def create_pool_member(self, context, member, pool_id):
subnet_db = self._core_plugin.get_subnet(context, member['subnet_id'])
try:
with context.session.begin(subtransactions=True):
pool_dbs = self._get_resource(context, models.PoolV2, pool_id)
if pool_dbs.subnet_id:
if pool_dbs.subnet_id!=subnet_db['id']:
raise loadbalancerv2.PoolMemberSubnetIDMismatch(
pool_subnet_id = pool_dbs.subnet_id,
member_subnet_id = subnet_db['id'])
else:
if pool_dbs.network_id!=subnet_db['network_id']:
raise loadbalancerv2.PoolMemberNetworkIDMismatch(
pool_network_id = pool_dbs.network_id,
member_network_id = subnet_db['network_id'])
if not self._resource_exists(context, models.PoolV2, pool_id):
raise loadbalancerv2.EntityNotFound(
name=models.PoolV2.NAME, id=pool_id)
self._load_id_and_tenant_id(context, member)
member['pool_id'] = pool_id
member['status'] = constants.PENDING_CREATE
member_db = models.MemberV2(**member)
context.session.add(member_db)
except exception.DBDuplicateEntry:
raise loadbalancerv2.MemberExists(address=member['address'],
port=member['protocol_port'],
pool=pool_id)
return data_models.Member.from_sqlalchemy_model(member_db)
def create_l7policy_rule(self, context, rule, l7policy_id):
with context.session.begin(subtransactions=True):
if not self._resource_exists(context, models.L7Policy,
l7policy_id):
raise loadbalancerv2.EntityNotFound(
name=models.L7Policy.NAME, id=l7policy_id)
self._load_id_and_tenant_id(context, rule)
rule['l7policy_id'] = l7policy_id
rule['status'] = constants.PENDING_CREATE
rule_db = models.L7Rule(**rule)
context.session.add(rule_db)
return data_models.L7Rule.from_sqlalchemy_model(rule_db)
def _delete_loadbalancer_stats(self, context, loadbalancer_id):
# This is internal method to delete pool statistics. It won't
# be exposed to API
with context.session.begin(subtransactions=True):
stats_qry = context.session.query(models.LoadBalancerStatistics)
try:
stats = stats_qry.filter_by(
loadbalancer_id=loadbalancer_id).one()
except exc.NoResultFound:
raise loadbalancerv2.EntityNotFound(
name=models.LoadBalancerStatistics.NAME,
id=loadbalancer_id)
context.session.delete(stats)
def update_status(self, context, model, id, status):
LOG.debug(_("update_status for_%(model)s id %(id)s %(status)s"),
{'model':model, 'id':id, 'status':status } )
with context.session.begin(subtransactions=True):
if issubclass(model, models.LoadBalancer):
try:
model_db = (self._model_query(context, model).
filter(model.id == id).
options(orm.noload('vip_port')).
