def create_policy_rule(self, context, rule_cls, policy_id, rule_data):
"""Create a QoS policy rule.
:param context: neutron api request context
:type context: neutron.context.Context
:param rule_cls: the rule object class
:type rule_cls: a class from the rule_object (qos.objects.rule) module
:param policy_id: the id of the QosPolicy for which to create the rule
:type policy_id: str uuid
:param rule_data: the rule data to be applied
:type rule_data: dict
:returns: a QoS policy rule object
"""
rule_type = rule_cls.rule_type
rule_data = rule_data[rule_type + '_rule']
with db_api.autonested_transaction(context.session):
# Ensure that we have access to the policy.
policy = policy_object.QosPolicy.get_policy_obj(context, policy_id)
checker.check_bandwidth_rule_conflict(policy, rule_data)
rule = rule_cls(context, qos_policy_id=policy_id, **rule_data)
checker.check_rules_conflict(policy, rule)
rule.create()
policy.obj_load_attr('rules')
self.validate_policy(context, policy)
if rule.rule_type == qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH:
self.reject_min_bw_rule_updates(context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY_PRECOMMIT,
context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY, context, policy)
return rule
def create_policy_rule(self, context, rule_cls, policy_id, rule_data):
"""Create a QoS policy rule.
:param context: neutron api request context
:type context: neutron.context.Context
:param rule_cls: the rule object class
:type rule_cls: a class from the rule_object (qos.objects.rule) module
:param policy_id: the id of the QosPolicy for which to create the rule
:type policy_id: str uuid
:param rule_data: the rule data to be applied
:type rule_data: dict
:returns: a QoS policy rule object
"""
rule_type = rule_cls.rule_type
rule_data = rule_data[rule_type + '_rule']
with db_api.autonested_transaction(context.session):
# Ensure that we have access to the policy.
policy = policy_object.QosPolicy.get_policy_obj(context, policy_id)
checker.check_bandwidth_rule_conflict(policy, rule_data)
rule = rule_cls(context, qos_policy_id=policy_id, **rule_data)
checker.check_rules_conflict(policy, rule)
rule.create()
policy.obj_load_attr('rules')
self.validate_policy(context, policy)
if rule.rule_type == qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH:
self.reject_min_bw_rule_updates(context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY_PRECOMMIT,
context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY, context, policy)
return rule
def delete_trunk(self, context, trunk_id):
"""Delete the specified trunk."""
with db_api.autonested_transaction(context.session):
trunk = self._get_trunk(context, trunk_id)
rules.trunk_can_be_managed(context, trunk)
trunk_port_validator = rules.TrunkPortValidator(trunk.port_id)
if trunk_port_validator.can_be_trunked_or_untrunked(context):
# NOTE(status_police): when a trunk is deleted, the logical
# object disappears from the datastore, therefore there is no
# status transition involved. If PRECOMMIT failures occur,
# the trunk remains in the status where it was.
try:
trunk.delete()
except Exception as e:
with excutils.save_and_reraise_exception():
LOG.warning(
'Trunk driver raised exception when '
'deleting trunk port %s: %s', trunk_id, str(e))
payload = callbacks.TrunkPayload(context,
trunk_id,
original_trunk=trunk)
registry.notify(resources.TRUNK,
events.PRECOMMIT_DELETE,
self,
payload=payload)
else:
LOG.info(
'Trunk driver does not consider trunk %s '
'untrunkable', trunk_id)
raise trunk_exc.TrunkInUse(trunk_id=trunk_id)
registry.notify(constants.TRUNK,
events.AFTER_DELETE,
self,
payload=payload)
def get_policy_rule(self,
context,
rule_cls,
rule_id,
policy_id,
fields=None):
"""Get a QoS policy rule.
:param context: neutron api request context
:type context: neutron.context.Context
:param rule_cls: the rule object class
:type rule_cls: a class from the rule_object (qos.objects.rule) module
:param rule_id: the id of the QoS policy rule to get
:type rule_id: str uuid
:param policy_id: the id of the rule's policy
:type policy_id: str uuid
:returns: a QoS policy rule object
:raises: qos_exc.QosRuleNotFound
"""
with db_api.autonested_transaction(context.session):
# Ensure we have access to the policy.
policy_object.QosPolicy.get_policy_obj(context, policy_id)
rule = rule_cls.get_object(context, id=rule_id)
if not rule:
raise qos_exc.QosRuleNotFound(policy_id=policy_id, rule_id=rule_id)
return rule
def delete_policy_rule(self, context, rule_cls, rule_id, policy_id):
"""Delete a QoS policy rule.
