Files
watcher/watcher/decision_engine/audit/base.py
Hidekazu Nakamura 095ca0ffb2 Fix log level error to warning
When action plan is currently running, new action plan is set as
SUPERSEDED and error log reported. This patch changes log level
from error to warning.

Change-Id: I931218843d8f09340bd5363256164807d514446b
Closes-Bug: #1662450
(cherry picked from commit 58711aaaec)
2017-02-08 00:05:44 +00:00

138 lines
4.9 KiB
Python

# -*- encoding: utf-8 -*-
# Copyright (c) 2015 b<>com
#
# Authors: Jean-Emile DARTOIS <jean-emile.dartois@b-com.com>
# Alexander Chadin <a.chadin@servionica.ru>
#
# 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.
#
import abc
import six
from oslo_log import log
from watcher.applier import rpcapi
from watcher.common import exception
from watcher.decision_engine.planner import manager as planner_manager
from watcher.decision_engine.strategy.context import default as default_context
from watcher import notifications
from watcher import objects
from watcher.objects import fields
LOG = log.getLogger(__name__)
@six.add_metaclass(abc.ABCMeta)
class BaseAuditHandler(object):
@abc.abstractmethod
def execute(self, audit_uuid, request_context):
raise NotImplementedError()
@abc.abstractmethod
def pre_execute(self, audit_uuid, request_context):
raise NotImplementedError()
@abc.abstractmethod
def do_execute(self, audit, request_context):
raise NotImplementedError()
@abc.abstractmethod
def post_execute(self, audit, solution, request_context):
raise NotImplementedError()
@six.add_metaclass(abc.ABCMeta)
class AuditHandler(BaseAuditHandler):
def __init__(self, messaging):
self._messaging = messaging
self._strategy_context = default_context.DefaultStrategyContext()
self._planner_manager = planner_manager.PlannerManager()
self._planner = None
@property
def planner(self):
if self._planner is None:
self._planner = self._planner_manager.load()
return self._planner
@property
def messaging(self):
return self._messaging
@property
def strategy_context(self):
return self._strategy_context
def do_schedule(self, request_context, audit, solution):
try:
notifications.audit.send_action_notification(
request_context, audit,
action=fields.NotificationAction.PLANNER,
phase=fields.NotificationPhase.START)
action_plan = self.planner.schedule(request_context, audit.id,
solution)
notifications.audit.send_action_notification(
request_context, audit,
action=fields.NotificationAction.PLANNER,
phase=fields.NotificationPhase.END)
return action_plan
except Exception:
notifications.audit.send_action_notification(
request_context, audit,
action=fields.NotificationAction.PLANNER,
priority=fields.NotificationPriority.ERROR,
phase=fields.NotificationPhase.ERROR)
raise
@staticmethod
def update_audit_state(audit, state):
LOG.debug("Update audit state: %s", state)
audit.state = state
audit.save()
def pre_execute(self, audit, request_context):
LOG.debug("Trigger audit %s", audit.uuid)
# change state of the audit to ONGOING
self.update_audit_state(audit, objects.audit.State.ONGOING)
def post_execute(self, audit, solution, request_context):
action_plan = self.do_schedule(request_context, audit, solution)
a_plan_filters = {'state': objects.action_plan.State.ONGOING}
ongoing_action_plans = objects.ActionPlan.list(
request_context, filters=a_plan_filters)
if ongoing_action_plans:
action_plan.state = objects.action_plan.State.SUPERSEDED
action_plan.save()
raise exception.ActionPlanIsOngoing(
action_plan=ongoing_action_plans[0].uuid,
new_action_plan=action_plan.uuid)
elif audit.auto_trigger:
applier_client = rpcapi.ApplierAPI()
applier_client.launch_action_plan(request_context,
action_plan.uuid)
def execute(self, audit, request_context):
try:
self.pre_execute(audit, request_context)
solution = self.do_execute(audit, request_context)
self.post_execute(audit, solution, request_context)
except exception.ActionPlanIsOngoing as e:
LOG.warning(e)
if audit.audit_type == objects.audit.AuditType.ONESHOT.value:
self.update_audit_state(audit, objects.audit.State.CANCELLED)
except Exception as e:
LOG.exception(e)
self.update_audit_state(audit, objects.audit.State.FAILED)