mirror of
https://pagure.io/fm-orchestrator.git
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575c2b8f05
This fixes an issue that occurs when someone submits a module build and most of its components get reused and the poller just so happens to try to resume the build.
335 lines
16 KiB
Python
335 lines
16 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2016 Red Hat, Inc.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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""" The PollingProducer class that acts as a producer entry point for
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fedmsg-hub. This class polls the database for tasks to do.
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"""
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import koji
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import operator
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from datetime import timedelta, datetime
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from sqlalchemy.orm import lazyload
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from moksha.hub.api.producer import PollingProducer
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import module_build_service.messaging
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import module_build_service.scheduler
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import module_build_service.scheduler.consumer
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from module_build_service import conf, models, log
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from module_build_service.builder import GenericBuilder
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class MBSProducer(PollingProducer):
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frequency = timedelta(seconds=conf.polling_interval)
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def poll(self):
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with models.make_session(conf) as session:
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try:
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self.log_summary(session)
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self.process_waiting_module_builds(session)
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self.process_open_component_builds(session)
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self.fail_lost_builds(session)
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self.process_paused_module_builds(conf, session)
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self.trigger_new_repo_when_stalled(conf, session)
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self.delete_old_koji_targets(conf, session)
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self.cleanup_stale_failed_builds(conf, session)
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except Exception:
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msg = 'Error in poller execution:'
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log.exception(msg)
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log.info('Poller will now sleep for "{}" seconds'
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.format(conf.polling_interval))
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def fail_lost_builds(self, session):
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# This function is supposed to be handling only the part which can't be
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# updated through messaging (e.g. srpm-build failures). Please keep it
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# fit `n` slim. We do want rest to be processed elsewhere
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# TODO re-use
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if conf.system == 'koji':
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# We don't do this on behalf of users
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koji_session = module_build_service.builder.KojiModuleBuilder.KojiModuleBuilder\
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.get_session(conf, None)
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log.info('Querying tasks for statuses:')
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res = models.ComponentBuild.query.filter_by(
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state=koji.BUILD_STATES['BUILDING']).options(
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lazyload('module_build')).all()
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log.info('Checking status for {0} tasks'.format(len(res)))
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for component_build in res:
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log.debug(component_build.json())
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# Don't check tasks which haven't been triggered yet
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if not component_build.task_id:
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continue
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# Don't check tasks for components which have been reused,
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# they may have BUILDING state temporarily before we tag them
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# to new module tag. Checking them would be waste of resources.
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if component_build.reused_component_id:
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log.debug('Skipping check for task "{0}", '
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'the component has been reused ("{1}").'.format(
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component_build.task_id,
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component_build.reused_component_id))
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continue
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task_id = component_build.task_id
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log.info('Checking status of task_id "{0}"'.format(task_id))
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task_info = koji_session.getTaskInfo(task_id)
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state_mapping = {
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# Cancelled and failed builds should be marked as failed.
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koji.TASK_STATES['CANCELED']: koji.BUILD_STATES['FAILED'],
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koji.TASK_STATES['FAILED']: koji.BUILD_STATES['FAILED'],
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# Completed tasks should be marked as complete.
