deb-sahara/sahara/utils/notification/sender.py
Vitaly Gridnev 99765e3295 implement sending health notifications
this change implements sending notifications about
health check creation and updates. code was refactored
to avoid duplicated code.

Partially-implements blueprint: cluster-verification

Change-Id: Iac74a7bdec0f59a3720e17a682268faea36a45f3
2016-02-19 11:29:33 +00:00

99 lines
3.3 KiB
Python

# Copyright (c) 2014 Mirantis Inc.
#
# 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 oslo_log import log as logging
from sahara import context
from sahara.utils import rpc as messaging
LOG = logging.getLogger(__name__)
SERVICE = 'sahara'
CLUSTER_EVENT_TEMPLATE = "sahara.cluster.%s"
HEALTH_EVENT_TYPE = CLUSTER_EVENT_TEMPLATE % "health"
notifier_opts = [
cfg.StrOpt('level',
default='INFO',
deprecated_name='notification_level',
deprecated_group='DEFAULT',
help='Notification level for outgoing notifications'),
cfg.StrOpt('publisher_id',
deprecated_name='notification_publisher_id',
deprecated_group='DEFAULT',
help='Notification publisher_id for outgoing notifications'),
cfg.BoolOpt('enable',
deprecated_name='enable_notifications',
deprecated_group='DEFAULT',
default=False,
help='Enables sending notifications to Ceilometer')
]
notifier_opts_group = 'oslo_messaging_notifications'
CONF = cfg.CONF
CONF.register_opts(notifier_opts, group=notifier_opts_group)
def _get_publisher():
publisher_id = CONF.oslo_messaging_notifications.publisher_id
if publisher_id is None:
publisher_id = SERVICE
return publisher_id
def _notify(event_type, body):
if not cfg.CONF.oslo_messaging_notifications.enable:
return
LOG.debug("Notification about cluster is going to be sent. Notification "
"type={type}".format(type=event_type))
ctx = context.ctx()
level = CONF.oslo_messaging_notifications.level
body.update({'project_id': ctx.tenant_id, 'user_id': ctx.user_id})
client = messaging.get_notifier(_get_publisher())
method = getattr(client, level.lower())
method(ctx, event_type, body)
def _health_notification_body(cluster, health_check):
verification = cluster.verification
return {
'cluster_id': cluster.id,
'cluster_name': cluster.name,
'verification_id': verification['id'],
'health_check_status': health_check['status'],
'health_check_name': health_check['name'],
'health_check_description': health_check['description'],
'created_at': health_check['created_at'],
'updated_at': health_check['updated_at']
}
def status_notify(cluster_id, cluster_name, cluster_status, ev_type):
"""Sends notification about creating/updating/deleting cluster."""
_notify(CLUSTER_EVENT_TEMPLATE % ev_type, {
'cluster_id': cluster_id, 'cluster_name': cluster_name,
'cluster_status': cluster_status})
def health_notify(cluster, health_check):
"""Sends notification about current cluster health."""
_notify(HEALTH_EVENT_TYPE,
_health_notification_body(cluster, health_check))