269 lines
10 KiB
Python
Executable File
269 lines
10 KiB
Python
Executable File
# Copyright (c) 2015 Intel Inc.
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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 functools
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from oslo_log import log
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from oslo_log.versionutils import deprecated
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from oslo_service import loopingcall
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from oslo_service import periodic_task
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from pycadf import cadftaxonomy as taxonomy
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from magnum.common import context
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from magnum.common import profiler
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from magnum.common import rpc
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from magnum.conductor import monitors
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from magnum.conductor import utils as conductor_utils
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import magnum.conf
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from magnum.drivers.common import driver
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from magnum import objects
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CONF = magnum.conf.CONF
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LOG = log.getLogger(__name__)
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def set_context(func):
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@functools.wraps(func)
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def handler(self, ctx):
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ctx = context.make_admin_context(all_tenants=True)
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context.set_ctx(ctx)
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func(self, ctx)
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context.set_ctx(None)
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return handler
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class ClusterUpdateJob(object):
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status_to_event = {
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objects.fields.ClusterStatus.DELETE_COMPLETE: taxonomy.ACTION_DELETE,
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objects.fields.ClusterStatus.CREATE_COMPLETE: taxonomy.ACTION_CREATE,
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objects.fields.ClusterStatus.UPDATE_COMPLETE: taxonomy.ACTION_UPDATE,
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objects.fields.ClusterStatus.ROLLBACK_COMPLETE: taxonomy.ACTION_UPDATE,
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objects.fields.ClusterStatus.CREATE_FAILED: taxonomy.ACTION_CREATE,
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objects.fields.ClusterStatus.DELETE_FAILED: taxonomy.ACTION_DELETE,
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objects.fields.ClusterStatus.UPDATE_FAILED: taxonomy.ACTION_UPDATE,
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objects.fields.ClusterStatus.ROLLBACK_FAILED: taxonomy.ACTION_UPDATE
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}
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def __init__(self, ctx, cluster):
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self.ctx = ctx
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self.cluster = cluster
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def update_status(self):
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LOG.debug("Updating status for cluster %s", self.cluster.id)
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# get the driver for the cluster
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cdriver = driver.Driver.get_driver_for_cluster(self.ctx, self.cluster)
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# ask the driver to sync status
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cdriver.update_cluster_status(self.ctx, self.cluster)
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LOG.debug("Status for cluster %s updated to %s (%s)",
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self.cluster.id, self.cluster.status,
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self.cluster.status_reason)
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# status update notifications
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if self.cluster.status.endswith("_COMPLETE"):
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conductor_utils.notify_about_cluster_operation(
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self.ctx, self.status_to_event[self.cluster.status],
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taxonomy.OUTCOME_SUCCESS)
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if self.cluster.status.endswith("_FAILED"):
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conductor_utils.notify_about_cluster_operation(
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self.ctx, self.status_to_event[self.cluster.status],
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taxonomy.OUTCOME_FAILURE)
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# if we're done with it, delete it
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if self.cluster.status == objects.fields.ClusterStatus.DELETE_COMPLETE:
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self.cluster.destroy()
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# end the "loop"
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raise loopingcall.LoopingCallDone()
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class ClusterHealthUpdateJob(object):
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def __init__(self, ctx, cluster):
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self.ctx = ctx
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self.cluster = cluster
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def _update_health_status(self):
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monitor = monitors.create_monitor(self.ctx, self.cluster)
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if monitor is None:
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return
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try:
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monitor.poll_health_status()
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except Exception as e:
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LOG.warning(
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"Skip pulling data from cluster %(cluster)s due to "
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"error: %(e)s",
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{'e': e, 'cluster': self.cluster.uuid}, exc_info=True)
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# TODO(flwang): Should we mark this cluster's health status as
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# UNKNOWN if Magnum failed to pull data from the cluster? Because
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# that basically means the k8s API doesn't work at that moment.
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return
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if monitor.data.get('health_status'):
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self.cluster.health_status = monitor.data.get('health_status')
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self.cluster.health_status_reason = monitor.data.get(
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'health_status_reason')
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self.cluster.save()
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def update_health_status(self):
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LOG.debug("Updating health status for cluster %s", self.cluster.id)
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self._update_health_status()
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LOG.debug("Status for cluster %s updated to %s (%s)",
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self.cluster.id, self.cluster.health_status,
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self.cluster.health_status_reason)
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# TODO(flwang): Health status update notifications?
