy_id):
"""Creates an L7 Policy.
:param l7policy_id: ID of the l7policy to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7policy_id)
if not l7policy:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'l7policy', l7policy_id)
raise db_exceptions.NoResultFound
listeners = [l7policy.listener]
load_balancer = l7policy.listener.load_balancer
create_l7policy_tf = self._taskflow_load(
self._l7policy_flows.get_create_l7policy_flow(),
store={
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(create_l7policy_tf, log=LOG):
create_l7policy_tf.run()
def delete_l7policy(self, l7policy_id):
"""Deletes an L7 policy.
:param l7policy_id: ID of the l7policy to delete
:returns: None
:raises L7PolicyNotFound: The referenced l7policy was not found
"""
l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7policy_id)
load_balancer = l7policy.listener.load_balancer
listeners = [l7policy.listener]
delete_l7policy_tf = self._taskflow_load(
self._l7policy_flows.get_delete_l7policy_flow(),
store={
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(delete_l7policy_tf, log=LOG):
delete_l7policy_tf.run()
def update_l7policy(self, l7policy_id, l7policy_updates):
"""Updates an L7 policy.
:param l7policy_id: ID of the l7policy to update
:param l7policy_updates: Dict containing updated l7policy attributes
:returns: None
:raises L7PolicyNotFound: The referenced l7policy was not found
"""
l7policy = None
try:
l7policy = self._get_db_obj_until_pending_update(
self._l7policy_repo, l7policy_id)
except tenacity.RetryError as e:
LOG.warning(
'L7 policy did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
l7policy = e.last_attempt.result()
listeners = [l7policy.listener]
load_balancer = l7policy.listener.load_balancer
update_l7policy_tf = self._taskflow_load(
self._l7policy_flows.get_update_l7policy_flow(),
store={
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.UPDATE_DICT: l7policy_updates
})
with tf_logging.DynamicLoggingListener(update_l7policy_tf, log=LOG):
update_l7policy_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_l7rule(self, l7rule_id):
"""Creates an L7 Rule.
:param l7rule_id: ID of the l7rule to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
l7rule = self._l7rule_repo.get(db_apis.get_session(), id=l7rule_id)
if not l7rule:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'l7rule', l7rule_id)
raise db_exceptions.NoResultFound
l7policy = l7rule.l7policy
listeners = [l7policy.listener]
load_balancer = l7policy.listener.load_balancer
create_l7rule_tf = self._taskflow_load(
self._l7rule_flows.get_create_l7rule_flow(),
store={
constants.L7RULE: l7rule,
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(create_l7rule_tf, log=LOG):
create_l7rule_tf.run()
def delete_l7rule(self, l7rule_id):
"""Deletes an L7 rule.
:param l7rule_id: ID of the l7rule to delete
:returns: None
:raises L7RuleNotFound: The referenced l7rule was not found
"""
l7rule = self._l7rule_repo.get(db_apis.get_session(), id=l7rule_id)
l7policy = l7rule.l7policy
load_balancer = l7policy.listener.load_balancer
listeners = [l7policy.listener]
delete_l7rule_tf = self._taskflow_load(
self._l7rule_flows.get_delete_l7rule_flow(),
store={
constants.L7RULE: l7rule,
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(delete_l7rule_tf, log=LOG):
delete_l7rule_tf.run()
def update_l7rule(self, l7rule_id, l7rule_updates):
"""Updates an L7 rule.
:param l7rule_id: ID of the l7rule to update
:param l7rule_updates: Dict containing updated l7rule attributes
:returns: None
:raises L7RuleNotFound: The referenced l7rule was not found
"""
l7rule = None
try:
l7rule = self._get_db_obj_until_pending_update(
self._l7rule_repo, l7rule_id)
except tenacity.RetryError as e:
LOG.warning(
'L7 rule did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
l7rule = e.last_attempt.result()
l7policy = l7rule.l7policy
listeners = [l7policy.listener]
load_balancer = l7policy.listener.load_balancer
update_l7rule_tf = self._taskflow_load(
self._l7rule_flows.get_update_l7rule_flow(),
store={
constants.L7RULE: l7rule,
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.UPDATE_DICT: l7rule_updates
})
with tf_logging.DynamicLoggingListener(update_l7rule_tf, log=LOG):
update_l7rule_tf.run()
def _perform_amphora_failover(self, amp, priority):
"""Internal method to perform failover operations for an amphora.
:param amp: The amphora to failover
:param priority: The create priority
:returns: None
"""
stored_params = {
constants.FAILED_AMPHORA: amp,
constants.LOADBALANCER_ID: amp.load_balancer_id,
constants.BUILD_TYPE_PRIORITY: priority,
}
if amp.status == constants.DELETED:
LOG.warning(
'Amphora %s is marked DELETED in the database but '
'was submitted for failover. Deleting it from the '
'amphora health table to exclude it from health '
'checks and skipping the failover.', amp.id)
self._amphora_health_repo.delete(db_apis.get_session(),
amphora_id=amp.id)
return
if (CONF.house_keeping.spare_amphora_pool_size
== 0) and (CONF.nova.enable_anti_affinity is False):
LOG.warning("Failing over amphora with no spares pool may "
"cause delays in failover times while a new "
"amphora instance boots.")
# if we run with anti-affinity we need to set the server group
# as well
lb = self._amphora_repo.get_lb_for_amphora(db_apis.get_session(),
amp.id)
if CONF.nova.enable_anti_affinity and lb:
stored_params[constants.SERVER_GROUP_ID] = lb.server_group_id
if lb.flavor_id:
stored_params[constants.FLAVOR] = (
self._flavor_repo.get_flavor_metadata_dict(
db_apis.get_session(), lb.flavor_id))
else:
stored_params[constants.FLAVOR] = {}
failover_amphora_tf = self._taskflow_load(
self._amphora_flows.get_failover_flow(role=amp.role,
load_balancer=lb),
store=stored_params)
with tf_logging.DynamicLoggingListener(failover_amphora_tf, log=LOG):
failover_amphora_tf.run()
def failover_amphora(self, amphora_id):
"""Perform failover operations for an amphora.
:param amphora_id: ID for amphora to failover
:returns: None
:raises AmphoraNotFound: The referenced amphora was not found
"""
try:
amp = self._amphora_repo.get(db_apis.get_session(), id=amphora_id)
if not amp:
LOG.warning(
"Could not fetch Amphora %s from DB, ignoring "
"failover request.", amphora_id)
return
self._perform_amphora_failover(
amp, constants.LB_CREATE_FAILOVER_PRIORITY)
if amp.load_balancer_id:
LOG.info("Mark ACTIVE in DB for load balancer id: %s",
amp.load_balancer_id)
self._lb_repo.update(db_apis.get_session(),
amp.load_balancer_id,
provisioning_status=constants.ACTIVE)
except Exception as e:
try:
self._lb_repo.update(db_apis.get_session(),
amp.load_balancer_id,
provisioning_status=constants.ERROR)
except Exception:
LOG.error("Unable to revert LB status to ERROR.")
with excutils.save_and_reraise_exception():
LOG.error("Failover exception: %s", e)
def failover_loadbalancer(self, load_balancer_id):
"""Perform failover operations for a load balancer.
:param load_balancer_id: ID for load balancer to failover
:returns: None
:raises LBNotFound: The referenced load balancer was not found
"""
# Note: This expects that the load balancer is already in
# provisioning_status=PENDING_UPDATE state
try:
lb = self._lb_repo.get(db_apis.get_session(), id=load_balancer_id)
# Exclude amphora already deleted
amps = [a for a in lb.amphorae if a.status != constants.DELETED]
for amp in amps:
# failover amphora in backup role
# Note: this amp may not currently be the backup
# TODO(johnsom) Change this to query the amp state
# once the amp API supports it.
if amp.role == constants.ROLE_BACKUP:
self._perform_amphora_failover(
amp, constants.LB_CREATE_ADMIN_FAILOVER_PRIORITY)
for amp in amps:
# failover everyhting else
if amp.role != constants.ROLE_BACKUP:
self._perform_amphora_failover(
amp, constants.LB_CREATE_ADMIN_FAILOVER_PRIORITY)
self._lb_repo.update(db_apis.get_session(),
load_balancer_id,
provisioning_status=constants.ACTIVE)
except Exception as e:
with excutils.save_and_reraise_exception():
LOG.error("LB %(lbid)s failover exception: %(exc)s", {
'lbid': load_balancer_id,
'exc': e
})
self._lb_repo.update(db_apis.get_session(),
load_balancer_id,
provisioning_status=constants.ERROR)
def amphora_cert_rotation(self, amphora_id):
"""Perform cert rotation for an amphora.
:param amphora_id: ID for amphora to rotate
:returns: None
:raises AmphoraNotFound: The referenced amphora was not found
"""
amp = self._amphora_repo.get(db_apis.get_session(), id=amphora_id)
LOG.info("Start amphora cert rotation, amphora's id is: %s", amp.id)
certrotation_amphora_tf = self._taskflow_load(
self._amphora_flows.cert_rotate_amphora_flow(),
store={
constants.AMPHORA: amp,
constants.AMPHORA_ID: amp.id
})
with tf_logging.DynamicLoggingListener(certrotation_amphora_tf,
log=LOG):
certrotation_amphora_tf.run()
def update_amphora_agent_config(self, amphora_id):
"""Update the amphora agent configuration.
Note: This will update the amphora agent configuration file and
update the running configuration for mutatable configuration
items.
:param amphora_id: ID of the amphora to update.
:returns: None
"""
LOG.info(
"Start amphora agent configuration update, amphora's id "
"is: %s", amphora_id)
amp = self._amphora_repo.get(db_apis.get_session(), id=amphora_id)
lb = self._amphora_repo.get_lb_for_amphora(db_apis.get_session(),
amphora_id)
flavor = {}
if lb.flavor_id:
flavor = self._flavor_repo.get_flavor_metadata_dict(
db_apis.get_session(), lb.flavor_id)
update_amphora_tf = self._taskflow_load(
self._amphora_flows.update_amphora_config_flow(),
store={
constants.AMPHORA: amp,
constants.FLAVOR: flavor
})
with tf_logging.DynamicLoggingListener(update_amphora_tf, log=LOG):
update_amphora_tf.run()
hasattr(ex, 'output')
return ex
def _get_workflow_execution_resource(wf_ex):
_load_deferred_output_field(wf_ex)
return resources.Execution.from_db_model(wf_ex)
# Use retries to prevent possible failures.
@tenacity.retry(
retry=tenacity.retry_if_exception_type(sa.exc.OperationalError),
stop=tenacity.stop_after_attempt(10),
wait=tenacity.wait_incrementing(increment=100) # 0.1 seconds
)
def _get_workflow_execution(id, must_exist=True):
with db_api.transaction():
if must_exist:
wf_ex = db_api.get_workflow_execution(id)
else:
wf_ex = db_api.load_workflow_execution(id)
return _load_deferred_output_field(wf_ex)
# TODO(rakhmerov): Make sure to make all needed renaming on public API.
class ExecutionsController(rest.RestController):
class StatusManager(object):
def __init__(self):
# On Stein we don't have the get_socket option yet. We can't just pass None though, because while
# DriverLibrary.__init__() doesn't have a problem with it due to taking **kwargs, it passes **kwargs to its
# super class, which is object, which does not take any arguments...
try:
self._octavia_driver_lib = driver_lib.DriverLibrary(
status_socket=CONF.driver_agent.status_socket_path,
stats_socket=CONF.driver_agent.stats_socket_path,
get_socket=CONF.driver_agent.get_socket_path,
)
except cfg.NoSuchOptError as e:
if e.opt_name != 'get_socket_path':
raise e
self._octavia_driver_lib = driver_lib.DriverLibrary(
status_socket=CONF.driver_agent.status_socket_path,
stats_socket=CONF.driver_agent.stats_socket_path,
)
def status_dict(self, obj, cascade=False):
""" Returns status dict for octavia object,
deleted if status was PENDING_DELETE, else active.
Ignores error status.
:param obj: octavia object
"""
# Cascade Delete: force deleted
if cascade:
return [self._status_obj(obj, lib_consts.DELETED)]
# Don't update errored objects
if obj.provisioning_status == lib_consts.ERROR:
return []
# Don't update already active objects:
if obj.provisioning_status == lib_consts.ACTIVE:
return []
if utils.pending_delete(obj):
return [self._status_obj(obj, lib_consts.DELETED)]
else:
return [self._status_obj(obj, lib_consts.ACTIVE)]
def update_status(self, loadbalancers):
"""For each load balancer set the provisioning_status of it and all its children to ACTIVE if it is
PENDING_UPDATE or PENDING_CREATE, or to DELETED if it is PENDING_DELETE. Ignore ERROR status.
:param loadbalancers: octavia loadbalancers list
"""
status = defaultdict(list)
# Load Balancers
for loadbalancer in loadbalancers:
cascade = False
status[lib_consts.LOADBALANCERS].extend(
self.status_dict(loadbalancer))
# Cascade?
if loadbalancer.provisioning_status == lib_consts.PENDING_DELETE:
cascade = True
# Listeners
for listener in loadbalancer.listeners:
status[lib_consts.LISTENERS].extend(
self.status_dict(listener, cascade))
# L7Policies
for l7policy in listener.l7policies:
status[lib_consts.L7POLICIES].extend(
self.status_dict(l7policy, cascade))
# L7Rules
for l7rule in l7policy.l7rules:
status[lib_consts.L7RULES].extend(
self.status_dict(l7rule, cascade))
# Pools
for pool in loadbalancer.pools:
status[lib_consts.POOLS].extend(self.status_dict(
pool, cascade))
# Members
for member in pool.members:
status[lib_consts.MEMBERS].extend(
self.status_dict(member, cascade))
# Health Monitors
if pool.health_monitor:
status[lib_consts.HEALTHMONITORS].extend(
self.status_dict(pool.health_monitor, cascade))
self._update_status_to_octavia(status)
@staticmethod
def _status_obj(obj, provisioning_status):
"""Return status object for statup update api consumption
:param obj: octavia object containing ID
:param provisioning_status: provisioning status
:return: status object
"""
status_obj = {
lib_consts.ID: obj.id,
lib_consts.PROVISIONING_STATUS: provisioning_status
}
if isinstance(obj, data_models.LoadBalancer
) and provisioning_status == lib_consts.ACTIVE:
status_obj[lib_consts.OPERATING_STATUS] = lib_consts.ONLINE
if isinstance(obj, data_models.HealthMonitor
) and provisioning_status == lib_consts.ACTIVE:
status_obj[lib_consts.OPERATING_STATUS] = lib_consts.ONLINE
if isinstance(obj, data_models.L7Policy
) and provisioning_status == lib_consts.ACTIVE:
status_obj[lib_consts.OPERATING_STATUS] = lib_consts.ONLINE
if isinstance(obj, data_models.L7Rule
) and provisioning_status == lib_consts.ACTIVE:
status_obj[lib_consts.OPERATING_STATUS] = lib_consts.ONLINE
return status_obj
@tenacity.retry(retry=tenacity.retry_if_exception_type(),
wait=tenacity.wait_incrementing(start=1, increment=10),
stop=tenacity.stop_after_attempt(max_attempt_number=3))
def _update_status_to_octavia(self, status):
try:
self._octavia_driver_lib.update_loadbalancer_status(status)
except driver_exceptions.UpdateStatusError as e:
msg = ("Error while updating status to octavia: "
"%s") % e.fault_string
LOG.error(msg)
raise driver_exceptions.UpdateStatusError(msg)
finally:
# Update amphora to DELETED if LB is DELETED, so that they get cleaned up together
amp_repo = AmphoraRepository()
session = db_apis.get_session()
lbs = status.get('loadbalancers') or []
for lb in lbs:
if lb['provisioning_status'] == lib_consts.DELETED:
amp_repo.update(session,
lb['id'],
status=lib_consts.DELETED,
force_provisioning_status=True)
@staticmethod
def get_obj_type(obj):
if isinstance(obj, data_models.LoadBalancer):
return lib_consts.LOADBALANCERS
# Listener
if isinstance(obj, data_models.Listener):
return lib_consts.LISTENERS
# Pool
if isinstance(obj, data_models.Pool):
return lib_consts.POOLS
# Member
if isinstance(obj, data_models.Member):
return lib_consts.MEMBERS
# Health Monitor
if isinstance(obj, data_models.HealthMonitor):
return lib_consts.HEALTHMONITORS
# L7Policy
if isinstance(obj, data_models.L7Policy):
return lib_consts.L7POLICIES
# L7Rule
if isinstance(obj, data_models.L7Rule):
return lib_consts.L7RULES
def set_error(self, obj):
"""Set provisioning_state of octavia object to ERROR
:param obj: octavia object like loadbalancer, pools, etc.
"""
obj.provisioning_status = lib_consts.ERROR
self._update_status_to_octavia({
self.get_obj_type(obj): [self._status_obj(obj, lib_consts.ERROR)]
})
def test_incrementing_sleep(self):
r = Retrying(wait=tenacity.wait_incrementing(start=500, increment=100))
self.assertEqual(500, r.wait(1, 6546))
self.assertEqual(600, r.wait(2, 6546))
self.assertEqual(700, r.wait(3, 6546))
def main(msg: func.QueueMessage) -> None:
"""
Main function, triggered by Azure Storage Queue, parsed queue content and call ingest_to_ADX
:param msg: func.QueueMessage
:return: None
"""
logging.info('Python queue trigger function processed a queue item: %s',
msg.get_body().decode('utf-8'))
# Set the logging level for all azure-* libraries
logging.getLogger('azure').setLevel(logging.WARNING)
modification_time = None
get_config_values()
#get message content
#queue from checkpoint function
content_json = json.loads(msg.get_body().decode('utf-8'))
file_url = content_json['data']['url']
logging.info(f"{LOG_MESSAGE_HEADER} file_url:{file_url}")
msg_time = p.parse(content_json['eventTime'])
try:
#modification time is the time databricks processed finished
modification_time = p.parse(content_json['modificationTime'])
except Exception:
modification_time = msg_time
#get file size from storage queue directly
file_size = content_json['data']['contentLength']
# Sharing: New logic based on new schema
target_database, target_table = get_target_info(file_url)
logging.info(f"{LOG_MESSAGE_HEADER} target_database:{target_database}, target_table:{target_table}")
#set up if log table connection when duplicate check enable
if IS_DUPLICATE_CHECK:
#get log table name
get_table_connection()
log_table_name = get_logtable_name()
check_create_table(log_table_name)
#get table connection
get_table_connection()
processed_Flag, log_table_key = check_file_process_log(log_table_name, file_url, target_database)
else:
processed_Flag = False
#use regexp to check file
regexp = re.compile(EVENT_SUBJECT_FILTER_REGEX)
if regexp.search(file_url): # Check if file path match criteria
if processed_Flag is False:
#initailize kusto client
initialize_kusto_client()
# Retry max RETRY_MAX_ATTEMPT_NUMBER times
# Wait starting from random (0 to 3) secs. increment util max wait time
retryer = Retrying(stop=stop_after_attempt(RETRY_MAX_ATTEMPT_NUMBER), \
wait=wait_random(0, 3)+ wait_incrementing(start=1, \
increment=RETRY_WAIT_INCREMENT_VALUE, \
max=RETRY_MAX_WAIT_TIME), \
before_sleep=before_sleep_log(logging, logging.WARNING), reraise=True)
ingest_source_id = retryer(ingest_to_adx, file_url, file_size, target_database, \
target_table, msg_time, modification_time)
logging.info(f"ingest_source_id:{ingest_source_id}")
if IS_DUPLICATE_CHECK:
# Add Log in to logtable
insert_log_table(log_table_name, target_database, log_table_key, msg_time, \
modification_time, file_url, ingest_source_id)
else:
logging.warning(f"{DUPLICATE_EVENT_NAME} DUPLICATE DATA Subject : {file_url} \
has been processed already. Skip process.")
else:
logging.warning(
"%s Subject : %s does not match regular express %s. Skip process. ", \
LOG_MESSAGE_HEADER, file_url, EVENT_SUBJECT_FILTER_REGEX)
class A10ControllerWorker(base_taskflow.BaseTaskFlowEngine):
def __init__(self):
self._lb_repo = repo.LoadBalancerRepository()
self._listener_repo = repo.ListenerRepository()
self._pool_repo = repo.PoolRepository()
self._member_repo = a10repo.MemberRepository()
self._health_mon_repo = repo.HealthMonitorRepository()
self._l7policy_repo = repo.L7PolicyRepository()
self._l7rule_repo = repo.L7RuleRepository()
self._lb_flows = a10_load_balancer_flows.LoadBalancerFlows()
self._listener_flows = a10_listener_flows.ListenerFlows()
self._pool_flows = a10_pool_flows.PoolFlows()
self._member_flows = a10_member_flows.MemberFlows()
self._health_monitor_flows = a10_health_monitor_flows.HealthMonitorFlows(
)
self._l7policy_flows = a10_l7policy_flows.L7PolicyFlows()
self._l7rule_flows = a10_l7rule_flows.L7RuleFlows()
self._vthunder_flows = vthunder_flows.VThunderFlows()
self._vthunder_repo = a10repo.VThunderRepository()
self._exclude_result_logging_tasks = ()
super(A10ControllerWorker, self).__init__()
def create_amphora(self):
"""Creates an Amphora.
This is used to create spare amphora.
:returns: amphora_id
"""
create_vthunder_tf = self._taskflow_load(
self._vthunder_flows.get_create_vthunder_flow(),
store={
constants.BUILD_TYPE_PRIORITY:
constants.LB_CREATE_SPARES_POOL_PRIORITY
})
with tf_logging.DynamicLoggingListener(create_vthunder_tf, log=LOG):
create_vthunder_tf.run()
return create_vthunder_tf.storage.fetch('amphora')
def create_health_monitor(self, health_monitor_id):
"""Creates a health monitor.
:param pool_id: ID of the pool to create a health monitor on
:returns: None
:raises NoResultFound: Unable to find the object
"""
health_mon = self._health_mon_repo.get(db_apis.get_session(),
id=health_monitor_id)
if not health_mon:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'health_monitor', health_monitor_id)
raise db_exceptions.NoResultFound
pool = health_mon.pool
listeners = pool.listeners
pool.health_monitor = health_mon
load_balancer = pool.load_balancer
create_hm_tf = self._taskflow_load(
self._health_monitor_flows.get_create_health_monitor_flow(),
store={
constants.HEALTH_MON: health_mon,
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
a10constants.WRITE_MEM_SHARED_PART: True
})
with tf_logging.DynamicLoggingListener(create_hm_tf, log=LOG):
create_hm_tf.run()
def delete_health_monitor(self, health_monitor_id):
"""Deletes a health monitor.
:param pool_id: ID of the pool to delete its health monitor
:returns: None
:raises HMNotFound: The referenced health monitor was not found
"""
health_mon = self._health_mon_repo.get(db_apis.get_session(),
id=health_monitor_id)
pool = health_mon.pool
listeners = pool.listeners
load_balancer = pool.load_balancer
delete_hm_tf = self._taskflow_load(
self._health_monitor_flows.get_delete_health_monitor_flow(),
store={
constants.HEALTH_MON: health_mon,
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
a10constants.WRITE_MEM_SHARED_PART: True
})
with tf_logging.DynamicLoggingListener(delete_hm_tf, log=LOG):
delete_hm_tf.run()
def update_health_monitor(self, health_monitor_id, health_monitor_updates):
"""Updates a health monitor.
