class PortBinding(PortBindingBase):
# Version 1.0: Initial version
VERSION = '1.0'
db_model = ml2_models.PortBinding
fields = {
'port_id':
common_types.UUIDField(),
'host':
obj_fields.StringField(),
'profile':
common_types.DictOfMiscValuesField(),
'vif_type':
obj_fields.StringField(),
'vif_details':
common_types.DictOfMiscValuesField(nullable=True),
'vnic_type':
obj_fields.StringField(),
'status':
common_types.PortBindingStatusEnumField(
default=constants.PORT_BINDING_STATUS_ACTIVE),
}
primary_keys = ['port_id', 'host']
class Agent(base.NeutronDbObject):
# Version 1.0: Initial version
VERSION = '1.0'
db_model = agent_model.Agent
fields = {
'id': common_types.UUIDField(),
'agent_type': obj_fields.StringField(),
'binary': obj_fields.StringField(),
'topic': obj_fields.StringField(),
'host': obj_fields.StringField(),
'availability_zone': obj_fields.StringField(nullable=True),
'admin_state_up': obj_fields.BooleanField(default=True),
'started_at': obj_fields.DateTimeField(tzinfo_aware=False),
'created_at': obj_fields.DateTimeField(tzinfo_aware=False),
'heartbeat_timestamp': obj_fields.DateTimeField(tzinfo_aware=False),
'description': obj_fields.StringField(nullable=True),
'configurations': common_types.DictOfMiscValuesField(),
'resource_versions': common_types.DictOfMiscValuesField(nullable=True),
'load': obj_fields.IntegerField(default=0),
}
@classmethod
def modify_fields_to_db(cls, fields):
result = super(Agent, cls).modify_fields_to_db(fields)
if 'configurations' in result:
# dump configuration into string, set '' if empty '{}'
result['configurations'] = (cls.filter_to_json_str(
result['configurations'], default=''))
if 'resource_versions' in result:
# dump resource version into string, set None if empty '{}' or None
result['resource_versions'] = (cls.filter_to_json_str(
result['resource_versions']))
return result
@classmethod
def modify_fields_from_db(cls, db_obj):
fields = super(Agent, cls).modify_fields_from_db(db_obj)
if 'configurations' in fields:
# load string from DB, set {} if configuration is ''
fields['configurations'] = (cls.load_json_from_str(
fields['configurations'], default={}))
if 'resource_versions' in fields:
# load string from DB, set None if resource_version is None or ''
fields['resource_versions'] = (cls.load_json_from_str(
fields['resource_versions']))
return fields
@property
def is_active(self):
return not utils.is_agent_down(self.heartbeat_timestamp)
class PortBinding(PortBindingBase):
# Version 1.0: Initial version
VERSION = '1.0'
db_model = ml2_models.PortBinding
fields = {
'port_id': common_types.UUIDField(),
'host': obj_fields.StringField(),
'profile': common_types.DictOfMiscValuesField(),
'vif_type': obj_fields.StringField(),
'vif_details': common_types.DictOfMiscValuesField(nullable=True),
'vnic_type': obj_fields.StringField(),
}
primary_keys = ['port_id']
class DistributedPortBinding(PortBindingBase):
# Version 1.0: Initial version
VERSION = '1.0'
db_model = ml2_models.DistributedPortBinding
fields = {
'port_id': common_types.UUIDField(),
'host': obj_fields.StringField(),
'profile': common_types.DictOfMiscValuesField(),
'vif_type': obj_fields.StringField(),
'vif_details': common_types.DictOfMiscValuesField(nullable=True),
'vnic_type': obj_fields.StringField(),
# NOTE(ihrachys): Fields below are specific to this type of binding. In
# the future, we could think of converging different types of bindings
# into a single field
'status': obj_fields.StringField(),
'router_id': obj_fields.StringField(nullable=True),
}
primary_keys = ['host', 'port_id']