one())
except exc.NoResultFound:
raise loadbalancerv2.EntityNotFound(
name=models.LoadBalancer.NAME, id=id)
else:
model_db = self._get_resource(context, model, id)
if model_db.status != status:
model_db.status = status
def _get_resource(self, context, model, id, for_update=False):
resource = None
try:
if for_update:
query = self._model_query(context, model).filter(
model.id == id).with_lockmode('update')
resource = query.one()
else:
resource = self._get_by_id(context, model, id)
except exc.NoResultFound:
with excutils.save_and_reraise_exception(reraise=False) as ctx:
if issubclass(model, (models.LoadBalancer, models.Listener,
models.PoolV2, models.MemberV2,
models.HealthMonitorV2,
models.LoadBalancerStatistics,
models.SessionPersistenceV2,
models.L7Policy,
models.L7Rule)):
raise loadbalancerv2.EntityNotFound(name=model.NAME, id=id)
ctx.reraise = True
return resource
def update_l7policy(self, context, id, l7policy):
l7policy['action'] = l7policy.get('action',attributes.ATTR_NOT_SPECIFIED)
if l7policy['action'] == attributes.ATTR_NOT_SPECIFIED:
l7policy_db = self._get_resource(context, models.L7Policy, id)
l7policy['action'] = l7policy_db.action
l7policy['redirect_pool_id'] = l7policy.get('redirect_pool_id',attributes.ATTR_NOT_SPECIFIED)
l7policy['redirect_url'] = l7policy.get('redirect_url',attributes.ATTR_NOT_SPECIFIED)
l7policy['redirect_url_code'] = l7policy.get('redirect_url_code',attributes.ATTR_NOT_SPECIFIED)
l7policy['redirect_url_drop_query'] = l7policy.get('redirect_url_drop_query',attributes.ATTR_NOT_SPECIFIED)
if l7policy['redirect_pool_id'] == attributes.ATTR_NOT_SPECIFIED:
l7policy['redirect_pool_id'] = None
if l7policy['redirect_url'] == attributes.ATTR_NOT_SPECIFIED:
l7policy['redirect_url'] = None
if l7policy['redirect_url_code'] == attributes.ATTR_NOT_SPECIFIED:
l7policy['redirect_url_code'] = None
if l7policy['redirect_url_drop_query'] == attributes.ATTR_NOT_SPECIFIED:
l7policy['redirect_url_drop_query'] = None
if (l7policy['action'] != lb_const.L7_POLICY_ACTION_REDIRECT_TO_URL
and (l7policy['redirect_url'] is not None or
l7policy['redirect_url_code'] is not None or
l7policy['redirect_url_drop_query'] is not None)):
LOG.debug('Not L7_POLICY_ACTION_REDIRECT_TO_URL L7PolicyActionNotCorresponding')
raise loadbalancerv2.L7PolicyActionNotCorresponding()
if (l7policy['action'] == lb_const.L7_POLICY_ACTION_REDIRECT_TO_URL
and (l7policy['redirect_url'] is None or (l7policy['redirect_url_code'] is None)
or (l7policy['redirect_url_drop_query'] is None) )):
LOG.debug('L7_POLICY_ACTION_REDIRECT_TO_URL L7PolicyRedirectUrlMissing')
raise loadbalancerv2.L7PolicyRedirectUrlMissing()
if (l7policy['action'] != lb_const.L7_POLICY_ACTION_REDIRECT_TO_POOL
and l7policy['redirect_pool_id'] is not None):
LOG.debug('not L7_POLICY_ACTION_REDIRECT_TO_POOL L7PolicyActionNotCorresponding')
raise loadbalancerv2.L7PolicyActionNotCorresponding()
if l7policy['action'] == lb_const.L7_POLICY_ACTION_REDIRECT_TO_POOL:
if not l7policy['redirect_pool_id']:
raise loadbalancerv2.L7PolicyRedirectPoolIdMissing()
if not self._resource_exists(
context, models.PoolV2, l7policy['redirect_pool_id']):
raise loadbalancerv2.EntityNotFound(
name=models.PoolV2.NAME, id=l7policy['redirect_pool_id'])
l7policy_db = self._get_resource(context, models.L7Policy, id)
pool_db = self._get_by_id(context, models.PoolV2,