:param context: neutron api request context
:type context: neutron.context.Context
:param rule_cls: the rule object class
:type rule_cls: a class from the rule_object (qos.objects.rule) module
:param rule_id: the id of the QosPolicy Rule to delete
:type rule_id: str uuid
:param policy_id: the id of the rule's policy
:type policy_id: str uuid
:returns: None
"""
with db_api.autonested_transaction(context.session):
# Ensure we have access to the policy.
policy = policy_object.QosPolicy.get_policy_obj(context, policy_id)
rule = policy.get_rule_by_id(rule_id)
rule.delete()
policy.obj_load_attr('rules')
if rule.rule_type == qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH:
self.reject_min_bw_rule_updates(context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY_PRECOMMIT,
context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY, context, policy)
def update_trunk(self, context, trunk_id, trunk):
"""Update information for the specified trunk."""
trunk_data = trunk['trunk']
with db_api.autonested_transaction(context.session):
trunk_obj = self._get_trunk(context, trunk_id)
original_trunk = copy.deepcopy(trunk_obj)
# NOTE(status_police): a trunk status should not change during an
# update_trunk(), even in face of PRECOMMIT failures. This is
# because only name and admin_state_up are being affected, and
# these are DB properties only.
trunk_obj.update_fields(trunk_data, reset_changes=True)
trunk_obj.update()
payload = events.DBEventPayload(context,
resource_id=trunk_id,
states=(original_trunk, ),
desired_state=trunk_obj,
request_body=trunk_data)
registry.publish(resources.TRUNK,
events.PRECOMMIT_UPDATE,
self,
payload=payload)
registry.notify(resources.TRUNK,
events.AFTER_UPDATE,
self,
payload=callbacks.TrunkPayload(
context,
trunk_id,
original_trunk=original_trunk,
current_trunk=trunk_obj))
return trunk_obj
def get_policy_rules(self,
context,
rule_cls,
policy_id,
filters=None,
fields=None,
sorts=None,
limit=None,
marker=None,
page_reverse=False):
"""Get QoS policy rules.
:param context: neutron api request context
:type context: neutron.context.Context
:param rule_cls: the rule object class
:type rule_cls: a class from the rule_object (qos.objects.rule) module
:param policy_id: the id of the QosPolicy for which to get rules
:type policy_id: str uuid
:returns: QoS policy rule objects meeting the search criteria
"""
with db_api.autonested_transaction(context.session):
# Ensure we have access to the policy.
policy_object.QosPolicy.get_policy_obj(context, policy_id)
filters = filters or dict()
filters[qos_consts.QOS_POLICY_ID] = policy_id
pager = base_obj.Pager(sorts, limit, page_reverse, marker)
return rule_cls.get_objects(context, _pager=pager, **filters)
def delete_trunk(self, context, trunk_id):
"""Delete the specified trunk."""
with db_api.autonested_transaction(context.session):
trunk = self._get_trunk(context, trunk_id)
rules.trunk_can_be_managed(context, trunk)
trunk_port_validator = rules.TrunkPortValidator(trunk.port_id)
if trunk_port_validator.can_be_trunked_or_untrunked(context):
# NOTE(status_police): when a trunk is deleted, the logical
# object disappears from the datastore, therefore there is no
# status transition involved. If PRECOMMIT failures occur,
# the trunk remains in the status where it was.
trunk.delete()
payload = callbacks.TrunkPayload(context,
trunk_id,
original_trunk=trunk)
registry.notify(resources.TRUNK,
events.PRECOMMIT_DELETE,
self,
payload=payload)
else:
raise trunk_exc.TrunkInUse(trunk_id=trunk_id)
registry.notify(resources.TRUNK,
events.AFTER_DELETE,
self,
payload=payload)
def delete_policy_rule(self, context, rule_cls, rule_id, policy_id):
"""Delete a QoS policy rule.
:param context: neutron api request context
:type context: neutron.context.Context
:param rule_cls: the rule object class
:type rule_cls: a class from the rule_object (qos.objects.rule) module
:param rule_id: the id of the QosPolicy Rule to delete
:type rule_id: str uuid
:param policy_id: the id of the rule's policy
:type policy_id: str uuid
:returns: None
"""
with db_api.autonested_transaction(context.session):
# Ensure we have access to the policy.
policy = policy_object.QosPolicy.get_policy_obj(context, policy_id)
rule = policy.get_rule_by_id(rule_id)
rule.delete()
policy.obj_load_attr('rules')
if rule.rule_type == qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH:
self.reject_min_bw_rule_updates(context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY_PRECOMMIT,
context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY, context, policy)
def create_ha_port_and_bind(self,
plugin,
context,
router_id,
tenant_id,
agent,
is_manual_scheduling=False):
"""Creates and binds a new HA port for this agent."""