:param pool_id: ID of the pool to have it's health monitor updated
:param health_monitor_updates: Dict containing updated health monitor
:returns: None
:raises HMNotFound: The referenced health monitor was not found
"""
health_mon = None
try:
health_mon = self._get_db_obj_until_pending_update(
self._health_mon_repo, health_monitor_id)
except tenacity.RetryError as e:
LOG.warning(
'Health monitor did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
health_mon = e.last_attempt.result()
pool = health_mon.pool
listeners = pool.listeners
pool.health_monitor = health_mon
load_balancer = pool.load_balancer
update_hm_tf = self._taskflow_load(
self._health_monitor_flows.get_update_health_monitor_flow(),
store={
constants.HEALTH_MON: health_mon,
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.UPDATE_DICT: health_monitor_updates,
a10constants.WRITE_MEM_SHARED_PART: True
})
with tf_logging.DynamicLoggingListener(update_hm_tf, log=LOG):
update_hm_tf.run()
def create_listener(self, listener_id):
"""Function to create listener for A10 provider"""
listener = self._listener_repo.get(db_apis.get_session(),
id=listener_id)
if not listener:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'listener', listener_id)
raise db_exceptions.NoResultFound
load_balancer = listener.load_balancer
parent_project_list = utils.get_parent_project_list()
listener_parent_proj = utils.get_parent_project(listener.project_id)
if (listener.project_id in parent_project_list
or (listener_parent_proj
and listener_parent_proj in parent_project_list)
or listener.project_id in CONF.hardware_thunder.devices):
create_listener_tf = self._taskflow_load(
self._listener_flows.get_rack_vthunder_create_listener_flow(
listener.project_id),
store={
constants.LOADBALANCER: load_balancer,
constants.LISTENER: listener
})
else:
create_listener_tf = self._taskflow_load(
self._listener_flows.get_create_listener_flow(),
store={
constants.LOADBALANCER: load_balancer,
constants.LISTENER: listener
})
with tf_logging.DynamicLoggingListener(create_listener_tf, log=LOG):
create_listener_tf.run()
def delete_listener(self, listener_id):
"""Function to delete a listener for A10 provider"""
listener = self._listener_repo.get(db_apis.get_session(),
id=listener_id)
load_balancer = listener.load_balancer
if listener.project_id in CONF.hardware_thunder.devices:
delete_listener_tf = self._taskflow_load(
self._listener_flows.get_delete_rack_listener_flow(),
store={
constants.LOADBALANCER: load_balancer,
constants.LISTENER: listener
})
else:
delete_listener_tf = self._taskflow_load(
self._listener_flows.get_delete_listener_flow(),
store={
constants.LOADBALANCER: load_balancer,
constants.LISTENER: listener
})
with tf_logging.DynamicLoggingListener(delete_listener_tf, log=LOG):
delete_listener_tf.run()
def update_listener(self, listener_id, listener_updates):
"""Function to Update a listener for A10 provider"""
listener = None
try:
listener = self._get_db_obj_until_pending_update(
self._listener_repo, listener_id)
except tenacity.RetryError as e:
LOG.warning(
'Listener did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
listener = e.last_attempt.result()
load_balancer = listener.load_balancer
update_listener_tf = self._taskflow_load(
self._listener_flows.get_update_listener_flow(),
store={
constants.LISTENER: listener,
constants.LOADBALANCER: load_balancer,
constants.UPDATE_DICT: listener_updates
})
with tf_logging.DynamicLoggingListener(update_listener_tf, log=LOG):
update_listener_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_load_balancer(self, load_balancer_id, flavor=None):
"""Function to create load balancer for A10 provider"""
lb = self._lb_repo.get(db_apis.get_session(), id=load_balancer_id)
if not lb:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'load_balancer', load_balancer_id)
raise db_exceptions.NoResultFound
store = {
constants.LOADBALANCER_ID: load_balancer_id,
constants.VIP: lb.vip,
constants.BUILD_TYPE_PRIORITY: constants.LB_CREATE_NORMAL_PRIORITY,
constants.FLAVOR: flavor
}
topology = CONF.a10_controller_worker.loadbalancer_topology
store[constants.UPDATE_DICT] = {constants.TOPOLOGY: topology}
if lb.project_id in CONF.hardware_thunder.devices:
create_lb_flow = self._lb_flows.get_create_rack_vthunder_load_balancer_flow(
vthunder_conf=CONF.hardware_thunder.devices[lb.project_id],
topology=topology,
listeners=lb.listeners)
create_lb_tf = self._taskflow_load(create_lb_flow, store=store)
else:
create_lb_flow = self._lb_flows.get_create_load_balancer_flow(
topology=topology, listeners=lb.listeners)
create_lb_tf = self._taskflow_load(create_lb_flow, store=store)
with tf_logging.DynamicLoggingListener(
create_lb_tf,
log=LOG,
hide_inputs_outputs_of=self._exclude_result_logging_tasks):
create_lb_tf.run()
def delete_load_balancer(self, load_balancer_id, cascade=False):
"""Function to delete load balancer for A10 provider"""
lb = self._lb_repo.get(db_apis.get_session(), id=load_balancer_id)
vthunder = self._vthunder_repo.get_vthunder_from_lb(
db_apis.get_session(), load_balancer_id)
deleteCompute = False
if vthunder:
deleteCompute = self._vthunder_repo.get_delete_compute_flag(
db_apis.get_session(), vthunder.compute_id)
if cascade:
(flow, store) = self._lb_flows.get_delete_load_balancer_flow(
lb, deleteCompute, True)
else:
(flow, store) = self._lb_flows.get_delete_load_balancer_flow(
lb, deleteCompute, False)
store.update({
constants.LOADBALANCER: lb,
constants.VIP: lb.vip,
constants.SERVER_GROUP_ID: lb.server_group_id
})
delete_lb_tf = self._taskflow_load(flow, store=store)
with tf_logging.DynamicLoggingListener(delete_lb_tf, log=LOG):
delete_lb_tf.run()
def update_load_balancer(self, load_balancer_id, load_balancer_updates):
"""Function to update load balancer for A10 provider"""
lb = None
try:
lb = self._get_db_obj_until_pending_update(self._lb_repo,
load_balancer_id)
except tenacity.RetryError as e:
LOG.warning(
'Load balancer did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
lb = e.last_attempt.result()
listeners, _ = self._listener_repo.get_all(
db_apis.get_session(), load_balancer_id=load_balancer_id)
update_lb_tf = self._taskflow_load(
self._lb_flows.get_update_load_balancer_flow(),
store={
constants.LOADBALANCER: lb,
constants.VIP: lb.vip,
constants.LISTENERS: listeners,
constants.UPDATE_DICT: load_balancer_updates
})
with tf_logging.DynamicLoggingListener(update_lb_tf, log=LOG):
update_lb_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_member(self, member_id):
"""Creates a pool member.
:param member_id: ID of the member to create
:returns: None
:raises NoSuitablePool: Unable to find the node pool
"""
member = self._member_repo.get(db_apis.get_session(), id=member_id)
if not member:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'member', member_id)
raise db_exceptions.NoResultFound
pool = member.pool
listeners = pool.listeners
load_balancer = pool.load_balancer
topology = CONF.a10_controller_worker.loadbalancer_topology
parent_project_list = utils.get_parent_project_list()
member_parent_proj = utils.get_parent_project(member.project_id)
if (member.project_id in parent_project_list or
(member_parent_proj and member_parent_proj in parent_project_list)
or member.project_id in CONF.hardware_thunder.devices):
create_member_tf = self._taskflow_load(
self._member_flows.get_rack_vthunder_create_member_flow(),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.POOL: pool
})
else:
create_member_tf = self._taskflow_load(
self._member_flows.get_create_member_flow(topology=topology),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.POOL: pool
})
with tf_logging.DynamicLoggingListener(create_member_tf, log=LOG):
create_member_tf.run()
def delete_member(self, member_id):
"""Deletes a pool member.
:param member_id: ID of the member to delete
:returns: None
:raises MemberNotFound: The referenced member was not found
"""
member = self._member_repo.get(db_apis.get_session(), id=member_id)
pool = member.pool
listeners = pool.listeners
load_balancer = pool.load_balancer
if member.project_id in CONF.hardware_thunder.devices:
delete_member_tf = self._taskflow_load(
self._member_flows.get_rack_vthunder_delete_member_flow(),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.POOL: pool
})
else:
delete_member_tf = self._taskflow_load(
self._member_flows.get_delete_member_flow(),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.POOL: pool
})
with tf_logging.DynamicLoggingListener(delete_member_tf, log=LOG):
delete_member_tf.run()
def batch_update_members(self, old_member_ids, new_member_ids,
updated_members):
raise exceptions.NotImplementedError(
user_fault_string='This provider does not support members yet',
operator_fault_string='This provider does not support members yet')
def update_member(self, member_id, member_updates):
"""Updates a pool member.
:param member_id: ID of the member to update
:param member_updates: Dict containing updated member attributes
:returns: None
:raises MemberNotFound: The referenced member was not found
"""
member = None
try:
member = self._get_db_obj_until_pending_update(
self._member_repo, member_id)
except tenacity.RetryError as e:
LOG.warning(
'Member did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
member = e.last_attempt.result()
pool = member.pool
listeners = pool.listeners
load_balancer = pool.load_balancer
if member.project_id in CONF.hardware_thunder.devices:
update_member_tf = self._taskflow_load(
self._member_flows.get_rack_vthunder_update_member_flow(),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.POOL: pool,
constants.UPDATE_DICT: member_updates
})
else:
update_member_tf = self._taskflow_load(
self._member_flows.get_update_member_flow(),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.POOL: pool,
constants.UPDATE_DICT: member_updates
})
with tf_logging.DynamicLoggingListener(update_member_tf, log=LOG):
update_member_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_pool(self, pool_id):
"""Creates a node pool.
:param pool_id: ID of the pool to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
pool = self._pool_repo.get(db_apis.get_session(), id=pool_id)
if not pool:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'pool', pool_id)
raise db_exceptions.NoResultFound
listeners = pool.listeners
default_listener = None
if listeners:
default_listener = pool.listeners[0]
load_balancer = pool.load_balancer
create_pool_tf = self._taskflow_load(
self._pool_flows.get_create_pool_flow(),
store={
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LISTENER: default_listener,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(create_pool_tf, log=LOG):
create_pool_tf.run()
def delete_pool(self, pool_id):
"""Deletes a node pool.
:param pool_id: ID of the pool to delete
:returns: None
:raises PoolNotFound: The referenced pool was not found
"""
pool = self._pool_repo.get(db_apis.get_session(), id=pool_id)
load_balancer = pool.load_balancer
listeners = pool.listeners
default_listener = None
if listeners:
default_listener = pool.listeners[0]
members = pool.members
health_monitor = pool.health_monitor
mem_count = self._member_repo.get_member_count(
db_apis.get_session(), project_id=pool.project_id)
mem_count = mem_count - len(members) + 1
store = {
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LISTENER: default_listener,
constants.LOADBALANCER: load_balancer,
constants.HEALTH_MON: health_monitor,
a10constants.MEMBER_COUNT: mem_count
}
delete_pool_tf = self._taskflow_load(
self._pool_flows.get_delete_pool_flow(members, health_monitor,
store),
store=store)
with tf_logging.DynamicLoggingListener(delete_pool_tf, log=LOG):
delete_pool_tf.run()
def update_pool(self, pool_id, pool_updates):
"""Updates a node pool.
:param pool_id: ID of the pool to update
:param pool_updates: Dict containing updated pool attributes
:returns: None
:raises PoolNotFound: The referenced pool was not found
"""
pool = None
try:
pool = self._get_db_obj_until_pending_update(
self._pool_repo, pool_id)
except tenacity.RetryError as e:
LOG.warning(
'Pool did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
pool = e.last_attempt.result()
listeners = pool.listeners
default_listener = None
if listeners:
default_listener = pool.listeners[0]
load_balancer = pool.load_balancer
update_pool_tf = self._taskflow_load(
self._pool_flows.get_update_pool_flow(),
store={
constants.POOL: pool,
constants.LISTENERS: listeners,
constants.LISTENER: default_listener,
constants.LOADBALANCER: load_balancer,
constants.UPDATE_DICT: pool_updates
})
with tf_logging.DynamicLoggingListener(update_pool_tf, log=LOG):
update_pool_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_l7policy(self, l7policy_id):
"""Creates an L7 Policy.
:param l7policy_id: ID of the l7policy to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7policy_id)
if not l7policy:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'l7policy', l7policy_id)
raise db_exceptions.NoResultFound
listeners = [l7policy.listener]
load_balancer = l7policy.listener.load_balancer
create_l7policy_tf = self._taskflow_load(
self._l7policy_flows.get_create_l7policy_flow(),
store={
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(create_l7policy_tf, log=LOG):
create_l7policy_tf.run()
def delete_l7policy(self, l7policy_id):
"""Deletes an L7 policy.
:param l7policy_id: ID of the l7policy to delete
:returns: None
:raises L7PolicyNotFound: The referenced l7policy was not found
"""
l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7policy_id)
load_balancer = l7policy.listener.load_balancer
listeners = [l7policy.listener]
delete_l7policy_tf = self._taskflow_load(
self._l7policy_flows.get_delete_l7policy_flow(),
store={
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(delete_l7policy_tf, log=LOG):
delete_l7policy_tf.run()
def update_l7policy(self, l7policy_id, l7policy_updates):
"""Updates an L7 policy.
:param l7policy_id: ID of the l7policy to update
:param l7policy_updates: Dict containing updated l7policy attributes
:returns: None
:raises L7PolicyNotFound: The referenced l7policy was not found
"""
l7policy = None
try:
l7policy = self._get_db_obj_until_pending_update(
self._l7policy_repo, l7policy_id)
except tenacity.RetryError as e:
LOG.warning(
'L7 policy did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
l7policy = e.last_attempt.result()
listeners = [l7policy.listener]
load_balancer = l7policy.listener.load_balancer
update_l7policy_tf = self._taskflow_load(
self._l7policy_flows.get_update_l7policy_flow(),
store={
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.UPDATE_DICT: l7policy_updates
})
with tf_logging.DynamicLoggingListener(update_l7policy_tf, log=LOG):
update_l7policy_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_l7rule(self, l7rule_id):
"""Creates an L7 Rule.
:param l7rule_id: ID of the l7rule to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
l7rule = self._l7rule_repo.get(db_apis.get_session(), id=l7rule_id)
if not l7rule:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'l7rule', l7rule_id)
raise db_exceptions.NoResultFound
l7policy = l7rule.l7policy
listeners = [l7policy.listener]
load_balancer = l7policy.listener.load_balancer
create_l7rule_tf = self._taskflow_load(
self._l7rule_flows.get_create_l7rule_flow(),
store={
constants.L7RULE: l7rule,
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(create_l7rule_tf, log=LOG):
create_l7rule_tf.run()
def delete_l7rule(self, l7rule_id):
"""Deletes an L7 rule.
:param l7rule_id: ID of the l7rule to delete
:returns: None
:raises L7RuleNotFound: The referenced l7rule was not found
"""
l7rule = self._l7rule_repo.get(db_apis.get_session(), id=l7rule_id)
l7policy = l7rule.l7policy
load_balancer = l7policy.listener.load_balancer
listeners = [l7policy.listener]
delete_l7rule_tf = self._taskflow_load(
self._l7rule_flows.get_delete_l7rule_flow(),
store={
constants.L7RULE: l7rule,
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer
})
with tf_logging.DynamicLoggingListener(delete_l7rule_tf, log=LOG):
delete_l7rule_tf.run()
def update_l7rule(self, l7rule_id, l7rule_updates):
"""Updates an L7 rule.
:param l7rule_id: ID of the l7rule to update
:param l7rule_updates: Dict containing updated l7rule attributes
:returns: None
:raises L7RuleNotFound: The referenced l7rule was not found
"""
l7rule = None
try:
l7rule = self._get_db_obj_until_pending_update(
self._l7rule_repo, l7rule_id)
except tenacity.RetryError as e:
LOG.warning(
'L7 rule did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
l7rule = e.last_attempt.result()
l7policy = l7rule.l7policy
listeners = [l7policy.listener]
load_balancer = l7policy.listener.load_balancer
update_l7rule_tf = self._taskflow_load(
self._l7rule_flows.get_update_l7rule_flow(),
store={
constants.L7RULE: l7rule,
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners,
constants.LOADBALANCER: load_balancer,
constants.UPDATE_DICT: l7rule_updates
})
with tf_logging.DynamicLoggingListener(update_l7rule_tf, log=LOG):
update_l7rule_tf.run()
def _switch_roles_for_ha_flow(self, vthunder):
lock_session = db_apis.get_session(autocommit=False)
if vthunder.role == constants.ROLE_MASTER:
LOG.info(
"Master vThunder %s has failed, searching for existing backup vThunder.",
vthunder.ip_address)
backup_vthunder = self._vthunder_repo.get_backup_vthunder_from_lb(
lock_session, lb_id=vthunder.loadbalancer_id)
if backup_vthunder:
LOG.info("Making Backup vThunder %s as MASTER NOW",
backup_vthunder.ip_address)
self._vthunder_repo.update(lock_session,
backup_vthunder.id,
role=constants.ROLE_MASTER)
LOG.info("Putting %s to failed vThunders", vthunder.ip_address)
self._vthunder_repo.update(lock_session,
vthunder.id,
role=constants.ROLE_BACKUP,
status=a10constants.FAILED)
lock_session.commit()
LOG.info("vThunder %s's status is FAILED", vthunder.ip_address)
status = {
'vthunders': [{
"id": vthunder.vthunder_id,
"status": a10constants.FAILED,
"ip_address": vthunder.ip_address
}]
}
LOG.info(str(status))
else:
LOG.warning("No backup found for failed MASTER %s",
vthunder.ip_address)
elif vthunder.role == constants.ROLE_BACKUP:
LOG.info("BACKUP vThunder %s has failed", vthunder.ip_address)
self._vthunder_repo.update(lock_session,
vthunder.id,
status=a10constants.FAILED)
LOG.info("vThunder %s's status is FAILED", vthunder.ip_address)
status = {
'vthunders': [{
"id": vthunder.vthunder_id,
"status": a10constants.FAILED,
"ip_address": vthunder.ip_address
}]
}
lock_session.commit()
LOG.info(str(status))
# TODO(ytsai-a10) check if we need to call lock_session.close() to release db lock
def failover_amphora(self, vthunder_id):
"""Perform failover operations for an vThunder.
:param vthunder_id: ID for vThunder to failover
:returns: None
"""
try:
vthunder = self._vthunder_repo.get(db_apis.get_session(),
vthunder_id=vthunder_id)
if not vthunder:
LOG.warning(
"Could not fetch vThunder %s from DB, ignoring "
"failover request.", vthunder.vthunder_id)
return
LOG.info("Starting Failover process on %s", vthunder.ip_address)
# feature : db role switching for HA flow
self._switch_roles_for_ha_flow(vthunder)
# TODO(hthompson6) delete failed one
# TODO(hthompson6) boot up new amps
# TODO(hthompson6) vrrp sync
except Exception as e:
with excutils.save_and_reraise_exception():
LOG.error("vThunder %(id)s failover exception: %(exc)s", {
'id': vthunder_id,
'exc': e
})
def failover_loadbalancer(self, load_balancer_id):
"""Perform failover operations for a load balancer.
:param load_balancer_id: ID for load balancer to failover
:returns: None
:raises LBNotFound: The referenced load balancer was not found
"""
raise exceptions.NotImplementedError(
user_fault_string='This provider does not support loadbalancer '
'failover yet.',
operator_fault_string='This provider does not support loadbalancer '
'failover yet.')
def amphora_cert_rotation(self, amphora_id):
"""Perform cert rotation for an amphora.
:param amphora_id: ID for amphora to rotate
:returns: None
:raises AmphoraNotFound: The referenced amphora was not found
"""
raise exceptions.NotImplementedError(
user_fault_string='This provider does not support rotating Amphora '
'certs.',
operator_fault_string='This provider does not support rotating '
'Amphora certs. We will use preconfigured '
'devices.')
def _get_db_obj_until_pending_update(self, repo, id):
return repo.get(db_apis.get_session(), id=id)
def perform_write_memory(self, thunders):
"""Perform write memory operations for a thunders
:param thunders: group of thunder objects
:returns: None
"""
store = {a10constants.WRITE_MEM_SHARED_PART: True}
for vthunder in thunders:
delete_compute = False
if vthunder.status == 'DELETED' and vthunder.compute_id is not None:
delete_compute = self._vthunder_repo.get_delete_compute_flag(
db_apis.get_session(), vthunder.compute_id)
try:
write_mem_tf = self._taskflow_load(
self._vthunder_flows.get_write_memory_flow(
vthunder, store, delete_compute),
store=store)
with tf_logging.DynamicLoggingListener(write_mem_tf, log=LOG):
write_mem_tf.run()
except Exception:
# continue on other thunders (assume exception is logged)
pass
def perform_reload_check(self, thunders):
"""Perform check for thunders see if thunder reload before write memory
:param thunders: group of thunder objects
:returns: None
"""
store = {}
for vthunder in thunders:
try:
reload_check_tf = self._taskflow_load(
self._vthunder_flows.get_reload_check_flow(
vthunder, store),
store=store)
with tf_logging.DynamicLoggingListener(reload_check_tf,
log=LOG):
reload_check_tf.run()
except Exception:
# continue on other thunders (assume exception is logged)
pass
class Notifier:
_KEEP_ALIVE_INTERVAL = 10.0
_TIME_TO_HANDLE_REQUESTS = 100e-3
def __init__(self, port: int):
self._configurations = []
self._condition = asyncio.Condition()
local_ip = self._get_local_ip()
self._json = {
'local_reg': {
'ip': local_ip,
'notify': 0,
'port': port,
'uri': "/local_lan"
}
}
def _get_local_ip(self):
sock = None
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
sock.connect(('10.255.255.255', 1))
return sock.getsockname()[0]
finally:
if sock:
sock.close()
def register_device(self, device: BaseDevice):
if (not device in self._configurations):
headers = {
'Accept': 'application/json',
'Connection': 'keep-alive',
'Content-Type': 'application/json',
'Host': device.ip_address,
'Accept-Encoding': 'gzip'
}
self._configurations.append(_NotifyConfiguration(device, headers, False, 0))
async def _notify(self):
async with self._condition:
self._condition.notify_all()
def notify(self):
loop = asyncio.get_event_loop()
asyncio.run_coroutine_threadsafe(self._notify(), loop)
async def start(self):
async with aiohttp.ClientSession(conn_timeout=5.0) as session:
async with self._condition:
while True:
queues_empty = True
try:
for entry in self._configurations:
now = time.time()
queue_size = entry.device.commands_queue.qsize()
if queue_size > 1:
queues_empty = False
if now - entry.last_timestamp >= self._KEEP_ALIVE_INTERVAL or queue_size > 0:
await self._perform_request(session, entry)
entry.last_timestamp = now
except:
logging.exception('[KeepAlive] Failed to send local_reg keep alive to the AC.')
if queues_empty:
logging.debug('[KeepAlive] Waiting for notification or timeout')
try:
await asyncio.wait_for(self._condition.wait(), timeout=self._KEEP_ALIVE_INTERVAL)
#await self._wait_on_condition_with_timeout(self._condition, self._KEEP_ALIVE_INTERVAL)
except concurrent.futures.TimeoutError:
pass
else:
# give some time to clean up the queues
await asyncio.sleep(self._TIME_TO_HANDLE_REQUESTS)
@retry(retry=retry_if_exception_type(ConnectionError), wait=wait_incrementing(start=0.5, increment=1.5, max=10))
async def _perform_request(self, session: aiohttp.ClientSession, config: _NotifyConfiguration) -> None:
method = 'PUT' if config.alive else 'POST'
self._json['local_reg']['notify'] = int(config.device.commands_queue.qsize() > 0)
url = 'http://{}/local_reg.json'.format(config.device.ip_address)
try:
logging.debug('[KeepAlive] Sending {} {} {}'.format(method, url, json.dumps(self._json)))
async with session.request(method, url, json=self._json, headers=config.headers) as resp:
if resp.status != HTTPStatus.ACCEPTED.value:
resp_data = await resp.text()
logging.error('[KeepAlive] Sending local_reg failed: {}, {}'.format(resp.status, resp_data))
raise ConnectionError('Sending local_reg failed: {}, {}'.format(resp.status, resp_data))
except:
config.alive = False
raise
config.alive = True
def get_tasks_in_group(group_id):
tasks = []
def _save_tasks(response):
tasks.extend(response["tasks"])
queue = taskcluster.get_service("queue")
queue.listTaskGroup(group_id, paginationHandler=_save_tasks)
return tasks
@tenacity.retry(
stop=tenacity.stop_after_attempt(5),
wait=tenacity.wait_incrementing(start=7, increment=7),
reraise=True,
)
def download_binary(url, path):
"""Download a binary file from an url"""
try:
artifact = requests.get(url, stream=True)
artifact.raise_for_status()
with open(path, "wb") as f:
for chunk in artifact.iter_content(chunk_size=8192):
f.write(chunk)
except Exception:
try:
class StatusManager(object):
def __init__(self, bigip):
self.bigip = bigip
self._octavia_driver_lib = driver_lib.DriverLibrary(
status_socket=CONF.driver_agent.status_socket_path,
stats_socket=CONF.driver_agent.stats_socket_path
)
def set_active(self, obj):
"""Set provisioning_state of octavia object and all ancestors to
ACTIVE.
