Move central agent code to the polling agent module

That's the preparation for further compute and central agents
merge

Partially-Implements-Blueprint: merge-compute-central-agents

Change-Id: If5f151ab7d30c9711929f6dcade553fdca09ab67

ceilometer/agent/discovery/endpoint.py

@@ -1,4 +1,3 @@
-#
 # Copyright 2014 Red Hat, Inc
 #
 # Author: Nejc Saje <nsaje@redhat.com>
@@ -17,9 +16,9 @@
 
 from oslo.config import cfg
 
+from ceilometer.agent import plugin_base as plugin
 from ceilometer.i18n import _LW
 from ceilometer.openstack.common import log
-from ceilometer import plugin
 
 LOG = log.getLogger(__name__)
 
@@ -47,16 +46,3 @@ class EndpointDiscovery(plugin.DiscoveryBase):
             return []
         else:
             return endpoints
-
-
-class TenantDiscovery(plugin.DiscoveryBase):
-    """Discovery that supplies keystone tenants.
-
-    This discovery should be used when the pollster's work can't be divided
-    into smaller pieces than per-tenant. Example of this is the Swift
-    pollster, which polls account details and does so per-tenant.
-    """
-
-    def discover(self, manager, param=None):
-        tenants = manager.keystone.tenants.list()
-        return tenants or []

ceilometer/agent/discovery/tenant.py

@@ -0,0 +1,37 @@
+# Copyright 2014 Red Hat, Inc
+#
+# Author: Nejc Saje <nsaje@redhat.com>
+#
+# 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.
+
+from oslo.config import cfg
+
+from ceilometer.agent import plugin_base as plugin
+from ceilometer.openstack.common import log
+
+LOG = log.getLogger(__name__)
+
+cfg.CONF.import_group('service_credentials', 'ceilometer.service')
+
+
+class TenantDiscovery(plugin.DiscoveryBase):
+    """Discovery that supplies keystone tenants.
+
+    This discovery should be used when the pollster's work can't be divided
+    into smaller pieces than per-tenant. Example of this is the Swift
+    pollster, which polls account details and does so per-tenant.
+    """
+
+    def discover(self, manager, param=None):
+        tenants = manager.keystone.tenants.list()
+        return tenants or []

ceilometer/agent/manager.py

@@ -18,30 +18,32 @@
 from keystoneclient.v2_0 import client as ksclient
 from oslo.config import cfg
 
-from ceilometer import agent
+from ceilometer.agent import base
 from ceilometer.openstack.common import log
 
 OPTS = [
     cfg.StrOpt('partitioning_group_prefix',
                default=None,
+               deprecated_group='central',
                help='Work-load partitioning group prefix. Use only if you '
-                    'want to run multiple central agents with different '
-                    'config files. For each sub-group of the central agent '
+                    'want to run multiple polling agents with different '
+                    'config files. For each sub-group of the agent '
                     'pool with the same partitioning_group_prefix a disjoint '
                     'subset of pollsters should be loaded.'),
 ]
-cfg.CONF.register_opts(OPTS, group='central')
-cfg.CONF.import_opt('http_timeout', 'ceilometer.service')
+
+cfg.CONF.register_opts(OPTS, group='polling')
 cfg.CONF.import_group('service_credentials', 'ceilometer.service')
+cfg.CONF.import_opt('http_timeout', 'ceilometer.service')
 
 LOG = log.getLogger(__name__)
 
 
-class AgentManager(agent.AgentManager):
+class AgentManager(base.AgentManager):
 
-    def __init__(self):
+    def __init__(self, namespace='agent'):
         super(AgentManager, self).__init__(
-            'central', group_prefix=cfg.CONF.central.partitioning_group_prefix)
+            namespace, group_prefix=cfg.CONF.polling.partitioning_group_prefix)
 
     def interval_task(self, task):
         try:

ceilometer/agent/plugin_base.py

@@ -21,6 +21,8 @@ import abc
 import collections
 import fnmatch
 
+from keystoneclient.v2_0 import client as ksclient
+from oslo.config import cfg
 import oslo.messaging
 import six
 
@@ -29,12 +31,60 @@ from ceilometer import messaging
 from ceilometer.openstack.common import context
 from ceilometer.openstack.common import log
 
+cfg.CONF.import_group('service_credentials', 'ceilometer.service')
+
 LOG = log.getLogger(__name__)
 
 ExchangeTopics = collections.namedtuple('ExchangeTopics',
                                         ['exchange', 'topics'])
 
 
+def _get_keystone():
+    try:
+        return ksclient.Client(
+            username=cfg.CONF.service_credentials.os_username,
+            password=cfg.CONF.service_credentials.os_password,
+            tenant_id=cfg.CONF.service_credentials.os_tenant_id,
+            tenant_name=cfg.CONF.service_credentials.os_tenant_name,
+            cacert=cfg.CONF.service_credentials.os_cacert,
+            auth_url=cfg.CONF.service_credentials.os_auth_url,
+            region_name=cfg.CONF.service_credentials.os_region_name,
+            insecure=cfg.CONF.service_credentials.insecure)
+    except Exception as e:
+        return e
+
+
+def check_keystone(service_type=None):
+    """Decorator function to check if manager has valid keystone client.
+
+       Also checks if the service is registered/enabled in Keystone.
+
+       :param service_type: name of service in Keystone
+    """
+    def wrapped(f):
+        def func(self, *args, **kwargs):
+            manager = kwargs.get('manager')
+            if not manager and len(args) > 0:
+                manager = args[0]
+            keystone = getattr(manager, 'keystone', None)
+            if not keystone:
+                keystone = _get_keystone()
+            if isinstance(keystone, Exception):
+                LOG.error(_('Skip due to keystone error %s'),
+                          str(keystone) if keystone else '')
+                return iter([])
+            elif service_type:
+                endpoints = keystone.service_catalog.get_endpoints(
+                    service_type=service_type)
+                if not endpoints:
+                    LOG.warning(_('Skipping because %s service is not '
+                                  'registered in keystone') % service_type)
+                    return iter([])
+            return f(self, *args, **kwargs)
+        return func
+    return wrapped
+
+
 class PluginBase(object):
     """Base class for all plugins."""
 