ctxt = context.elevated()
router_db = plugin._get_router(ctxt, router_id)
creator = functools.partial(self._add_port_from_net_and_ensure_vr_id,
plugin, ctxt, router_db, tenant_id)
dep_getter = functools.partial(plugin.get_ha_network, ctxt, tenant_id)
dep_creator = functools.partial(plugin._create_ha_network, ctxt,
tenant_id)
dep_deleter = functools.partial(plugin._delete_ha_network, ctxt)
dep_id_attr = 'network_id'
# This might fail in case of concurrent calls, which is good for us
# as we can skip the rest of this function.
binding = self.bind_router(plugin,
context,
router_id,
agent['id'],
is_manual_scheduling=is_manual_scheduling,
is_ha=True)
if not binding:
return
try:
port_binding = utils.create_object_with_dependency(
creator, dep_getter, dep_creator, dep_id_attr, dep_deleter)[0]
# NOTE(ralonsoh): to be migrated to the new facade that can't be
# used with "create_object_with_dependency".
with lib_db_api.autonested_transaction(context.session):
port_binding.l3_agent_id = agent['id']
except db_exc.DBDuplicateEntry:
LOG.debug(
"Router %(router)s already scheduled for agent "
"%(agent)s", {
'router': router_id,
'agent': agent['id']
})
port_id = port_binding.port_id
# Below call will also delete entry from L3HARouterAgentPortBinding
# and RouterPort tables
plugin._core_plugin.delete_port(context,
port_id,
l3_port_check=False)
except l3_exc.RouterNotFound:
LOG.debug(
'Router %s has already been removed '
'by concurrent operation', router_id)
# we try to clear the HA network here in case the port we created
# blocked the concurrent router delete operation from getting rid
# of the HA network
ha_net = plugin.get_ha_network(ctxt, tenant_id)
if ha_net:
plugin.safe_delete_ha_network(ctxt, ha_net, tenant_id)
def add_subports(self, context, trunk_id, subports):
"""Add one or more subports to trunk."""
with db_api.autonested_transaction(context.session):
trunk = self._get_trunk(context, trunk_id)
# Check for basic validation since the request body here is not
# automatically validated by the API layer.
subports = subports['sub_ports']
subports_validator = rules.SubPortsValidator(
self._segmentation_types, subports, trunk['port_id'])
subports = subports_validator.validate(context,
basic_validation=True)
added_subports = []
rules.trunk_can_be_managed(context, trunk)
original_trunk = copy.deepcopy(trunk)
# NOTE(status_police): the trunk status should transition to
# DOWN (and finally in ACTIVE or ERROR), only if it is not in
# ERROR status already. A user should attempt to resolve the ERROR
# condition before adding more subports to the trunk. Should a
# trunk be in DOWN or BUILD state (e.g. when dealing with
# multiple concurrent requests), the status is still forced to
# DOWN and thus can potentially overwrite an interleaving state
# change to ACTIVE. Eventually the driver should bring the status
# back to ACTIVE or ERROR.
if trunk.status == constants.ERROR_STATUS:
raise trunk_exc.TrunkInErrorState(trunk_id=trunk_id)
else:
trunk.update(status=constants.DOWN_STATUS)
for subport in subports:
obj = trunk_objects.SubPort(
context=context,
trunk_id=trunk_id,
port_id=subport['port_id'],
segmentation_type=subport['segmentation_type'],
segmentation_id=subport['segmentation_id'])
obj.create()
trunk['sub_ports'].append(obj)
added_subports.append(obj)
payload = callbacks.TrunkPayload(context,
trunk_id,
current_trunk=trunk,
original_trunk=original_trunk,
subports=added_subports)
if added_subports:
registry.notify(resources.SUBPORTS,
events.PRECOMMIT_CREATE,
self,
payload=payload)
if added_subports:
registry.notify(resources.SUBPORTS,
events.AFTER_CREATE,
self,
payload=payload)
return trunk
def get_object(cls, context, **kwargs):
# We want to get the policy regardless of its tenant id. We'll make
# sure the tenant has permission to access the policy later on.
admin_context = context.elevated()
with db_api.autonested_transaction(admin_context.session):
obj = super(ClassificationGroup,
cls).get_object(admin_context, **kwargs)
if not obj or not cls.is_accessible(context, obj):
return
return obj
def get_objects(cls,
context,
_pager=None,
validate_filters=True,
**kwargs):
with db_api.autonested_transaction(context.session):
objects = super(ClassificationBase,
cls).get_objects(context, _pager, validate_filters,
**kwargs)
return objects
def remove_subports(self, context, trunk_id, subports):
"""Remove one or more subports from trunk."""