class Agent(base.NeutronDbObject):
# Version 1.0: Initial version
VERSION = '1.0'
db_model = agent_model.Agent
fields = {
'id': common_types.UUIDField(),
'agent_type': obj_fields.StringField(),
'binary': obj_fields.StringField(),
'topic': obj_fields.StringField(),
'host': obj_fields.StringField(),
'availability_zone': obj_fields.StringField(nullable=True),
'admin_state_up': obj_fields.BooleanField(default=True),
'started_at': obj_fields.DateTimeField(tzinfo_aware=False),
'created_at': obj_fields.DateTimeField(tzinfo_aware=False),
'heartbeat_timestamp': obj_fields.DateTimeField(tzinfo_aware=False),
'description': obj_fields.StringField(nullable=True),
'configurations': common_types.DictOfMiscValuesField(),
'resource_versions': common_types.DictOfMiscValuesField(nullable=True),
'load': obj_fields.IntegerField(default=0),
}
@classmethod
def modify_fields_to_db(cls, fields):
result = super(Agent, cls).modify_fields_to_db(fields)
if ('configurations' in result and not isinstance(
result['configurations'], obj_utils.StringMatchingFilterObj)):
# dump configuration into string, set '' if empty '{}'
result['configurations'] = (cls.filter_to_json_str(
result['configurations'], default=''))
if ('resource_versions' in result
and not isinstance(result['resource_versions'],
obj_utils.StringMatchingFilterObj)):
# dump resource version into string, set None if empty '{}' or None
result['resource_versions'] = (cls.filter_to_json_str(
result['resource_versions']))
return result
@classmethod
def modify_fields_from_db(cls, db_obj):
fields = super(Agent, cls).modify_fields_from_db(db_obj)
if 'configurations' in fields:
# load string from DB, set {} if configuration is ''
fields['configurations'] = (cls.load_json_from_str(
fields['configurations'], default={}))
if 'resource_versions' in fields:
# load string from DB, set None if resource_version is None or ''
fields['resource_versions'] = (cls.load_json_from_str(
fields['resource_versions']))
return fields
@property
def is_active(self):
return not utils.is_agent_down(self.heartbeat_timestamp)
# TODO(ihrachys) reuse query builder from
# get_l3_agents_ordered_by_num_routers
@classmethod
def get_l3_agent_with_min_routers(cls, context, agent_ids):
"""Return l3 agent with the least number of routers."""
with context.session.begin(subtransactions=True):
query = context.session.query(
agent_model.Agent,
func.count(
rb_model.RouterL3AgentBinding.router_id).label('count')
).outerjoin(rb_model.RouterL3AgentBinding).group_by(
agent_model.Agent.id,
rb_model.RouterL3AgentBinding.l3_agent_id).order_by('count')
res = query.filter(agent_model.Agent.id.in_(agent_ids)).first()
agent_obj = cls._load_object(context, res[0])
return agent_obj
@classmethod
def get_l3_agents_ordered_by_num_routers(cls, context, agent_ids):
with context.session.begin(subtransactions=True):
query = (context.session.query(
agent_model.Agent,
func.count(
rb_model.RouterL3AgentBinding.router_id).label('count')
).outerjoin(rb_model.RouterL3AgentBinding).group_by(
agent_model.Agent.id).filter(
agent_model.Agent.id.in_(agent_ids)).order_by('count'))
agents = [cls._load_object(context, record[0]) for record in query]
return agents
@classmethod
def get_ha_agents(cls, context, network_id=None, router_id=None):
if not (network_id or router_id):
return []
query = context.session.query(agent_model.Agent.host)
query = query.join(
l3ha_model.L3HARouterAgentPortBinding,
l3ha_model.L3HARouterAgentPortBinding.l3_agent_id ==
agent_model.Agent.id)
if router_id:
query = query.filter(l3ha_model.L3HARouterAgentPortBinding.
