def sanitize_policy_profile_table(self):
"""Clear policy profiles from stale VSM."""
db_session = db.get_session()
hosts = config.get_vsm_hosts()
vsm_info = db_session.query(
n1kv_models.PolicyProfile.vsm_ip).distinct()
if vsm_info is None or hosts is None:
return
vsm_ips = [vsm_ip[0] for vsm_ip in vsm_info if vsm_ip[0] not in hosts]
for vsm_ip in vsm_ips:
pprofiles = n1kv_db.get_policy_profiles_by_host(vsm_ip, db_session)
for pprofile in pprofiles:
# Do not delete profile if it is in use and if it
# is the only VSM to have it configured
pp_in_use = n1kv_db.policy_profile_in_use(
pprofile['id'], db_session)
num_vsm_using_pp = db_session.query(
n1kv_models.PolicyProfile).filter_by(
id=pprofile['id']).count()
if (not pp_in_use) or (num_vsm_using_pp > 1):
db_session.delete(pprofile)
db_session.flush()
else:
LOG.warning(
_LW('Cannot delete policy profile %s '
'as it is in use.'), pprofile['id'])
def sanitize_policy_profile_table(self):
"""Clear policy profiles from stale VSM."""
db_session = db.get_session()
hosts = config.get_vsm_hosts()
vsm_info = db_session.query(
n1kv_models.PolicyProfile.vsm_ip).distinct()
if vsm_info is None or hosts is None:
return
vsm_ips = [vsm_ip[0] for vsm_ip in vsm_info if vsm_ip[0] not in hosts]
for vsm_ip in vsm_ips:
pprofiles = n1kv_db.get_policy_profiles_by_host(vsm_ip, db_session)
for pprofile in pprofiles:
# Do not delete profile if it is in use and if it
# is the only VSM to have it configured
pp_in_use = n1kv_db.policy_profile_in_use(pprofile['id'],
db_session)
num_vsm_using_pp = db_session.query(
n1kv_models.PolicyProfile).filter_by(
id=pprofile['id']).count()
if (not pp_in_use) or (num_vsm_using_pp > 1):
db_session.delete(pprofile)
db_session.flush()
else:
LOG.warning(_LW('Cannot delete policy profile %s '
'as it is in use.'), pprofile['id'])
def _populate_policy_profiles(self):
"""Populate all the policy profiles from VSM."""
hosts = config.get_vsm_hosts()
for vsm_ip in hosts:
try:
policy_profiles = self.n1kvclient.list_port_profiles(vsm_ip)
vsm_profiles = {}
plugin_profiles_set = set()
# Fetch policy profiles from VSM
for profile_name in policy_profiles:
profile_id = (policy_profiles[profile_name]
[n1kv_const.PROPERTIES][n1kv_const.ID])
vsm_profiles[profile_id] = profile_name
# Fetch policy profiles previously populated
for profile in self._get_policy_profiles_by_host(vsm_ip):
plugin_profiles_set.add(profile.id)
vsm_profiles_set = set(vsm_profiles)