:param obj: octavia object like loadbalancer, pools, etc.
"""
self._set_obj_and_ancestors(obj)
def set_deleted(self, obj):
"""Set provisioning_state of octavia object to DELETED and all
ancestors to ACTIVE.
:param obj: octavia object like loadbalancer, pools, etc.
"""
self._set_obj_and_ancestors(obj, lib_consts.DELETED)
def set_error(self, obj):
"""Set provisioning_state of octavia object to ERROR and all
ancestors to ACTIVE.
:param obj: octavia object like loadbalancer, pools, etc.
"""
self._set_obj_and_ancestors(obj, lib_consts.ERROR)
def update_status(self, loadbalancers):
"""Set provisioning_state of loadbalancers and all it's
children to ACTIVE if PENDING_UPDATE or PENDING_CREATE, else
DELETED for PENDING_DELETED.
:param loadbalancers: octavia loadbalancers list
"""
def _set_deleted_or_active(obj):
"""Sets octavia object to deleted if status was PENDING_DELETE
:param obj: octavia object
"""
if utils.pending_delete(obj):
self.set_deleted(obj)
else:
self.set_active(obj)
for loadbalancer in loadbalancers:
_set_deleted_or_active(loadbalancer)
for listener in loadbalancer.listeners:
_set_deleted_or_active(listener)
for l7policy in listener.l7policies:
_set_deleted_or_active(l7policy)
for l7rule in l7policy.l7rules:
_set_deleted_or_active(l7rule)
for pool in loadbalancer.pools:
_set_deleted_or_active(pool)
for member in pool.members:
_set_deleted_or_active(member)
if pool.health_monitor:
_set_deleted_or_active(pool.health_monitor)
def _set_obj_and_ancestors(self, obj, state=lib_consts.ACTIVE):
"""Set provisioning_state of octavia object to state and set all ancestors
to ACTIVE.
:param obj: octavia object like loadbalancer, pools, etc.
"""
obj_status = self._status_obj(obj, state)
# Load Balancer
if isinstance(obj, data_models.LoadBalancer):
self._update_status_to_octavia({
lib_consts.LOADBALANCERS: [obj_status]
})
# Listener
if isinstance(obj, data_models.Listener):
self._update_status_to_octavia({
lib_consts.LISTENERS: [obj_status],
lib_consts.LOADBALANCERS: [self._status_obj(obj.load_balancer)]
})
# Pool
if isinstance(obj, data_models.Pool):
self._update_status_to_octavia({
lib_consts.POOLS: [obj_status],
lib_consts.LOADBALANCERS: [self._status_obj(obj.load_balancer)]
})
# Member
if isinstance(obj, data_models.Member):
self._update_status_to_octavia({
lib_consts.MEMBERS: [obj_status],
lib_consts.POOLS: [self._status_obj(obj.pool)],
lib_consts.LOADBALANCERS: [self._status_obj(obj.pool.load_balancer)]
})
# Health Monitor
if isinstance(obj, data_models.HealthMonitor):
self._update_status_to_octavia({
lib_consts.HEALTHMONITORS: [obj_status],
lib_consts.POOLS: [self._status_obj(obj.pool)],
lib_consts.LOADBALANCERS: [self._status_obj(obj.pool.load_balancer)]
})
# L7Policy
if isinstance(obj, data_models.L7Policy):
self._update_status_to_octavia({
lib_consts.L7POLICIES: [obj_status],
lib_consts.LISTENERS: [self._status_obj(obj.listener)],
lib_consts.LOADBALANCERS: [self._status_obj(obj.listener.load_balancer)]
})
# L7Rule
if isinstance(obj, data_models.L7Rule):
self._update_status_to_octavia({
lib_consts.L7RULES: [obj_status],
lib_consts.L7POLICIES: [self._status_obj(obj.l7policy)],
lib_consts.LISTENERS: [self._status_obj(obj.l7policy.listener)],
lib_consts.LOADBALANCERS: [self._status_obj(
obj.l7policy.listener.load_balancer)]
})
@staticmethod
def _status_obj(obj,
provisioning_status=lib_consts.ACTIVE):
"""Return status object for statup update api consumption
:param obj: octavia object containing ID
:param provisioning_status: provisioning status
:return: status object
"""
return {
lib_consts.ID: obj.id,
lib_consts.PROVISIONING_STATUS: provisioning_status
}
@tenacity.retry(
retry=tenacity.retry_if_exception_type(),
wait=tenacity.wait_incrementing(start=1, increment=10),
stop=tenacity.stop_after_attempt(max_attempt_number=3))
def _update_status_to_octavia(self, status):
try:
self._octavia_driver_lib.update_loadbalancer_status(status)
except driver_exceptions.UpdateStatusError as e:
msg = ("Error while updating status to octavia: "
"%s") % e.fault_string
LOG.error(msg)
raise driver_exceptions.UpdateStatusError(msg)
import functools
from oslo_db import exception as db_exc
from oslo_log import log as logging
import tenacity
from mistral import context
from mistral import exceptions as exc
from mistral.services import security
LOG = logging.getLogger(__name__)
@tenacity.retry(retry=tenacity.retry_if_exception_type(db_exc.DBDeadlock),
stop=tenacity.stop_after_attempt(50),
wait=tenacity.wait_incrementing(start=0, increment=0.1, max=2))
def _with_auth_context(auth_ctx, func, *args, **kw):
"""Runs the given function with the specified auth context.
:param auth_ctx: Authentication context.
:param func: Function to run with the specified auth context.
:param args: Function positional arguments.
:param kw: Function keyword arguments.
:return: Function result.
"""
old_auth_ctx = context.ctx() if context.has_ctx() else None
context.set_ctx(auth_ctx)
try:
return func(*args, **kw)
class F5DoClient(object):
def __init__(self, bigip_url, enable_verify=True, enable_token=True):
self.bigip = parse.urlsplit(bigip_url, allow_fragments=False)
self.enable_verify = enable_verify
self.enable_token = enable_token
self.token = None
self.s = self._create_session()
def _url(self, path):
return parse.urlunsplit(
parse.SplitResult(scheme=self.bigip.scheme,
netloc=self.bigip.hostname,
path=path,
query='',
fragment=''))
def _create_session(self):
session = requests.Session()
session.verify = self.enable_verify
return session
def authorized(func):
@functools.wraps(func)
def wrapper(self, *args, **kwargs):
try:
return func(self, *args, **kwargs)
except HTTPError as e:
if e.response.status_code == 401:
self.reauthorize()
return func(self, *args, **kwargs)
else:
raise e
return wrapper
@retry(
retry=retry_if_exception_type(HTTPError),
wait=wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF, RETRY_MAX),
stop=stop_after_attempt(RETRY_ATTEMPTS),
)
def reauthorize(self):
# Login
credentials = {
"username": self.bigip.username,
"password": self.bigip.password,
"loginProviderName": "tmos"
}
basicauth = HTTPBasicAuth(self.bigip.username, self.bigip.password)
r = self.s.post(self._url(DO_LOGIN_PATH),
json=credentials,
auth=basicauth)
r.raise_for_status()
self.token = r.json()['token']['token']
self.s.headers.update({'X-F5-Auth-Token': self.token})
patch_timeout = {"timeout": "36000"}
r = self.s.patch(self._url(DO_TOKENS_PATH.format(self.token)),
json=patch_timeout)
LOG.debug("Reauthorized!")
@retry(retry=retry_if_exception_type(HTTPError),
wait=wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=stop_after_attempt(RETRY_ATTEMPTS))
@authorized
def post(self, **kwargs):
LOG.debug("Calling POST with JSON %s", kwargs.get('json'))
response = self.s.post(self._url(DO_PATH), **kwargs)
response.raise_for_status()
LOG.debug("POST finished with %d: %s", response.status_code,
response.text)
return response
@retry(retry=retry_if_exception_type(HTTPError),
wait=wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=stop_after_attempt(RETRY_ATTEMPTS))
@authorized
def get(self):
response = self.s.get(self._url(DO_PATH))
response.raise_for_status()
LOG.debug("GET finished with %d: %s", response.status_code,
response.text)
return response
class BaseTroveTest(test.BaseTestCase):
credentials = ('admin', 'primary')
datastore = None
instance = None
instance_id = None
instance_ip = None
password = ""
create_user = True
enable_root = False
@classmethod
def get_resource_name(cls, resource_type):
prefix = "trove-tempest-%s" % cls.__name__
return data_utils.rand_name(resource_type, prefix=prefix)
@classmethod
def skip_checks(cls):
super(BaseTroveTest, cls).skip_checks()
if not CONF.service_available.trove:
raise cls.skipException("Database service is not available.")
if cls.datastore not in CONF.database.enabled_datastores:
raise cls.skipException(
"Datastore %s is not enabled." % cls.datastore
)
@classmethod
def get_swift_client(cls):
auth_version = "3.0"
auth_url = CONF.identity.uri_v3
user = cls.os_primary.credentials.username
key = cls.os_primary.credentials.password
tenant_name = cls.os_primary.credentials.project_name
region_name = cls.os_primary.region
os_options = {'tenant_name': tenant_name, 'region_name': region_name}
return swift_client.Connection(
auth_url, user, key, auth_version=auth_version,
os_options=os_options)
@classmethod
def get_swift_admin_client(cls):
auth_version = "3.0"
auth_url = CONF.identity.uri_v3
user = cls.os_admin.credentials.username
key = cls.os_admin.credentials.password
tenant_name = cls.os_admin.credentials.project_name
region_name = cls.os_admin.region
os_options = {'tenant_name': tenant_name, 'region_name': region_name}
return swift_client.Connection(
auth_url, user, key, auth_version=auth_version,
os_options=os_options)
@classmethod
def setup_clients(cls):
super(BaseTroveTest, cls).setup_clients()
cls.client = cls.os_primary.database.TroveClient()
cls.admin_client = cls.os_admin.database.TroveClient()
cls.admin_server_client = cls.os_admin.servers_client
cls.account_client = cls.os_primary.account_client
cls.container_client = cls.os_primary.container_client
cls.object_client = cls.os_primary.object_client
cls.admin_container_client = cls.os_admin.container_client
cls.admin_object_client = cls.os_admin.object_client
# Swift client is special, we want to re-use the log_generator func
# in python-troveclient.
cls.swift = cls.get_swift_client()
cls.swift_admin = cls.get_swift_admin_client()
@classmethod
def setup_credentials(cls):
# Do not create network resources automatically.
cls.set_network_resources()
super(BaseTroveTest, cls).setup_credentials()
@classmethod
@tenacity.retry(
retry=tenacity.retry_if_exception_type(exceptions.Conflict),
wait=tenacity.wait_incrementing(1, 1, 5),
stop=tenacity.stop_after_attempt(15)
)
def _delete_network(cls, net_id):
"""Make sure the network is deleted.
Neutron can be slow to clean up ports from the subnets/networks.
Retry this delete a few times if we get a "Conflict" error to give
neutron time to fully cleanup the ports.
"""
networks_client = cls.os_primary.networks_client
try:
networks_client.delete_network(net_id)
except Exception:
LOG.error('Unable to delete network %s', net_id)
raise
@classmethod
@tenacity.retry(
retry=tenacity.retry_if_exception_type(exceptions.Conflict),
wait=tenacity.wait_incrementing(1, 1, 5),
stop=tenacity.stop_after_attempt(15)
)
def _delete_subnet(cls, subnet_id):
"""Make sure the subnet is deleted.
Neutron can be slow to clean up ports from the subnets/networks.
Retry this delete a few times if we get a "Conflict" error to give
neutron time to fully cleanup the ports.
"""
subnets_client = cls.os_primary.subnets_client
try:
subnets_client.delete_subnet(subnet_id)
except Exception:
LOG.error('Unable to delete subnet %s', subnet_id)
raise
@classmethod
def _create_network(cls):
"""Create database instance network."""
networks_client = cls.os_primary.networks_client
subnets_client = cls.os_primary.subnets_client
routers_client = cls.os_primary.routers_client
if CONF.database.shared_network:
private_network = CONF.database.shared_network
if not uuidutils.is_uuid_like(private_network):
networks = networks_client.list_networks()['networks']
for net in networks:
if net['name'] == private_network:
private_network = net['id']
break
else:
raise exceptions.NotFound(
'Shared network %s not found' % private_network
)
cls.private_network = private_network
return
network_kwargs = {"name": cls.get_resource_name("network")}
result = networks_client.create_network(**network_kwargs)
LOG.info('Private network created: %s', result['network'])
cls.private_network = result['network']["id"]
cls.addClassResourceCleanup(
utils.wait_for_removal,
cls._delete_network,
networks_client.show_network,
cls.private_network
)
subnet_kwargs = {
'name': cls.get_resource_name("subnet"),
'network_id': cls.private_network,
'cidr': CONF.database.subnet_cidr,
'ip_version': 4
}
result = subnets_client.create_subnet(**subnet_kwargs)
subnet_id = result['subnet']['id']
LOG.info('Private subnet created: %s', result['subnet'])
cls.addClassResourceCleanup(
utils.wait_for_removal,
cls._delete_subnet,
subnets_client.show_subnet,
subnet_id
)
# In dev node, Trove instance needs to connect with control host
router_params = {
'name': cls.get_resource_name("router"),
'external_gateway_info': {
"network_id": CONF.network.public_network_id
}
}
result = routers_client.create_router(**router_params)
router_id = result['router']['id']
LOG.info('Private router created: %s', result['router'])
cls.addClassResourceCleanup(
utils.wait_for_removal,
routers_client.delete_router,
routers_client.show_router,
router_id
)
routers_client.add_router_interface(router_id, subnet_id=subnet_id)
LOG.info('Subnet %s added to the router %s', subnet_id, router_id)
cls.addClassResourceCleanup(
routers_client.remove_router_interface,
router_id,
subnet_id=subnet_id
)
@classmethod
def resource_setup(cls):
super(BaseTroveTest, cls).resource_setup()
# Create network for database instance, use cls.private_network as the
# network ID.
cls._create_network()
instance = cls.create_instance(create_user=cls.create_user)
cls.instance_id = instance['id']
cls.wait_for_instance_status(cls.instance_id)
cls.instance = cls.client.get_resource(
"instances", cls.instance_id)['instance']
cls.instance_ip = cls.get_instance_ip(cls.instance)
if cls.enable_root:
cls.password = cls.get_root_pass(cls.instance_id)
def assert_single_item(self, items, **props):
return self.assert_multiple_items(items, 1, **props)[0]
def assert_multiple_items(self, items, count, **props):
"""Check if a object is in a list of objects.
e.g. props is a sub-dict, items is a list of dicts.
"""
def _matches(item, **props):
for prop_name, prop_val in props.items():
v = item[prop_name] if isinstance(
item, dict) else getattr(item, prop_name)
if v != prop_val:
return False
return True
filtered_items = list(
[item for item in items if _matches(item, **props)]
)
found = len(filtered_items)
if found != count:
LOG.info("[FAIL] items=%s, expected_props=%s", str(items), props)
self.fail("Wrong number of items found [props=%s, "
"expected=%s, found=%s]" % (props, count, found))
return filtered_items
@classmethod
def delete_swift_account(cls):
LOG.info(f"Cleaning up Swift account")
try:
cls.account_client.delete('')
except exceptions.NotFound:
pass
@classmethod
def delete_swift_containers(cls, container_client, object_client,
containers):
"""Remove containers and all objects in them.
The containers should be visible from the container_client given.
Will not throw any error if the containers don't exist.
Will not check that object and container deletions succeed.
After delete all the objects from a container, it will wait 3
seconds before delete the container itself, in order for deployments
using HA proxy sync the deletion properly, otherwise, the container
might fail to be deleted because it's not empty.
"""
if isinstance(containers, str):
containers = [containers]
for cont in containers:
try:
params = {'limit': 9999, 'format': 'json'}
_, objlist = container_client.list_container_objects(
cont,
params)
# delete every object in the container
for obj in objlist:
test_utils.call_and_ignore_notfound_exc(
object_client.delete_object, cont, obj['name'])
# sleep 3 seconds to sync the deletion of the objects
# in HA deployment
time.sleep(3)
container_client.delete_container(cont)
except exceptions.NotFound:
pass
@classmethod
def create_instance(cls, name=None, datastore_version=None,
database=constants.DB_NAME, username=constants.DB_USER,
password=constants.DB_PASS, backup_id=None,
replica_of=None, create_user=True):
"""Create database instance.
Creating database instance is time-consuming, so we define this method
as a class method, which means the instance is shared in a single
TestCase. According to
https://docs.openstack.org/tempest/latest/write_tests.html#adding-a-new-testcase,
all test methods within a TestCase are assumed to be executed serially.
"""
name = name or cls.get_resource_name("instance")
# Flavor, volume, datastore are not needed for creating replica.
if replica_of:
body = {
"instance": {
"name": name,
"nics": [{"net-id": cls.private_network}],
"access": {"is_public": True},
"replica_of": replica_of,
}
}
# Get datastore version. Get from API if the default ds version is not
# configured.
elif not datastore_version:
default_versions = CONF.database.default_datastore_versions
datastore_version = default_versions.get(cls.datastore)
if not datastore_version:
res = cls.client.list_resources("datastores")
for d in res['datastores']:
if d['name'] == cls.datastore:
if d.get('default_version'):
datastore_version = d['default_version']
else:
datastore_version = d['versions'][0]['name']
break
if not datastore_version:
message = ('Failed to get available datastore version.')
raise exceptions.TempestException(message)
if not replica_of:
body = {
"instance": {
"name": name,
"datastore": {
"type": cls.datastore,
"version": datastore_version
},
"flavorRef": CONF.database.flavor_id,
"volume": {
"size": 1,
"type": CONF.database.volume_type
},
"nics": [{"net-id": cls.private_network}],
"access": {"is_public": True}
}
}
if backup_id:
body['instance'].update(
{'restorePoint': {'backupRef': backup_id}})
if create_user:
body['instance'].update({
'databases': [{"name": database}],
"users": [
{
"name": username,
"password": password,
"databases": [{"name": database}]
}
]
})
res = cls.client.create_resource("instances", body)
cls.addClassResourceCleanup(cls.wait_for_instance_status,
res["instance"]["id"],
need_delete=True,
expected_status="DELETED")
return res["instance"]
@classmethod
def restart_instance(cls, instance_id):
"""Restart database service and wait until it's healthy."""
cls.client.create_resource(
f"instances/{instance_id}/action",
{"restart": {}},
expected_status_code=202,
need_response=False)
cls.wait_for_instance_status(instance_id)
@classmethod
def wait_for_instance_status(cls, id,
expected_status=["HEALTHY", "ACTIVE"],
need_delete=False,
timeout=CONF.database.database_build_timeout):
def _wait():
try:
res = cls.client.get_resource("instances", id)
cur_status = res["instance"]["status"]
except exceptions.NotFound:
if need_delete or "DELETED" in expected_status:
LOG.info('Instance %s is deleted', id)
raise loopingcall.LoopingCallDone()
return
if cur_status in expected_status:
LOG.info('Instance %s becomes %s', id, cur_status)
raise loopingcall.LoopingCallDone()
elif "ERROR" not in expected_status and cur_status == "ERROR":
# If instance status goes to ERROR but is not expected, stop
# waiting
res = cls.admin_client.get_resource("instances", id)
LOG.info(f'Instance fault msg: {res["instance"].get("fault")}')
# Show trove-guestagent log for debug purpose.
# Only admin user is able to publish and show the trove guest
# agent log. Make sure the container is deleted after fetching
# the log.
try:
LOG.info(f"Publishing guest log for instance {id}")
cls.publish_log(id, 'guest')
LOG.info(f"Getting guest log content for instance {id}")
log_gen = cls.log_generator(id, 'guest', lines=0)
log_content = "".join([chunk for chunk in log_gen()])
LOG.info(
f"\n=============================================\n"
f"Trove guest agent log for instance {id}\n"
f"=============================================")
LOG.info(log_content)
except Exception as err:
LOG.warning(f"Failed to get guest log for instance {id}, "
f"error: {str(err)}")
finally:
# Remove the swift container of database logs.
LOG.info(f"Deleting swift container "
f"{CONF.database.database_log_container}")
cls.delete_swift_containers(
cls.admin_container_client, cls.admin_object_client,
CONF.database.database_log_container)
message = "Instance status is ERROR."
caller = test_utils.find_test_caller()
if caller:
message = '({caller}) {message}'.format(caller=caller,
message=message)
raise exceptions.UnexpectedResponseCode(message)
if type(expected_status) != list:
expected_status = [expected_status]
if need_delete:
# If resource already removed, return
try:
cls.client.get_resource("instances", id)
except exceptions.NotFound:
LOG.info('Instance %s not found', id)
return
LOG.info(f"Deleting instance {id}")
cls.admin_client.force_delete_instance(id)
timer = loopingcall.FixedIntervalWithTimeoutLoopingCall(_wait)
try:
timer.start(interval=10, timeout=timeout, initial_delay=5).wait()
except loopingcall.LoopingCallTimeOut:
message = ("Instance %s is not in the expected status: %s" %
(id, expected_status))
caller = test_utils.find_test_caller()
if caller:
message = '({caller}) {message}'.format(caller=caller,
message=message)
raise exceptions.TimeoutException(message)
@classmethod
def get_instance_ip(cls, instance=None):
if not instance:
instance = cls.client.get_resource(
"instances", cls.instance_id)['instance']
# TODO(lxkong): IPv6 needs to be tested.
v4_ip = None
if 'addresses' in instance:
for addr_info in instance['addresses']:
if addr_info['type'] == 'private':
v4_ip = addr_info['address']
if addr_info['type'] == 'public':
v4_ip = addr_info['address']
break
else:
ips = instance.get('ip', [])
for ip in ips:
if netutils.is_valid_ipv4(ip):
v4_ip = ip
if not v4_ip:
message = ('Failed to get instance IP address.')
raise exceptions.TempestException(message)
return v4_ip
def get_databases(self, instance_id, **kwargs):
url = f'instances/{instance_id}/databases'
ret = self.client.list_resources(url)
return ret['databases']
def get_users(self, instance_id):
url = f'instances/{instance_id}/users'
ret = self.client.list_resources(url)
return ret['users']
@classmethod
def create_backup(cls, instance_id, backup_name, incremental=False,
parent_id=None, description=None):
body = {
"backup": {
"name": backup_name,
"instance": instance_id,
"incremental": 1 if incremental else 0,
}
}
if description:
body['backup']['description'] = description
if parent_id:
body['backup']['parent_id'] = parent_id
res = cls.client.create_resource("backups", body,
expected_status_code=202)
cls.addClassResourceCleanup(cls.wait_for_backup_status,
res["backup"]['id'],
expected_status='',
need_delete=True)
return res["backup"]
@classmethod
def delete_backup(cls, backup_id, ignore_notfound=False):
cls.client.delete_resource('backups', backup_id,
ignore_notfound=ignore_notfound)
@classmethod
def wait_for_backup_status(cls, id, expected_status=["COMPLETED"],
need_delete=False):
def _wait():
try:
res = cls.client.get_resource("backups", id)
cur_status = res["backup"]["status"]
except exceptions.NotFound:
if need_delete or "DELETED" in expected_status:
LOG.info('Backup %s is deleted', id)
raise loopingcall.LoopingCallDone()
return
if cur_status in expected_status:
LOG.info('Backup %s becomes %s', id, cur_status)
raise loopingcall.LoopingCallDone()
elif "FAILED" not in expected_status and cur_status == "FAILED":
# If backup status goes to FAILED but is not expected, stop
# waiting
message = "Backup status is FAILED."
caller = test_utils.find_test_caller()
if caller:
message = '({caller}) {message}'.format(caller=caller,
message=message)
raise exceptions.UnexpectedResponseCode(message)
if type(expected_status) != list:
expected_status = [expected_status]
if need_delete:
# If resource already removed, return
try:
cls.client.get_resource("backups", id)
except exceptions.NotFound:
LOG.info('Backup %s not found', id)
return
LOG.info(f"Deleting backup {id}")
cls.delete_backup(id, ignore_notfound=True)
timer = loopingcall.FixedIntervalWithTimeoutLoopingCall(_wait)
try:
timer.start(interval=10,
timeout=CONF.database.backup_wait_timeout).wait()
except loopingcall.LoopingCallTimeOut:
message = ("Backup %s is not in the expected status: %s" %
(id, expected_status))
caller = test_utils.find_test_caller()
if caller:
message = '({caller}) {message}'.format(caller=caller,
message=message)
raise exceptions.TimeoutException(message)
@classmethod
def get_root_pass(cls, instance_id):
resp = cls.client.create_resource(f"instances/{instance_id}/root", {})
return resp['user']['password']
@classmethod
def rebuild_instance(cls, instance_id, image_id):
rebuild_req = {
"rebuild": {
"image_id": image_id
}
}
cls.admin_client.create_resource(
f"mgmt/instances/{instance_id}/action",
rebuild_req, expected_status_code=202,
need_response=False)
cls.wait_for_instance_status(instance_id)
@classmethod
def create_config(cls, name, values, datastore, datastore_version):
create_config = {
"configuration": {
"datastore": {
"type": datastore,
"version": datastore_version
},
"values": values,
"name": name
}
}
config = cls.client.create_resource('configurations', create_config)
return config
@classmethod
def attach_config(cls, instance_id, config_id):
attach_config = {
"instance": {
"configuration": config_id
}
}
cls.client.put_resource(f'instances/{instance_id}', attach_config)
@classmethod
def detach_config(cls, instance_id):
detach_config = {
"instance": {
"configuration": None
}
}
cls.client.put_resource(f'instances/{instance_id}', detach_config)
@classmethod
def publish_log(cls, instance_id, name='guest'):
client = cls.admin_client if name == 'guest' else cls.client
req_body = {
'name': name,
'publish': 1
}
client.create_resource(f"instances/{instance_id}/log",
req_body)
@classmethod
def get_log_info(cls, instance_id, name='guest'):
req_body = {
'name': name,
}
return cls.admin_client.create_resource(
f"instances/{instance_id}/log",
req_body)
@classmethod
def _get_container_info(cls, instance_id, log_name):
try:
log_info = cls.get_log_info(instance_id, log_name)['log']
container = log_info['container']
prefix = log_info['prefix']
metadata_file = log_info['metafile']
return container, prefix, metadata_file
except swift_client.ClientException as ex:
if ex.http_status == 404:
raise trove_exc.GuestLogNotFound()
raise trove_exc.TroveTempestException()
@classmethod
def log_generator(cls, instance_id, log_name, lines=50):
"""Return generator to yield the last <lines> lines of guest log.