subports = subports['sub_ports']
with db_api.autonested_transaction(context.session):
trunk = self._get_trunk(context, trunk_id)
original_trunk = copy.deepcopy(trunk)
rules.trunk_can_be_managed(context, trunk)
subports_validator = rules.SubPortsValidator(
self._segmentation_types, subports)
# the subports are being removed, therefore we do not need to
# enforce any specific trunk rules, other than basic validation
# of the request body.
subports = subports_validator.validate(context,
basic_validation=True,
trunk_validation=False)
current_subports = {p.port_id: p for p in trunk.sub_ports}
removed_subports = []
for subport in subports:
subport_obj = current_subports.pop(subport['port_id'], None)
if not subport_obj:
raise trunk_exc.SubPortNotFound(trunk_id=trunk_id,
port_id=subport['port_id'])
subport_obj.delete()
removed_subports.append(subport_obj)
del trunk.sub_ports[:]
trunk.sub_ports.extend(current_subports.values())
# NOTE(status_police): the trunk status should transition to
# DOWN irrespective of the status in which it is in to allow
# the user to resolve potential conflicts due to prior add_subports
# operations.
# Should a trunk be in DOWN or BUILD state (e.g. when dealing
# with multiple concurrent requests), the status is still forced
# to DOWN. See add_subports() for more details.
trunk.update(status=constants.DOWN_STATUS)
payload = callbacks.TrunkPayload(context,
trunk_id,
current_trunk=trunk,
original_trunk=original_trunk,
subports=removed_subports)
if removed_subports:
registry.notify(resources.SUBPORTS,
events.PRECOMMIT_DELETE,
self,
payload=payload)
if removed_subports:
registry.notify(resources.SUBPORTS,
events.AFTER_DELETE,
self,
payload=payload)
return trunk
def _ensure_default_firewall_group(self, context, tenant_id):
"""Create a default firewall group if one doesn't exist for a tenant
Returns the default firewall group id for a given tenant.
"""
exists = self._get_default_fwg_id(context, tenant_id)
if exists:
return exists
try:
# NOTE(cby): default fwg not created => we try to create it!
with db_api.autonested_transaction(context.session):
fwr_ids = self._create_default_firewall_rules(
context, tenant_id)
ingress_fwp = {
'description': 'Ingress firewall policy',
'firewall_rules': [fwr_ids['in_ipv4'],
fwr_ids['in_ipv6']],
}
egress_fwp = {
'description': 'Egress firewall policy',
'firewall_rules': [fwr_ids['eg_ipv4'],
fwr_ids['eg_ipv6']],
}
ingress_fwp_db = self._create_default_firewall_policy(
context, tenant_id, 'ingress', **ingress_fwp)
egress_fwp_db = self._create_default_firewall_policy(
context, tenant_id, 'egress', **egress_fwp)
fwg = {
'name': const.DEFAULT_FWG,
'tenant_id': tenant_id,
'ingress_firewall_policy_id': ingress_fwp_db['id'],
'egress_firewall_policy_id': egress_fwp_db['id'],
'ports': [],
'shared': False,
'status': nl_constants.INACTIVE,
'admin_state_up': True,
'description': 'Default firewall group',
}
fwg_db = self._create_firewall_group(
context, fwg, default_fwg=True)
context.session.add(DefaultFirewallGroup(
firewall_group_id=fwg_db['id'],
project_id=tenant_id))
return fwg_db['id']
except db_exc.DBDuplicateEntry:
# NOTE(cby): default fwg created concurrently
LOG.debug("Default FWG was concurrently created")
return self._get_default_fwg_id(context, tenant_id)
def _ensure_default_firewall_group(self, context, tenant_id):
"""Create a default firewall group if one doesn't exist for a tenant
Returns the default firewall group id for a given tenant.
"""
exists = self._get_default_fwg_id(context, tenant_id)
if exists:
return exists
try:
# NOTE(cby): default fwg not created => we try to create it!
with db_api.autonested_transaction(context.session):
fwr_ids = self._create_default_firewall_rules(
context, tenant_id)
ingress_fwp = {
'description': 'Ingress firewall policy',
'firewall_rules': [fwr_ids['in_ipv4'],
fwr_ids['in_ipv6']],
}
egress_fwp = {
'description': 'Egress firewall policy',
'firewall_rules': [fwr_ids['eg_ipv4'],
fwr_ids['eg_ipv6']],
}
ingress_fwp_db = self._create_default_firewall_policy(
context, tenant_id, 'ingress', **ingress_fwp)
egress_fwp_db = self._create_default_firewall_policy(
context, tenant_id, 'egress', **egress_fwp)
fwg = {
'name': const.DEFAULT_FWG,
'tenant_id': tenant_id,
'ingress_firewall_policy_id': ingress_fwp_db['id'],
'egress_firewall_policy_id': egress_fwp_db['id'],
'ports': [],
'shared': False,
'status': nl_constants.INACTIVE,
'admin_state_up': True,
'description': 'Default firewall group',
}
fwg_db = self._create_firewall_group(
context, fwg, default_fwg=True)
context.session.add(DefaultFirewallGroup(
firewall_group_id=fwg_db['id'],
project_id=tenant_id))
return fwg_db['id']
except db_exc.DBDuplicateEntry:
# NOTE(cby): default fwg created concurrently
LOG.debug("Default FWG was concurrently created")
return self._get_default_fwg_id(context, tenant_id)
def add_subports(self, context, trunk_id, subports):
"""Add one or more subports to trunk."""
with db_api.autonested_transaction(context.session):
trunk = self._get_trunk(context, trunk_id)
# Check for basic validation since the request body here is not
# automatically validated by the API layer.
subports = subports['sub_ports']
subports_validator = rules.SubPortsValidator(
self._segmentation_types, subports, trunk['port_id'])
subports = subports_validator.validate(
context, basic_validation=True)
added_subports = []
rules.trunk_can_be_managed(context, trunk)
original_trunk = copy.deepcopy(trunk)
# NOTE(status_police): the trunk status should transition to
# DOWN (and finally in ACTIVE or ERROR), only if it is not in
# ERROR status already. A user should attempt to resolve the ERROR
# condition before adding more subports to the trunk. Should a
# trunk be in DOWN or BUILD state (e.g. when dealing with
# multiple concurrent requests), the status is still forced to
# DOWN and thus can potentially overwrite an interleaving state
# change to ACTIVE. Eventually the driver should bring the status
# back to ACTIVE or ERROR.
if trunk.status == constants.ERROR_STATUS:
raise trunk_exc.TrunkInErrorState(trunk_id=trunk_id)
else:
trunk.update(status=constants.DOWN_STATUS)
for subport in subports:
obj = trunk_objects.SubPort(
context=context,
trunk_id=trunk_id,
port_id=subport['port_id'],
segmentation_type=subport['segmentation_type'],
segmentation_id=subport['segmentation_id'])
obj.create()
trunk['sub_ports'].append(obj)
added_subports.append(obj)
payload = callbacks.TrunkPayload(context, trunk_id,
current_trunk=trunk,
original_trunk=original_trunk,
subports=added_subports)
if added_subports:
registry.notify(constants.SUBPORTS, events.PRECOMMIT_CREATE,
self, payload=payload)
if added_subports:
registry.notify(
constants.SUBPORTS, events.AFTER_CREATE, self, payload=payload)
return trunk
def remove_subports(self, context, trunk_id, subports):
"""Remove one or more subports from trunk."""
subports = subports['sub_ports']
with db_api.autonested_transaction(context.session):
trunk = self._get_trunk(context, trunk_id)
original_trunk = copy.deepcopy(trunk)
rules.trunk_can_be_managed(context, trunk)
subports_validator = rules.SubPortsValidator(
self._segmentation_types, subports)
# the subports are being removed, therefore we do not need to
# enforce any specific trunk rules, other than basic validation
# of the request body.
subports = subports_validator.validate(
context, basic_validation=True,
trunk_validation=False)
current_subports = {p.port_id: p for p in trunk.sub_ports}
removed_subports = []
for subport in subports:
subport_obj = current_subports.pop(subport['port_id'], None)
if not subport_obj:
raise trunk_exc.SubPortNotFound(trunk_id=trunk_id,
port_id=subport['port_id'])
subport_obj.delete()
removed_subports.append(subport_obj)
del trunk.sub_ports[:]
trunk.sub_ports.extend(current_subports.values())
# NOTE(status_police): the trunk status should transition to
# DOWN irrespective of the status in which it is in to allow
# the user to resolve potential conflicts due to prior add_subports
# operations.
# Should a trunk be in DOWN or BUILD state (e.g. when dealing
# with multiple concurrent requests), the status is still forced
# to DOWN. See add_subports() for more details.
trunk.update(status=constants.DOWN_STATUS)
payload = callbacks.TrunkPayload(context, trunk_id,
current_trunk=trunk,
original_trunk=original_trunk,
subports=removed_subports)
if removed_subports:
registry.notify(constants.SUBPORTS, events.PRECOMMIT_DELETE,
self, payload=payload)
if removed_subports:
registry.notify(
constants.SUBPORTS, events.AFTER_DELETE, self, payload=payload)
return trunk
def create_ha_port_and_bind(self, plugin, context, router_id,
tenant_id, agent, is_manual_scheduling=False):
"""Creates and binds a new HA port for this agent."""