router_id == router_id).all()
elif network_id:
query = query.join(
models_v2.Port, models_v2.Port.device_id ==
l3ha_model.L3HARouterAgentPortBinding.router_id)
query = query.filter(
models_v2.Port.network_id == network_id,
models_v2.Port.status == const.PORT_STATUS_ACTIVE,
models_v2.Port.device_owner.in_(
(const.DEVICE_OWNER_HA_REPLICATED_INT,
const.DEVICE_OWNER_ROUTER_SNAT))).all()
# L3HARouterAgentPortBinding will have l3 agent ids of hosting agents.
# But we need l2 agent(for tunneling ip) while creating FDB entries.
hosts = [host[0] for host in query]
agents = cls.get_objects(context, host=hosts)
return agents
@classmethod
def _get_agents_by_availability_zones_and_agent_type(
cls, context, agent_type, availability_zones):
query = context.session.query(
agent_model.Agent).filter_by(agent_type=agent_type).group_by(
agent_model.Agent.availability_zone)
query = query.filter(
agent_model.Agent.availability_zone.in_(availability_zones)).all()
agents = [cls._load_object(context, record) for record in query]
return agents
@classmethod
def get_objects_by_agent_mode(cls, context, agent_mode=None, **kwargs):
mode_filter = obj_utils.StringContains(agent_mode)
return cls.get_objects(context, configurations=mode_filter, **kwargs)
class Agent(base.NeutronDbObject):
# Version 1.0: Initial version
VERSION = '1.0'
db_model = agent_model.Agent
fields = {
'id': common_types.UUIDField(),
'agent_type': obj_fields.StringField(),
'binary': obj_fields.StringField(),
'topic': obj_fields.StringField(),
'host': obj_fields.StringField(),
'availability_zone': obj_fields.StringField(nullable=True),
'admin_state_up': obj_fields.BooleanField(default=True),
'started_at': obj_fields.DateTimeField(tzinfo_aware=False),
'created_at': obj_fields.DateTimeField(tzinfo_aware=False),
'heartbeat_timestamp': obj_fields.DateTimeField(tzinfo_aware=False),
'description': obj_fields.StringField(nullable=True),
'configurations': common_types.DictOfMiscValuesField(),
'resource_versions': common_types.DictOfMiscValuesField(nullable=True),
'load': obj_fields.IntegerField(default=0),
}
@classmethod
def modify_fields_to_db(cls, fields):
result = super(Agent, cls).modify_fields_to_db(fields)
if ('configurations' in result and not isinstance(
result['configurations'], obj_utils.StringMatchingFilterObj)):
# dump configuration into string, set '' if empty '{}'
result['configurations'] = (cls.filter_to_json_str(
result['configurations'], default=''))
if ('resource_versions' in result
and not isinstance(result['resource_versions'],
obj_utils.StringMatchingFilterObj)):
# dump resource version into string, set None if empty '{}' or None
result['resource_versions'] = (cls.filter_to_json_str(
result['resource_versions']))
return result
@classmethod
def modify_fields_from_db(cls, db_obj):
fields = super(Agent, cls).modify_fields_from_db(db_obj)
if 'configurations' in fields:
# load string from DB, set {} if configuration is ''
fields['configurations'] = (cls.load_json_from_str(
fields['configurations'], default={}))
if 'resource_versions' in fields:
# load string from DB, set None if resource_version is None or ''
fields['resource_versions'] = (cls.load_json_from_str(
fields['resource_versions']))
return fields
@property
def is_active(self):
return not utils.is_agent_down(self.heartbeat_timestamp)
# TODO(ihrachys) reuse query builder from
# get_l3_agents_ordered_by_num_routers
@classmethod
def get_l3_agent_with_min_routers(cls, context, agent_ids):
"""Return l3 agent with the least number of routers."""
with context.session.begin(subtransactions=True):
query = context.session.query(
agent_model.Agent,
func.count(
rb_model.RouterL3AgentBinding.router_id).label('count')
).outerjoin(rb_model.RouterL3AgentBinding).group_by(
agent_model.Agent.id,
rb_model.RouterL3AgentBinding.l3_agent_id).order_by('count')
res = query.filter(agent_model.Agent.id.in_(agent_ids)).first()
agent_obj = cls._load_object(context, res[0])
return agent_obj
@classmethod
def get_l3_agents_ordered_by_num_routers(cls, context, agent_ids):
with context.session.begin(subtransactions=True):
query = (context.session.query(
agent_model.Agent,
func.count(
rb_model.RouterL3AgentBinding.router_id).label('count')
).outerjoin(rb_model.RouterL3AgentBinding).group_by(
agent_model.Agent.id).filter(
agent_model.Agent.id.in_(agent_ids)).order_by('count'))
agents = [cls._load_object(context, record[0]) for record in query]
return agents