This method is copied from python-troveclient.
"""
swift_cli = cls.swift_admin if log_name == 'guest' else cls.swift
def _log_generator(instance_id, log_name, lines):
try:
container, prefix, metadata_file = cls._get_container_info(
instance_id, log_name)
head, body = swift_cli.get_container(container, prefix=prefix)
log_obj_to_display = []
if lines:
total_lines = lines
partial_results = False
parts = sorted(body, key=lambda obj: obj['last_modified'],
reverse=True)
for part in parts:
obj_hdrs = swift_cli.head_object(
container,
part['name'])
obj_lines = int(obj_hdrs['x-object-meta-lines'])
log_obj_to_display.insert(0, part)
if obj_lines >= lines:
partial_results = True
break
lines -= obj_lines
if not partial_results:
lines = total_lines
part = log_obj_to_display.pop(0)
hdrs, log_obj = swift_cli.get_object(
container,
part['name'])
log_by_lines = log_obj.decode().splitlines()
yield "\n".join(log_by_lines[-1 * lines:]) + "\n"
else:
# Show all the logs
log_obj_to_display = sorted(
body, key=lambda obj: obj['last_modified'])
for log_part in log_obj_to_display:
headers, log_obj = swift_cli.get_object(
container,
log_part['name'])
yield log_obj.decode()
except swift_client.ClientException as ex:
if ex.http_status == 404:
raise trove_exc.GuestLogNotFound()
raise trove_exc.TroveTempestException()
return lambda: _log_generator(instance_id, log_name, lines)
class Message(object):
"""Zaqar message type of notification."""
def __init__(self, queue_name, **kwargs):
self.user = kwargs.get('user', '')
self.project = kwargs.get('project', '')
self.domain = kwargs.get('domain', '')
self.queue_name = queue_name
self._zaqarclient = None
self._keystoneclient = None
def zaqar(self):
if self._zaqarclient is not None:
return self._zaqarclient
params = self._build_conn_params(self.user, self.project)
self._zaqarclient = driver_base.SenlinDriver().message(params)
return self._zaqarclient
def _build_conn_params(self, user, project):
"""Build connection params for specific user and project.
:param user: The ID of the user for which a trust will be used.
:param project: The ID of the project for which a trust will be used.
:returns: A dict containing the required parameters for connection
creation.
"""
service_creds = senlin_context.get_service_credentials()
params = {
'username': service_creds.get('username'),
'password': service_creds.get('password'),
'auth_url': service_creds.get('auth_url'),
'user_domain_name': service_creds.get('user_domain_name')
}
cred = co.Credential.get(oslo_context.get_current(), user, project)
if cred is None:
raise exception.TrustNotFound(trustor=user)
params['trust_id'] = cred.cred['openstack']['trust']
return params
@tenacity.retry(
retry=tenacity.retry_if_exception_type(exception.EResourceCreation),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def post_lifecycle_hook_message(self, lifecycle_action_token, node_id,
resource_id, lifecycle_transition_type):
message_list = [{
"ttl": CONF.notification.ttl,
"body": {
"lifecycle_action_token": lifecycle_action_token,
"node_id": node_id,
"resource_id": resource_id,
"lifecycle_transition_type": lifecycle_transition_type
}
}]
try:
if not self.zaqar().queue_exists(self.queue_name):
kwargs = {
"_max_messages_post_size":
CONF.notification.max_message_size,
"description": "Senlin lifecycle hook notification",
"name": self.queue_name
}
self.zaqar().queue_create(**kwargs)
return self.zaqar().message_post(self.queue_name, message_list)
except exception.InternalError as ex:
raise exception.EResourceCreation(type='queue', message=str(ex))
class F5iControlRestBackend(F5Backend):
def __init__(self, cfg, uri):
super(F5iControlRestBackend, self).__init__()
self.conf = cfg
self.device = parse.urlparse(uri)
self.devices = [] # SelfIP Ports
self.mgmt = None
# Prometheus counters
self.vlan_update = Counter('vlan_update', 'Updates of vlans')
self.vlan_create = Counter('vlan_create', 'Creations of vlans')
self.vlan_delete = Counter('vlan_delete', 'Deletions of vlans')
self.selfip_update = Counter('selfip_update', 'Updates of selfips')
self.selfip_create = Counter('selfip_create', 'Creations of selfips')
self.selfip_delete = Counter('selfip_delete', 'Deletions of selfips')
self._login()
def _login(self):
if not self.device.username or not self.device.password:
LOG.error("Need to specify valid F5.devices configuration: "
"http(s)://<username>:<password>@hostname,...")
sys.exit(1)
self.mgmt = ManagementRoot(self.device.hostname,
self.device.username,
self.device.password,
token=True,
verify=self.conf.F5.https_verify)
interface = self.conf.F5_VCMP.interface
trunk = self.mgmt.tm.net.trunks.trunk.load(name=interface)
self.mac = trunk.macAddress
def get_mac(self):
return self.mac
REQUEST_TIME_SYNC_VLANS = Summary('sync_vlan_seconds',
'Time spent processing vlans')
@REQUEST_TIME_SYNC_VLANS.time()
def _sync_vlans(self, vlans):
new_vlans = {
constants.PREFIX_VLAN + name: val
for name, val in vlans.items()
}
v = self.mgmt.tm.net.vlans
for old_vlan in v.get_collection():
# Not managed by agent
if not old_vlan.name.startswith(constants.PREFIX_VLAN):
pass
# Update
elif old_vlan.name in new_vlans:
vlan = new_vlans.pop(old_vlan.name)
if old_vlan.tag != vlan['tag'] or old_vlan.mtu != vlan['mtu']:
old_vlan.tag = vlan['tag']
old_vlan.mtu = vlan['mtu']
old_vlan.update()
self.vlan_update.inc()
# orphaned
else:
try:
old_vlan.delete()
self.vlan_delete.inc()
except iControlUnexpectedHTTPError:
pass
# New ones
for name, vlan in new_vlans.items():
v.vlan.create(name=name,
partition='Common',
tag=vlan['tag'],
mtu=vlan['mtu'])
self.vlan_create.inc()
REQUEST_TIME_SYNC_SELFIPS = Summary('sync_selfip_seconds',
'Time spent processing selfips')
@REQUEST_TIME_SYNC_SELFIPS.time()
def _sync_selfips(self, selfips):
sips = self.mgmt.tm.net.selfips.get_collection()
self.devices = [
sip.name[len(constants.PREFIX_SELFIP):] for sip in sips
if sip.name.startswith(constants.PREFIX_SELFIP)
]
for old_sip in sips:
# Not managed by agent
if not old_sip.name.startswith(constants.PREFIX_SELFIP):
continue
# Update
elif old_sip.name in selfips:
selfip = selfips.pop(old_sip.name)
if old_sip.vlan != '/Common/{}'.format(
selfip['vlan']
) or old_sip.address != selfip['ip_address']:
old_sip.vlan = '/Common/{}'.format(constants.PREFIX_VLAN +
selfip['vlan'])
old_sip.address = selfip['ip_address']
old_sip.update()
self.selfip_update.inc()
# orphaned
else:
old_sip.delete()
self.selfip_delete.inc()
# New ones
for name, selfip in selfips.items():
if self.mac != selfip['mac']:
continue
self.mgmt.tm.net.selfips.selfip.create(
name=constants.PREFIX_SELFIP + name,
partition='Common',
vlan=constants.PREFIX_VLAN + selfip['vlan'],
address=selfip['ip_address'])
self.selfip_create.inc()
SYNC_ALL_EXCEPTIONS = Counter('sync_exceptions',
'Exceptions during sync_all')
@retry(retry=retry_if_exception_type((Timeout, ConnectionError)),
wait=wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=stop_after_attempt(RETRY_ATTEMPTS))
@SYNC_ALL_EXCEPTIONS.count_exceptions()
def sync_all(self, vlans, selfips):
try:
self._sync_vlans(vlans)
except iControlUnexpectedHTTPError as e:
LOG.exception(e)
try:
self._sync_selfips(selfips)
except iControlUnexpectedHTTPError as e:
LOG.exception(e)
def plug_interface(self, network_segment, device):
name = constants.PREFIX_SELFIP + device
if self.mgmt.tm.net.selfips.selfip.exists(name=name):
return True
# wait till sync-loop processed the port
return False
GET_DEVICES_EXCEPTIONS = Counter('get_devices_exceptions',
'Exceptions during get_devices')
@retry(retry=retry_if_exception_type((Timeout, ConnectionError)),
wait=wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=stop_after_attempt(RETRY_ATTEMPTS))
@GET_DEVICES_EXCEPTIONS.count_exceptions()
def get_devices(self):
return self.devices
class ControllerWorker(object):
def __init__(self):
self._amphora_repo = repo.AmphoraRepository()
self._amphora_health_repo = repo.AmphoraHealthRepository()
self._health_mon_repo = repo.HealthMonitorRepository()
self._lb_repo = repo.LoadBalancerRepository()
self._listener_repo = repo.ListenerRepository()
self._member_repo = repo.MemberRepository()
self._pool_repo = repo.PoolRepository()
self._l7policy_repo = repo.L7PolicyRepository()
self._l7rule_repo = repo.L7RuleRepository()
self._flavor_repo = repo.FlavorRepository()
self._az_repo = repo.AvailabilityZoneRepository()
if CONF.task_flow.jobboard_enabled:
persistence = tsk_driver.MysqlPersistenceDriver()
self.jobboard_driver = stevedore_driver.DriverManager(
namespace='octavia.worker.jobboard_driver',
name=CONF.task_flow.jobboard_backend_driver,
invoke_args=(persistence, ),
invoke_on_load=True).driver
else:
self.tf_engine = base_taskflow.BaseTaskFlowEngine()
@tenacity.retry(
retry=(tenacity.retry_if_result(_is_provisioning_status_pending_update)
| tenacity.retry_if_exception_type()),
wait=tenacity.wait_incrementing(
CONF.haproxy_amphora.api_db_commit_retry_initial_delay,
CONF.haproxy_amphora.api_db_commit_retry_backoff,
CONF.haproxy_amphora.api_db_commit_retry_max),
stop=tenacity.stop_after_attempt(
CONF.haproxy_amphora.api_db_commit_retry_attempts))
def _get_db_obj_until_pending_update(self, repo, id):
return repo.get(db_apis.get_session(), id=id)
@property
def services_controller(self):
return base_taskflow.TaskFlowServiceController(self.jobboard_driver)
def run_flow(self, func, *args, **kwargs):
if CONF.task_flow.jobboard_enabled:
self.services_controller.run_poster(func, *args, **kwargs)
else:
tf = self.tf_engine.taskflow_load(func(*args), **kwargs)
with tf_logging.DynamicLoggingListener(tf, log=LOG):
tf.run()
def create_amphora(self, availability_zone=None):
"""Creates an Amphora.
This is used to create spare amphora.
:returns: uuid
"""
try:
store = {
constants.BUILD_TYPE_PRIORITY:
constants.LB_CREATE_SPARES_POOL_PRIORITY,
constants.FLAVOR: None,
constants.SERVER_GROUP_ID: None,
constants.AVAILABILITY_ZONE: None
}
if availability_zone:
store[constants.AVAILABILITY_ZONE] = (
self._az_repo.get_availability_zone_metadata_dict(
db_apis.get_session(), availability_zone))
self.run_flow(flow_utils.get_create_amphora_flow,
store=store,
wait=True)
except Exception as e:
LOG.error('Failed to create an amphora due to: %s', str(e))
def delete_amphora(self, amphora_id):
"""Deletes an existing Amphora.
:param amphora_id: ID of the amphora to delete
:returns: None
:raises AmphoraNotFound: The referenced Amphora was not found
"""
try:
amphora = self._amphora_repo.get(db_apis.get_session(),
id=amphora_id)
store = {constants.AMPHORA: amphora.to_dict()}
self.run_flow(flow_utils.get_delete_amphora_flow, store=store)
except Exception as e:
LOG.error('Failed to delete a amphora %s due to: %s', amphora_id,
str(e))
return
LOG.info('Finished deleting amphora %s.', amphora_id)
@tenacity.retry(retry=tenacity.retry_if_exception_type(
db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(
CONF.haproxy_amphora.api_db_commit_retry_initial_delay,
CONF.haproxy_amphora.api_db_commit_retry_backoff,
CONF.haproxy_amphora.api_db_commit_retry_max),
stop=tenacity.stop_after_attempt(
CONF.haproxy_amphora.api_db_commit_retry_attempts))
def create_health_monitor(self, health_monitor):
"""Creates a health monitor.
:param health_monitor: Provider health monitor dict
:returns: None
:raises NoResultFound: Unable to find the object
"""
db_health_monitor = self._health_mon_repo.get(
db_apis.get_session(),
id=health_monitor[constants.HEALTHMONITOR_ID])
if not db_health_monitor:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'healthmonitor',
health_monitor[constants.HEALTHMONITOR_ID])
raise db_exceptions.NoResultFound
pool = db_health_monitor.pool
pool.health_monitor = db_health_monitor
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
store = {
constants.HEALTH_MON: health_monitor,
constants.POOL_ID: pool.id,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb
}
self.run_flow(flow_utils.get_create_health_monitor_flow, store=store)
def delete_health_monitor(self, health_monitor):
"""Deletes a health monitor.
:param health_monitor: Provider health monitor dict
:returns: None
:raises HMNotFound: The referenced health monitor was not found
"""
db_health_monitor = self._health_mon_repo.get(
db_apis.get_session(),
id=health_monitor[constants.HEALTHMONITOR_ID])
pool = db_health_monitor.pool
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
store = {
constants.HEALTH_MON: health_monitor,
constants.POOL_ID: pool.id,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb,
constants.PROJECT_ID: load_balancer.project_id
}
self.run_flow(flow_utils.get_delete_health_monitor_flow, store=store)
def update_health_monitor(self, original_health_monitor,
health_monitor_updates):
"""Updates a health monitor.
:param original_health_monitor: Provider health monitor dict
:param health_monitor_updates: Dict containing updated health monitor
:returns: None
:raises HMNotFound: The referenced health monitor was not found
"""
try:
db_health_monitor = self._get_db_obj_until_pending_update(
self._health_mon_repo,
original_health_monitor[constants.HEALTHMONITOR_ID])
except tenacity.RetryError as e:
LOG.warning(
'Health monitor did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
db_health_monitor = e.last_attempt.result()
pool = db_health_monitor.pool
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
store = {
constants.HEALTH_MON: original_health_monitor,
constants.POOL_ID: pool.id,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb,
constants.UPDATE_DICT: health_monitor_updates
}
self.run_flow(flow_utils.get_update_health_monitor_flow, store=store)
@tenacity.retry(retry=tenacity.retry_if_exception_type(
db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(
CONF.haproxy_amphora.api_db_commit_retry_initial_delay,
CONF.haproxy_amphora.api_db_commit_retry_backoff,
CONF.haproxy_amphora.api_db_commit_retry_max),
stop=tenacity.stop_after_attempt(
CONF.haproxy_amphora.api_db_commit_retry_attempts))
def create_listener(self, listener):
"""Creates a listener.
:param listener: A listener provider dictionary.
:returns: None
:raises NoResultFound: Unable to find the object
"""
db_listener = self._listener_repo.get(
db_apis.get_session(), id=listener[constants.LISTENER_ID])
if not db_listener:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'listener', listener[constants.LISTENER_ID])
raise db_exceptions.NoResultFound
load_balancer = db_listener.load_balancer
listeners = load_balancer.listeners
dict_listeners = []
for li in listeners:
dict_listeners.append(
provider_utils.db_listener_to_provider_listener(li).to_dict())
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
store = {
constants.LISTENERS: dict_listeners,
constants.LOADBALANCER: provider_lb,
constants.LOADBALANCER_ID: load_balancer.id
}
self.run_flow(flow_utils.get_create_listener_flow, store=store)
def delete_listener(self, listener):
"""Deletes a listener.
:param listener: A listener provider dictionary to delete
:returns: None
:raises ListenerNotFound: The referenced listener was not found
"""
store = {
constants.LISTENER: listener,
constants.LOADBALANCER_ID: listener[constants.LOADBALANCER_ID],
constants.PROJECT_ID: listener[constants.PROJECT_ID]
}
self.run_flow(flow_utils.get_delete_listener_flow, store=store)
def update_listener(self, listener, listener_updates):
"""Updates a listener.
:param listener: A listener provider dictionary to update
:param listener_updates: Dict containing updated listener attributes
:returns: None
:raises ListenerNotFound: The referenced listener was not found
"""
db_lb = self._lb_repo.get(db_apis.get_session(),
id=listener[constants.LOADBALANCER_ID])
store = {
constants.LISTENER: listener,
constants.UPDATE_DICT: listener_updates,
constants.LOADBALANCER_ID: db_lb.id,
constants.LISTENERS: [listener]
}
self.run_flow(flow_utils.get_update_listener_flow, store=store)
@tenacity.retry(retry=tenacity.retry_if_exception_type(
db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(
CONF.haproxy_amphora.api_db_commit_retry_initial_delay,
CONF.haproxy_amphora.api_db_commit_retry_backoff,
CONF.haproxy_amphora.api_db_commit_retry_max),
stop=tenacity.stop_after_attempt(
CONF.haproxy_amphora.api_db_commit_retry_attempts))
def create_load_balancer(self,
loadbalancer,
flavor=None,
availability_zone=None):
"""Creates a load balancer by allocating Amphorae.
First tries to allocate an existing Amphora in READY state.
If none are available it will attempt to build one specifically
for this load balancer.
:param loadbalancer: The dict of load balancer to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
lb = self._lb_repo.get(db_apis.get_session(),
id=loadbalancer[constants.LOADBALANCER_ID])
if not lb:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'load_balancer',
loadbalancer[constants.LOADBALANCER_ID])
raise db_exceptions.NoResultFound
store = {
lib_consts.LOADBALANCER_ID:
loadbalancer[lib_consts.LOADBALANCER_ID],
constants.BUILD_TYPE_PRIORITY: constants.LB_CREATE_NORMAL_PRIORITY,
lib_consts.FLAVOR: flavor,
lib_consts.AVAILABILITY_ZONE: availability_zone
}
topology = lb.topology
if (not CONF.nova.enable_anti_affinity
or topology == constants.TOPOLOGY_SINGLE):
store[constants.SERVER_GROUP_ID] = None
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
lb.listeners))
store[constants.UPDATE_DICT] = {constants.TOPOLOGY: topology}
self.run_flow(flow_utils.get_create_load_balancer_flow,
topology,
listeners=listeners_dicts,
store=store)
def delete_load_balancer(self, load_balancer, cascade=False):
"""Deletes a load balancer by de-allocating Amphorae.
:param load_balancer: Dict of the load balancer to delete
:returns: None
:raises LBNotFound: The referenced load balancer was not found
"""
loadbalancer_id = load_balancer[constants.LOADBALANCER_ID]
db_lb = self._lb_repo.get(db_apis.get_session(), id=loadbalancer_id)
store = {
constants.LOADBALANCER: load_balancer,
constants.LOADBALANCER_ID: loadbalancer_id,
constants.SERVER_GROUP_ID: db_lb.server_group_id,
constants.PROJECT_ID: db_lb.project_id
}
if cascade:
listeners = flow_utils.get_listeners_on_lb(db_lb)
pools = flow_utils.get_pools_on_lb(db_lb)
self.run_flow(flow_utils.get_cascade_delete_load_balancer_flow,
load_balancer,
listeners,
pools,
store=store)
else:
self.run_flow(flow_utils.get_delete_load_balancer_flow,
load_balancer,
store=store)
def update_load_balancer(self, original_load_balancer,
load_balancer_updates):
"""Updates a load balancer.
:param original_load_balancer: Dict of the load balancer to update
:param load_balancer_updates: Dict containing updated load balancer
:returns: None
:raises LBNotFound: The referenced load balancer was not found
"""
store = {
constants.LOADBALANCER:
original_load_balancer,
constants.LOADBALANCER_ID:
original_load_balancer[constants.LOADBALANCER_ID],
constants.UPDATE_DICT:
load_balancer_updates
}
self.run_flow(flow_utils.get_update_load_balancer_flow, store=store)
def create_member(self, member):
"""Creates a pool member.
:param member: A member provider dictionary to create
:returns: None
:raises NoSuitablePool: Unable to find the node pool
"""
pool = self._pool_repo.get(db_apis.get_session(),
id=member[constants.POOL_ID])
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
store = {
constants.MEMBER: member,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb,
constants.POOL_ID: pool.id
}
if load_balancer.availability_zone:
store[constants.AVAILABILITY_ZONE] = (
self._az_repo.get_availability_zone_metadata_dict(
db_apis.get_session(), load_balancer.availability_zone))
else:
store[constants.AVAILABILITY_ZONE] = {}
self.run_flow(flow_utils.get_create_member_flow, store=store)
def delete_member(self, member):
"""Deletes a pool member.
:param member: A member provider dictionary to delete
:returns: None
:raises MemberNotFound: The referenced member was not found
"""
pool = self._pool_repo.get(db_apis.get_session(),
id=member[constants.POOL_ID])
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
store = {
constants.MEMBER: member,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb,
constants.POOL_ID: pool.id,
constants.PROJECT_ID: load_balancer.project_id
}
if load_balancer.availability_zone:
store[constants.AVAILABILITY_ZONE] = (
self._az_repo.get_availability_zone_metadata_dict(
db_apis.get_session(), load_balancer.availability_zone))
else:
store[constants.AVAILABILITY_ZONE] = {}
self.run_flow(flow_utils.get_delete_member_flow, store=store)
def batch_update_members(self, old_members, new_members, updated_members):
updated_members = [(provider_utils.db_member_to_provider_member(
self._member_repo.get(db_apis.get_session(),
id=m.get(constants.ID))).to_dict(), m)
for m in updated_members]
provider_old_members = [
provider_utils.db_member_to_provider_member(
self._member_repo.get(db_apis.get_session(),
id=m.get(constants.ID))).to_dict()
for m in old_members
]
if old_members:
pool = self._pool_repo.get(db_apis.get_session(),
id=old_members[0][constants.POOL_ID])
elif new_members:
pool = self._pool_repo.get(db_apis.get_session(),
id=new_members[0][constants.POOL_ID])
else:
pool = self._pool_repo.get(
db_apis.get_session(),
id=updated_members[0][0][constants.POOL_ID])
load_balancer = pool.load_balancer
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
store = {
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb,
constants.POOL_ID: pool.id,
constants.PROJECT_ID: load_balancer.project_id
}
if load_balancer.availability_zone:
store[constants.AVAILABILITY_ZONE] = (
self._az_repo.get_availability_zone_metadata_dict(
db_apis.get_session(), load_balancer.availability_zone))
else:
store[constants.AVAILABILITY_ZONE] = {}
self.run_flow(flow_utils.get_batch_update_members_flow,
provider_old_members,
new_members,
updated_members,
store=store)
def update_member(self, member, member_updates):
"""Updates a pool member.