# Update database if the profile sets differ.
if vsm_profiles_set.symmetric_difference(plugin_profiles_set):
# Add new profiles to database if they were created in VSM
for pid in vsm_profiles_set.difference(
plugin_profiles_set):
self._add_policy_profile(pid, vsm_profiles[pid],
vsm_ip)
# Delete profiles from database if they were deleted in VSM
for pid in plugin_profiles_set.difference(
vsm_profiles_set):
if not n1kv_db.policy_profile_in_use(pid):
self._remove_policy_profile(pid, vsm_ip)
else:
LOG.warning(_LW('Policy profile %s in use'), pid)
except (n1kv_exc.VSMError, n1kv_exc.VSMConnectionFailed):
with excutils.save_and_reraise_exception(reraise=False):
LOG.warning(_LW('No policy profile populated from VSM'))
self.sanitize_policy_profile_table()
def __init__(self, db_base_plugin_obj):
self.n1kvclient = n1kv_client.Client()
self.db_base_plugin = db_base_plugin_obj
self.sync_resource = {n1kv_const.NETWORK_PROFILES: False,
n1kv_const.NETWORKS: False,
n1kv_const.SUBNETS: False,
n1kv_const.PORTS: False}
self.sync_sleep_duration = cfg.CONF.ml2_cisco_n1kv.sync_interval
# default to True so that BDs for all VSMs are synced at a neutron
# restart
self.sync_bds = {vsm_ip: True for vsm_ip in
config.get_vsm_hosts()}
self.bd_names = set()
def __init__(self, db_base_plugin_obj):
self.n1kvclient = n1kv_client.Client()
self.db_base_plugin = db_base_plugin_obj
self.sync_resource = {n1kv_const.NETWORK_PROFILES: False,
n1kv_const.NETWORKS: False,
n1kv_const.SUBNETS: False,
n1kv_const.PORTS: False}
self.sync_sleep_duration = cfg.CONF.ml2_cisco_n1kv.sync_interval
# default to True so that BDs for all VSMs are synced at a neutron
# restart
self.sync_bds = {vsm_ip: True for vsm_ip in
config.get_vsm_hosts()}
self.bd_names = set()
def get_policy_profile_by_uuid(db_session, pprofile_id):
"""
Retrieve policy profile by its UUID.
:param db_session: database session
:param profile_id: string representing the UUID of the policy profile
:returns: policy profile object
"""
db_session = db_session or db.get_session()
vsm_hosts = config.get_vsm_hosts()
pp = n1kv_models.PolicyProfile
pprofiles = (db_session.query(pp).filter(
sql.and_(pp.id == pprofile_id, pp.vsm_ip.in_(vsm_hosts))).all())
if pprofiles and check_policy_profile_exists_on_all_vsm(
pprofiles, vsm_hosts):
return pprofiles[0]
else:
raise n1kv_exc.PolicyProfileNotFound(profile=pprofile_id)
def get_policy_profile_by_name(name, db_session=None):
"""
Retrieve policy profile by name.
:param name: string representing the name of the policy profile
:param db_session: database session
:returns: policy profile object
"""
db_session = db_session or db.get_session()
vsm_hosts = config.get_vsm_hosts()
pp = n1kv_models.PolicyProfile
pprofiles = db_session.query(pp).filter(
sql.and_(pp.name == name, pp.vsm_ip.in_(vsm_hosts))).all()
if pprofiles and check_policy_profile_exists_on_all_vsm(
pprofiles, vsm_hosts):
return pprofiles[0]
else:
raise n1kv_exc.PolicyProfileNotFound(profile=name)
def get_policy_profile_by_name(name, db_session=None):
"""
Retrieve policy profile by name.
:param name: string representing the name of the policy profile
:param db_session: database session
:returns: policy profile object
"""
db_session = db_session or db.get_session()
vsm_hosts = config.get_vsm_hosts()
pp = n1kv_models.PolicyProfile
pprofiles = db_session.query(pp).filter(
sql.and_(pp.name == name, pp.vsm_ip.in_(vsm_hosts))).all()
if pprofiles and check_policy_profile_exists_on_all_vsm(pprofiles,
vsm_hosts):
return pprofiles[0]
else:
raise n1kv_exc.PolicyProfileNotFound(profile=name)
def get_policy_profile_by_uuid(db_session, pprofile_id):
"""
Retrieve policy profile by its UUID.
:param db_session: database session
:param profile_id: string representing the UUID of the policy profile
:returns: policy profile object
"""
db_session = db_session or db.get_session()
vsm_hosts = config.get_vsm_hosts()
pp = n1kv_models.PolicyProfile
pprofiles = (db_session.query(pp).
filter(sql.and_(pp.id == pprofile_id,
pp.vsm_ip.in_(vsm_hosts))).all())
if pprofiles and check_policy_profile_exists_on_all_vsm(pprofiles,
vsm_hosts):
return pprofiles[0]
else:
raise n1kv_exc.PolicyProfileNotFound(profile=pprofile_id)
def do_sync(self):
"""
Entry point function for VSM-Neutron sync.