ceilometer/central/plugin.py

@@ -1,80 +0,0 @@
-#
-# Copyright 2012 New Dream Network, LLC (DreamHost)
-#
-# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
-#
-# 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.
-"""Base class for plugins used by the central agent.
-"""
-from keystoneclient.v2_0 import client as ksclient
-from oslo.config import cfg
-
-from ceilometer.i18n import _
-from ceilometer.openstack.common import log
-from ceilometer import plugin
-
-cfg.CONF.import_opt('http_timeout', 'ceilometer.service')
-cfg.CONF.import_group('service_credentials', 'ceilometer.service')
-
-LOG = log.getLogger(__name__)
-
-
-class CentralPollster(plugin.PollsterBase):
-    """Base class for plugins that support the polling API."""
-
-
-def _get_keystone():
-    try:
-        return ksclient.Client(
-            username=cfg.CONF.service_credentials.os_username,
-            password=cfg.CONF.service_credentials.os_password,
-            tenant_id=cfg.CONF.service_credentials.os_tenant_id,
-            tenant_name=cfg.CONF.service_credentials.os_tenant_name,
-            cacert=cfg.CONF.service_credentials.os_cacert,
-            auth_url=cfg.CONF.service_credentials.os_auth_url,
-            region_name=cfg.CONF.service_credentials.os_region_name,
-            insecure=cfg.CONF.service_credentials.insecure,
-            timeout=cfg.CONF.http_timeout)
-    except Exception as e:
-        return e
-
-
-def check_keystone(service_type=None):
-    """Decorator function to check if manager has valid keystone client.
-
-       Also checks if the service is registered/enabled in Keystone.
-
-       :param service_type: name of service in Keystone
-    """
-    def wrapped(f):
-        def func(self, *args, **kwargs):
-            manager = kwargs.get('manager')
-            if not manager and len(args) > 0:
-                manager = args[0]
-            keystone = getattr(manager, 'keystone', None)
-            if not keystone:
-                keystone = _get_keystone()
-            if isinstance(keystone, Exception):
-                LOG.error(_('Skip due to keystone error %s'),
-                          str(keystone) if keystone else '')
-                return iter([])
-            elif service_type:
-                endpoints = keystone.service_catalog.get_endpoints(
-                    service_type=service_type)
-                if not endpoints:
-                    LOG.warning(_('Skipping because %s service is not '
-                                  'registered in keystone') % service_type)
-                    return iter([])
-            return f(self, *args, **kwargs)
-        return func
-    return wrapped

ceilometer/cmd/agent_central.py

@@ -14,7 +14,7 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from ceilometer.central import manager
+from ceilometer.agent import manager
 from ceilometer.openstack.common import service as os_service
 from ceilometer import service
 

ceilometer/compute/discovery.py

@@ -17,8 +17,8 @@
 
 from oslo.config import cfg
 
+from ceilometer.agent import plugin_base
 from ceilometer import nova_client
-from ceilometer import plugin
 
 OPTS = [
     cfg.BoolOpt('workload_partitioning',
@@ -29,7 +29,7 @@ OPTS = [
 cfg.CONF.register_opts(OPTS, group='compute')
 
 
-class InstanceDiscovery(plugin.DiscoveryBase):
+class InstanceDiscovery(plugin_base.DiscoveryBase):
     def __init__(self):
         super(InstanceDiscovery, self).__init__()
         self.nova_cli = nova_client.Client()

ceilometer/compute/manager.py

@@ -15,14 +15,14 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from ceilometer import agent
+from ceilometer.agent import manager
 from ceilometer.compute.virt import inspector as virt_inspector
 from ceilometer.openstack.common import log
 
 LOG = log.getLogger(__name__)
 
 
-class AgentManager(agent.AgentManager):
+class AgentManager(manager.AgentManager):
 
     def __init__(self):
         super(AgentManager, self).__init__('compute')

ceilometer/compute/notifications/__init__.py

@@ -18,7 +18,7 @@
 from oslo.config import cfg
 import oslo.messaging
 
-from ceilometer import plugin
+from ceilometer.agent import plugin_base
 
 
 OPTS = [
@@ -31,7 +31,7 @@ OPTS = [
 cfg.CONF.register_opts(OPTS)
 
 
-class ComputeNotificationBase(plugin.NotificationBase):
+class ComputeNotificationBase(plugin_base.NotificationBase):
     @staticmethod
     def get_targets(conf):
         """Return a sequence of oslo.messaging.Target

ceilometer/compute/plugin.py

@@ -22,7 +22,7 @@ import abc
 from oslo.utils import timeutils
 import six
 
-from ceilometer import plugin
+from ceilometer.agent import plugin_base as plugin
 
 
 @six.add_metaclass(abc.ABCMeta)

ceilometer/data_processing/notifications.py

@@ -17,7 +17,7 @@
 from oslo.config import cfg
 import oslo.messaging
 
-from ceilometer import plugin
+from ceilometer.agent import plugin_base
 from ceilometer import sample
 