:param member_id: A member provider dictionary to update
:param member_updates: Dict containing updated member attributes
:returns: None
:raises MemberNotFound: The referenced member was not found
"""
# TODO(ataraday) when other flows will use dicts - revisit this
pool = self._pool_repo.get(db_apis.get_session(),
id=member[constants.POOL_ID])
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
store = {
constants.MEMBER: member,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb,
constants.POOL_ID: pool.id,
constants.UPDATE_DICT: member_updates
}
if load_balancer.availability_zone:
store[constants.AVAILABILITY_ZONE] = (
self._az_repo.get_availability_zone_metadata_dict(
db_apis.get_session(), load_balancer.availability_zone))
else:
store[constants.AVAILABILITY_ZONE] = {}
self.run_flow(flow_utils.get_update_member_flow, store=store)
@tenacity.retry(retry=tenacity.retry_if_exception_type(
db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(
CONF.haproxy_amphora.api_db_commit_retry_initial_delay,
CONF.haproxy_amphora.api_db_commit_retry_backoff,
CONF.haproxy_amphora.api_db_commit_retry_max),
stop=tenacity.stop_after_attempt(
CONF.haproxy_amphora.api_db_commit_retry_attempts))
def create_pool(self, pool):
"""Creates a node pool.
:param pool: Provider pool dict to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
# TODO(ataraday) It seems we need to get db pool here anyway to get
# proper listeners
db_pool = self._pool_repo.get(db_apis.get_session(),
id=pool[constants.POOL_ID])
if not db_pool:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'pool', pool[constants.POOL_ID])
raise db_exceptions.NoResultFound
load_balancer = db_pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
db_pool.listeners))
store = {
constants.POOL_ID: pool[constants.POOL_ID],
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb
}
self.run_flow(flow_utils.get_create_pool_flow, store=store)
def delete_pool(self, pool):
"""Deletes a node pool.
:param pool: Provider pool dict to delete
:returns: None
:raises PoolNotFound: The referenced pool was not found
"""
db_pool = self._pool_repo.get(db_apis.get_session(),
id=pool[constants.POOL_ID])
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
db_pool.listeners))
load_balancer = db_pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
store = {
constants.POOL_ID: pool[constants.POOL_ID],
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER: provider_lb,
constants.LOADBALANCER_ID: load_balancer.id,
constants.PROJECT_ID: db_pool.project_id
}
self.run_flow(flow_utils.get_delete_pool_flow, store=store)
def update_pool(self, origin_pool, pool_updates):
"""Updates a node pool.
:param origin_pool: Provider pool dict to update
:param pool_updates: Dict containing updated pool attributes
:returns: None
:raises PoolNotFound: The referenced pool was not found
"""
try:
db_pool = self._get_db_obj_until_pending_update(
self._pool_repo, origin_pool[constants.POOL_ID])
except tenacity.RetryError as e:
LOG.warning(
'Pool did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
db_pool = e.last_attempt.result()
load_balancer = db_pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
db_pool.listeners))
store = {
constants.POOL_ID: db_pool.id,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER: provider_lb,
constants.LOADBALANCER_ID: load_balancer.id,
constants.UPDATE_DICT: pool_updates
}
self.run_flow(flow_utils.get_update_pool_flow, store=store)
def create_l7policy(self, l7policy):
"""Creates an L7 Policy.
:param l7policy: Provider dict of the l7policy to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
db_listener = self._listener_repo.get(
db_apis.get_session(), id=l7policy[constants.LISTENER_ID])
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_listener]))
store = {
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: db_listener.load_balancer.id
}
self.run_flow(flow_utils.get_create_l7policy_flow, store=store)
def delete_l7policy(self, l7policy):
"""Deletes an L7 policy.
:param l7policy: Provider dict of the l7policy to delete
:returns: None
:raises L7PolicyNotFound: The referenced l7policy was not found
"""
db_listener = self._listener_repo.get(
db_apis.get_session(), id=l7policy[constants.LISTENER_ID])
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_listener]))
store = {
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: db_listener.load_balancer.id
}
self.run_flow(flow_utils.get_delete_l7policy_flow, store=store)
def update_l7policy(self, original_l7policy, l7policy_updates):
"""Updates an L7 policy.
:param l7policy: Provider dict of the l7policy to update
:param l7policy_updates: Dict containing updated l7policy attributes
:returns: None
:raises L7PolicyNotFound: The referenced l7policy was not found
"""
db_listener = self._listener_repo.get(
db_apis.get_session(), id=original_l7policy[constants.LISTENER_ID])
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_listener]))
store = {
constants.L7POLICY: original_l7policy,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: db_listener.load_balancer.id,
constants.UPDATE_DICT: l7policy_updates
}
self.run_flow(flow_utils.get_update_l7policy_flow, store=store)
def create_l7rule(self, l7rule):
"""Creates an L7 Rule.
:param l7rule: Provider dict l7rule
:returns: None
:raises NoResultFound: Unable to find the object
"""
db_l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7rule[constants.L7POLICY_ID])
load_balancer = db_l7policy.listener.load_balancer
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_l7policy.listener]))
l7policy_dict = provider_utils.db_l7policy_to_provider_l7policy(
db_l7policy)
store = {
constants.L7RULE: l7rule,
constants.L7POLICY: l7policy_dict.to_dict(),
constants.L7POLICY_ID: db_l7policy.id,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id
}
self.run_flow(flow_utils.get_create_l7rule_flow, store=store)
def delete_l7rule(self, l7rule):
"""Deletes an L7 rule.
:param l7rule: Provider dict of the l7rule to delete
:returns: None
:raises L7RuleNotFound: The referenced l7rule was not found
"""
db_l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7rule[constants.L7POLICY_ID])
l7policy = provider_utils.db_l7policy_to_provider_l7policy(db_l7policy)
load_balancer = db_l7policy.listener.load_balancer
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_l7policy.listener]))
store = {
constants.L7RULE: l7rule,
constants.L7POLICY: l7policy.to_dict(),
constants.LISTENERS: listeners_dicts,
constants.L7POLICY_ID: db_l7policy.id,
constants.LOADBALANCER_ID: load_balancer.id
}
self.run_flow(flow_utils.get_delete_l7rule_flow, store=store)
def update_l7rule(self, original_l7rule, l7rule_updates):
"""Updates an L7 rule.
:param l7rule: Origin dict of the l7rule to update
:param l7rule_updates: Dict containing updated l7rule attributes
:returns: None
:raises L7RuleNotFound: The referenced l7rule was not found
"""
db_l7policy = self._l7policy_repo.get(
db_apis.get_session(), id=original_l7rule[constants.L7POLICY_ID])
load_balancer = db_l7policy.listener.load_balancer
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_l7policy.listener]))
l7policy_dict = provider_utils.db_l7policy_to_provider_l7policy(
db_l7policy)
store = {
constants.L7RULE: original_l7rule,
constants.L7POLICY: l7policy_dict.to_dict(),
constants.LISTENERS: listeners_dicts,
constants.L7POLICY_ID: db_l7policy.id,
constants.LOADBALANCER_ID: load_balancer.id,
constants.UPDATE_DICT: l7rule_updates
}
self.run_flow(flow_utils.get_update_l7rule_flow, store=store)
def failover_amphora(self, amphora_id):
"""Perform failover operations for an amphora.
Note: This expects the load balancer to already be in
provisioning_status=PENDING_UPDATE state.
:param amphora_id: ID for amphora to failover
:returns: None
:raises octavia.common.exceptions.NotFound: The referenced amphora was
not found
"""
amphora = None
try:
amphora = self._amphora_repo.get(db_apis.get_session(),
id=amphora_id)
if amphora is None:
LOG.error(
'Amphora failover for amphora %s failed because '
'there is no record of this amphora in the '
'database. Check that the [house_keeping] '
'amphora_expiry_age configuration setting is not '
'too short. Skipping failover.', amphora_id)
raise exceptions.NotFound(resource=constants.AMPHORA,
id=amphora_id)
if amphora.status == constants.DELETED:
LOG.warning(
'Amphora %s is marked DELETED in the database but '
'was submitted for failover. Deleting it from the '
'amphora health table to exclude it from health '
'checks and skipping the failover.', amphora.id)
self._amphora_health_repo.delete(db_apis.get_session(),
amphora_id=amphora.id)
return
loadbalancer = None
if amphora.load_balancer_id:
loadbalancer = self._lb_repo.get(db_apis.get_session(),
id=amphora.load_balancer_id)
lb_amp_count = None
if loadbalancer:
if loadbalancer.topology == constants.TOPOLOGY_ACTIVE_STANDBY:
lb_amp_count = 2
elif loadbalancer.topology == constants.TOPOLOGY_SINGLE:
lb_amp_count = 1
az_metadata = {}
flavor_dict = {}
lb_id = None
vip_dict = {}
server_group_id = None
if loadbalancer:
lb_id = loadbalancer.id
# Even if the LB doesn't have a flavor, create one and
# pass through the topology.
if loadbalancer.flavor_id:
flavor_dict = self._flavor_repo.get_flavor_metadata_dict(
db_apis.get_session(), loadbalancer.flavor_id)
flavor_dict[constants.LOADBALANCER_TOPOLOGY] = (
loadbalancer.topology)
else:
flavor_dict = {
constants.LOADBALANCER_TOPOLOGY: loadbalancer.topology
}
if loadbalancer.availability_zone:
az_metadata = (
self._az_repo.get_availability_zone_metadata_dict(
db_apis.get_session(),
loadbalancer.availability_zone))
vip_dict = loadbalancer.vip.to_dict()
server_group_id = loadbalancer.server_group_id
provider_lb_dict = (
provider_utils.db_loadbalancer_to_provider_loadbalancer
)(loadbalancer).to_dict() if loadbalancer else loadbalancer
stored_params = {
constants.AVAILABILITY_ZONE: az_metadata,
constants.BUILD_TYPE_PRIORITY:
constants.LB_CREATE_FAILOVER_PRIORITY,
constants.FLAVOR: flavor_dict,
constants.LOADBALANCER: provider_lb_dict,
constants.SERVER_GROUP_ID: server_group_id,
constants.LOADBALANCER_ID: lb_id,
constants.VIP: vip_dict
}
self.run_flow(flow_utils.get_failover_amphora_flow,
amphora.to_dict(),
lb_amp_count,
store=stored_params,
wait=True)
LOG.info(
"Successfully completed the failover for an amphora: %s", {
"id": amphora_id,
"load_balancer_id": lb_id,
"lb_network_ip": amphora.lb_network_ip,
"compute_id": amphora.compute_id,
"role": amphora.role
})
except Exception as e:
with excutils.save_and_reraise_exception(reraise=False):
LOG.exception("Amphora %s failover exception: %s", amphora_id,
str(e))
self._amphora_repo.update(db_apis.get_session(),
amphora_id,
status=constants.ERROR)
if amphora and amphora.load_balancer_id:
self._lb_repo.update(db_apis.get_session(),
amphora.load_balancer_id,
provisioning_status=constants.ERROR)
@staticmethod
def _get_amphorae_for_failover(load_balancer):
"""Returns an ordered list of amphora to failover.
:param load_balancer: The load balancer being failed over.
:returns: An ordered list of amphora to failover,
first amp to failover is last in the list
:raises octavia.common.exceptions.InvalidTopology: LB has an unknown
topology.
"""
if load_balancer.topology == constants.TOPOLOGY_SINGLE:
# In SINGLE topology, amp failover order does not matter
return [
a.to_dict() for a in load_balancer.amphorae
if a.status != constants.DELETED
]
if load_balancer.topology == constants.TOPOLOGY_ACTIVE_STANDBY:
# In Active/Standby we should preference the standby amp
# for failover first in case the Active is still able to pass
# traffic.
# Note: The active amp can switch at any time and in less than a
# second, so this is "best effort".
amphora_driver = utils.get_amphora_driver()
timeout_dict = {
constants.CONN_MAX_RETRIES:
CONF.haproxy_amphora.failover_connection_max_retries,
constants.CONN_RETRY_INTERVAL:
CONF.haproxy_amphora.failover_connection_retry_interval
}
amps = []
selected_amp = None
for amp in load_balancer.amphorae:
if amp.status == constants.DELETED:
continue
if selected_amp is None:
try:
if amphora_driver.get_interface_from_ip(
amp, load_balancer.vip.ip_address,
timeout_dict):
# This is a potential ACTIVE, add it to the list
amps.append(amp.to_dict())
else:
# This one doesn't have the VIP IP, so start
# failovers here.
selected_amp = amp
LOG.debug(
"Selected amphora %s as the initial "
"failover amphora.", amp.id)
except Exception:
# This amphora is broken, so start failovers here.
selected_amp = amp
else:
# We have already found a STANDBY, so add the rest to the
# list without querying them.
amps.append(amp.to_dict())
# Put the selected amphora at the end of the list so it is
# first to failover.
if selected_amp:
amps.append(selected_amp.to_dict())
return amps
LOG.error(
'Unknown load balancer topology found: %s, aborting '
'failover.', load_balancer.topology)
raise exceptions.InvalidTopology(topology=load_balancer.topology)
def failover_loadbalancer(self, load_balancer_id):
"""Perform failover operations for a load balancer.
Note: This expects the load balancer to already be in
provisioning_status=PENDING_UPDATE state.
:param load_balancer_id: ID for load balancer to failover
:returns: None
:raises octavia.commom.exceptions.NotFound: The load balancer was not
found.
"""
try:
lb = self._lb_repo.get(db_apis.get_session(), id=load_balancer_id)
if lb is None:
raise exceptions.NotFound(resource=constants.LOADBALANCER,
id=load_balancer_id)
# Get the ordered list of amphorae to failover for this LB.
amps = self._get_amphorae_for_failover(lb)
if lb.topology == constants.TOPOLOGY_SINGLE:
if len(amps) != 1:
LOG.warning(
'%d amphorae found on load balancer %s where '
'one should exist. Repairing.', len(amps),
load_balancer_id)
elif lb.topology == constants.TOPOLOGY_ACTIVE_STANDBY:
if len(amps) != 2:
LOG.warning(
'%d amphorae found on load balancer %s where '
'two should exist. Repairing.', len(amps),
load_balancer_id)
else:
LOG.error(
'Unknown load balancer topology found: %s, aborting '
'failover!', lb.topology)
raise exceptions.InvalidTopology(topology=lb.topology)
# We must provide a topology in the flavor definition
# here for the amphora to be created with the correct
# configuration.
if lb.flavor_id:
flavor = self._flavor_repo.get_flavor_metadata_dict(
db_apis.get_session(), lb.flavor_id)
flavor[constants.LOADBALANCER_TOPOLOGY] = lb.topology
else:
flavor = {constants.LOADBALANCER_TOPOLOGY: lb.topology}
provider_lb_dict = (
provider_utils.db_loadbalancer_to_provider_loadbalancer(
lb).to_dict() if lb else lb)
provider_lb_dict[constants.FLAVOR] = flavor
stored_params = {
constants.LOADBALANCER: provider_lb_dict,
constants.BUILD_TYPE_PRIORITY:
constants.LB_CREATE_FAILOVER_PRIORITY,
constants.SERVER_GROUP_ID: lb.server_group_id,
constants.LOADBALANCER_ID: lb.id,
constants.FLAVOR: flavor
}
if lb.availability_zone:
stored_params[constants.AVAILABILITY_ZONE] = (
self._az_repo.get_availability_zone_metadata_dict(
db_apis.get_session(), lb.availability_zone))
else:
stored_params[constants.AVAILABILITY_ZONE] = {}
self.run_flow(flow_utils.get_failover_LB_flow,
amps,
provider_lb_dict,
store=stored_params,
wait=True)
LOG.info('Failover of load balancer %s completed successfully.',
lb.id)
except Exception as e:
with excutils.save_and_reraise_exception(reraise=False):
LOG.exception("LB %(lbid)s failover exception: %(exc)s", {
'lbid': load_balancer_id,
'exc': str(e)
})
self._lb_repo.update(db_apis.get_session(),
load_balancer_id,
provisioning_status=constants.ERROR)
def amphora_cert_rotation(self, amphora_id):
"""Perform cert rotation for an amphora.
:param amphora_id: ID for amphora to rotate
:returns: None
:raises AmphoraNotFound: The referenced amphora was not found
"""
amp = self._amphora_repo.get(db_apis.get_session(), id=amphora_id)
LOG.info("Start amphora cert rotation, amphora's id is: %s",
amphora_id)
store = {
constants.AMPHORA: amp.to_dict(),
constants.AMPHORA_ID: amphora_id
}
self.run_flow(flow_utils.cert_rotate_amphora_flow, store=store)
LOG.info("Finished amphora cert rotation, amphora's id was: %s",
amphora_id)
def update_amphora_agent_config(self, amphora_id):
"""Update the amphora agent configuration.
Note: This will update the amphora agent configuration file and
update the running configuration for mutatable configuration
items.
:param amphora_id: ID of the amphora to update.
:returns: None
"""
LOG.info(
"Start amphora agent configuration update, amphora's id "
"is: %s", amphora_id)
amp = self._amphora_repo.get(db_apis.get_session(), id=amphora_id)
lb = self._amphora_repo.get_lb_for_amphora(db_apis.get_session(),
amphora_id)
flavor = {}
if lb.flavor_id:
flavor = self._flavor_repo.get_flavor_metadata_dict(
db_apis.get_session(), lb.flavor_id)
store = {constants.AMPHORA: amp.to_dict(), constants.FLAVOR: flavor}
self.run_flow(flow_utils.update_amphora_config_flow, store=store)
LOG.info(
"Finished amphora agent configuration update, amphora's id "
"was: %s", amphora_id)
class LoadBalancerBaseTest(test.BaseTestCase):
"""Base class for load balancer tests."""
# Setup cls.os_roles_lb_member. cls.os_primary, cls.os_roles_lb_member,
# and cls.os_roles_lb_admin credentials.
credentials = ['admin', ['lb_member', CONF.load_balancer.member_role]]
client_manager = clients.ManagerV2
webserver1_response = 1
webserver2_response = 5
used_ips = []
@classmethod
def skip_checks(cls):
"""Check if we should skip all of the children tests."""
super(LoadBalancerBaseTest, cls).skip_checks()
service_list = {
'load_balancer': CONF.service_available.load_balancer,
}
live_service_list = {
'compute': CONF.service_available.nova,
'image': CONF.service_available.glance,
'neutron': CONF.service_available.neutron
}
if not CONF.load_balancer.test_with_noop:
service_list.update(live_service_list)
for service, available in service_list.items():
if not available:
skip_msg = ("{0} skipped as {1} service is not "
"available.".format(cls.__name__, service))
raise cls.skipException(skip_msg)
# We must be able to reach our VIP and instances
if not (CONF.network.project_networks_reachable
or CONF.network.public_network_id):
msg = ('Either project_networks_reachable must be "true", or '
'public_network_id must be defined.')
raise cls.skipException(msg)
@classmethod
def setup_credentials(cls):
"""Setup test credentials and network resources."""
# Do not auto create network resources
cls.set_network_resources()
super(LoadBalancerBaseTest, cls).setup_credentials()
@classmethod
def setup_clients(cls):
"""Setup client aliases."""
super(LoadBalancerBaseTest, cls).setup_clients()
cls.lb_mem_float_ip_client = cls.os_roles_lb_member.floating_ips_client
cls.lb_mem_keypairs_client = cls.os_roles_lb_member.keypairs_client
cls.lb_mem_net_client = cls.os_roles_lb_member.networks_client
cls.lb_mem_ports_client = cls.os_roles_lb_member.ports_client
cls.lb_mem_routers_client = cls.os_roles_lb_member.routers_client
cls.lb_mem_SG_client = cls.os_roles_lb_member.security_groups_client
cls.lb_mem_SGr_client = (
cls.os_roles_lb_member.security_group_rules_client)
cls.lb_mem_servers_client = cls.os_roles_lb_member.servers_client
cls.lb_mem_subnet_client = cls.os_roles_lb_member.subnets_client
cls.mem_lb_client = cls.os_roles_lb_member.loadbalancer_client
cls.mem_listener_client = cls.os_roles_lb_member.listener_client
cls.mem_pool_client = cls.os_roles_lb_member.pool_client
cls.mem_member_client = cls.os_roles_lb_member.member_client
cls.mem_healthmonitor_client = (
cls.os_roles_lb_member.healthmonitor_client)
cls.mem_l7policy_client = cls.os_roles_lb_member.l7policy_client
cls.mem_l7rule_client = cls.os_roles_lb_member.l7rule_client
cls.lb_admin_amphora_client = cls.os_admin.amphora_client
cls.lb_admin_flavor_profile_client = (
cls.os_admin.flavor_profile_client)
cls.lb_admin_flavor_client = cls.os_admin.flavor_client
cls.mem_flavor_client = cls.os_roles_lb_member.flavor_client
cls.mem_provider_client = cls.os_roles_lb_member.provider_client
cls.os_admin_servers_client = cls.os_admin.servers_client
cls.lb_admin_capabilities_client = (
cls.os_admin.flavor_capabilities_client)
@classmethod
def resource_setup(cls):
"""Setup resources needed by the tests."""
super(LoadBalancerBaseTest, cls).resource_setup()
conf_lb = CONF.load_balancer
cls.api_version = cls.mem_lb_client.get_max_api_version()
if conf_lb.test_subnet_override and not conf_lb.test_network_override:
raise exceptions.InvalidConfiguration(
"Configuration value test_network_override must be "
"specified if test_subnet_override is used.")
show_subnet = cls.lb_mem_subnet_client.show_subnet
if CONF.load_balancer.test_with_noop:
cls.lb_member_vip_net = {'id': uuidutils.generate_uuid()}
cls.lb_member_vip_subnet = {'id': uuidutils.generate_uuid()}
cls.lb_member_1_net = {'id': uuidutils.generate_uuid()}
cls.lb_member_1_subnet = {'id': uuidutils.generate_uuid()}
cls.lb_member_2_net = {'id': uuidutils.generate_uuid()}
cls.lb_member_2_subnet = {'id': uuidutils.generate_uuid()}
if CONF.load_balancer.test_with_ipv6:
cls.lb_member_vip_ipv6_net = {'id': uuidutils.generate_uuid()}
cls.lb_member_vip_ipv6_subnet = {
'id': uuidutils.generate_uuid()
}
cls.lb_member_1_ipv6_subnet = {'id': uuidutils.generate_uuid()}
cls.lb_member_2_ipv6_subnet = {'id': uuidutils.generate_uuid()}
cls.lb_member_vip_ipv6_subnet_stateful = True
return
elif CONF.load_balancer.test_network_override:
if conf_lb.test_subnet_override:
override_subnet = show_subnet(conf_lb.test_subnet_override)
else:
override_subnet = None
show_net = cls.lb_mem_net_client.show_network
override_network = show_net(conf_lb.test_network_override)
override_network = override_network.get('network')
cls.lb_member_vip_net = override_network
cls.lb_member_vip_subnet = override_subnet
cls.lb_member_1_net = override_network
cls.lb_member_1_subnet = override_subnet
cls.lb_member_2_net = override_network
cls.lb_member_2_subnet = override_subnet
if (CONF.load_balancer.test_with_ipv6
and conf_lb.test_IPv6_subnet_override):
override_ipv6_subnet = show_subnet(
conf_lb.test_IPv6_subnet_override)
cls.lb_member_vip_ipv6_subnet = override_ipv6_subnet
cls.lb_member_1_ipv6_subnet = override_ipv6_subnet
cls.lb_member_2_ipv6_subnet = override_ipv6_subnet
cls.lb_member_vip_ipv6_subnet_stateful = False
if (override_ipv6_subnet[0]['ipv6_address_mode'] ==
'dhcpv6-stateful'):
cls.lb_member_vip_ipv6_subnet_stateful = True
else:
cls.lb_member_vip_ipv6_subnet = None
cls.lb_member_1_ipv6_subnet = None
cls.lb_member_2_ipv6_subnet = None
else:
cls._create_networks()
LOG.debug('Octavia Setup: lb_member_vip_net = {}'.format(
cls.lb_member_vip_net[const.ID]))
if cls.lb_member_vip_subnet:
LOG.debug('Octavia Setup: lb_member_vip_subnet = {}'.format(
cls.lb_member_vip_subnet[const.ID]))
LOG.debug('Octavia Setup: lb_member_1_net = {}'.format(
cls.lb_member_1_net[const.ID]))
if cls.lb_member_1_subnet:
LOG.debug('Octavia Setup: lb_member_1_subnet = {}'.format(
cls.lb_member_1_subnet[const.ID]))
LOG.debug('Octavia Setup: lb_member_2_net = {}'.format(
cls.lb_member_2_net[const.ID]))
if cls.lb_member_2_subnet:
LOG.debug('Octavia Setup: lb_member_2_subnet = {}'.format(
cls.lb_member_2_subnet[const.ID]))
if CONF.load_balancer.test_with_ipv6:
if cls.lb_member_vip_ipv6_subnet:
LOG.debug('Octavia Setup: lb_member_vip_ipv6_subnet = '
'{}'.format(cls.lb_member_vip_ipv6_subnet[const.ID]))
if cls.lb_member_1_ipv6_subnet:
LOG.debug('Octavia Setup: lb_member_1_ipv6_subnet = {}'.format(
cls.lb_member_1_ipv6_subnet[const.ID]))
if cls.lb_member_2_ipv6_subnet:
LOG.debug('Octavia Setup: lb_member_2_ipv6_subnet = {}'.format(
cls.lb_member_2_ipv6_subnet[const.ID]))
@classmethod
# Neutron can be slow to clean up ports from the subnets/networks.
# Retry this delete a few times if we get a "Conflict" error to give
# neutron time to fully cleanup the ports.
@tenacity.retry(
retry=tenacity.retry_if_exception_type(exceptions.Conflict),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def _logging_delete_network(cls, net_id):
try:
cls.lb_mem_net_client.delete_network(net_id)
except Exception:
LOG.error(
'Unable to delete network {}. Active ports:'.format(net_id))
LOG.error(cls.lb_mem_ports_client.list_ports())
raise
@classmethod
# Neutron can be slow to clean up ports from the subnets/networks.
# Retry this delete a few times if we get a "Conflict" error to give
# neutron time to fully cleanup the ports.
@tenacity.retry(
retry=tenacity.retry_if_exception_type(exceptions.Conflict),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def _logging_delete_subnet(cls, subnet_id):
try:
cls.lb_mem_subnet_client.delete_subnet(subnet_id)
except Exception:
LOG.error(
'Unable to delete subnet {}. Active ports:'.format(subnet_id))
LOG.error(cls.lb_mem_ports_client.list_ports())
raise
@classmethod
def _create_networks(cls):
"""Creates networks, subnets, and routers used in tests.