Triggered on an eventlet from the N1kv mechanism driver.
"""
while True:
try:
vsm_hosts = config.get_vsm_hosts()
for vsm_ip in vsm_hosts:
try:
self._sync_vsm(vsm_ip=vsm_ip)
except n1kv_exc.VSMConnectionFailed:
LOG.warning('Sync thread exception: VSM '
'%s unreachable.' % vsm_ip)
except n1kv_exc.VSMError:
LOG.warning('Sync thread exception: Internal '
'server error on VSM %s.' % vsm_ip)
except Exception as e:
LOG.warning('Sync thread exception: %s' % e.message)
eventlet.sleep(seconds=self.sync_sleep_duration)
def do_sync(self):
"""
Entry point function for VSM-Neutron sync.
Triggered on an eventlet from the N1kv mechanism driver.
"""
while True:
try:
vsm_hosts = config.get_vsm_hosts()
for vsm_ip in vsm_hosts:
try:
self._sync_vsm(vsm_ip=vsm_ip)
except n1kv_exc.VSMConnectionFailed:
LOG.warning(_LW('Sync thread exception: VSM '
'%s unreachable.') % vsm_ip)
except n1kv_exc.VSMError:
LOG.warning(_LW('Sync thread exception: Internal '
'server error on VSM %s.') % vsm_ip)
except Exception as e:
LOG.warning(_LW('Sync thread exception: %s') % e.message)
eventlet.sleep(seconds=self.sync_sleep_duration)
def __init__(self, **kwargs):
"""Initialize a new client for the plugin."""
self.format = 'json'
# Extract configuration parameters from the configuration file.
self.username = cfg.CONF.ml2_cisco_n1kv.username
self.password = cfg.CONF.ml2_cisco_n1kv.password
self.vsm_ips = config.get_vsm_hosts()
self.action_prefix = 'http://%s/api/n1k'
self.timeout = cfg.CONF.ml2_cisco_n1kv.http_timeout
self.max_vsm_retries = cfg.CONF.ml2_cisco_n1kv.max_vsm_retries
required_opts = ('vsm_ips', 'username', 'password')
# Validate whether required options are configured
for opt in required_opts:
if not getattr(self, opt):
raise cfg.RequiredOptError(opt, 'ml2_cisco_n1kv')
# Validate the configured VSM IP addresses
# Note: Currently only support IPv4
for vsm_ip in self.vsm_ips:
if not (netaddr.valid_ipv4(vsm_ip) or netaddr.valid_ipv6(vsm_ip)):
raise cfg.Error(
_("Cisco Nexus1000V ML2 driver config: "
"Invalid format for VSM IP address: %s") % vsm_ip)
def __init__(self, **kwargs):
"""Initialize a new client for the plugin."""
self.format = 'json'
# Extract configuration parameters from the configuration file.
self.username = cfg.CONF.ml2_cisco_n1kv.username
self.password = cfg.CONF.ml2_cisco_n1kv.password
self.vsm_ips = config.get_vsm_hosts()
self.action_prefix = 'http://%s/api/n1k'
self.timeout = cfg.CONF.ml2_cisco_n1kv.http_timeout
self.max_vsm_retries = cfg.CONF.ml2_cisco_n1kv.max_vsm_retries
required_opts = ('vsm_ips', 'username', 'password')
# Validate whether required options are configured
for opt in required_opts:
if not getattr(self, opt):
raise cfg.RequiredOptError(opt, 'ml2_cisco_n1kv')
# Validate the configured VSM IP addresses
# Note: Currently only support IPv4
for vsm_ip in self.vsm_ips:
if not (netaddr.valid_ipv4(vsm_ip) or netaddr.valid_ipv6(vsm_ip)):
raise cfg.Error(_("Cisco Nexus1000V ML2 driver config: "
"Invalid format for VSM IP address: %s") %
vsm_ip)