 
@@ -31,7 +31,7 @@ cfg.CONF.register_opts(OPTS)
 SERVICE = 'sahara'
 
 
-class DataProcessing(plugin.NotificationBase):
+class DataProcessing(plugin_base.NotificationBase):
 
     resource_name = '%s.cluster' % SERVICE
 

ceilometer/energy/kwapi.py

@@ -21,7 +21,7 @@ from oslo.config import cfg
 import requests
 import six
 
-from ceilometer.central import plugin
+from ceilometer.agent import plugin_base
 from ceilometer.i18n import _
 from ceilometer.openstack.common import log
 from ceilometer import sample
@@ -62,8 +62,8 @@ class KwapiClient(object):
             yield probe_dict
 
 
-class _Base(plugin.CentralPollster):
-    """Base class for the Kwapi pollster, derived from CentralPollster."""
+class _Base(plugin_base.PollsterBase):
+    """Base class for the Kwapi pollster, derived from PollsterBase."""
 
     @property
     def default_discovery(self):

ceilometer/hardware/discovery.py

@@ -14,10 +14,10 @@
 
 from oslo.config import cfg
 
+from ceilometer.agent import plugin_base
 from ceilometer.i18n import _
 from ceilometer import nova_client
 from ceilometer.openstack.common import log
-from ceilometer import plugin
 
 
 LOG = log.getLogger(__name__)
@@ -37,7 +37,7 @@ OPTS = [
 cfg.CONF.register_opts(OPTS, group='hardware')
 
 
-class NodesDiscoveryTripleO(plugin.DiscoveryBase):
+class NodesDiscoveryTripleO(plugin_base.DiscoveryBase):
     def __init__(self):
         super(NodesDiscoveryTripleO, self).__init__()
         self.nova_cli = nova_client.Client()

ceilometer/hardware/plugin.py

@@ -25,7 +25,7 @@ import itertools
 from oslo.utils import netutils
 import six
 
-from ceilometer.central import plugin
+from ceilometer.agent import plugin_base
 from ceilometer.hardware import inspector as insloader
 from ceilometer.i18n import _
 from ceilometer.openstack.common import log
@@ -34,7 +34,7 @@ LOG = log.getLogger(__name__)
 
 
 @six.add_metaclass(abc.ABCMeta)
-class HardwarePollster(plugin.CentralPollster):
+class HardwarePollster(plugin_base.PollsterBase):
     """Base class for plugins that support the polling API."""
 
     CACHE_KEY = None

ceilometer/identity/notifications.py

@@ -14,7 +14,7 @@
 from oslo.config import cfg
 import oslo.messaging
 
-from ceilometer import plugin
+from ceilometer.agent import plugin_base
 from ceilometer import sample
 
 OPTS = [
@@ -29,7 +29,7 @@ cfg.CONF.register_opts(OPTS)
 SERVICE = 'identity'
 
 
-class _Base(plugin.NotificationBase):
+class _Base(plugin_base.NotificationBase):
     """Convert identity notification into Samples."""
 
     resource_type = None

ceilometer/image/glance.py

@@ -24,7 +24,7 @@ import glanceclient
 from oslo.config import cfg
 from oslo.utils import timeutils
 
-from ceilometer.central import plugin
+from ceilometer.agent import plugin_base
 from ceilometer import sample
 
 
@@ -49,7 +49,7 @@ cfg.CONF.register_opts(OPTS)
 cfg.CONF.register_opts(SERVICE_OPTS, group='service_types')
 
 
-class _Base(plugin.CentralPollster):
+class _Base(plugin_base.PollsterBase):
 
     @property
     def default_discovery(self):

ceilometer/image/notifications.py

@@ -21,7 +21,7 @@
 from oslo.config import cfg
 import oslo.messaging
 
-from ceilometer import plugin
+from ceilometer.agent import plugin_base
 from ceilometer import sample
 
 OPTS = [
@@ -34,7 +34,7 @@ OPTS = [
 cfg.CONF.register_opts(OPTS)
 
 
-class ImageBase(plugin.NotificationBase):
+class ImageBase(plugin_base.NotificationBase):
     """Base class for image counting."""
 
     @staticmethod

ceilometer/ipmi/manager.py

@@ -14,10 +14,10 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from ceilometer import agent
+from ceilometer.agent import manager
 
 
-class AgentManager(agent.AgentManager):
+class AgentManager(manager.AgentManager):
 
     def __init__(self):
         super(AgentManager, self).__init__('ipmi')

ceilometer/ipmi/notifications/ironic.py

@@ -21,8 +21,8 @@ notification events.
 from oslo.config import cfg
 from oslo import messaging
 
+from ceilometer.agent import plugin_base
 from ceilometer.openstack.common import log
-from ceilometer import plugin
 from ceilometer import sample
 
 LOG = log.getLogger(__name__)
@@ -67,7 +67,7 @@ class InvalidSensorData(ValueError):
     pass
 
 
-class SensorNotification(plugin.NotificationBase):
+class SensorNotification(plugin_base.NotificationBase):
     """A generic class for extracting samples from sensor data notifications.
 