The following are expected to be defined and available to the tests:
cls.lb_member_vip_net
cls.lb_member_vip_subnet
cls.lb_member_vip_ipv6_subnet (optional)
cls.lb_member_1_net
cls.lb_member_1_subnet
cls.lb_member_1_ipv6_subnet (optional)
cls.lb_member_2_net
cls.lb_member_2_subnet
cls.lb_member_2_ipv6_subnet (optional)
"""
# Create tenant VIP network
network_kwargs = {
'name': data_utils.rand_name("lb_member_vip_network")
}
if CONF.network_feature_enabled.port_security:
# Note: Allowed Address Pairs requires port security
network_kwargs['port_security_enabled'] = True
result = cls.lb_mem_net_client.create_network(**network_kwargs)
cls.lb_member_vip_net = result['network']
LOG.info('lb_member_vip_net: {}'.format(cls.lb_member_vip_net))
cls.addClassResourceCleanup(waiters.wait_for_not_found,
cls._logging_delete_network,
cls.lb_mem_net_client.show_network,
cls.lb_member_vip_net['id'])
# Create tenant VIP subnet
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_vip_subnet"),
'network_id': cls.lb_member_vip_net['id'],
'cidr': CONF.load_balancer.vip_subnet_cidr,
'ip_version': 4
}
result = cls.lb_mem_subnet_client.create_subnet(**subnet_kwargs)
cls.lb_member_vip_subnet = result['subnet']
LOG.info('lb_member_vip_subnet: {}'.format(cls.lb_member_vip_subnet))
cls.addClassResourceCleanup(waiters.wait_for_not_found,
cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_vip_subnet['id'])
# Create tenant VIP IPv6 subnet
if CONF.load_balancer.test_with_ipv6:
# See if ipv6-private-subnet exists and use it if so.
priv_ipv6_subnet = cls.os_admin.subnets_client.list_subnets(
name='ipv6-private-subnet')['subnets']
cls.lb_member_vip_ipv6_subnet_stateful = False
if len(priv_ipv6_subnet) == 1:
if (priv_ipv6_subnet[0]['ipv6_address_mode'] ==
'dhcpv6-stateful'):
cls.lb_member_vip_ipv6_subnet_stateful = True
cls.lb_member_vip_ipv6_subnet = priv_ipv6_subnet[0]
cls.lb_member_vip_ipv6_net = {
'id': priv_ipv6_subnet[0]['network_id']
}
else:
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_vip_ipv6_subnet"),
'network_id': cls.lb_member_vip_net['id'],
'cidr': CONF.load_balancer.vip_ipv6_subnet_cidr,
'ip_version': 6
}
result = cls.lb_mem_subnet_client.create_subnet(
**subnet_kwargs)
cls.lb_member_vip_ipv6_net = cls.lb_member_vip_net
cls.lb_member_vip_ipv6_subnet = result['subnet']
cls.addClassResourceCleanup(
waiters.wait_for_not_found, cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_vip_ipv6_subnet['id'])
LOG.info('lb_member_vip_ipv6_subnet: {}'.format(
cls.lb_member_vip_ipv6_subnet))
# Create tenant member 1 network
network_kwargs = {'name': data_utils.rand_name("lb_member_1_network")}
if CONF.network_feature_enabled.port_security:
if CONF.load_balancer.enable_security_groups:
network_kwargs['port_security_enabled'] = True
else:
network_kwargs['port_security_enabled'] = False
result = cls.lb_mem_net_client.create_network(**network_kwargs)
cls.lb_member_1_net = result['network']
LOG.info('lb_member_1_net: {}'.format(cls.lb_member_1_net))
cls.addClassResourceCleanup(waiters.wait_for_not_found,
cls._logging_delete_network,
cls.lb_mem_net_client.show_network,
cls.lb_member_1_net['id'])
# Create tenant member 1 subnet
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_1_subnet"),
'network_id': cls.lb_member_1_net['id'],
'cidr': CONF.load_balancer.member_1_ipv4_subnet_cidr,
'ip_version': 4
}
result = cls.lb_mem_subnet_client.create_subnet(**subnet_kwargs)
cls.lb_member_1_subnet = result['subnet']
LOG.info('lb_member_1_subnet: {}'.format(cls.lb_member_1_subnet))
cls.addClassResourceCleanup(waiters.wait_for_not_found,
cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_1_subnet['id'])
# Create tenant member 1 ipv6 subnet
if CONF.load_balancer.test_with_ipv6:
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_1_ipv6_subnet"),
'network_id': cls.lb_member_1_net['id'],
'cidr': CONF.load_balancer.member_1_ipv6_subnet_cidr,
'ip_version': 6
}
result = cls.lb_mem_subnet_client.create_subnet(**subnet_kwargs)
cls.lb_member_1_subnet_prefix = (
CONF.load_balancer.member_1_ipv6_subnet_cidr.rpartition('/')[2]
)
assert (cls.lb_member_1_subnet_prefix.isdigit())
cls.lb_member_1_ipv6_subnet = result['subnet']
LOG.info('lb_member_1_ipv6_subnet: {}'.format(
cls.lb_member_1_ipv6_subnet))
cls.addClassResourceCleanup(waiters.wait_for_not_found,
cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_1_ipv6_subnet['id'])
# Create tenant member 2 network
network_kwargs = {'name': data_utils.rand_name("lb_member_2_network")}
if CONF.network_feature_enabled.port_security:
if CONF.load_balancer.enable_security_groups:
network_kwargs['port_security_enabled'] = True
else:
network_kwargs['port_security_enabled'] = False
result = cls.lb_mem_net_client.create_network(**network_kwargs)
cls.lb_member_2_net = result['network']
LOG.info('lb_member_2_net: {}'.format(cls.lb_member_2_net))
cls.addClassResourceCleanup(waiters.wait_for_not_found,
cls._logging_delete_network,
cls.lb_mem_net_client.show_network,
cls.lb_member_2_net['id'])
# Create tenant member 2 subnet
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_2_subnet"),
'network_id': cls.lb_member_2_net['id'],
'cidr': CONF.load_balancer.member_2_ipv4_subnet_cidr,
'ip_version': 4
}
result = cls.lb_mem_subnet_client.create_subnet(**subnet_kwargs)
cls.lb_member_2_subnet = result['subnet']
LOG.info('lb_member_2_subnet: {}'.format(cls.lb_member_2_subnet))
cls.addClassResourceCleanup(waiters.wait_for_not_found,
cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_2_subnet['id'])
# Create tenant member 2 ipv6 subnet
if CONF.load_balancer.test_with_ipv6:
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_2_ipv6_subnet"),
'network_id': cls.lb_member_2_net['id'],
'cidr': CONF.load_balancer.member_2_ipv6_subnet_cidr,
'ip_version': 6
}
result = cls.lb_mem_subnet_client.create_subnet(**subnet_kwargs)
cls.lb_member_2_subnet_prefix = (
CONF.load_balancer.member_2_ipv6_subnet_cidr.rpartition('/')[2]
)
assert (cls.lb_member_2_subnet_prefix.isdigit())
cls.lb_member_2_ipv6_subnet = result['subnet']
LOG.info('lb_member_2_ipv6_subnet: {}'.format(
cls.lb_member_2_ipv6_subnet))
cls.addClassResourceCleanup(waiters.wait_for_not_found,
cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_2_ipv6_subnet['id'])
@classmethod
def _setup_lb_network_kwargs(cls,
lb_kwargs,
ip_version=None,
use_fixed_ip=False):
if not ip_version:
ip_version = 6 if CONF.load_balancer.test_with_ipv6 else 4
if cls.lb_member_vip_subnet or cls.lb_member_vip_ipv6_subnet:
ip_index = data_utils.rand_int_id(start=10, end=100)
while ip_index in cls.used_ips:
ip_index = data_utils.rand_int_id(start=10, end=100)
cls.used_ips.append(ip_index)
if ip_version == 4:
subnet_id = cls.lb_member_vip_subnet[const.ID]
if CONF.load_balancer.test_with_noop:
lb_vip_address = '198.18.33.33'
else:
subnet = cls.os_admin.subnets_client.show_subnet(subnet_id)
network = ipaddress.IPv4Network(subnet['subnet']['cidr'])
lb_vip_address = str(network[ip_index])
else:
subnet_id = cls.lb_member_vip_ipv6_subnet[const.ID]
if CONF.load_balancer.test_with_noop:
lb_vip_address = '2001:db8:33:33:33:33:33:33'
else:
subnet = cls.os_admin.subnets_client.show_subnet(subnet_id)
network = ipaddress.IPv6Network(subnet['subnet']['cidr'])
lb_vip_address = str(network[ip_index])
# If the subnet is IPv6 slaac or dhcpv6-stateless
# neutron does not allow a fixed IP
if not cls.lb_member_vip_ipv6_subnet_stateful:
use_fixed_ip = False
lb_kwargs[const.VIP_SUBNET_ID] = subnet_id
if use_fixed_ip:
lb_kwargs[const.VIP_ADDRESS] = lb_vip_address
if CONF.load_balancer.test_with_noop:
lb_kwargs[const.VIP_NETWORK_ID] = (
cls.lb_member_vip_net[const.ID])
else:
lb_kwargs[const.VIP_NETWORK_ID] = cls.lb_member_vip_net[const.ID]
lb_kwargs[const.VIP_SUBNET_ID] = None
class ControllerWorker(base_taskflow.BaseTaskFlowEngine):
def __init__(self):
self._amphora_flows = amphora_flows.AmphoraFlows()
self._health_monitor_flows = health_monitor_flows.HealthMonitorFlows()
self._lb_flows = load_balancer_flows.LoadBalancerFlows()
self._listener_flows = listener_flows.ListenerFlows()
self._member_flows = member_flows.MemberFlows()
self._pool_flows = pool_flows.PoolFlows()
self._l7policy_flows = l7policy_flows.L7PolicyFlows()
self._l7rule_flows = l7rule_flows.L7RuleFlows()
self._amphora_repo = repo.AmphoraRepository()
self._amphora_health_repo = repo.AmphoraHealthRepository()
self._health_mon_repo = repo.HealthMonitorRepository()
self._lb_repo = repo.LoadBalancerRepository()
self._listener_repo = repo.ListenerRepository()
self._member_repo = repo.MemberRepository()
self._pool_repo = repo.PoolRepository()
self._l7policy_repo = repo.L7PolicyRepository()
self._l7rule_repo = repo.L7RuleRepository()
self._flavor_repo = repo.FlavorRepository()
self._az_repo = repo.AvailabilityZoneRepository()
super(ControllerWorker, self).__init__()
@tenacity.retry(
retry=(tenacity.retry_if_result(_is_provisioning_status_pending_update)
| tenacity.retry_if_exception_type()),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def _get_db_obj_until_pending_update(self, repo, id):
return repo.get(db_apis.get_session(), id=id)
def create_amphora(self, availability_zone=None):
"""Creates an Amphora.
This is used to create spare amphora.
:returns: amphora_id
"""
try:
store = {
constants.BUILD_TYPE_PRIORITY:
constants.LB_CREATE_SPARES_POOL_PRIORITY,
constants.FLAVOR: None,
constants.AVAILABILITY_ZONE: None
}
if availability_zone:
store[constants.AVAILABILITY_ZONE] = (
self._az_repo.get_availability_zone_metadata_dict(
db_apis.get_session(), availability_zone))
create_amp_tf = self._taskflow_load(
self._amphora_flows.get_create_amphora_flow(), store=store)
with tf_logging.DynamicLoggingListener(create_amp_tf, log=LOG):
create_amp_tf.run()
return create_amp_tf.storage.fetch('amphora')
except Exception as e:
LOG.error('Failed to create an amphora due to: {}'.format(str(e)))
def delete_amphora(self, amphora_id):
"""Deletes an existing Amphora.
:param amphora_id: ID of the amphora to delete
:returns: None
:raises AmphoraNotFound: The referenced Amphora was not found
"""
amphora = self._amphora_repo.get(db_apis.get_session(), id=amphora_id)
delete_amp_tf = self._taskflow_load(
self._amphora_flows.get_delete_amphora_flow(),
store={constants.AMPHORA: amphora.to_dict()})
with tf_logging.DynamicLoggingListener(delete_amp_tf, log=LOG):
delete_amp_tf.run()
def create_health_monitor(self, health_monitor):
"""Creates a health monitor.
:param health_monitor: Provider health monitor dict
:returns: None
:raises NoResultFound: Unable to find the object
"""
db_health_monitor = self._health_mon_repo.get(
db_apis.get_session(),
id=health_monitor[constants.HEALTHMONITOR_ID])
pool = db_health_monitor.pool
pool.health_monitor = db_health_monitor
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
create_hm_tf = self._taskflow_load(
self._health_monitor_flows.get_create_health_monitor_flow(),
store={
constants.HEALTH_MON: health_monitor,
constants.POOL_ID: pool.id,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb
})
with tf_logging.DynamicLoggingListener(create_hm_tf, log=LOG):
create_hm_tf.run()
def delete_health_monitor(self, health_monitor):
"""Deletes a health monitor.
:param health_monitor: Provider health monitor dict
:returns: None
:raises HMNotFound: The referenced health monitor was not found
"""
db_health_monitor = self._health_mon_repo.get(
db_apis.get_session(),
id=health_monitor[constants.HEALTHMONITOR_ID])
pool = db_health_monitor.pool
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
delete_hm_tf = self._taskflow_load(
self._health_monitor_flows.get_delete_health_monitor_flow(),
store={
constants.HEALTH_MON: health_monitor,
constants.POOL_ID: pool.id,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb,
constants.PROJECT_ID: load_balancer.project_id
})
with tf_logging.DynamicLoggingListener(delete_hm_tf, log=LOG):
delete_hm_tf.run()
def update_health_monitor(self, original_health_monitor,
health_monitor_updates):
"""Updates a health monitor.
:param original_health_monitor: Provider health monitor dict
:param health_monitor_updates: Dict containing updated health monitor
:returns: None
:raises HMNotFound: The referenced health monitor was not found
"""
try:
db_health_monitor = self._get_db_obj_until_pending_update(
self._health_mon_repo,
original_health_monitor[constants.HEALTHMONITOR_ID])
except tenacity.RetryError as e:
LOG.warning(
'Health monitor did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
db_health_monitor = e.last_attempt.result()
pool = db_health_monitor.pool
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
update_hm_tf = self._taskflow_load(
self._health_monitor_flows.get_update_health_monitor_flow(),
store={
constants.HEALTH_MON: original_health_monitor,
constants.POOL_ID: pool.id,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb,
constants.UPDATE_DICT: health_monitor_updates
})
with tf_logging.DynamicLoggingListener(update_hm_tf, log=LOG):
update_hm_tf.run()
def create_listener(self, listener):
"""Creates a listener.
:param listener: A listener provider dictionary.
:returns: None
:raises NoResultFound: Unable to find the object
"""
db_listener = self._listener_repo.get(
db_apis.get_session(), id=listener[constants.LISTENER_ID])
if not db_listener:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'listener', listener[constants.LISTENER_ID])
raise db_exceptions.NoResultFound
load_balancer = db_listener.load_balancer
listeners = load_balancer.listeners
dict_listeners = []
for l in listeners:
dict_listeners.append(
provider_utils.db_listener_to_provider_listener(l).to_dict())
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
create_listener_tf = self._taskflow_load(
self._listener_flows.get_create_listener_flow(),
store={
constants.LISTENERS: dict_listeners,
constants.LOADBALANCER: provider_lb,
constants.LOADBALANCER_ID: load_balancer.id
})
with tf_logging.DynamicLoggingListener(create_listener_tf, log=LOG):
create_listener_tf.run()
def delete_listener(self, listener):
"""Deletes a listener.
:param listener: A listener provider dictionary to delete
:returns: None
:raises ListenerNotFound: The referenced listener was not found
"""
# TODO(johnsom) Remove once the provider data model includes
# the project ID
lb = self._lb_repo.get(db_apis.get_session(),
id=listener[constants.LOADBALANCER_ID])
delete_listener_tf = self._taskflow_load(
self._listener_flows.get_delete_listener_flow(),
store={
constants.LISTENER: listener,
constants.LOADBALANCER_ID: listener[constants.LOADBALANCER_ID],
constants.PROJECT_ID: lb.project_id
})
with tf_logging.DynamicLoggingListener(delete_listener_tf, log=LOG):
delete_listener_tf.run()
def update_listener(self, listener, listener_updates):
"""Updates a listener.
:param listener: A listener provider dictionary to update
:param listener_updates: Dict containing updated listener attributes
:returns: None
:raises ListenerNotFound: The referenced listener was not found
"""
db_lb = self._lb_repo.get(db_apis.get_session(),
id=listener[constants.LOADBALANCER_ID])
update_listener_tf = self._taskflow_load(
self._listener_flows.get_update_listener_flow(),
store={
constants.LISTENER: listener,
constants.UPDATE_DICT: listener_updates,
constants.LOADBALANCER_ID: db_lb.id,
constants.LISTENERS: [listener]
})
with tf_logging.DynamicLoggingListener(update_listener_tf, log=LOG):
update_listener_tf.run()
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_load_balancer(self,
loadbalancer,
flavor=None,
availability_zone=None):
"""Creates a load balancer by allocating Amphorae.
First tries to allocate an existing Amphora in READY state.
If none are available it will attempt to build one specifically
for this load balancer.
:param loadbalancer: The dict of load balancer to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
lb = self._lb_repo.get(db_apis.get_session(),
id=loadbalancer[constants.LOADBALANCER_ID])
if not lb:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'load_balancer',
loadbalancer[constants.LOADBALANCER_ID])
raise db_exceptions.NoResultFound
# TODO(johnsom) convert this to octavia_lib constant flavor
# once octavia is transitioned to use octavia_lib
store = {
constants.LOADBALANCER_ID: loadbalancer[constants.LOADBALANCER_ID],
constants.BUILD_TYPE_PRIORITY: constants.LB_CREATE_NORMAL_PRIORITY,
constants.FLAVOR: flavor,
constants.AVAILABILITY_ZONE: availability_zone
}
topology = lb.topology
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
lb.listeners))
store[constants.UPDATE_DICT] = {constants.TOPOLOGY: topology}
create_lb_flow = self._lb_flows.get_create_load_balancer_flow(
topology=topology, listeners=listeners_dicts)
create_lb_tf = self._taskflow_load(create_lb_flow, store=store)
with tf_logging.DynamicLoggingListener(create_lb_tf, log=LOG):
create_lb_tf.run()
def delete_load_balancer(self, load_balancer, cascade=False):
"""Deletes a load balancer by de-allocating Amphorae.
:param load_balancer: Dict of the load balancer to delete
:returns: None
:raises LBNotFound: The referenced load balancer was not found
"""
db_lb = self._lb_repo.get(db_apis.get_session(),
id=load_balancer[constants.LOADBALANCER_ID])
store = {}
if cascade:
flow = self._lb_flows.get_cascade_delete_load_balancer_flow(
load_balancer)
store.update(self._lb_flows.get_delete_pools_store(db_lb))
store.update(self._lb_flows.get_delete_listeners_store(db_lb))
else:
flow = self._lb_flows.get_delete_load_balancer_flow(load_balancer)
store.update({
constants.LOADBALANCER: load_balancer,
constants.SERVER_GROUP_ID: db_lb.server_group_id,
constants.PROJECT_ID: db_lb.project_id
})
delete_lb_tf = self._taskflow_load(flow, store=store)
with tf_logging.DynamicLoggingListener(delete_lb_tf, log=LOG):
delete_lb_tf.run()
def update_load_balancer(self, original_load_balancer,
load_balancer_updates):
"""Updates a load balancer.
:param original_load_balancer: Dict of the load balancer to update
:param load_balancer_updates: Dict containing updated load balancer
:returns: None
:raises LBNotFound: The referenced load balancer was not found
"""
update_lb_tf = self._taskflow_load(
self._lb_flows.get_update_load_balancer_flow(),
store={
constants.LOADBALANCER:
original_load_balancer,
constants.LOADBALANCER_ID:
original_load_balancer[constants.LOADBALANCER_ID],
constants.UPDATE_DICT:
load_balancer_updates
})
with tf_logging.DynamicLoggingListener(update_lb_tf, log=LOG):
update_lb_tf.run()
def create_member(self, member):
"""Creates a pool member.
:param member: A member provider dictionary to create
:returns: None
:raises NoSuitablePool: Unable to find the node pool
"""
pool = self._pool_repo.get(db_apis.get_session(),
id=member[constants.POOL_ID])
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
create_member_tf = self._taskflow_load(
self._member_flows.get_create_member_flow(),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb,
constants.POOL_ID: pool.id
})
with tf_logging.DynamicLoggingListener(create_member_tf, log=LOG):
create_member_tf.run()
def delete_member(self, member):
"""Deletes a pool member.
