Add common notification sending functions
This patch adds common notification sending functions. This functions are used by three monitors. Change-Id: I8be71f64a513aeaa2d8cd9f59c37e658f9497d66 Implements: bp pythonize-host-and-process-monitor
This commit is contained in:
Kengo Takahara
takahara.kengo
parent
31b7efbab7
commit
fd7b703035
0
masakarimonitors/ha/__init__.py
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masakarimonitors/ha/__init__.py
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masakarimonitors/ha/masakari.py
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masakarimonitors/ha/masakari.py
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# Copyright(c) 2016 Nippon Telegraph and Telephone Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import eventlet
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from openstack import connection
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from openstack import profile
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from oslo_log import log as oslo_logging
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from masakariclient.sdk.ha import ha_service
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import masakarimonitors.conf
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from masakarimonitors.i18n import _LE
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from masakarimonitors.i18n import _LI
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from masakarimonitors.i18n import _LW
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LOG = oslo_logging.getLogger(__name__)
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CONF = masakarimonitors.conf.CONF
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PROFILE_TYPE = "ha"
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PROFILE_NAME = "masakari"
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class SendNotification(object):
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def _get_connection(self, api_version, region, interface, auth_url,
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project_name, username, password, project_domain_id,
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user_domain_id):
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# Create profile object.
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prof = profile.Profile()
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prof._add_service(ha_service.HAService(version=api_version))
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prof.set_name(PROFILE_TYPE, PROFILE_NAME)
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prof.set_region(PROFILE_TYPE, region)
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prof.set_version(PROFILE_TYPE, api_version)
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prof.set_interface(PROFILE_TYPE, interface)
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# Get connection.
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conn = connection.Connection(
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auth_url=auth_url,
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project_name=project_name,
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username=username,
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password=password,
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project_domain_id=project_domain_id,
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user_domain_id=user_domain_id,
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profile=prof)
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return conn
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def send_notification(self, api_retry_max, api_retry_interval, event):
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"""Send a notification.
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This method sends a notification to the masakari-api.
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:param api_retry_max: Number of retries when the notification
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processing is error.
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:param api_retry_interval: Trial interval of time of the notification
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processing is error.
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:param event: dictionary of event that included in notification.
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"""
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LOG.info(_LI("Send a notification. %s"), event)
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# Get connection.
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conn = self._get_connection(
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api_version=CONF.api.api_version,
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region=CONF.api.region,
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interface=CONF.api.api_interface,
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auth_url=CONF.api.auth_url,
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project_name=CONF.api.project_name,
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username=CONF.api.username,
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password=CONF.api.password,
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project_domain_id=CONF.api.project_domain_name,
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user_domain_id=CONF.api.project_domain_name)
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# Send a notification.
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retry_count = 0
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while True:
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try:
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response = conn.ha.create_notification(
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type=event['notification']['type'],
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hostname=event['notification']['hostname'],
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generated_time=event['notification']['generated_time'],
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payload=event['notification']['payload'])
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LOG.info(_LI("Response: %s"), response)
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break
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except Exception as e:
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if retry_count < api_retry_max:
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LOG.warning(_LW("Retry sending a notification. (%s)"), e)
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retry_count = retry_count + 1
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eventlet.greenthread.sleep(api_retry_interval)
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else:
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LOG.exception(_LE("Exception caught: %s"), e)
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break
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@ -12,103 +12,22 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import time
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from openstack import connection
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from openstack import profile
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from oslo_log import log as oslo_logging
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from masakariclient.sdk.ha import ha_service
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import masakarimonitors.conf
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from masakarimonitors.i18n import _LE
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from masakarimonitors.ha import masakari
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from masakarimonitors.i18n import _LI
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from masakarimonitors.i18n import _LW
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LOG = oslo_logging.getLogger(__name__)
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CONF = masakarimonitors.conf.CONF
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TYPE = "ha"
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NAME = "masakari"
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class Callback(object):
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"""Class of callback processing."""