     A notification message can contain multiple samples from multiple

ceilometer/ipmi/pollsters/node.py

@@ -20,8 +20,8 @@ from oslo.config import cfg
 from oslo.utils import timeutils
 import six
 
+from ceilometer.agent import plugin_base
 from ceilometer.ipmi.platform import intel_node_manager as node_manager
-from ceilometer import plugin
 from ceilometer import sample
 
 CONF = cfg.CONF
@@ -29,7 +29,7 @@ CONF.import_opt('host', 'ceilometer.service')
 
 
 @six.add_metaclass(abc.ABCMeta)
-class _Base(plugin.PollsterBase):
+class _Base(plugin_base.PollsterBase):
     def __init__(self):
         self.nodemanager = node_manager.NodeManager()
 

ceilometer/ipmi/pollsters/sensor.py

@@ -17,9 +17,9 @@
 from oslo.config import cfg
 from oslo.utils import timeutils
 
+from ceilometer.agent import plugin_base
 from ceilometer.ipmi.notifications import ironic as parser
 from ceilometer.ipmi.platform import ipmi_sensor
-from ceilometer import plugin
 from ceilometer import sample
 
 CONF = cfg.CONF
@@ -30,7 +30,7 @@ class InvalidSensorData(ValueError):
     pass
 
 
-class SensorPollster(plugin.PollsterBase):
+class SensorPollster(plugin_base.PollsterBase):
 
     METRIC = None
 

ceilometer/middleware.py

@@ -18,7 +18,7 @@
 from oslo.config import cfg
 import oslo.messaging
 
-from ceilometer import plugin
+from ceilometer.agent import plugin_base
 from ceilometer import sample
 
 cfg.CONF.import_opt('nova_control_exchange',
@@ -42,7 +42,7 @@ OPTS = [
 cfg.CONF.register_opts(OPTS)
 
 
-class HTTPRequest(plugin.NotificationBase):
+class HTTPRequest(plugin_base.NotificationBase):
     event_types = ['http.request']
 
     @staticmethod

ceilometer/network/floatingip.py

@@ -21,7 +21,7 @@
 from oslo.config import cfg
 from oslo.utils import timeutils
 
-from ceilometer.central import plugin
+from ceilometer.agent import plugin_base
 from ceilometer.i18n import _
 from ceilometer import nova_client
 from ceilometer.openstack.common import log
@@ -33,7 +33,7 @@ LOG = log.getLogger(__name__)
 cfg.CONF.import_group('service_types', 'ceilometer.nova_client')
 
 
-class FloatingIPPollster(plugin.CentralPollster):
+class FloatingIPPollster(plugin_base.PollsterBase):
 
     def _get_floating_ips(self, ksclient, endpoint):
         nv = nova_client.Client(

ceilometer/network/notifications.py

@@ -22,9 +22,9 @@
 from oslo.config import cfg
 import oslo.messaging
 
+from ceilometer.agent import plugin_base
 from ceilometer.i18n import _
 from ceilometer.openstack.common import log
-from ceilometer import plugin
 from ceilometer import sample
 
 OPTS = [
@@ -39,7 +39,7 @@ cfg.CONF.register_opts(OPTS)
 LOG = log.getLogger(__name__)
 
 
-class NetworkNotificationBase(plugin.NotificationBase):
+class NetworkNotificationBase(plugin_base.NotificationBase):
 
     resource_name = None
 

ceilometer/network/services/base.py

@@ -15,9 +15,9 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+from ceilometer.agent import plugin_base
 from ceilometer import neutron_client
 from ceilometer.openstack.common import log
-from ceilometer import plugin
 
 LOG = log.getLogger(__name__)
 
@@ -30,7 +30,7 @@ STATUS = {
 }
 
 
-class BaseServicesPollster(plugin.PollsterBase):
+class BaseServicesPollster(plugin_base.PollsterBase):
 
     FIELDS = []
     nc = neutron_client.Client()

ceilometer/network/services/discovery.py

@@ -17,15 +17,14 @@
 
 from oslo.config import cfg
 
-from ceilometer.central import plugin
+from ceilometer.agent import plugin_base
 from ceilometer import neutron_client
-from ceilometer import plugin as base_plugin
 
 
 cfg.CONF.import_group('service_types', 'ceilometer.neutron_client')
 
 
-class _BaseServicesDiscovery(base_plugin.DiscoveryBase):
+class _BaseServicesDiscovery(plugin_base.DiscoveryBase):
 
     def __init__(self):
         super(_BaseServicesDiscovery, self).__init__()
@@ -33,7 +32,7 @@ class _BaseServicesDiscovery(base_plugin.DiscoveryBase):
 
 
 class LBPoolsDiscovery(_BaseServicesDiscovery):
-    @plugin.check_keystone(cfg.CONF.service_types.neutron)
+    @plugin_base.check_keystone(cfg.CONF.service_types.neutron)
     def discover(self, manager, param=None):
         """Discover resources to monitor."""
 
@@ -43,7 +42,7 @@ class LBPoolsDiscovery(_BaseServicesDiscovery):
 
 
 class LBVipsDiscovery(_BaseServicesDiscovery):
-    @plugin.check_keystone(cfg.CONF.service_types.neutron)
+    @plugin_base.check_keystone(cfg.CONF.service_types.neutron)
     def discover(self, manager, param=None):
         """Discover resources to monitor."""
 
@@ -53,7 +52,7 @@ class LBVipsDiscovery(_BaseServicesDiscovery):
 
 
 class LBMembersDiscovery(_BaseServicesDiscovery):
-    @plugin.check_keystone(cfg.CONF.service_types.neutron)
+    @plugin_base.check_keystone(cfg.CONF.service_types.neutron)
     def discover(self, manager, param=None):
         """Discover resources to monitor."""
 
@@ -63,7 +62,7 @@ class LBMembersDiscovery(_BaseServicesDiscovery):
 
 
 class LBHealthMonitorsDiscovery(_BaseServicesDiscovery):
-    @plugin.check_keystone(cfg.CONF.service_types.neutron)
+    @plugin_base.check_keystone(cfg.CONF.service_types.neutron)
     def discover(self, manager, param=None):
         """Discover resources to monitor."""
 