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koji.TASK_STATES['CLOSED']: koji.BUILD_STATES['COMPLETE'],
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}
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# If it is a closed/completed task, then we can extract the NVR
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build_version, build_release = None, None # defaults
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if task_info['state'] == koji.TASK_STATES['CLOSED']:
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builds = koji_session.listBuilds(taskID=task_id)
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if not builds:
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log.warn("Task ID %r is closed, but we found no "
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"builds in koji." % task_id)
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elif len(builds) > 1:
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log.warn("Task ID %r is closed, but more than one "
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"build is present!" % task_id)
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else:
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build_version = builds[0]['version']
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build_release = builds[0]['release']
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log.info(' task {0!r} is in state {1!r}'.format(
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task_id, task_info['state']))
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if task_info['state'] in state_mapping:
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# Fake a fedmsg message on our internal queue
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msg = module_build_service.messaging.KojiBuildChange(
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msg_id='producer::fail_lost_builds fake msg',
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build_id=component_build.task_id,
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task_id=component_build.task_id,
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build_name=component_build.package,
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build_new_state=state_mapping[task_info['state']],
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build_release=build_release,
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build_version=build_version,
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)
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module_build_service.scheduler.consumer.work_queue_put(msg)
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elif conf.system == 'copr':
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# @TODO
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pass
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elif conf.system == 'mock':
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pass
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def cleanup_stale_failed_builds(self, conf, session):
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""" Does various clean up tasks on stale failed module builds
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:param conf: the MBS configuration object
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:param session: a SQLAlchemy database session
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"""
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if conf.system == 'koji':
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stale_date = datetime.utcnow() - timedelta(
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days=conf.cleanup_failed_builds_time)
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stale_module_builds = session.query(models.ModuleBuild).filter(
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models.ModuleBuild.state == models.BUILD_STATES['failed'],
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models.ModuleBuild.time_modified <= stale_date).all()
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if stale_module_builds:
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log.info('{0} stale failed module build(s) will be cleaned up'.format(
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len(stale_module_builds)))
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for module in stale_module_builds:
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log.info('{0!r} is stale and is being cleaned up'.format(module))
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# Find completed artifacts in the stale build
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artifacts = [c for c in module.component_builds
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if c.state == koji.BUILD_STATES['COMPLETE']]
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# If there are no completed artifacts, then there is nothing to tag
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if artifacts:
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# Set buildroot_connect=False so it doesn't recreate the Koji target and etc.
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builder = GenericBuilder.create_from_module(
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session, module, conf, buildroot_connect=False)
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builder.untag_artifacts([c.nvr for c in artifacts])
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# Mark the artifacts as untagged in the database
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for c in artifacts:
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c.tagged = False
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c.tagged_in_final = False
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session.add(c)
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state_reason = ('The module was garbage collected since it has failed over {0}'
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' day(s) ago'.format(conf.cleanup_failed_builds_time))
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module.transition(
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conf, models.BUILD_STATES['garbage'], state_reason=state_reason)
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session.add(module)
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session.commit()
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def log_summary(self, session):
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log.info('Current status:')
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consumer = module_build_service.scheduler.consumer.get_global_consumer()
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backlog = consumer.incoming.qsize()
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log.info(' * internal queue backlog is {0}'.format(backlog))
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states = sorted(models.BUILD_STATES.items(), key=operator.itemgetter(1))
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for name, code in states:
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query = models.ModuleBuild.query.filter_by(state=code)
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count = query.count()
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if count:
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log.info(' * {0} module builds in the {1} state'.format(
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count, name))
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if name == 'build':
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for module_build in query.all():
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log.info(' * {0!r}'.format(module_build))
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# First batch is number '1'.
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for i in range(1, module_build.batch + 1):
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n = len([c for c in module_build.component_builds
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if c.batch == i])
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log.info(' * {0} components in batch {1}'
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.format(n, i))
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def process_waiting_module_builds(self, session):
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log.info('Looking for module builds stuck in the wait state')
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builds = models.ModuleBuild.by_state(session, 'wait')
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log.info(' {0!r} module builds in the wait state...'
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.format(len(builds)))
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now = datetime.utcnow()
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ten_minutes = timedelta(minutes=10)
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for build in builds:
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# Only give builds a nudge if stuck for more than ten minutes
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if (now - build.time_modified) < ten_minutes:
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continue
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# Pretend the build is modified, so we don't tight spin.
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build.time_modified = now
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session.commit()
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# Fake a message to kickstart the build anew in the consumer
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state = module_build_service.models.BUILD_STATES['wait']
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msg = module_build_service.messaging.MBSModule(
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'fake message', build.id, state)
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log.info(" Scheduling faked event %r" % msg)
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module_build_service.scheduler.consumer.work_queue_put(msg)
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def process_open_component_builds(self, session):
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log.warning('process_open_component_builds is not yet implemented...')