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def _get_connection(self, api_version, region, interface, auth_url,
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project_name, username, password, project_domain_id,
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user_domain_id):
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prof = profile.Profile()
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prof._add_service(ha_service.HAService(version=api_version))
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prof.set_name(TYPE, NAME)
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prof.set_region(TYPE, region)
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prof.set_version(TYPE, api_version)
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prof.set_interface(TYPE, interface)
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conn = connection.Connection(auth_url=auth_url,
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project_name=project_name,
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username=username,
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password=password,
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project_domain_id=project_domain_id,
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user_domain_id=user_domain_id,
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profile=prof)
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return conn
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def _post_event(self, event):
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type = event['notification']['type']
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hostname = event['notification']['hostname']
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generated_time = event['notification']['generated_time']
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payload = event['notification']['payload']
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LOG.info(_LI("Send notification for hostname '%(hostname)s',"
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" type '%(type)s' ") % {'hostname': hostname,
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'type': type})
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# Set conf value.
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project_domain_name = CONF.api.project_domain_name
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project_name = CONF.api.project_name
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username = CONF.api.username
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password = CONF.api.password
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auth_url = CONF.api.auth_url
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region = CONF.api.region
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interface = CONF.api.api_interface
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api_version = CONF.api.api_version
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retry_max = CONF.callback.retry_max
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retry_interval = CONF.callback.retry_interval
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conn = self._get_connection(
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api_version=api_version, region=region,
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interface=interface, auth_url=auth_url,
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project_name=project_name, username=username,
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password=password, project_domain_id=project_domain_name,
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user_domain_id=project_domain_name)
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retry_count = 0
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while True:
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try:
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response = conn.ha.create_notification(
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type=type,
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hostname=hostname,
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generated_time=generated_time,
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payload=payload)
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LOG.info(_LI("Notification response received : %s"), response)
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break
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except Exception as e:
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# TODO(rkmrHonjo):
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# We should determine retriable exceptions or not.
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if retry_count < retry_max:
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LOG.warning(_LW("Retry sending a notification. (%s)"), e)
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retry_count = retry_count + 1
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time.sleep(retry_interval)
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else:
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LOG.exception(_LE("Failed to send notification for type"
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" '%(type)s' for hostname"
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" '%(hostname)s'") %
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{'type': type, 'hostname': hostname})
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break
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def __init__(self):
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self.notifier = masakari.SendNotification()
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def libvirt_event_callback(self, event_id, details, domain_uuid,
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notice_type, hostname, current_time):
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@ -153,4 +72,6 @@ class Callback(object):
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}
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}
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self._post_event(event)
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self.notifier.send_notification(CONF.callback.retry_max,
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CONF.callback.retry_interval,
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event)
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@ -23,6 +23,7 @@ from oslo_utils import timeutils
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from masakarimonitors.instancemonitor.libvirt_handler import callback
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from masakarimonitors.instancemonitor.libvirt_handler \
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import eventfilter_table as evft
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from masakarimonitors.objects import event_constants as ec
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LOG = oslo_logging.getLogger(__name__)
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@ -43,7 +44,7 @@ class EventFilter(object):
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:pram uuID: UUID
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"""
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noticeType = 'VM'
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noticeType = ec.EventConstants.TYPE_VM
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hostname = socket.gethostname()
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currentTime = timeutils.utcnow()
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0
masakarimonitors/objects/__init__.py
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0
masakarimonitors/objects/__init__.py
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32
masakarimonitors/objects/event_constants.py
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32
masakarimonitors/objects/event_constants.py
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@ -0,0 +1,32 @@
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# Copyright(c) 2016 Nippon Telegraph and Telephone Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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class EventConstants(object):
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# Define event types.
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TYPE_PROCESS = "PROCESS"
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TYPE_COMPUTE_HOST = "COMPUTE_HOST"
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TYPE_VM = "VM"
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# Define event details.
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EVENT_STARTED = "STARTED"
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EVENT_STOPPED = "STOPPED"
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# Define host status.
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HOST_STATUS_NORMAL = "NORMAL"
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HOST_STATUS_UNKNOWN = "UNKNOWN"
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# Define cluster status.
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CLUSTER_STATUS_ONLINE = "ONLINE"
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CLUSTER_STATUS_OFFLINE = "OFFLINE"
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