@@ -72,7 +71,7 @@ class LBHealthMonitorsDiscovery(_BaseServicesDiscovery):
 
 
 class VPNServicesDiscovery(_BaseServicesDiscovery):
-    @plugin.check_keystone(cfg.CONF.service_types.neutron)
+    @plugin_base.check_keystone(cfg.CONF.service_types.neutron)
     def discover(self, manager, param=None):
         """Discover resources to monitor."""
 
@@ -82,7 +81,7 @@ class VPNServicesDiscovery(_BaseServicesDiscovery):
 
 
 class IPSecConnectionsDiscovery(_BaseServicesDiscovery):
-    @plugin.check_keystone(cfg.CONF.service_types.neutron)
+    @plugin_base.check_keystone(cfg.CONF.service_types.neutron)
     def discover(self, manager, param=None):
         """Discover resources to monitor."""
 
@@ -91,7 +90,7 @@ class IPSecConnectionsDiscovery(_BaseServicesDiscovery):
 
 
 class FirewallDiscovery(_BaseServicesDiscovery):
-    @plugin.check_keystone(cfg.CONF.service_types.neutron)
+    @plugin_base.check_keystone(cfg.CONF.service_types.neutron)
     def discover(self, manager, param=None):
         """Discover resources to monitor."""
 
@@ -101,7 +100,7 @@ class FirewallDiscovery(_BaseServicesDiscovery):
 
 
 class FirewallPolicyDiscovery(_BaseServicesDiscovery):
-    @plugin.check_keystone(cfg.CONF.service_types.neutron)
+    @plugin_base.check_keystone(cfg.CONF.service_types.neutron)
     def discover(self, manager, param=None):
         """Discover resources to monitor."""
 

ceilometer/network/statistics/__init__.py

@@ -20,12 +20,12 @@ import six
 from six.moves.urllib import parse as urlparse
 from stevedore import driver as _driver
 
-from ceilometer.central import plugin
+from ceilometer.agent import plugin_base
 from ceilometer import sample
 
 
 @six.add_metaclass(abc.ABCMeta)
-class _Base(plugin.CentralPollster):
+class _Base(plugin_base.PollsterBase):
 
     NAMESPACE = 'network.statistics.drivers'
     drivers = {}

ceilometer/objectstore/swift.py

@@ -25,7 +25,7 @@ from oslo.utils import timeutils
 import six.moves.urllib.parse as urlparse
 from swiftclient import client as swift
 
-from ceilometer.central import plugin
+from ceilometer.agent import plugin_base
 from ceilometer.i18n import _
 from ceilometer.openstack.common import log
 from ceilometer import sample
@@ -51,7 +51,7 @@ cfg.CONF.register_opts(SERVICE_OPTS, group='service_types')
 cfg.CONF.import_group('service_credentials', 'ceilometer.service')
 
 
-class _Base(plugin.CentralPollster):
+class _Base(plugin_base.PollsterBase):
 
     METHOD = 'head'
     _ENDPOINT = None

ceilometer/opts.py

@@ -13,13 +13,13 @@
 # under the License.
 import itertools
 
+import ceilometer.agent.manager
 import ceilometer.alarm.notifier.rest
 import ceilometer.alarm.rpc
 import ceilometer.alarm.service
 import ceilometer.api
 import ceilometer.api.app
 import ceilometer.api.controllers.v2
-import ceilometer.central.manager
 import ceilometer.cmd.alarm
 import ceilometer.collector
 import ceilometer.compute.discovery
@@ -104,7 +104,7 @@ def list_opts():
         ('api',
          itertools.chain(ceilometer.api.OPTS,
                          ceilometer.api.app.API_OPTS,)),
-        ('central', ceilometer.central.manager.OPTS),
+        ('central', ceilometer.agent.manager.OPTS),
         ('collector', ceilometer.collector.OPTS),
         ('compute', ceilometer.compute.discovery.OPTS),
         ('coordination', ceilometer.coordination.OPTS),

ceilometer/orchestration/notifications.py

@@ -18,7 +18,7 @@
 from oslo.config import cfg
 import oslo.messaging
 
-from ceilometer import plugin
+from ceilometer.agent import plugin_base
 from ceilometer import sample
 
 
@@ -32,7 +32,7 @@ cfg.CONF.register_opts(OPTS)
 SERVICE = 'orchestration'
 
 
-class StackCRUD(plugin.NotificationBase):
+class StackCRUD(plugin_base.NotificationBase):
 
     resource_name = '%s.stack' % SERVICE
 

ceilometer/profiler/notifications.py

@@ -16,7 +16,7 @@
 from oslo.config import cfg
 import oslo.messaging
 
-from ceilometer import plugin
+from ceilometer.agent import plugin_base
 from ceilometer import sample
 
 
@@ -32,7 +32,7 @@ cfg.CONF.import_opt('keystone_control_exchange',
                     'ceilometer.identity.notifications')
 
 
-class ProfilerNotifications(plugin.NotificationBase):
+class ProfilerNotifications(plugin_base.NotificationBase):
 
     event_types = ["profiler.*"]
 

ceilometer/tests/agent/agentbase.py

@@ -31,8 +31,8 @@ from oslotest import mockpatch
 import six
 from stevedore import extension
 
+from ceilometer.agent import plugin_base
 from ceilometer import pipeline
-from ceilometer import plugin
 from ceilometer import publisher
 from ceilometer.publisher import test as test_publisher
 from ceilometer import sample
@@ -70,7 +70,7 @@ default_test_data = TestSample(
 )
 