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def process_paused_module_builds(self, config, session):
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if module_build_service.utils.at_concurrent_component_threshold(
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config, session):
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log.debug('Will not attempt to start paused module builds due to '
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'the concurrent build threshold being met')
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return
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ten_minutes = timedelta(minutes=10)
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# Check for module builds that are in the build state but don't have any active component
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# builds. Exclude module builds in batch 0. This is likely a build of a module without
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# components.
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module_builds = session.query(models.ModuleBuild).filter(
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models.ModuleBuild.state == models.BUILD_STATES['build'],
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models.ModuleBuild.batch > 0).all()
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for module_build in module_builds:
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now = datetime.utcnow()
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# Only give builds a nudge if stuck for more than ten minutes
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if (now - module_build.time_modified) < ten_minutes:
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continue
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# If there are no components in the build state on the module build,
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# then no possible event will start off new component builds.
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# But do not try to start new builds when we are waiting for the
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# repo-regen.
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if (not module_build.current_batch(koji.BUILD_STATES['BUILDING']) and
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not module_build.new_repo_task_id):
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# Initialize the builder...
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builder = GenericBuilder.create_from_module(
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session, module_build, config)
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further_work = module_build_service.utils.start_next_batch_build(
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config, module_build, session, builder)
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for event in further_work:
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log.info(" Scheduling faked event %r" % event)
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module_build_service.scheduler.consumer.work_queue_put(event)
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# Check if we have met the threshold.
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if module_build_service.utils.at_concurrent_component_threshold(
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config, session):
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break
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def trigger_new_repo_when_stalled(self, config, session):
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"""
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Sometimes the Koji repo regeneration stays in "init" state without
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doing anything and our module build stucks. In case the module build
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gets stuck on that, we trigger newRepo again to rebuild it.
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"""
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if config.system != 'koji':
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return
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koji_session = module_build_service.builder.KojiModuleBuilder.KojiModuleBuilder\
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.get_session(config, None)
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for module_build in session.query(models.ModuleBuild) \
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.filter_by(state=models.BUILD_STATES['build']).all():
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if not module_build.new_repo_task_id:
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continue
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task_info = koji_session.getTaskInfo(module_build.new_repo_task_id)
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if (task_info["state"] in [koji.TASK_STATES['CANCELED'],
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koji.TASK_STATES['FAILED']]):
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log.info("newRepo task %s for %r failed, starting another one",
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str(module_build.new_repo_task_id), module_build)
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taginfo = koji_session.getTag(module_build.koji_tag + "-build")
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module_build.new_repo_task_id = koji_session.newRepo(taginfo["name"])
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else:
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module_build.new_repo_task_id = 0
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session.commit()
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def delete_old_koji_targets(self, config, session):
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"""
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Deletes targets older than `config.koji_target_delete_time` seconds
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from Koji to cleanup after the module builds.
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"""
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if config.system != 'koji':
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return
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log.info('Looking for module builds which Koji target can be removed')
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now = datetime.utcnow()
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koji_session = module_build_service.builder.KojiModuleBuilder.KojiModuleBuilder\
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.get_session(config, None)
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for target in koji_session.getBuildTargets():
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koji_tag = target["dest_tag_name"]
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module = session.query(models.ModuleBuild).filter_by(
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koji_tag=koji_tag).first()
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if not module or module.state in [models.BUILD_STATES["init"],
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models.BUILD_STATES["wait"],
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models.BUILD_STATES["build"]]:
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continue
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# Double-check that the target we are going to remove is prefixed
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# by our prefix, so we won't remove f26 when there is some garbage
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# in DB or Koji.
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for allowed_prefix in config.koji_tag_prefixes:
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if target['name'].startswith(allowed_prefix + "-"):
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break
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else:
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log.error("Module %r has Koji target with not allowed prefix.",
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module)
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continue
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delta = now - module.time_completed
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if delta.total_seconds() > config.koji_target_delete_time:
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log.info("Removing target of module %r", module)
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koji_session.deleteBuildTarget(target['id'])
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