ctxt = context.elevated()
router_db = plugin._get_router(ctxt, router_id)
creator = functools.partial(self._add_port_from_net_and_ensure_vr_id,
plugin, ctxt, router_db, tenant_id)
dep_getter = functools.partial(plugin.get_ha_network, ctxt, tenant_id)
dep_creator = functools.partial(plugin._create_ha_network,
ctxt, tenant_id)
dep_deleter = functools.partial(plugin._delete_ha_network, ctxt)
dep_id_attr = 'network_id'
# This might fail in case of concurrent calls, which is good for us
# as we can skip the rest of this function.
binding = self.bind_router(
plugin, context, router_id, agent['id'],
is_manual_scheduling=is_manual_scheduling, is_ha=True)
if not binding:
return
try:
port_binding = utils.create_object_with_dependency(
creator, dep_getter, dep_creator,
dep_id_attr, dep_deleter)[0]
with lib_db_api.autonested_transaction(context.session):
port_binding.l3_agent_id = agent['id']
except db_exc.DBDuplicateEntry:
LOG.debug("Router %(router)s already scheduled for agent "
"%(agent)s", {'router': router_id,
'agent': agent['id']})
port_id = port_binding.port_id
# Below call will also delete entry from L3HARouterAgentPortBinding
# and RouterPort tables
plugin._core_plugin.delete_port(context, port_id,
l3_port_check=False)
except l3_exc.RouterNotFound:
LOG.debug('Router %s has already been removed '
'by concurrent operation', router_id)
# we try to clear the HA network here in case the port we created
# blocked the concurrent router delete operation from getting rid
# of the HA network
ha_net = plugin.get_ha_network(ctxt, tenant_id)
if ha_net:
plugin.safe_delete_ha_network(ctxt, ha_net, tenant_id)
def delete_trunk(self, context, trunk_id):
"""Delete the specified trunk."""
with db_api.autonested_transaction(context.session):
trunk = self._get_trunk(context, trunk_id)
rules.trunk_can_be_managed(context, trunk)
trunk_port_validator = rules.TrunkPortValidator(trunk.port_id)
if not trunk_port_validator.is_bound(context):
# NOTE(status_police): when a trunk is deleted, the logical
# object disappears from the datastore, therefore there is no
# status transition involved. If PRECOMMIT failures occur,
# the trunk remains in the status where it was.
trunk.delete()
payload = callbacks.TrunkPayload(context, trunk_id,
original_trunk=trunk)
registry.notify(constants.TRUNK, events.PRECOMMIT_DELETE, self,
payload=payload)
else:
raise trunk_exc.TrunkInUse(trunk_id=trunk_id)
registry.notify(constants.TRUNK, events.AFTER_DELETE, self,
payload=payload)
def create_trunk(self, context, trunk):
"""Create a trunk."""
trunk = self.validate(context, trunk['trunk'])
sub_ports = [
trunk_objects.SubPort(context=context,
port_id=p['port_id'],
segmentation_id=p['segmentation_id'],
segmentation_type=p['segmentation_type'])
for p in trunk['sub_ports']
]
admin_state_up = trunk.get('admin_state_up', True)
# NOTE(status_police): a trunk is created in DOWN status. Depending
# on the nature of the create request, a driver may set the status
# immediately to ACTIVE if no physical provisioning is required.
# Otherwise a transition to BUILD (or ERROR) should be expected
# depending on how the driver reacts. PRECOMMIT failures prevent the
# trunk from being created altogether.
trunk_description = trunk.get('description', "")
trunk_obj = trunk_objects.Trunk(context=context,
admin_state_up=admin_state_up,
id=uuidutils.generate_uuid(),
name=trunk.get('name', ""),
description=trunk_description,
project_id=trunk['tenant_id'],
port_id=trunk['port_id'],
status=constants.DOWN_STATUS,
sub_ports=sub_ports)
with db_api.autonested_transaction(context.session):
trunk_obj.create()
payload = callbacks.TrunkPayload(context,
trunk_obj.id,
current_trunk=trunk_obj)
registry.notify(resources.TRUNK,
events.PRECOMMIT_CREATE,
self,
payload=payload)
registry.notify(resources.TRUNK,
events.AFTER_CREATE,
self,
payload=payload)
return trunk_obj
def get_policy_rules(self, context, rule_cls, policy_id, filters=None,
fields=None, sorts=None, limit=None, marker=None,
page_reverse=False):
"""Get QoS policy rules.