l7policy['redirect_pool_id'])
if l7policy_db.listener.loadbalancer.vip_network_id!=pool_db.network_id:
raise loadbalancerv2.LoadBalancerPoolNetworkMismatch()
if l7policy_db.listener.loadbalancer.vip_subnet_id!=pool_db.subnet_id:
raise loadbalancerv2.LoadBalancerPoolSubnetMismatch()
if pool_db.listener:
raise loadbalancerv2.EntityInUse(
entity_using=models.Listener.NAME,
id=pool_db.listener.id,
entity_in_use=models.PoolV2.NAME)
if pool_db.l7policy:
if pool_db.l7policy.id != id:
raise loadbalancerv2.EntityInUse(
entity_using=models.L7Policy.NAME,
id=pool_db.l7policy.id,
entity_in_use=models.PoolV2.NAME)
if pool_db.protocol != lb_const.PROTOCOL_HTTP:
raise loadbalancerv2.PoolProtocolMismatchForL7Policy()
if (l7policy['action']== attributes.ATTR_NOT_SPECIFIED):
l7policy.pop('action')
l7policy.pop('redirect_pool_id')
l7policy.pop('redirect_url')
with context.session.begin(subtransactions=True):
l7policy_db = self._get_resource(context, models.L7Policy, id)
l7polcicy_position = l7policy.get('position',sys.maxint)
if l7polcicy_position == sys.maxint:
l7policy['position'] = l7policy_db.position
if l7polcicy_position < 0:
l7policy['position'] = sys.maxint
listener_id = l7policy_db.listener_id
listener_db = self._get_resource(
context, models.Listener, listener_id)
l7policy_db = listener_db.l7_policies.pop(l7policy_db.position)
l7policy_db.update(l7policy)
listener_db.l7_policies.insert(l7policy['position'], l7policy_db)
context.session.refresh(l7policy_db)
return data_models.L7Policy.from_sqlalchemy_model(l7policy_db)
def create_l7policy(self, context, l7policy):
if l7policy['redirect_pool_id'] == attributes.ATTR_NOT_SPECIFIED:
l7policy['redirect_pool_id'] = None
if l7policy['redirect_url'] == attributes.ATTR_NOT_SPECIFIED:
l7policy['redirect_url'] = None
if l7policy['redirect_url_code'] == attributes.ATTR_NOT_SPECIFIED:
l7policy['redirect_url_code'] = None
if l7policy['redirect_url_drop_query'] == attributes.ATTR_NOT_SPECIFIED:
l7policy['redirect_url_drop_query'] = None
if (l7policy['action'] != lb_const.L7_POLICY_ACTION_REDIRECT_TO_POOL
and l7policy['redirect_pool_id'] is not None ):
raise loadbalancerv2.L7PolicyActionNotCorresponding()
if (l7policy['action'] != lb_const.L7_POLICY_ACTION_REDIRECT_TO_URL
and (l7policy['redirect_url'] is not None or
l7policy['redirect_url_code'] is not None or
l7policy['redirect_url_drop_query'] is not None)):
raise loadbalancerv2.L7PolicyActionNotCorresponding()
if (l7policy['action'] == lb_const.L7_POLICY_ACTION_REDIRECT_TO_URL
and ( (l7policy['redirect_url'] is None) or (l7policy['redirect_url_code'] is None)
or (l7policy['redirect_url_drop_query'] is None))):
raise loadbalancerv2.L7PolicyRedirectUrlMissing()
if l7policy['action'] == lb_const.L7_POLICY_ACTION_REDIRECT_TO_POOL:
if not l7policy['redirect_pool_id']:
raise loadbalancerv2.L7PolicyRedirectPoolIdMissing()
if not self._resource_exists(
context, models.PoolV2, l7policy['redirect_pool_id']):
raise loadbalancerv2.EntityNotFound(
name=models.PoolV2.NAME, id=l7policy['redirect_pool_id'])
pool_db = self._get_by_id(context, models.PoolV2, l7policy['redirect_pool_id'])
if pool_db.listener:
raise loadbalancerv2.EntityInUse(
entity_using=models.Listener.NAME,
id=pool_db.listener.id,
entity_in_use=models.PoolV2.NAME)
if pool_db.l7policy:
raise loadbalancerv2.EntityInUse(