:param member: A member provider dictionary to delete
:returns: None
:raises MemberNotFound: The referenced member was not found
"""
pool = self._pool_repo.get(db_apis.get_session(),
id=member[constants.POOL_ID])
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
delete_member_tf = self._taskflow_load(
self._member_flows.get_delete_member_flow(),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER: provider_lb,
constants.LOADBALANCER_ID: load_balancer.id,
constants.POOL_ID: pool.id,
constants.PROJECT_ID: load_balancer.project_id
})
with tf_logging.DynamicLoggingListener(delete_member_tf, log=LOG):
delete_member_tf.run()
def batch_update_members(self, old_members, new_members, updated_members):
updated_members = [(provider_utils.db_member_to_provider_member(
self._member_repo.get(db_apis.get_session(),
id=m.get(constants.ID))).to_dict(), m)
for m in updated_members]
provider_old_members = [
provider_utils.db_member_to_provider_member(
self._member_repo.get(db_apis.get_session(),
id=m.get(constants.ID))).to_dict()
for m in old_members
]
if old_members:
pool = self._pool_repo.get(db_apis.get_session(),
id=old_members[0][constants.POOL_ID])
elif new_members:
pool = self._pool_repo.get(db_apis.get_session(),
id=new_members[0][constants.POOL_ID])
else:
pool = self._pool_repo.get(
db_apis.get_session(),
id=updated_members[0][0][constants.POOL_ID])
load_balancer = pool.load_balancer
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
batch_update_members_tf = self._taskflow_load(
self._member_flows.get_batch_update_members_flow(
provider_old_members, new_members, updated_members),
store={
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER: provider_lb,
constants.LOADBALANCER_ID: load_balancer.id,
constants.POOL_ID: pool.id,
constants.PROJECT_ID: load_balancer.project_id
})
with tf_logging.DynamicLoggingListener(batch_update_members_tf,
log=LOG):
batch_update_members_tf.run()
def update_member(self, member, member_updates):
"""Updates a pool member.
:param member_id: A member provider dictionary to update
:param member_updates: Dict containing updated member attributes
:returns: None
:raises MemberNotFound: The referenced member was not found
"""
# TODO(ataraday) when other flows will use dicts - revisit this
pool = self._pool_repo.get(db_apis.get_session(),
id=member[constants.POOL_ID])
load_balancer = pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
pool.listeners))
update_member_tf = self._taskflow_load(
self._member_flows.get_update_member_flow(),
store={
constants.MEMBER: member,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER: provider_lb,
constants.LOADBALANCER_ID: load_balancer.id,
constants.POOL_ID: pool.id,
constants.UPDATE_DICT: member_updates
})
with tf_logging.DynamicLoggingListener(update_member_tf, log=LOG):
update_member_tf.run()
def create_pool(self, pool):
"""Creates a node pool.
:param pool: Provider pool dict to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
# TODO(ataraday) It seems we need to get db pool here anyway to get
# proper listeners
db_pool = self._pool_repo.get(db_apis.get_session(),
id=pool[constants.POOL_ID])
if not db_pool:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'pool', pool[constants.POOL_ID])
raise db_exceptions.NoResultFound
load_balancer = db_pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
db_pool.listeners))
create_pool_tf = self._taskflow_load(
self._pool_flows.get_create_pool_flow(),
store={
constants.POOL_ID: pool[constants.POOL_ID],
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: load_balancer.id,
constants.LOADBALANCER: provider_lb
})
with tf_logging.DynamicLoggingListener(create_pool_tf, log=LOG):
create_pool_tf.run()
def delete_pool(self, pool):
"""Deletes a node pool.
:param pool: Provider pool dict to delete
:returns: None
:raises PoolNotFound: The referenced pool was not found
"""
db_pool = self._pool_repo.get(db_apis.get_session(),
id=pool[constants.POOL_ID])
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
db_pool.listeners))
load_balancer = db_pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
delete_pool_tf = self._taskflow_load(
self._pool_flows.get_delete_pool_flow(),
store={
constants.POOL_ID: pool[constants.POOL_ID],
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER: provider_lb,
constants.LOADBALANCER_ID: load_balancer.id,
constants.PROJECT_ID: db_pool.project_id
})
with tf_logging.DynamicLoggingListener(delete_pool_tf, log=LOG):
delete_pool_tf.run()
def update_pool(self, origin_pool, pool_updates):
"""Updates a node pool.
:param origin_pool: Provider pool dict to update
:param pool_updates: Dict containing updated pool attributes
:returns: None
:raises PoolNotFound: The referenced pool was not found
"""
try:
db_pool = self._get_db_obj_until_pending_update(
self._pool_repo, origin_pool[constants.POOL_ID])
except tenacity.RetryError as e:
LOG.warning(
'Pool did not go into %s in 60 seconds. '
'This either due to an in-progress Octavia upgrade '
'or an overloaded and failing database. Assuming '
'an upgrade is in progress and continuing.',
constants.PENDING_UPDATE)
db_pool = e.last_attempt.result()
load_balancer = db_pool.load_balancer
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
load_balancer).to_dict()
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
db_pool.listeners))
update_pool_tf = self._taskflow_load(
self._pool_flows.get_update_pool_flow(),
store={
constants.POOL_ID: db_pool.id,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER: provider_lb,
constants.LOADBALANCER_ID: load_balancer.id,
constants.UPDATE_DICT: pool_updates
})
with tf_logging.DynamicLoggingListener(update_pool_tf, log=LOG):
update_pool_tf.run()
def create_l7policy(self, l7policy):
"""Creates an L7 Policy.
:param l7policy: Provider dict of the l7policy to create
:returns: None
:raises NoResultFound: Unable to find the object
"""
db_listener = self._listener_repo.get(
db_apis.get_session(), id=l7policy[constants.LISTENER_ID])
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_listener]))
create_l7policy_tf = self._taskflow_load(
self._l7policy_flows.get_create_l7policy_flow(),
store={
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: db_listener.load_balancer.id
})
with tf_logging.DynamicLoggingListener(create_l7policy_tf, log=LOG):
create_l7policy_tf.run()
def delete_l7policy(self, l7policy):
"""Deletes an L7 policy.
:param l7policy: Provider dict of the l7policy to delete
:returns: None
:raises L7PolicyNotFound: The referenced l7policy was not found
"""
db_listener = self._listener_repo.get(
db_apis.get_session(), id=l7policy[constants.LISTENER_ID])
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_listener]))
delete_l7policy_tf = self._taskflow_load(
self._l7policy_flows.get_delete_l7policy_flow(),
store={
constants.L7POLICY: l7policy,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: db_listener.load_balancer.id
})
with tf_logging.DynamicLoggingListener(delete_l7policy_tf, log=LOG):
delete_l7policy_tf.run()
def update_l7policy(self, original_l7policy, l7policy_updates):
"""Updates an L7 policy.
:param l7policy: Provider dict of the l7policy to update
:param l7policy_updates: Dict containing updated l7policy attributes
:returns: None
:raises L7PolicyNotFound: The referenced l7policy was not found
"""
db_listener = self._listener_repo.get(
db_apis.get_session(), id=original_l7policy[constants.LISTENER_ID])
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_listener]))
update_l7policy_tf = self._taskflow_load(
self._l7policy_flows.get_update_l7policy_flow(),
store={
constants.L7POLICY: original_l7policy,
constants.LISTENERS: listeners_dicts,
constants.LOADBALANCER_ID: db_listener.load_balancer.id,
constants.UPDATE_DICT: l7policy_updates
})
with tf_logging.DynamicLoggingListener(update_l7policy_tf, log=LOG):
update_l7policy_tf.run()
def create_l7rule(self, l7rule):
"""Creates an L7 Rule.
:param l7rule: Provider dict l7rule
:returns: None
:raises NoResultFound: Unable to find the object
"""
db_l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7rule[constants.L7POLICY_ID])
load_balancer = db_l7policy.listener.load_balancer
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_l7policy.listener]))
l7policy_dict = provider_utils.db_l7policy_to_provider_l7policy(
db_l7policy)
create_l7rule_tf = self._taskflow_load(
self._l7rule_flows.get_create_l7rule_flow(),
store={
constants.L7RULE: l7rule,
constants.L7POLICY: l7policy_dict.to_dict(),
constants.LISTENERS: listeners_dicts,
constants.L7POLICY_ID: db_l7policy.id,
constants.LOADBALANCER_ID: load_balancer.id
})
with tf_logging.DynamicLoggingListener(create_l7rule_tf, log=LOG):
create_l7rule_tf.run()
def delete_l7rule(self, l7rule):
"""Deletes an L7 rule.
:param l7rule: Provider dict of the l7rule to delete
:returns: None
:raises L7RuleNotFound: The referenced l7rule was not found
"""
db_l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7rule[constants.L7POLICY_ID])
l7policy = provider_utils.db_l7policy_to_provider_l7policy(db_l7policy)
load_balancer = db_l7policy.listener.load_balancer
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_l7policy.listener]))
delete_l7rule_tf = self._taskflow_load(
self._l7rule_flows.get_delete_l7rule_flow(),
store={
constants.L7RULE: l7rule,
constants.L7POLICY: l7policy.to_dict(),
constants.LISTENERS: listeners_dicts,
constants.L7POLICY_ID: db_l7policy.id,
constants.LOADBALANCER_ID: load_balancer.id
})
with tf_logging.DynamicLoggingListener(delete_l7rule_tf, log=LOG):
delete_l7rule_tf.run()
def update_l7rule(self, original_l7rule, l7rule_updates):
"""Updates an L7 rule.
:param l7rule: Origin dict of the l7rule to update
:param l7rule_updates: Dict containing updated l7rule attributes
:returns: None
:raises L7RuleNotFound: The referenced l7rule was not found
"""
db_l7policy = self._l7policy_repo.get(
db_apis.get_session(), id=original_l7rule[constants.L7POLICY_ID])
load_balancer = db_l7policy.listener.load_balancer
listeners_dicts = (
provider_utils.db_listeners_to_provider_dicts_list_of_dicts(
[db_l7policy.listener]))
l7policy_dict = provider_utils.db_l7policy_to_provider_l7policy(
db_l7policy)
update_l7rule_tf = self._taskflow_load(
self._l7rule_flows.get_update_l7rule_flow(),
store={
constants.L7RULE: original_l7rule,
constants.L7POLICY: l7policy_dict.to_dict(),
constants.LISTENERS: listeners_dicts,
constants.L7POLICY_ID: db_l7policy.id,
constants.LOADBALANCER_ID: load_balancer.id,
constants.UPDATE_DICT: l7rule_updates
})
with tf_logging.DynamicLoggingListener(update_l7rule_tf, log=LOG):
update_l7rule_tf.run()
def _perform_amphora_failover(self, amp, priority):
"""Internal method to perform failover operations for an amphora.
:param amp: The amphora to failover
:param priority: The create priority
:returns: None
"""
stored_params = {
constants.FAILED_AMPHORA: amp.to_dict(),
constants.LOADBALANCER_ID: amp.load_balancer_id,
constants.BUILD_TYPE_PRIORITY: priority,
}
if amp.role in (constants.ROLE_MASTER, constants.ROLE_BACKUP):
amp_role = 'master_or_backup'
elif amp.role == constants.ROLE_STANDALONE:
amp_role = 'standalone'
elif amp.role is None:
amp_role = 'spare'
else:
amp_role = 'undefined'
LOG.info(
"Perform failover for an amphora: %s", {
"id": amp.id,
"load_balancer_id": amp.load_balancer_id,
"lb_network_ip": amp.lb_network_ip,
"compute_id": amp.compute_id,
"role": amp_role
})
if amp.status == constants.DELETED:
LOG.warning(
'Amphora %s is marked DELETED in the database but '
'was submitted for failover. Deleting it from the '
'amphora health table to exclude it from health '
'checks and skipping the failover.', amp.id)
self._amphora_health_repo.delete(db_apis.get_session(),
amphora_id=amp.id)
return
if (CONF.house_keeping.spare_amphora_pool_size
== 0) and (CONF.nova.enable_anti_affinity is False):
LOG.warning("Failing over amphora with no spares pool may "
"cause delays in failover times while a new "
"amphora instance boots.")
# if we run with anti-affinity we need to set the server group
# as well
lb = self._amphora_repo.get_lb_for_amphora(db_apis.get_session(),
amp.id)
provider_lb = provider_utils.db_loadbalancer_to_provider_loadbalancer(
lb).to_dict() if lb else lb
if CONF.nova.enable_anti_affinity and lb:
stored_params[constants.SERVER_GROUP_ID] = lb.server_group_id
if lb and lb.flavor_id:
stored_params[constants.FLAVOR] = (
self._flavor_repo.get_flavor_metadata_dict(
db_apis.get_session(), lb.flavor_id))
else:
stored_params[constants.FLAVOR] = {}
if lb and lb.availability_zone:
stored_params[constants.AVAILABILITY_ZONE] = (
self._az_repo.get_availability_zone_metadata_dict(
db_apis.get_session(), lb.availability_zone))
else:
stored_params[constants.AVAILABILITY_ZONE] = {}
failover_amphora_tf = self._taskflow_load(
self._amphora_flows.get_failover_flow(role=amp.role,
load_balancer=provider_lb),
store=stored_params)
with tf_logging.DynamicLoggingListener(failover_amphora_tf, log=LOG):
failover_amphora_tf.run()
LOG.info(
"Successfully completed the failover for an amphora: %s", {
"id": amp.id,
"load_balancer_id": amp.load_balancer_id,
"lb_network_ip": amp.lb_network_ip,
"compute_id": amp.compute_id,
"role": amp_role
})
def failover_amphora(self, amphora_id):
"""Perform failover operations for an amphora.
:param amphora_id: ID for amphora to failover
:returns: None
:raises AmphoraNotFound: The referenced amphora was not found
"""
try:
amp = self._amphora_repo.get(db_apis.get_session(), id=amphora_id)
if not amp:
LOG.warning(
"Could not fetch Amphora %s from DB, ignoring "
"failover request.", amphora_id)
return
self._perform_amphora_failover(
amp, constants.LB_CREATE_FAILOVER_PRIORITY)
if amp.load_balancer_id:
LOG.info("Mark ACTIVE in DB for load balancer id: %s",
amp.load_balancer_id)
self._lb_repo.update(db_apis.get_session(),
amp.load_balancer_id,
provisioning_status=constants.ACTIVE)
except Exception as e:
try:
self._lb_repo.update(db_apis.get_session(),
amp.load_balancer_id,
provisioning_status=constants.ERROR)
except Exception:
LOG.error("Unable to revert LB status to ERROR.")
with excutils.save_and_reraise_exception():
LOG.error("Amphora %(id)s failover exception: %(exc)s", {
'id': amphora_id,
'exc': e
})
def failover_loadbalancer(self, load_balancer_id):
"""Perform failover operations for a load balancer.
:param load_balancer_id: ID for load balancer to failover
:returns: None
:raises LBNotFound: The referenced load balancer was not found
"""
# Note: This expects that the load balancer is already in
# provisioning_status=PENDING_UPDATE state
try:
lb = self._lb_repo.get(db_apis.get_session(), id=load_balancer_id)
# Exclude amphora already deleted
amps = [a for a in lb.amphorae if a.status != constants.DELETED]
for amp in amps:
# failover amphora in backup role
# Note: this amp may not currently be the backup
# TODO(johnsom) Change this to query the amp state
# once the amp API supports it.
if amp.role == constants.ROLE_BACKUP:
self._perform_amphora_failover(
amp, constants.LB_CREATE_ADMIN_FAILOVER_PRIORITY)
for amp in amps:
# failover everyhting else
if amp.role != constants.ROLE_BACKUP:
self._perform_amphora_failover(
amp, constants.LB_CREATE_ADMIN_FAILOVER_PRIORITY)
self._lb_repo.update(db_apis.get_session(),
load_balancer_id,
provisioning_status=constants.ACTIVE)
except Exception as e:
with excutils.save_and_reraise_exception():
LOG.error("LB %(lbid)s failover exception: %(exc)s", {
'lbid': load_balancer_id,
'exc': e
})
self._lb_repo.update(db_apis.get_session(),
load_balancer_id,
provisioning_status=constants.ERROR)
def amphora_cert_rotation(self, amphora_id):
"""Perform cert rotation for an amphora.
:param amphora_id: ID for amphora to rotate
:returns: None
:raises AmphoraNotFound: The referenced amphora was not found
"""
amp = self._amphora_repo.get(db_apis.get_session(), id=amphora_id)
LOG.info("Start amphora cert rotation, amphora's id is: %s", amp.id)
certrotation_amphora_tf = self._taskflow_load(
self._amphora_flows.cert_rotate_amphora_flow(),
store={
constants.AMPHORA: amp.to_dict(),
constants.AMPHORA_ID: amphora_id
})
with tf_logging.DynamicLoggingListener(certrotation_amphora_tf,
log=LOG):
certrotation_amphora_tf.run()
def update_amphora_agent_config(self, amphora_id):
"""Update the amphora agent configuration.
Note: This will update the amphora agent configuration file and
update the running configuration for mutatable configuration
items.
:param amphora_id: ID of the amphora to update.
:returns: None
"""
LOG.info(
"Start amphora agent configuration update, amphora's id "
"is: %s", amphora_id)
amp = self._amphora_repo.get(db_apis.get_session(), id=amphora_id)
lb = self._amphora_repo.get_lb_for_amphora(db_apis.get_session(),
amphora_id)
flavor = {}
if lb.flavor_id:
flavor = self._flavor_repo.get_flavor_metadata_dict(
db_apis.get_session(), lb.flavor_id)
update_amphora_tf = self._taskflow_load(
self._amphora_flows.update_amphora_config_flow(),
store={
constants.AMPHORA: amp.to_dict(),
constants.FLAVOR: flavor
})
with tf_logging.DynamicLoggingListener(update_amphora_tf, log=LOG):
update_amphora_tf.run()
class ControllerWorker(object):
"""Worker class to update load balancers."""
def __init__(self):
self._loadbalancer_repo = f5_repos.LoadBalancerRepository()
self._esd = esd_repo.EsdRepository()
self._amphora_repo = repo.AmphoraRepository()
self._health_mon_repo = repo.HealthMonitorRepository()
self._lb_repo = repo.LoadBalancerRepository()
self._listener_repo = repo.ListenerRepository()
self._member_repo = repo.MemberRepository()
self._pool_repo = f5_repos.PoolRepository()
self._l7policy_repo = f5_repos.L7PolicyRepository()
self._l7rule_repo = repo.L7RuleRepository()
self._flavor_repo = repo.FlavorRepository()
self._vip_repo = repo.VipRepository()
self.bigip = BigipAS3RestClient(
bigip_urls=CONF.f5_agent.bigip_urls,
enable_verify=CONF.f5_agent.bigip_verify,
enable_token=CONF.f5_agent.bigip_token,
esd=self._esd)
self.network_driver = driver_utils.get_network_driver()
self.cert_manager = cert_manager.CertManagerWrapper()
self.status = status.StatusManager(self.bigip)
worker = periodics.PeriodicWorker([(self.pending_sync, None, None)])
t = threading.Thread(target=worker.start)
t.daemon = True
t.start()
if cfg.CONF.f5_agent.prometheus:
prometheus_port = CONF.f5_agent.prometheus_port
LOG.info('Starting Prometheus HTTP server on port {}'.format(
prometheus_port))
prometheus.start_http_server(prometheus_port)
super(ControllerWorker, self).__init__()
@periodics.periodic(120, run_immediately=True)
def pending_sync(self):
"""
Reconciliation loop that
- schedules unscheduled load balancers to this worker
- deletes load balancers that are PENDING_DELETE
"""
# schedule unscheduled load balancers to this worker
self.sync_loadbalancers()
# delete load balancers that are PENDING_DELETE
lbs_to_delete = self._loadbalancer_repo.get_all_from_host(
db_apis.get_session(),
provisioning_status=lib_consts.PENDING_DELETE)
for lb in lbs_to_delete:
LOG.info("Found pending deletion of lb %s", lb.id)
self.delete_load_balancer(lb.id)
@lockutils.synchronized('tenant_refresh')
def sync_loadbalancers(self):
"""Sync loadbalancers that are in a PENDING state"""
lbs = []
pending_create_lbs = self._loadbalancer_repo.get_all(
db_apis.get_session(),
provisioning_status=lib_consts.PENDING_CREATE,
show_deleted=False)[0]
for lb in pending_create_lbs:
# bind to loadbalancer if scheduled to this host
if CONF.host == self.network_driver.get_scheduled_host(
lb.vip.port_id):
self.ensure_host_set(lb)
self.ensure_amphora_exists(lb.id)
lbs.append(lb)
lbs.extend(
self._loadbalancer_repo.get_all_from_host(
db_apis.get_session(),
provisioning_status=lib_consts.PENDING_UPDATE))
pools = self._pool_repo.get_pending_from_host(db_apis.get_session())
lbs.extend([pool.load_balancer for pool in pools])
l7policies = self._l7policy_repo.get_pending_from_host(
db_apis.get_session())
lbs.extend(
[l7policy.listener.load_balancer for l7policy in l7policies])
pending_networks = collections.defaultdict(list)
for lb in lbs:
if lb not in pending_networks[lb.vip.network_id]:
pending_networks[lb.vip.network_id].append(lb)
for network_id, loadbalancers in pending_networks.items():
LOG.info("Found pending tenant network %s, syncing...", network_id)
try:
if self._refresh(network_id).ok:
self.status.update_status(loadbalancers)
except exceptions.RetryException as e:
LOG.warning("Device is busy, retrying with next sync: %s", e)
except o_exceptions.CertificateRetrievalException as e:
LOG.warning("Could not retrieve certificate for tenant %s: %s",
network_id, e)
except exceptions.AS3Exception as e:
LOG.error("AS3 exception while syncing tenant %s: %s",
network_id, e)
for lb in loadbalancers:
self.status.set_error(lb)
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def _get_all_loadbalancer(self, network_id):
LOG.debug("Get load balancers from DB for network id: %s ", network_id)
vips = self._vip_repo.get_all(db_apis.get_session(),
network_id=network_id)
loadbalancers = []
for vip in vips[0]:
loadbalancers.append(
self._loadbalancer_repo.get(db_apis.get_session(),
show_deleted=False,
id=vip.load_balancer_id,
server_group_id=CONF.host))
return [lb for lb in loadbalancers if lb]
def _refresh(self, network_id):
loadbalancers = self._get_all_loadbalancer(network_id)
segmentation_id = self.network_driver.get_segmentation_id(network_id)
return tenant_update(self.bigip, self.cert_manager, network_id,
loadbalancers, segmentation_id)
"""
Loadbalancer
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
@lockutils.synchronized('tenant_refresh')
def create_load_balancer(self, load_balancer_id, flavor=None):
lb = self._lb_repo.get(db_apis.get_session(), id=load_balancer_id)