:param context: neutron api request context
:type context: neutron.context.Context
:param rule_cls: the rule object class
:type rule_cls: a class from the rule_object (qos.objects.rule) module
:param policy_id: the id of the QosPolicy for which to get rules
:type policy_id: str uuid
:returns: QoS policy rule objects meeting the search criteria
"""
with db_api.autonested_transaction(context.session):
# Ensure we have access to the policy.
policy_object.QosPolicy.get_policy_obj(context, policy_id)
filters = filters or dict()
filters[qos_consts.QOS_POLICY_ID] = policy_id
pager = base_obj.Pager(sorts, limit, page_reverse, marker)
return rule_cls.get_objects(context, _pager=pager, **filters)
def update_policy_rule(self, context, rule_cls, rule_id, policy_id,
rule_data):
"""Update a QoS policy rule.
:param context: neutron api request context
:type context: neutron.context.Context
:param rule_cls: the rule object class
:type rule_cls: a class from the rule_object (qos.objects.rule) module
:param rule_id: the id of the QoS policy rule to update
:type rule_id: str uuid
:param policy_id: the id of the rule's policy
:type policy_id: str uuid
:param rule_data: the new rule data to update
:type rule_data: dict
:returns: a QoS policy rule object
"""
rule_type = rule_cls.rule_type
rule_data = rule_data[rule_type + '_rule']
with db_api.autonested_transaction(context.session):
# Ensure we have access to the policy.
policy = policy_object.QosPolicy.get_policy_obj(context, policy_id)
# Ensure the rule belongs to the policy.
checker.check_bandwidth_rule_conflict(policy, rule_data)
policy.get_rule_by_id(rule_id)
rule = rule_cls(context, id=rule_id)
rule.update_fields(rule_data, reset_changes=True)
checker.check_rules_conflict(policy, rule)
rule.update()
policy.obj_load_attr('rules')
self.validate_policy(context, policy)
if rule.rule_type == qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH:
self.reject_min_bw_rule_updates(context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY_PRECOMMIT,
context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY, context, policy)
return rule
def update_policy_rule(self, context, rule_cls, rule_id, policy_id,
rule_data):
"""Update a QoS policy rule.
:param context: neutron api request context
:type context: neutron.context.Context
:param rule_cls: the rule object class
:type rule_cls: a class from the rule_object (qos.objects.rule) module
:param rule_id: the id of the QoS policy rule to update
:type rule_id: str uuid
:param policy_id: the id of the rule's policy
:type policy_id: str uuid
:param rule_data: the new rule data to update
:type rule_data: dict
:returns: a QoS policy rule object
"""
rule_type = rule_cls.rule_type
rule_data = rule_data[rule_type + '_rule']
with db_api.autonested_transaction(context.session):
# Ensure we have access to the policy.
policy = policy_object.QosPolicy.get_policy_obj(context, policy_id)
# Ensure the rule belongs to the policy.
checker.check_bandwidth_rule_conflict(policy, rule_data)
policy.get_rule_by_id(rule_id)
rule = rule_cls(context, id=rule_id)
rule.update_fields(rule_data, reset_changes=True)
checker.check_rules_conflict(policy, rule)
rule.update()
policy.obj_load_attr('rules')
self.validate_policy(context, policy)
if rule.rule_type == qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH:
self.reject_min_bw_rule_updates(context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY_PRECOMMIT,
context, policy)
self.driver_manager.call(qos_consts.UPDATE_POLICY, context, policy)
return rule
def update_trunk(self, context, trunk_id, trunk):
"""Update information for the specified trunk."""
trunk_data = trunk['trunk']
with db_api.autonested_transaction(context.session):
trunk_obj = self._get_trunk(context, trunk_id)
original_trunk = copy.deepcopy(trunk_obj)
# NOTE(status_police): a trunk status should not change during an
# update_trunk(), even in face of PRECOMMIT failures. This is
# because only name and admin_state_up are being affected, and
# these are DB properties only.
trunk_obj.update_fields(trunk_data, reset_changes=True)
trunk_obj.update()
payload = events.DBEventPayload(
context, resource_id=trunk_id, states=(original_trunk,),
desired_state=trunk_obj, request_body=trunk_data)
registry.publish(constants.TRUNK, events.PRECOMMIT_UPDATE, self,
payload=payload)
registry.notify(constants.TRUNK, events.AFTER_UPDATE, self,
payload=callbacks.TrunkPayload(
context, trunk_id,
original_trunk=original_trunk,
current_trunk=trunk_obj))
return trunk_obj
def get_policy_rule(self, context, rule_cls, rule_id, policy_id,
fields=None):
"""Get a QoS policy rule.
