1de00086f5
This patch set adds implementation for CONTINUOUS type of audit. Change-Id: I5f4ec97b2082c8a6b3ccebe36b2a343fa4a67d19 Implements: blueprint continuously-optimization
127 lines
4.8 KiB
Python
127 lines
4.8 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright (c) 2016 Servionica LTD
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#
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# Authors: Alexander Chadin <a.chadin@servionica.ru>
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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
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# 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 datetime
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from apscheduler.schedulers import background
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from oslo_config import cfg
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from watcher.common import context
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from watcher.decision_engine.audit import base
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from watcher.objects import action_plan as action_objects
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from watcher.objects import audit as audit_objects
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CONF = cfg.CONF
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WATCHER_CONTINUOUS_OPTS = [
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cfg.IntOpt('continuous_audit_interval',
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default=10,
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help='Interval, in seconds, for checking new created'
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'continuous audit.')
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]
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CONF.register_opts(WATCHER_CONTINUOUS_OPTS, 'watcher_decision_engine')
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class ContinuousAuditHandler(base.AuditHandler):
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def __init__(self, messaging):
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super(ContinuousAuditHandler, self).__init__(messaging)
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self._scheduler = None
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self.jobs = []
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self._start()
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self.context_show_deleted = context.RequestContext(is_admin=True,
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show_deleted=True)
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@property
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def scheduler(self):
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if self._scheduler is None:
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self._scheduler = background.BackgroundScheduler()
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return self._scheduler
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def _is_audit_inactive(self, audit):
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audit = audit_objects.Audit.get_by_uuid(self.context_show_deleted,
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audit.uuid)
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if audit.state in (audit_objects.State.CANCELLED,
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audit_objects.State.DELETED,
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audit_objects.State.FAILED):
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# if audit isn't in active states, audit's job must be removed to
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# prevent using of inactive audit in future.
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job_to_delete = [job for job in self.jobs
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if job.keys()[0] == audit.uuid][0]
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self.jobs.remove(job_to_delete)
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job_to_delete[audit.uuid].remove()
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return True
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return False
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def do_execute(self, audit, request_context):
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# execute the strategy
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solution = self.strategy_context.execute_strategy(audit.uuid,
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request_context)
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if audit.audit_type == audit_objects.AuditType.CONTINUOUS.value:
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a_plan_filters = {'audit_uuid': audit.uuid,
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'state': action_objects.State.RECOMMENDED}
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action_plans = action_objects.ActionPlan.list(
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request_context,
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filters=a_plan_filters)
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for plan in action_plans:
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plan.state = action_objects.State.CANCELLED
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plan.save()
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return solution
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def execute_audit(self, audit, request_context):
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if not self._is_audit_inactive(audit):
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self.execute(audit, request_context)
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def post_execute(self, audit, solution, request_context):
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self.planner.schedule(request_context, audit.id, solution)
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def launch_audits_periodically(self):
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audit_context = context.RequestContext(is_admin=True)
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audit_filters = {
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'audit_type': audit_objects.AuditType.CONTINUOUS.value,
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'state__in': (audit_objects.State.PENDING,
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audit_objects.State.ONGOING,
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audit_objects.State.SUCCEEDED)
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}
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audits = audit_objects.Audit.list(audit_context,
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filters=audit_filters)
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scheduler_job_args = [job.args for job in self.scheduler.get_jobs()
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if job.name == 'execute_audit']
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for audit in audits:
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if audit.uuid not in [arg[0].uuid for arg in scheduler_job_args]:
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job = self.scheduler.add_job(
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self.execute_audit, 'interval',
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args=[audit, audit_context],
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seconds=audit.interval,
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name='execute_audit',
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next_run_time=datetime.datetime.now())
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self.jobs.append({audit.uuid: job})
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def _start(self):
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self.scheduler.add_job(
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self.launch_audits_periodically,
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'interval',
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seconds=CONF.watcher_decision_engine.continuous_audit_interval,
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next_run_time=datetime.datetime.now())
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self.scheduler.start()
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