 
-class TestPollster(plugin.PollsterBase):
+class TestPollster(plugin_base.PollsterBase):
     test_data = default_test_data
     discovery = None
 
@@ -95,13 +95,13 @@ class TestPollsterException(TestPollster):
         raise Exception()
 
 
-class TestDiscovery(plugin.DiscoveryBase):
+class TestDiscovery(plugin_base.DiscoveryBase):
     def discover(self, manager, param=None):
         self.params.append(param)
         return self.resources
 
 
-class TestDiscoveryException(plugin.DiscoveryBase):
+class TestDiscoveryException(plugin_base.DiscoveryBase):
     def discover(self, manager, param=None):
         self.params.append(param)
         raise Exception()
@@ -310,7 +310,7 @@ class BaseAgentManagerTestCase(base.BaseTestCase):
     def test_setup_polling_tasks(self):
         polling_tasks = self.mgr.setup_polling_tasks()
         self.assertEqual(1, len(polling_tasks))
-        self.assertIn(60, polling_tasks.keys())
+        self.assertTrue(60 in polling_tasks.keys())
         per_task_resources = polling_tasks[60].resources
         self.assertEqual(1, len(per_task_resources))
         self.assertEqual(set(self.pipeline_cfg[0]['resources']),
@@ -332,8 +332,8 @@ class BaseAgentManagerTestCase(base.BaseTestCase):
         self.setup_pipeline()
         polling_tasks = self.mgr.setup_polling_tasks()
         self.assertEqual(2, len(polling_tasks))
-        self.assertIn(60, polling_tasks.keys())
-        self.assertIn(10, polling_tasks.keys())
+        self.assertTrue(60 in polling_tasks.keys())
+        self.assertTrue(10 in polling_tasks.keys())
 
     def test_setup_polling_tasks_mismatch_counter(self):
         self.pipeline_cfg.append(
@@ -347,7 +347,7 @@ class BaseAgentManagerTestCase(base.BaseTestCase):
             })
         polling_tasks = self.mgr.setup_polling_tasks()
         self.assertEqual(1, len(polling_tasks))
-        self.assertIn(60, polling_tasks.keys())
+        self.assertTrue(60 in polling_tasks.keys())
 
     def test_setup_polling_task_same_interval(self):
         self.pipeline_cfg.append({
@@ -529,7 +529,7 @@ class BaseAgentManagerTestCase(base.BaseTestCase):
         self.setup_pipeline()
         polling_tasks = self.mgr.setup_polling_tasks()
         self.assertEqual(1, len(polling_tasks))
-        self.assertIn(60, polling_tasks.keys())
+        self.assertTrue(60 in polling_tasks.keys())
         self.mgr.interval_task(polling_tasks.get(60))
         self.assertEqual([None], self.Discovery.params)
         self.assertEqual([None], self.DiscoveryAnother.params)
@@ -553,11 +553,11 @@ class BaseAgentManagerTestCase(base.BaseTestCase):
             published = pipe_line.publishers[0].samples[0]
             published_resources = published.resource_metadata['resources']
             self.assertEqual(3, len(published_resources))
-            self.assertIn(published_resources[0], expected_pipelines)
+            self.assertTrue(published_resources[0] in expected_pipelines)
             self.assertEqual(expected_pipelines[published_resources[0]],
                              pipe_line.name)
             for published_resource in published_resources:
-                self.assertIn(published_resource, all_resources)
+                self.assertTrue(published_resource in all_resources)
             sunk_resources.extend(published_resources)
         self.assertEqual(all_resources, set(sunk_resources))
 
@@ -585,7 +585,7 @@ class BaseAgentManagerTestCase(base.BaseTestCase):
         self.setup_pipeline()
         polling_tasks = self.mgr.setup_polling_tasks()
         self.assertEqual(1, len(polling_tasks))
-        self.assertIn(60, polling_tasks.keys())
+        self.assertTrue(60 in polling_tasks.keys())
         self.mgr.interval_task(polling_tasks.get(60))
         self.assertEqual(1, len(self.Pollster.samples))
         self.assertEqual(['discovered_1', 'discovered_2'],
@@ -612,7 +612,7 @@ class BaseAgentManagerTestCase(base.BaseTestCase):
         self.setup_pipeline()
         polling_tasks = self.mgr.setup_polling_tasks()
         self.assertEqual(1, len(polling_tasks))
-        self.assertIn(60, polling_tasks.keys())
+        self.assertTrue(60 in polling_tasks.keys())
         self.mgr.interval_task(polling_tasks.get(60))
         self.assertEqual(1, len(self.Pollster.samples))
         self.assertEqual(['discovered_1', 'discovered_2'],
@@ -681,7 +681,7 @@ class BaseAgentManagerTestCase(base.BaseTestCase):
         polling_task = self.mgr.setup_polling_tasks().values()[0]
         pollster = list(polling_task.pollster_matches['test_pipeline'])[0]
         LOG = mock.MagicMock()
-        with mock.patch('ceilometer.agent.LOG', LOG):
+        with mock.patch('ceilometer.agent.base.LOG', LOG):
             polling_task.poll_and_publish()
             if not self.mgr.discover():
                 LOG.info.assert_called_with('Skip polling pollster %s, no '

ceilometer/tests/agent/test_discovery.py

@@ -21,14 +21,14 @@ import mock
 from oslo.config import fixture as fixture_config
 from oslotest import base
 
