#
# Copyright 2012 New Dream Network, LLC (DreamHost)
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Handler for producing network counter messages from Neutron notification
events.
"""
from oslo_config import cfg
import oslo_messaging
from ceilometer.agent import plugin_base
from ceilometer import sample
OPTS = [
cfg.StrOpt('neutron_control_exchange',
default='neutron',
help="Exchange name for Neutron notifications."),
]
cfg.CONF.register_opts(OPTS)
[docs]class NetworkNotificationBase(plugin_base.NotificationBase):
resource_name = None
@property
def event_types(self):
return [
# NOTE(flwang): When the *.create.start notification sending,
# there is no resource id assigned by Neutron yet. So we ignore
# the *.create.start notification for now and only listen the
# *.create.end to make sure the resource id is existed.
'%s.create.end' % self.resource_name,
'%s.update.*' % self.resource_name,
'%s.exists' % self.resource_name,
# FIXME(dhellmann): Neutron delete notifications do
# not include the same metadata as the other messages,
# so we ignore them for now. This isn't ideal, since
# it may mean we miss charging for some amount of time,
# but it is better than throwing away the existing
# metadata for a resource when it is deleted.
# '%s.delete.start' % (self.resource_name),
]
[docs] def get_targets(self, conf):
"""Return a sequence of oslo_messaging.Target
This sequence is defining the exchange and topics to be connected for
this plugin.
"""
return [oslo_messaging.Target(topic=topic,
exchange=conf.neutron_control_exchange)
for topic in self.get_notification_topics(conf)]
[docs] def process_notification(self, message):
counter_name = getattr(self, 'counter_name', self.resource_name)
unit_value = getattr(self, 'unit', self.resource_name)
resource = message['payload'].get(self.resource_name)
if resource:
# NOTE(liusheng): In %s.update.start notifications, the id is in
# message['payload'] instead of resource itself.
if message['event_type'].endswith('update.start'):
resource['id'] = message['payload']['id']
resources = [resource]
else:
resources = message['payload'].get(self.resource_name + 's', [])
resource_message = message.copy()
for resource in resources:
resource_message['payload'] = resource
yield sample.Sample.from_notification(
name=counter_name,
type=sample.TYPE_GAUGE,
unit=unit_value,
volume=1,
user_id=resource_message['_context_user_id'],
project_id=resource_message['_context_tenant_id'],
resource_id=resource['id'],
message=resource_message)
event_type_split = resource_message['event_type'].split('.')
if len(event_type_split) > 2:
yield sample.Sample.from_notification(
name=counter_name
+ "." + event_type_split[1],
type=sample.TYPE_DELTA,
unit=unit_value,
volume=1,
user_id=resource_message['_context_user_id'],
project_id=resource_message['_context_tenant_id'],
resource_id=resource['id'],
message=resource_message)
[docs]class Network(NetworkNotificationBase, plugin_base.NonMetricNotificationBase):
"""Listen for Neutron network notifications.
Handle network.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'network'
[docs]class Subnet(NetworkNotificationBase, plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle subnet.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'subnet'
[docs]class Port(NetworkNotificationBase, plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle port.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'port'
[docs]class Router(NetworkNotificationBase, plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle router.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'router'
[docs]class FloatingIP(NetworkNotificationBase,
plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle floatingip.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'floatingip'
counter_name = 'ip.floating'
unit = 'ip'
[docs]class Pool(NetworkNotificationBase, plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle pool.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'pool'
counter_name = 'network.services.lb.pool'
[docs]class Vip(NetworkNotificationBase, plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle vip.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'vip'
counter_name = 'network.services.lb.vip'
[docs]class Member(NetworkNotificationBase, plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle member.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'member'
counter_name = 'network.services.lb.member'
[docs]class HealthMonitor(NetworkNotificationBase,
plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle health_monitor.{create.end|update.*|exists} notifications
from neutron.
"""
resource_name = 'health_monitor'
counter_name = 'network.services.lb.health_monitor'
[docs]class Firewall(NetworkNotificationBase, plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle firewall.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'firewall'
counter_name = 'network.services.firewall'
[docs]class FirewallPolicy(NetworkNotificationBase,
plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle firewall_policy.{create.end|update.*|exists} notifications
from neutron.
"""
resource_name = 'firewall_policy'
counter_name = 'network.services.firewall.policy'
[docs]class FirewallRule(NetworkNotificationBase,
plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle firewall_rule.{create.end|update.*|exists} notifications
from neutron.
"""
resource_name = 'firewall_rule'
counter_name = 'network.services.firewall.rule'
[docs]class VPNService(NetworkNotificationBase,
plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle vpnservice.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'vpnservice'
counter_name = 'network.services.vpn'
[docs]class IPSecPolicy(NetworkNotificationBase,
plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle pool.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'ipsecpolicy'
counter_name = 'network.services.vpn.ipsecpolicy'
[docs]class IKEPolicy(NetworkNotificationBase,
plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle ikepolicy.{create.end|update.*|exists} notifications from neutron.
"""
resource_name = 'ikepolicy'
counter_name = 'network.services.vpn.ikepolicy'
[docs]class IPSecSiteConnection(NetworkNotificationBase,
plugin_base.NonMetricNotificationBase):
"""Listen for Neutron notifications.
Handle ipsec_site_connection.{create.end|update.*|exists}
notifications from neutron.
"""
resource_name = 'ipsec_site_connection'
counter_name = 'network.services.vpn.connections'