# -*- encoding: utf-8 -*-
# Copyright (c) 2017 ZTE
#
# 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
from watcher.applier.loading import default
from watcher.common import context
from watcher.common import exception
from watcher import objects
CONF = cfg.CONF
LOG = log.getLogger(__name__)
[docs]class Syncer(object):
"""Syncs all available actions with the Watcher DB"""
[docs] def sync(self):
ctx = context.make_context()
action_loader = default.DefaultActionLoader()
available_actions = action_loader.list_available()
for action_type in available_actions.keys():
load_action = action_loader.load(action_type)
load_description = load_action.get_description()
try:
action_desc = objects.ActionDescription.get_by_type(
ctx, action_type)
if action_desc.description != load_description:
action_desc.description = load_description
action_desc.save()
except exception.ActionDescriptionNotFound:
obj_action_desc = objects.ActionDescription(ctx)
obj_action_desc.action_type = action_type
obj_action_desc.description = load_description
obj_action_desc.create()
self._cancel_ongoing_actionplans(ctx)
def _cancel_ongoing_actionplans(self, context):
actions_plans = objects.ActionPlan.list(
context,
filters={'state': objects.action_plan.State.ONGOING,
'hostname': CONF.host},
eager=True)
for ap in actions_plans:
ap.state = objects.action_plan.State.CANCELLED
ap.save()
filters = {'action_plan_uuid': ap.uuid,
'state__in': (objects.action.State.PENDING,
objects.action.State.ONGOING)}
actions = objects.Action.list(context, filters=filters, eager=True)
for a in actions:
a.state = objects.action.State.CANCELLED
a.save()
LOG.info("Action Plan %(uuid)s along with appropriate Actions "
"has been cancelled because it was in %(state)s state "
"when Applier had been stopped on %(hostname)s host.",
{'uuid': ap.uuid,
'state': objects.action_plan.State.ONGOING,
'hostname': ap.hostname})
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