-from ceilometer.central import discovery
+from ceilometer.agent.discovery import endpoint
 
 
 class TestEndpointDiscovery(base.BaseTestCase):
 
     def setUp(self):
         super(TestEndpointDiscovery, self).setUp()
-        self.discovery = discovery.EndpointDiscovery()
+        self.discovery = endpoint.EndpointDiscovery()
         self.manager = mock.MagicMock()
         self.CONF = self.useFixture(fixture_config.Config()).conf
 

ceilometer/tests/agent/test_manager.py

@@ -22,10 +22,10 @@ from oslotest import base
 from oslotest import mockpatch
 from stevedore import extension
 
-from ceilometer.central import manager
-from ceilometer.central import plugin
+from ceilometer.agent import manager
+from ceilometer.agent import plugin_base
 from ceilometer import pipeline
-from ceilometer.tests import agentbase
+from ceilometer.tests.agent import agentbase
 
 
 class TestManager(base.BaseTestCase):
@@ -37,7 +37,7 @@ class TestManager(base.BaseTestCase):
 
 
 class TestPollsterKeystone(agentbase.TestPollster):
-    @plugin.check_keystone
+    @plugin_base.check_keystone
     def get_samples(self, manager, cache, resources):
         func = super(TestPollsterKeystone, self).get_samples
         return func(manager=manager,
@@ -111,3 +111,8 @@ class TestRunTasks(agentbase.BaseAgentManagerTestCase):
         polling_tasks = self.mgr.setup_polling_tasks()
         self.mgr.interval_task(polling_tasks.values()[0])
         self.assertFalse(self.PollsterKeystone.samples)
+
+    def test_interval_exception_isolation(self):
+        super(TestRunTasks, self).test_interval_exception_isolation()
+        self.assertEqual(1, len(self.PollsterException.samples))
+        self.assertEqual(1, len(self.PollsterExceptionAnother.samples))

ceilometer/tests/agent/test_plugin.py

@@ -19,7 +19,7 @@ import mock
 from oslo.config import fixture as fixture_config
 from oslotest import base
 
-from ceilometer import plugin
+from ceilometer.agent import plugin_base
 
 
 TEST_NOTIFICATION = {
@@ -78,29 +78,29 @@ class NotificationBaseTestCase(base.BaseTestCase):
         self.CONF = self.useFixture(fixture_config.Config()).conf
 
     def test_handle_event_type(self):
-        self.assertFalse(plugin.NotificationBase._handle_event_type(
+        self.assertFalse(plugin_base.NotificationBase._handle_event_type(
             'compute.instance.start', ['compute']))
-        self.assertFalse(plugin.NotificationBase._handle_event_type(
+        self.assertFalse(plugin_base.NotificationBase._handle_event_type(
             'compute.instance.start', ['compute.*.foobar']))
-        self.assertFalse(plugin.NotificationBase._handle_event_type(
+        self.assertFalse(plugin_base.NotificationBase._handle_event_type(
             'compute.instance.start', ['compute.*.*.foobar']))
-        self.assertTrue(plugin.NotificationBase._handle_event_type(
+        self.assertTrue(plugin_base.NotificationBase._handle_event_type(
             'compute.instance.start', ['compute.*']))
-        self.assertTrue(plugin.NotificationBase._handle_event_type(
+        self.assertTrue(plugin_base.NotificationBase._handle_event_type(
             'compute.instance.start', ['*']))
-        self.assertTrue(plugin.NotificationBase._handle_event_type(
+        self.assertTrue(plugin_base.NotificationBase._handle_event_type(
             'compute.instance.start', ['compute.*.start']))
-        self.assertTrue(plugin.NotificationBase._handle_event_type(
+        self.assertTrue(plugin_base.NotificationBase._handle_event_type(
             'compute.instance.start', ['*.start']))
-        self.assertTrue(plugin.NotificationBase._handle_event_type(
+        self.assertTrue(plugin_base.NotificationBase._handle_event_type(
             'compute.instance.start', ['compute.*.*.foobar', 'compute.*']))
 
-    class FakePlugin(plugin.NotificationBase):
+    class FakePlugin(plugin_base.NotificationBase):
         def get_exchange_topics(self, conf):
-            return [plugin.ExchangeTopics(exchange="exchange1",
-                                          topics=["t1", "t2"]),
-                    plugin.ExchangeTopics(exchange="exchange2",
-                                          topics=['t3'])]
+            return [plugin_base.ExchangeTopics(exchange="exchange1",
+                                               topics=["t1", "t2"]),
+                    plugin_base.ExchangeTopics(exchange="exchange2",
+                                               topics=['t3'])]
 
         def process_notification(self, message):
             return message

ceilometer/tests/energy/test_kwapi.py

@@ -22,7 +22,7 @@ from oslotest import base
 from oslotest import mockpatch
 import six
 
-from ceilometer.central import manager
+from ceilometer.agent import manager
 from ceilometer.energy import kwapi
 from ceilometer.openstack.common import context
 

ceilometer/tests/hardware/pollsters/base.py

@@ -18,7 +18,7 @@
 import fixtures
 import mock
 
-from ceilometer.central import manager
+from ceilometer.agent import manager
 from ceilometer.hardware.inspector import base as inspector_base
 from ceilometer.tests import base as test_base
 

ceilometer/tests/image/test_glance.py

@@ -20,7 +20,7 @@ from oslo.config import fixture as fixture_config
 from oslotest import base
 from oslotest import mockpatch
 