# We are retrying to fetch load-balancer since API could
# be still busy inserting the LB into the database.
if not lb:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'load_balancer', load_balancer_id)
raise db_exceptions.NoResultFound
self.ensure_amphora_exists(lb.id)
self.ensure_host_set(lb)
if self._refresh(lb.vip.network_id).ok:
self.status.set_active(lb)
else:
self.status.set_error(lb)
@lockutils.synchronized('tenant_refresh')
def update_load_balancer(self, load_balancer_id, load_balancer_updates):
lb = self._lb_repo.get(db_apis.get_session(), id=load_balancer_id)
if self._refresh(lb.vip.network_id).ok:
self.status.set_active(lb)
else:
self.status.set_error(lb)
@lockutils.synchronized('tenant_refresh')
def delete_load_balancer(self, load_balancer_id, cascade=False):
lb = self._lb_repo.get(db_apis.get_session(), id=load_balancer_id)
existing_lbs = [
loadbalancer
for loadbalancer in self._get_all_loadbalancer(lb.vip.network_id)
if loadbalancer.id != lb.id
]
if not existing_lbs:
# Delete whole tenant
ret = tenant_delete(self.bigip, lb.vip.network_id)
else:
# Don't delete whole tenant
segmentation_id = self.network_driver.get_segmentation_id(
lb.vip.network_id)
ret = tenant_update(self.bigip, self.cert_manager,
lb.vip.network_id, existing_lbs,
segmentation_id)
if ret.ok:
self.status.set_deleted(lb)
"""
Listener
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
@lockutils.synchronized('tenant_refresh')
def create_listener(self, listener_id):
listener = self._listener_repo.get(db_apis.get_session(),
id=listener_id)
if not listener:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'listener', listener_id)
raise db_exceptions.NoResultFound
if self._refresh(listener.load_balancer.vip.network_id).ok:
self.status.set_active(listener)
else:
self.status.set_error(listener)
@lockutils.synchronized('tenant_refresh')
def update_listener(self, listener_id, listener_updates):
listener = self._listener_repo.get(db_apis.get_session(),
id=listener_id)
if self._refresh(listener.load_balancer.vip.network_id).ok:
self.status.set_active(listener)
else:
self.status.set_error(listener)
@lockutils.synchronized('tenant_refresh')
def delete_listener(self, listener_id):
listener = self._listener_repo.get(db_apis.get_session(),
id=listener_id)
if self._refresh(listener.load_balancer.vip.network_id).ok:
self.status.set_deleted(listener)
"""
Pool
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
@lockutils.synchronized('tenant_refresh')
def create_pool(self, pool_id):
pool = self._pool_repo.get(db_apis.get_session(), id=pool_id)
if not pool:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'pool', pool_id)
raise db_exceptions.NoResultFound
if self._refresh(pool.load_balancer.vip.network_id).ok:
self.status.set_active(pool)
else:
self.status.set_error(pool)
@lockutils.synchronized('tenant_refresh')
def update_pool(self, pool_id, pool_updates):
pool = self._pool_repo.get(db_apis.get_session(), id=pool_id)
if self._refresh(pool.load_balancer.vip.network_id).ok:
self.status.set_active(pool)
else:
self.status.set_error(pool)
@lockutils.synchronized('tenant_refresh')
def delete_pool(self, pool_id):
pool = self._pool_repo.get(db_apis.get_session(), id=pool_id)
if self._refresh(pool.load_balancer.vip.network_id).ok:
self.status.set_deleted(pool)
"""
Member
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
@lockutils.synchronized('tenant_refresh')
def create_member(self, member_id):
member = self._member_repo.get(db_apis.get_session(), id=member_id)
if not member:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'member', member_id)
raise db_exceptions.NoResultFound
self.ensure_amphora_exists(member.pool.load_balancer.id)
if not member.backup:
try:
if member_create(self.bigip, member).ok:
self.status.set_active(member)
return
except exceptions.AS3Exception:
pass
elif self._refresh(member.pool.load_balancer.vip.network_id).ok:
self.status.set_active(member)
else:
self.status.set_error(member)
@lockutils.synchronized('tenant_refresh')
def batch_update_members(self, old_member_ids, new_member_ids,
updated_members):
old_members = [
self._member_repo.get(db_apis.get_session(), id=mid)
for mid in old_member_ids
]
new_members = [
self._member_repo.get(db_apis.get_session(), id=mid)
for mid in new_member_ids
]
updated_members = [(self._member_repo.get(db_apis.get_session(),
id=m.get('id')), m)
for m in updated_members]
if old_members:
pool = old_members[0].pool
elif new_members:
pool = new_members[0].pool
else:
pool = updated_members[0][0].pool
load_balancer = pool.load_balancer
network_id = load_balancer.vip.network_id
if self._refresh(network_id).ok:
self.status.update_status([load_balancer])
@lockutils.synchronized('tenant_refresh')
def update_member(self, member_id, member_updates):
member = self._member_repo.get(db_apis.get_session(), id=member_id)
if self._refresh(member.pool.load_balancer.vip.network_id).ok:
self.status.set_active(member)
else:
self.status.set_error(member)
@lockutils.synchronized('tenant_refresh')
def delete_member(self, member_id):
member = self._member_repo.get(db_apis.get_session(), id=member_id)
if self._refresh(member.pool.load_balancer.vip.network_id).ok:
self.status.set_deleted(member)
"""
Member
"""
@lockutils.synchronized('tenant_refresh')
def create_health_monitor(self, health_monitor_id):
health_mon = self._health_mon_repo.get(db_apis.get_session(),
id=health_monitor_id)
if not health_mon:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'health_monitor', health_monitor_id)
raise db_exceptions.NoResultFound
pool = health_mon.pool
load_balancer = pool.load_balancer
if self._refresh(load_balancer.vip.network_id).ok:
self.status.set_active(health_mon)
else:
self.status.set_error(health_mon)
@lockutils.synchronized('tenant_refresh')
def update_health_monitor(self, health_monitor_id, health_monitor_updates):
health_mon = self._health_mon_repo.get(db_apis.get_session(),
id=health_monitor_id)
pool = health_mon.pool
load_balancer = pool.load_balancer
if self._refresh(load_balancer.vip.network_id).ok:
self.status.set_active(health_mon)
else:
self.status.set_error(health_mon)
@lockutils.synchronized('tenant_refresh')
def delete_health_monitor(self, health_monitor_id):
health_mon = self._health_mon_repo.get(db_apis.get_session(),
id=health_monitor_id)
pool = health_mon.pool
load_balancer = pool.load_balancer
if self._refresh(load_balancer.vip.network_id).ok:
self.status.set_deleted(health_mon)
"""
l7policy
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
@lockutils.synchronized('tenant_refresh')
def create_l7policy(self, l7policy_id):
l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7policy_id)
if not l7policy:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'l7policy', l7policy_id)
raise db_exceptions.NoResultFound
if self._refresh(l7policy.listener.load_balancer.vip.network_id).ok:
self.status.set_active(l7policy)
else:
self.status.set_error(l7policy)
@lockutils.synchronized('tenant_refresh')
def update_l7policy(self, l7policy_id, l7policy_updates):
l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7policy_id)
if self._refresh(l7policy.listener.load_balancer.vip.network_id).ok:
self.status.set_active(l7policy)
else:
self.status.set_error(l7policy)
@lockutils.synchronized('tenant_refresh')
def delete_l7policy(self, l7policy_id):
l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7policy_id)
if self._refresh(l7policy.listener.load_balancer.vip.network_id).ok:
self.status.set_deleted(l7policy)
"""
l7rule
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
@lockutils.synchronized('tenant_refresh')
def create_l7rule(self, l7rule_id):
l7rule = self._l7rule_repo.get(db_apis.get_session(), id=l7rule_id)
if not l7rule:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'l7rule', l7rule_id)
raise db_exceptions.NoResultFound
if self._refresh(
l7rule.l7policy.listener.load_balancer.vip.network_id).ok:
self.status.set_active(l7rule)
else:
self.status.set_error(l7rule)
@lockutils.synchronized('tenant_refresh')
def update_l7rule(self, l7rule_id, l7rule_updates):
l7rule = self._l7rule_repo.get(db_apis.get_session(), id=l7rule_id)
if self._refresh(
l7rule.l7policy.listener.load_balancer.vip.network_id).ok:
self.status.set_active(l7rule)
else:
self.status.set_error(l7rule)
@lockutils.synchronized('tenant_refresh')
def delete_l7rule(self, l7rule_id):
l7rule = self._l7rule_repo.get(db_apis.get_session(), id=l7rule_id)
if self._refresh(
l7rule.l7policy.listener.load_balancer.vip.network_id).ok:
self.status.set_deleted(l7rule)
"""
Amphora
"""
def ensure_amphora_exists(self, load_balancer_id):
"""
Octavia health manager makes some assumptions about the existence of amphorae.
That's why even the F5 provider driver has to care about amphora DB entries.
This function creates an amphora entry in the database, if it doesn't already exist.
"""
device_amp = self._amphora_repo.get(db_apis.get_session(),
load_balancer_id=load_balancer_id)
# create amphora mapping if missing
if not device_amp:
self._amphora_repo.create(db_apis.get_session(),
id=load_balancer_id,
load_balancer_id=load_balancer_id,
compute_flavor=CONF.host,
status=lib_consts.ACTIVE)
return
# update host if not updated yet
if device_amp.compute_flavor != CONF.host:
self._amphora_repo.update(db_apis.get_session(),
id=device_amp.id,
compute_flavor=CONF.host)
def create_amphora(self):
pass
def delete_amphora(self, amphora_id):
self._amphora_repo.delete(db_apis.get_session(), id=amphora_id)
def failover_amphora(self, amphora_id):
pass
def failover_loadbalancer(self, load_balancer_id):
pass
def amphora_cert_rotation(self, amphora_id):
pass
def update_amphora_agent_config(self, amphora_id):
pass
def ensure_host_set(self, loadbalancer):
"""Assigns the current host to loadbalancer by writing
it into server_group_id column of loadbalancer table."""
if CONF.host[:36] != loadbalancer.server_group_id:
self._loadbalancer_repo.update(db_apis.get_session(),
id=loadbalancer.id,
server_group_id=CONF.host[:36])
class ControllerWorker(object):
"""Worker class to update load balancers."""
_metric_as3worker_queue = prometheus.metrics.Gauge(
'octavia_as3_worker_queue', 'Number of items in AS3 worker queue',
['octavia_host'])
def __init__(self):
self._repositories = repo.Repositories()
self._loadbalancer_repo = f5_repos.LoadBalancerRepository()
self._amphora_repo = repo.AmphoraRepository()
self._health_mon_repo = repo.HealthMonitorRepository()
self._listener_repo = f5_repos.ListenerRepository()
self._member_repo = repo.MemberRepository()
self._pool_repo = f5_repos.PoolRepository()
self._l7policy_repo = f5_repos.L7PolicyRepository()
self._l7rule_repo = repo.L7RuleRepository()
self._vip_repo = repo.VipRepository()
self._quota_repo = repo.QuotasRepository()
self.status = status_manager.StatusManager()
self.sync = sync_manager.SyncManager(self.status,
self._loadbalancer_repo)
self.network_driver = driver_utils.get_network_driver()
self.queue = SetQueue()
worker = periodics.PeriodicWorker([
(self.pending_sync, None, None),
(self.full_sync_reappearing_devices, None, None),
(self.cleanup_orphaned_tenants, None, None)
])
t = threading.Thread(target=worker.start)
t.daemon = True
t.start()
LOG.info("Starting as3worker")
as3worker = threading.Thread(target=self.as3worker)
as3worker.setDaemon(True)
as3worker.start()
if cfg.CONF.f5_agent.prometheus:
prometheus_port = CONF.f5_agent.prometheus_port
LOG.info('Starting Prometheus HTTP server on port {}'.format(
prometheus_port))
prometheus.start_http_server(prometheus_port)
super(ControllerWorker, self).__init__()
def as3worker(self):
""" AS3 Worker thread, pops tenant to refresh from thread-safe set queue"""
while True:
try:
self._metric_as3worker_queue.labels(
octavia_host=CONF.host).set(self.queue.qsize())
network_id, device = self.queue.get()
loadbalancers = self._get_all_loadbalancer(network_id)
LOG.debug(
"AS3Worker after pop (queue_size=%d): Refresh tenant '%s' with loadbalancer %s",
self.queue.qsize(), network_id,
[lb.id for lb in loadbalancers])
if all([
lb.provisioning_status == lib_consts.PENDING_DELETE
for lb in loadbalancers
]):
ret = self.sync.tenant_delete(network_id, device)
else:
ret = self.sync.tenant_update(network_id, device)
if not ret:
continue
# update status of just-synced LBs
self.status.update_status(loadbalancers)
for lb in loadbalancers:
self._reset_in_use_quota(lb.project_id)
except Empty:
# Queue empty, pass
pass
except (exceptions.RetryException, tenacity.RetryError) as e:
LOG.warning("Device is busy, retrying with next sync: %s", e)
time.sleep(15)
except Exception as e:
LOG.exception(e)
# restart
pass
@periodics.periodic(86400, run_immediately=True)
def cleanup_orphaned_tenants(self):
LOG.info("Running (24h) tenant cleanup")
session = db_apis.get_session(autocommit=False)
for device in self.sync.devices():
try:
# Fetch all Tenants
tenants = self.sync.get_tenants(device)
# Get all loadbalancers of this host
for tenant_name, applications in tenants.items():
# Convert tenant_name to network_id
network_id = tenant_name.replace(constants.PREFIX_NETWORK,
'').replace('_', '-')
# Fetch active loadbalancers for this network
octavia_lb_ids = [
lb.id
for lb in self._loadbalancer_repo.get_all_by_network(
session, network_id, show_deleted=False)
]
if not octavia_lb_ids:
LOG.info("Found orphaned tenant '%s' for device '%s'",
tenant_name, device)
self.queue.put((network_id, device))
except HTTPError:
# Ignore as3 errors
pass
@periodics.periodic(240, run_immediately=True)
def full_sync_reappearing_devices(self):
session = db_apis.get_session(autocommit=False)
# Get all pending devices
booting_devices = self._amphora_repo.get_all(
session,
status=constants.AMPHORA_BOOTING,
compute_flavor=CONF.host,
load_balancer_id=None)
for device in booting_devices[0]:
if CONF.f5_agent.migration and device.role != constants.ROLE_BACKUP:
LOG.warning(
"[Migration Mode] Skipping full sync of active device %s",
device.cached_zone)
continue
LOG.info("Device reappeared: %s. Doing a full sync.",
device.cached_zone)
# get all load balancers (of this host)
lbs = self._loadbalancer_repo.get_all_from_host(session,
show_deleted=False)
# deduplicate
for network_id in set([lb.vip.network_id for lb in lbs]):
self.queue.put((network_id, device.cached_zone))
# Set device ready
self._amphora_repo.update(session,
device.id,
status=constants.AMPHORA_READY)
session.commit()
@periodics.periodic(120, run_immediately=True)
def pending_sync(self):
"""
Reconciliation loop that
- synchronizes load balancers that are in a PENDING state
- deletes load balancers that are PENDING_DELETE
- executes a full sync on F5 devices that were offline but are now back online
"""
# delete load balancers that are PENDING_DELETE
session = db_apis.get_session()
lbs_to_delete = self._loadbalancer_repo.get_all_from_host(
session, provisioning_status=lib_consts.PENDING_DELETE)
for lb in lbs_to_delete:
LOG.info("Found pending deletion of lb %s", lb.id)
self.delete_load_balancer(lb.id)
# Find pending loadbalancer not yet finally assigned to this host
lbs = []
pending_create_lbs = self._loadbalancer_repo.get_all(
db_apis.get_session(),
provisioning_status=lib_consts.PENDING_CREATE,
show_deleted=False)[0]
for lb in pending_create_lbs:
# bind to loadbalancer if scheduled to this host
if CONF.host == self.network_driver.get_scheduled_host(
lb.vip.port_id):
self.ensure_host_set(lb)
lbs.append(lb)
# Find pending loadbalancer
lbs.extend(
self._loadbalancer_repo.get_all_from_host(
db_apis.get_session(),
provisioning_status=lib_consts.PENDING_UPDATE))
# Make the Octavia health manager happy by creating DB amphora entries
for lb in lbs:
self.ensure_amphora_exists(lb.id)
# Find pending listener
listeners = self._listener_repo.get_pending_from_host(
db_apis.get_session())
lbs.extend([listener.load_balancer for listener in listeners])
# Find pending pools
pools = self._pool_repo.get_pending_from_host(db_apis.get_session())
lbs.extend([pool.load_balancer for pool in pools])
# Find pending l7policies
l7policies = self._l7policy_repo.get_pending_from_host(
db_apis.get_session())
lbs.extend(
[l7policy.listener.load_balancer for l7policy in l7policies])
# Deduplicate into networks
# because each network is synced separately
pending_networks = set([lb.vip.network_id for lb in lbs])
for network_id in pending_networks:
self.queue.put_nowait((network_id, None))
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def _get_all_loadbalancer(self, network_id):
LOG.debug("Get load balancers from DB for network id: %s ", network_id)
return self._loadbalancer_repo.get_all_by_network(
db_apis.get_session(), network_id=network_id, show_deleted=False)
def _reset_in_use_quota(self, project_id):
""" reset in_use quota to None, so it will be recalculated the next time
:param project_id: project id
"""
reset_dict = {
'in_use_load_balancer': None,
'in_use_listener': None,
'in_use_pool': None,
'in_use_health_monitor': None,
'in_use_member': None,
}
lock_session = db_apis.get_session(autocommit=False)
try:
self._quota_repo.update(lock_session,
project_id=project_id,
quota=reset_dict)
lock_session.commit()
except Exception:
with excutils.save_and_reraise_exception():
LOG.error(
'Failed to reset quota for '
'project: %(proj)s the project may have excess '
'quota in use.', {'proj': project_id})
lock_session.rollback()
"""
Loadbalancer
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_load_balancer(self, load_balancer_id, flavor=None):
lb = self._loadbalancer_repo.get(db_apis.get_session(),
id=load_balancer_id)
# We are retrying to fetch load-balancer since API could
# be still busy inserting the LB into the database.
if not lb:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'load_balancer', load_balancer_id)
raise db_exceptions.NoResultFound
self.ensure_amphora_exists(lb.id)
self.ensure_host_set(lb)
self.queue.put((lb.vip.network_id, None))
def update_load_balancer(self, load_balancer_id, load_balancer_updates):
lb = self._loadbalancer_repo.get(db_apis.get_session(),
id=load_balancer_id)
self.queue.put((lb.vip.network_id, None))
def delete_load_balancer(self, load_balancer_id, cascade=False):
lb = self._loadbalancer_repo.get(db_apis.get_session(),
id=load_balancer_id)
# could be deleted by sync-loop meanwhile
if lb:
self.queue.put((lb.vip.network_id, None))
"""
Listener
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_listener(self, listener_id):
listener = self._listener_repo.get(db_apis.get_session(),
id=listener_id)
if not listener:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'listener', listener_id)
raise db_exceptions.NoResultFound
self.queue.put((listener.load_balancer.vip.network_id, None))
def update_listener(self, listener_id, listener_updates):
listener = self._listener_repo.get(db_apis.get_session(),
id=listener_id)
self.queue.put((listener.load_balancer.vip.network_id, None))
def delete_listener(self, listener_id):
listener = self._listener_repo.get(db_apis.get_session(),
id=listener_id)
# could be deleted by sync-loop meanwhile
if listener:
self.queue.put((listener.load_balancer.vip.network_id, None))
"""
Pool
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_pool(self, pool_id):
pool = self._pool_repo.get(db_apis.get_session(), id=pool_id)
if not pool:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'pool', pool_id)
raise db_exceptions.NoResultFound
self.queue.put((pool.load_balancer.vip.network_id, None))
def update_pool(self, pool_id, pool_updates):
pool = self._pool_repo.get(db_apis.get_session(), id=pool_id)
self.queue.put((pool.load_balancer.vip.network_id, None))
def delete_pool(self, pool_id):
pool = self._pool_repo.get(db_apis.get_session(), id=pool_id)
# could be deleted by sync-loop meanwhile
if pool:
self.queue.put((pool.load_balancer.vip.network_id, None))
"""
Member
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_member(self, member_id):
member = self._member_repo.get(db_apis.get_session(), id=member_id)
if not member:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'member', member_id)
raise db_exceptions.NoResultFound
self.ensure_amphora_exists(member.pool.load_balancer.id)
self.queue.put((member.pool.load_balancer.vip.network_id, None))
def batch_update_members(self, old_member_ids, new_member_ids,
updated_members):
old_members = [
self._member_repo.get(db_apis.get_session(), id=mid)
for mid in old_member_ids
]
new_members = [
self._member_repo.get(db_apis.get_session(), id=mid)
for mid in new_member_ids
]
updated_members = [(self._member_repo.get(db_apis.get_session(),
id=m.get('id')), m)
for m in updated_members]
if old_members:
pool = old_members[0].pool
elif new_members:
pool = new_members[0].pool
elif updated_members:
pool = updated_members[0][0].pool
else:
return
self.queue.put((pool.load_balancer.vip.network_id, None))
def update_member(self, member_id, member_updates):
member = self._member_repo.get(db_apis.get_session(), id=member_id)
self.queue.put((member.pool.load_balancer.vip.network_id, None))
def delete_member(self, member_id):
member = self._member_repo.get(db_apis.get_session(), id=member_id)
# could be deleted by sync-loop meanwhile
self.queue.put((member.pool.load_balancer.vip.network_id, None))
"""
Health Monitor
"""
def create_health_monitor(self, health_monitor_id):
health_mon = self._health_mon_repo.get(db_apis.get_session(),
id=health_monitor_id)
if not health_mon:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'health_monitor', health_monitor_id)
raise db_exceptions.NoResultFound
self.queue.put((health_mon.pool.load_balancer.vip.network_id, None))
def update_health_monitor(self, health_monitor_id, health_monitor_updates):
health_mon = self._health_mon_repo.get(db_apis.get_session(),
id=health_monitor_id)
self.queue.put((health_mon.pool.load_balancer.vip.network_id, None))
def delete_health_monitor(self, health_monitor_id):
health_mon = self._health_mon_repo.get(db_apis.get_session(),
id=health_monitor_id)
# could be deleted by sync-loop meanwhile
if health_mon:
self.queue.put(
(health_mon.pool.load_balancer.vip.network_id, None))
"""
l7policy
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_l7policy(self, l7policy_id):
l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7policy_id)
if not l7policy:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'l7policy', l7policy_id)
raise db_exceptions.NoResultFound
self.queue.put((l7policy.listener.load_balancer.vip.network_id, None))
def update_l7policy(self, l7policy_id, l7policy_updates):
l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7policy_id)
self.queue.put((l7policy.listener.load_balancer.vip.network_id, None))
def delete_l7policy(self, l7policy_id):
l7policy = self._l7policy_repo.get(db_apis.get_session(),
id=l7policy_id)
# could be deleted by sync-loop meanwhile
if l7policy:
self.queue.put(
(l7policy.listener.load_balancer.vip.network_id, None))
"""
l7rule
"""
@tenacity.retry(
retry=tenacity.retry_if_exception_type(db_exceptions.NoResultFound),
wait=tenacity.wait_incrementing(RETRY_INITIAL_DELAY, RETRY_BACKOFF,
RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def create_l7rule(self, l7rule_id):
l7rule = self._l7rule_repo.get(db_apis.get_session(), id=l7rule_id)
if not l7rule:
LOG.warning(
'Failed to fetch %s %s from DB. Retrying for up to '
'60 seconds.', 'l7rule', l7rule_id)
raise db_exceptions.NoResultFound
self.queue.put(
(l7rule.l7policy.listener.load_balancer.vip.network_id, None))
def update_l7rule(self, l7rule_id, l7rule_updates):
l7rule = self._l7rule_repo.get(db_apis.get_session(), id=l7rule_id)
self.queue.put(
(l7rule.l7policy.listener.load_balancer.vip.network_id, None))
def delete_l7rule(self, l7rule_id):
l7rule = self._l7rule_repo.get(db_apis.get_session(), id=l7rule_id)
# could be deleted by sync-loop meanwhile
if l7rule:
self.queue.put(
(l7rule.l7policy.listener.load_balancer.vip.network_id, None))
"""
Amphora
"""
def ensure_amphora_exists(self, load_balancer_id):
"""
Octavia health manager makes some assumptions about the existence of amphorae.
That's why even the F5 provider driver has to care about amphora DB entries.
Otherwise status updates won't work correctly.
This function creates an amphora entry in the database, if it doesn't already exist.
"""
device_entry = self._amphora_repo.get(
db_apis.get_session(), load_balancer_id=load_balancer_id)
# create amphora mapping if missing
if not device_entry:
self._amphora_repo.create(db_apis.get_session(),
id=load_balancer_id,
load_balancer_id=load_balancer_id,
compute_flavor=CONF.host,
status=lib_consts.ACTIVE)
return
# update host if not updated yet
if device_entry.compute_flavor != CONF.host:
self._amphora_repo.update(db_apis.get_session(),
id=device_entry.id,
compute_flavor=CONF.host)
def create_amphora(self):
pass
def delete_amphora(self, amphora_id):
self._amphora_repo.delete(db_apis.get_session(), id=amphora_id)
def failover_amphora(self, amphora_id):
""" For now, we are rusing rpc endpoint failover_amphora for receiving failover events
:param amphora_id: host that detected a failover
"""
if amphora_id == CONF.host and not CONF.f5_agent.migration:
self.sync.failover()
def failover_loadbalancer(self, load_balancer_id):
pass
def migrate_loadbalancer(self, load_balancer_id, target_host):
pass
def migrate_loadbalancers(self, source_host, target_host):
pass
def amphora_cert_rotation(self, amphora_id):
pass
def update_amphora_agent_config(self, amphora_id):
pass
def ensure_host_set(self, loadbalancer):
"""Assigns the current host to loadbalancer by writing
it into server_group_id column of loadbalancer table."""
if CONF.host[:36] != loadbalancer.server_group_id:
self._loadbalancer_repo.update(db_apis.get_session(),
id=loadbalancer.id,
server_group_id=CONF.host[:36])
def create_db_retry_object():
return tenacity.Retrying(
retry=tenacity.retry_if_exception_type(sa.exc.OperationalError),
stop=tenacity.stop_after_attempt(10),
wait=tenacity.wait_incrementing(increment=100) # 0.1 seconds
)