entity_using=models.L7Policy.NAME,
id=pool_db.l7policy.id,
entity_in_use=models.PoolV2.NAME)
if pool_db.protocol != lb_const.PROTOCOL_HTTP:
raise loadbalancerv2.PoolProtocolMismatchForL7Policy()
with context.session.begin(subtransactions=True):
listener_id = l7policy.get('listener_id')
listener_db = self._get_resource(
context, models.Listener, listener_id)
if not listener_db:
raise loadbalancerv2.EntityNotFound(
name=models.Listener.NAME, id=listener_id)
#Not allow user config l7policy for TCP
if listener_db.protocol != lb_const.PROTOCOL_HTTP:
raise loadbalancerv2.ListenerProtocolMismatchForL7Policy()
if l7policy['action'] == lb_const.L7_POLICY_ACTION_REDIRECT_TO_POOL:
if listener_db.loadbalancer.vip_network_id!=pool_db.network_id:
raise loadbalancerv2.LoadBalancerPoolNetworkMismatch()
if listener_db.loadbalancer.vip_subnet_id!=pool_db.subnet_id:
raise loadbalancerv2.LoadBalancerPoolSubnetMismatch()
self._load_id_and_tenant_id(context, l7policy)
l7policy['status'] = constants.PENDING_CREATE
if l7policy['position'] < 0:
l7policy['position'] = sys.maxint
l7policy['created_at'] = timeutils.utcnow()
l7policy_db = models.L7Policy(**l7policy)
listener_db.l7_policies.insert(l7policy['position'], l7policy_db)
return data_models.L7Policy.from_sqlalchemy_model(l7policy_db)
def update_listener(self, context, id, listener):
with contextlib.nested(lockutils.lock('db-access'),
context.session.begin(subtransactions=True)):
listener_db = self._get_resource(context, models.Listener, id)
admin_enable = listener.get('admin_state_up')
if (admin_enable is not None and admin_enable==False
and listener_db.admin_state_up==True):
filters = {'loadbalancer_id': [listener_db.loadbalancer_id],
'admin_state_up': [True]}
up_listeners = self._get_resources(context,
models.Listener,
filters=filters)
if len(up_listeners)<=1 :
raise loadbalancerv2.OneListenerAdminStateUpAtLeast(
lb_id=listener_db.loadbalancer_id)
pool_id = listener.get('default_pool_id')
lb_id = listener.get('loadbalancer_id')
# Do not allow changing loadbalancer ids
if listener_db.loadbalancer_id and lb_id:
raise loadbalancerv2.AttributeIDImmutable(
attribute='loadbalancer_id')
# Do not allow changing pool ids
#if listener_db.default_pool_id and pool_id:
# raise loadbalancerv2.AttributeIDImmutable(
# attribute='default_pool_id')
if lb_id:
if not self._resource_exists(context, models.LoadBalancer,
lb_id):
raise loadbalancerv2.EntityNotFound(
name=models.LoadBalancer.NAME, id=lb_id)
loadbalancer_db = listener_db.loadbalancer
if pool_id:
if not self._resource_exists(context, models.PoolV2, pool_id):
raise loadbalancerv2.EntityNotFound(
name=models.PoolV2.NAME, id=pool_id)
pool = self._get_resource(context, models.PoolV2, pool_id)
if pool.subnet_id:
if loadbalancer_db.vip_subnet_id != pool.subnet_id:
raise loadbalancerv2.LoadBalancerPoolSubnetMismatch()
else:
if loadbalancer_db.vip_subnet_id:
raise loadbalancerv2.LoadBalancerPoolSubnetMismatch()
elif loadbalancer_db.vip_network_id!=pool.network_id:
raise loadbalancerv2.LoadBalancerPoolNetworkMismatch()
protocol = listener.get('protocol') or listener_db.protocol
if pool.protocol != protocol:
raise loadbalancerv2.ListenerPoolProtocolMismatch(
listener_proto=protocol,
pool_proto=pool.protocol)
filters = {'default_pool_id': [pool_id]}
listenerpools = self._get_resources(context,