:param context: neutron api request context
:type context: neutron.context.Context
:param rule_cls: the rule object class
:type rule_cls: a class from the rule_object (qos.objects.rule) module
:param rule_id: the id of the QoS policy rule to get
:type rule_id: str uuid
:param policy_id: the id of the rule's policy
:type policy_id: str uuid
:returns: a QoS policy rule object
:raises: qos_exc.QosRuleNotFound
"""
with db_api.autonested_transaction(context.session):
# Ensure we have access to the policy.
policy_object.QosPolicy.get_policy_obj(context, policy_id)
rule = rule_cls.get_object(context, id=rule_id)
if not rule:
raise qos_exc.QosRuleNotFound(policy_id=policy_id, rule_id=rule_id)
return rule
def create_trunk(self, context, trunk):
"""Create a trunk."""
trunk = self.validate(context, trunk['trunk'])
sub_ports = [trunk_objects.SubPort(
context=context,
port_id=p['port_id'],
segmentation_id=p['segmentation_id'],
segmentation_type=p['segmentation_type'])
for p in trunk['sub_ports']]
admin_state_up = trunk.get('admin_state_up', True)
# NOTE(status_police): a trunk is created in DOWN status. Depending
# on the nature of the create request, a driver may set the status
# immediately to ACTIVE if no physical provisioning is required.
# Otherwise a transition to BUILD (or ERROR) should be expected
# depending on how the driver reacts. PRECOMMIT failures prevent the
# trunk from being created altogether.
trunk_description = trunk.get('description', "")
trunk_obj = trunk_objects.Trunk(context=context,
admin_state_up=admin_state_up,
id=uuidutils.generate_uuid(),
name=trunk.get('name', ""),
description=trunk_description,
project_id=trunk['tenant_id'],
port_id=trunk['port_id'],
status=constants.DOWN_STATUS,
sub_ports=sub_ports)
with db_api.autonested_transaction(context.session):
trunk_obj.create()
payload = callbacks.TrunkPayload(context, trunk_obj.id,
current_trunk=trunk_obj)
registry.notify(
constants.TRUNK, events.PRECOMMIT_CREATE, self,
payload=payload)
registry.notify(
constants.TRUNK, events.AFTER_CREATE, self, payload=payload)
return trunk_obj
def _get_policy_id(self, context, rule_cls, rule_id):
with db_api.autonested_transaction(context.session):
rule_object = rule_cls.get_object(context, id=rule_id)
if not rule_object:
raise qos_exc.QosRuleNotFound(policy_id="", rule_id=rule_id)
return rule_object.qos_policy_id
def db_context_reader(cls, context):
"""Return read-only session activation decorator."""
if cls.new_facade or cls._use_db_facade(context):
return db_api.CONTEXT_READER.using(context)
return db_api.autonested_transaction(context.session)
def update_trunk_status(self, context, trunk_id, status):
"""Update the trunk status to reflect outcome of data plane wiring."""
with db_api.autonested_transaction(context.session):
trunk = trunk_objects.Trunk.get_object(context, id=trunk_id)
if trunk:
trunk.update(status=status)
def create(self):
with db_api.autonested_transaction(self.obj_context.session):
super(ClassificationBase, self).create()
def update_trunk_status(self, context, trunk_id, status):
"""Update the trunk status to reflect outcome of data plane wiring."""
with db_api.autonested_transaction(context.session):
trunk = trunk_objects.Trunk.get_object(context, id=trunk_id)
if trunk:
trunk.update(status=status)
def set_trunk_status(self, context, trunk_id, status):
with db_api.autonested_transaction(context.session):
trunk = trunk_objects.Trunk.get_object(context, id=trunk_id)
if trunk:
trunk.update(status=status)
def get_object(cls, context, **kwargs):
with db_api.autonested_transaction(context.session):
obj = super(TCPClassification, cls).get_object(context,
c_type='tcp',
**kwargs)
return obj
def _get_policy_id(self, context, rule_cls, rule_id):
with db_api.autonested_transaction(context.session):
rule_object = rule_cls.get_object(context, id=rule_id)
if not rule_object:
raise qos_exc.QosRuleNotFound(policy_id="", rule_id=rule_id)
return rule_object.qos_policy_id
def db_context_reader(cls, context):
"""Return read-only session activation decorator."""
if cls.new_facade or cls._use_db_facade(context):
return db_api.context_manager.reader.using(context)
return lib_db_api.autonested_transaction(context.session)
def _exec(self, method_name, context, kwargs):
with db_api.autonested_transaction(context.session):
return getattr(self, method_name)(context=context, **kwargs)
def db_context_writer(cls, context):
"""Return read-write session activation decorator."""
if cls.new_facade or cls._use_db_facade(context):
return db_api.CONTEXT_WRITER.using(context)
return db_api.autonested_transaction(context.session)