-from ceilometer.central import manager
+from ceilometer.agent import manager
 from ceilometer.image import glance
 from ceilometer.openstack.common import context
 

ceilometer/tests/ipmi/test_manager.py

@@ -17,11 +17,12 @@
 """
 
 from ceilometer.ipmi import manager
-from ceilometer.tests import agentbase
 
 import mock
 from oslotest import base
 
+from ceilometer.tests.agent import agentbase
+
 
 class TestManager(base.BaseTestCase):
 

ceilometer/tests/network/services/test_fwaas.py

@@ -19,8 +19,8 @@ import mock
 from oslotest import base
 from oslotest import mockpatch
 
-from ceilometer.central import manager
-from ceilometer.central import plugin
+from ceilometer.agent import manager
+from ceilometer.agent import plugin_base
 from ceilometer.network.services import discovery
 from ceilometer.network.services import fwaas
 from ceilometer.openstack.common import context
@@ -34,9 +34,9 @@ class _BaseTestFWPollster(base.BaseTestCase):
         self.addCleanup(mock.patch.stopall)
         self.context = context.get_admin_context()
         self.manager = manager.AgentManager()
-        plugin._get_keystone = mock.Mock()
-        plugin._get_keystone.service_catalog.get_endpoints = mock.MagicMock(
-            return_value={'network': mock.ANY})
+        plugin_base._get_keystone = mock.Mock()
+        plugin_base._get_keystone.service_catalog.get_endpoints = (
+            mock.MagicMock(return_value={'network': mock.ANY}))
 
 
 class TestFirewallPollster(_BaseTestFWPollster):

ceilometer/tests/network/services/test_lbaas.py

@@ -19,8 +19,8 @@ import mock
 from oslotest import base
 from oslotest import mockpatch
 
-from ceilometer.central import manager
-from ceilometer.central import plugin
+from ceilometer.agent import manager
+from ceilometer.agent import plugin_base
 from ceilometer.network.services import discovery
 from ceilometer.network.services import lbaas
 from ceilometer.openstack.common import context
@@ -34,9 +34,9 @@ class _BaseTestLBPollster(base.BaseTestCase):
         self.addCleanup(mock.patch.stopall)
         self.context = context.get_admin_context()
         self.manager = manager.AgentManager()
-        plugin._get_keystone = mock.Mock()
-        plugin._get_keystone.service_catalog.get_endpoints = mock.MagicMock(
-            return_value={'network': mock.ANY})
+        plugin_base._get_keystone = mock.Mock()
+        plugin_base._get_keystone.service_catalog.get_endpoints = (
+            mock.MagicMock(return_value={'network': mock.ANY}))
 
 
 class TestLBPoolPollster(_BaseTestLBPollster):

ceilometer/tests/network/services/test_vpnaas.py

@@ -19,8 +19,8 @@ import mock
 from oslotest import base
 from oslotest import mockpatch
 
-from ceilometer.central import manager
-from ceilometer.central import plugin
+from ceilometer.agent import manager
+from ceilometer.agent import plugin_base
 from ceilometer.network.services import discovery
 from ceilometer.network.services import vpnaas
 from ceilometer.openstack.common import context
@@ -34,9 +34,9 @@ class _BaseTestVPNPollster(base.BaseTestCase):
         self.addCleanup(mock.patch.stopall)
         self.context = context.get_admin_context()
         self.manager = manager.AgentManager()
-        plugin._get_keystone = mock.Mock()
-        plugin._get_keystone.service_catalog.get_endpoints = mock.MagicMock(
-            return_value={'network': mock.ANY})
+        plugin_base._get_keystone = mock.Mock()
+        plugin_base._get_keystone.service_catalog.get_endpoints = (
+            mock.MagicMock(return_value={'network': mock.ANY}))
 
 
 class TestVPNServicesPollster(_BaseTestVPNPollster):

ceilometer/tests/network/test_floatingip.py

@@ -22,7 +22,7 @@
 import mock
 from oslotest import base
 
-from ceilometer.central import manager
+from ceilometer.agent import manager
 from ceilometer.network import floatingip
 from ceilometer.openstack.common import context
 

ceilometer/tests/objectstore/test_swift.py

@@ -25,7 +25,7 @@ from oslotest import mockpatch
 from swiftclient import client as swift_client
 import testscenarios.testcase
 
-from ceilometer.central import manager
+from ceilometer.agent import manager
 from ceilometer.objectstore import swift
 
 HEAD_ACCOUNTS = [('tenant-000', {'x-account-object-count': 12,

ceilometer/volume/notifications.py

@@ -21,7 +21,7 @@ events.
 from oslo.config import cfg
 import oslo.messaging
 
-from ceilometer import plugin
+from ceilometer.agent import plugin_base
 from ceilometer import sample
 
 OPTS = [
@@ -34,7 +34,7 @@ OPTS = [
 cfg.CONF.register_opts(OPTS)
 
 
-class VolumeBase(plugin.NotificationBase):
+class VolumeBase(plugin_base.NotificationBase):
     """Convert volume/snapshot notification into Counters."""
 
     @staticmethod

setup.cfg

@@ -93,8 +93,8 @@ ceilometer.notification =
 
 ceilometer.discover =
     local_instances = ceilometer.compute.discovery:InstanceDiscovery
-    endpoint = ceilometer.central.discovery:EndpointDiscovery
-    tenant = ceilometer.central.discovery:TenantDiscovery
+    endpoint = ceilometer.agent.discovery.endpoint:EndpointDiscovery
+    tenant = ceilometer.agent.discovery.tenant:TenantDiscovery
     lb_pools = ceilometer.network.services.discovery:LBPoolsDiscovery
     lb_vips = ceilometer.network.services.discovery:LBVipsDiscovery
     lb_members = ceilometer.network.services.discovery:LBMembersDiscovery