models.Listener,
filters=filters)
if listenerpools:
if listenerpools[0].id!=id:
raise loadbalancerv2.EntityInUse(
entity_using=models.Listener.NAME,
id=listenerpools[0].id,
entity_in_use=models.PoolV2.NAME)
filters = {'redirect_pool_id': [pool_id]}
l7policypools = self._get_resources(context,
models.L7Policy,
filters=filters)
if l7policypools:
raise loadbalancerv2.EntityInUse(
entity_using=models.L7Policy.NAME,
id=l7policypools[0].id,
entity_in_use=models.PoolV2.NAME)
if (listener_db.default_pool_id and
listener_db.default_pool_id != pool_id):
self.update_status(context, models.PoolV2,
listener_db.default_pool_id, constants.DEFERRED)
else:
#Only if the default_pool_id exists and set to None
if 'default_pool_id' in listener:
listener['default_pool_id'] = None
listener['default_pool'] = None
listener_db.update(listener)
context.session.refresh(listener_db)
return data_models.Listener.from_sqlalchemy_model(listener_db)
def create_listener(self, context, listener):
try:
with contextlib.nested(lockutils.lock('db-access'),
context.session.begin(subtransactions=True)):
self._load_id_and_tenant_id(context, listener)
listener['status'] = constants.PENDING_CREATE
# Check for unspecified loadbalancer_id and listener_id and
# set to None
for id in ['loadbalancer_id', 'default_pool_id']:
if listener.get(id) == attributes.ATTR_NOT_SPECIFIED:
listener[id] = None
pool_id = listener.get('default_pool_id')
lb_id = listener.get('loadbalancer_id')
if lb_id:
if not self._resource_exists(context, models.LoadBalancer,
lb_id):
raise loadbalancerv2.EntityNotFound(
name=models.LoadBalancer.NAME, id=lb_id)
loadbalancer_db = self._get_resource(context, models.LoadBalancer, lb_id)
if pool_id:
if not self._resource_exists(context, models.PoolV2,
pool_id):
raise loadbalancerv2.EntityNotFound(
name=models.PoolV2.NAME, id=pool_id)
pool = self._get_resource(context, models.PoolV2, pool_id)
if pool.subnet_id:
if loadbalancer_db.vip_subnet_id != pool.subnet_id:
raise loadbalancerv2.LoadBalancerPoolSubnetMismatch()
else:
if loadbalancer_db.subnet_id:
raise loadbalancerv2.LoadBalancerPoolSubnetMismatch()
elif loadbalancer_db.network_id!=pool.network_id:
raise loadbalancerv2.LoadBalancerPoolNetworkMismatch()
if ((pool.protocol, listener.get('protocol'))
not in lb_const.LISTENER_POOL_COMPATIBLE_PROTOCOLS):
raise loadbalancerv2.ListenerPoolProtocolMismatch(
listener_proto=listener['protocol'],
pool_proto=pool.protocol)
filters = {'default_pool_id': [pool_id]}
listenerpools = self._get_resources(context,
models.Listener,
filters=filters)
if listenerpools:
raise loadbalancerv2.EntityInUse(
entity_using=models.Listener.NAME,
id=listenerpools[0].id,
entity_in_use=models.PoolV2.NAME)
filters = {'redirect_pool_id': [pool_id]}
l7policypools = self._get_resources(context,
models.L7Policy,
filters=filters)
if l7policypools:
raise loadbalancerv2.EntityInUse(
entity_using=models.L7Policy.NAME,
id=l7policypools[0].id,
entity_in_use=models.PoolV2.NAME)
listener['created_at'] = timeutils.utcnow()
listener_db_entry = models.Listener(**listener)
context.session.add(listener_db_entry)
except exception.DBDuplicateEntry:
raise loadbalancerv2.LoadBalancerListenerProtocolPortExists(
lb_id=listener['loadbalancer_id'],
protocol_port=listener['protocol_port'])
return data_models.Listener.from_sqlalchemy_model(listener_db_entry)