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# end the "loop"
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raise loopingcall.LoopingCallDone()
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@profiler.trace_cls("rpc")
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class MagnumPeriodicTasks(periodic_task.PeriodicTasks):
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"""Magnum periodic Task class
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Any periodic task job need to be added into this class
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NOTE(suro-patz):
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- oslo_service.periodic_task runs tasks protected within try/catch
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block, with default raise_on_error as 'False', in run_periodic_tasks(),
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which ensures the process does not die, even if a task encounters an
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Exception.
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- The periodic tasks here does not necessarily need another
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try/catch block. The present try/catch block here helps putting
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magnum-periodic-task-specific log/error message.
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"""
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def __init__(self, conf):
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super(MagnumPeriodicTasks, self).__init__(conf)
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self.notifier = rpc.get_notifier()
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@periodic_task.periodic_task(spacing=10, run_immediately=True)
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@set_context
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def sync_cluster_status(self, ctx):
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try:
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LOG.debug('Starting to sync up cluster status')
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# get all the clusters that are IN_PROGRESS
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status = [objects.fields.ClusterStatus.CREATE_IN_PROGRESS,
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objects.fields.ClusterStatus.UPDATE_IN_PROGRESS,
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objects.fields.ClusterStatus.DELETE_IN_PROGRESS,
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objects.fields.ClusterStatus.ROLLBACK_IN_PROGRESS]
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filters = {'status': status}
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clusters = objects.Cluster.list(ctx, filters=filters)
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if not clusters:
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return
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# synchronize with underlying orchestration
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for cluster in clusters:
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job = ClusterUpdateJob(ctx, cluster)
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# though this call isn't really looping, we use this
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# abstraction anyway to avoid dealing directly with eventlet
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# hooey
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lc = loopingcall.FixedIntervalLoopingCall(f=job.update_status)
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lc.start(1, stop_on_exception=True)
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except Exception as e:
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LOG.warning(
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"Ignore error [%s] when syncing up cluster status.",
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e, exc_info=True)
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@periodic_task.periodic_task(spacing=10, run_immediately=True)
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@set_context
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def sync_cluster_health_status(self, ctx):
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try:
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LOG.debug('Starting to sync up cluster health status')
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status = [objects.fields.ClusterStatus.CREATE_COMPLETE,
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objects.fields.ClusterStatus.UPDATE_COMPLETE,
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objects.fields.ClusterStatus.UPDATE_IN_PROGRESS,
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objects.fields.ClusterStatus.ROLLBACK_IN_PROGRESS]
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filters = {'status': status}
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clusters = objects.Cluster.list(ctx, filters=filters)
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if not clusters:
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return
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# synchronize using native COE API
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for cluster in clusters:
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job = ClusterHealthUpdateJob(ctx, cluster)
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# though this call isn't really looping, we use this
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# abstraction anyway to avoid dealing directly with eventlet
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# hooey
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lc = loopingcall.FixedIntervalLoopingCall(
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f=job.update_health_status)
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lc.start(1, stop_on_exception=True)
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except Exception as e:
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LOG.warning(
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"Ignore error [%s] when syncing up cluster status.",
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e, exc_info=True)
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@periodic_task.periodic_task(run_immediately=True)
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@set_context
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@deprecated(as_of=deprecated.ROCKY)
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def _send_cluster_metrics(self, ctx):
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if not CONF.drivers.send_cluster_metrics:
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LOG.debug('Skip sending cluster metrics')
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return
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LOG.debug('Starting to send cluster metrics')
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for cluster in objects.Cluster.list(ctx):
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if cluster.status not in (
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objects.fields.ClusterStatus.CREATE_COMPLETE,
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objects.fields.ClusterStatus.UPDATE_COMPLETE):
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continue
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monitor = monitors.create_monitor(ctx, cluster)
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if monitor is None:
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continue
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try:
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monitor.pull_data()
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except Exception as e:
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LOG.warning(
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"Skip pulling data from cluster %(cluster)s due to "
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"error: %(e)s",
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{'e': e, 'cluster': cluster.uuid}, exc_info=True)
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continue
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metrics = list()
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for name in monitor.get_metric_names():
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try:
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metric = {
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'name': name,
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'value': monitor.compute_metric_value(name),
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'unit': monitor.get_metric_unit(name),
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}
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metrics.append(metric)
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except Exception as e:
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LOG.warning("Skip adding metric %(name)s due to "
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"error: %(e)s",
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{'e': e, 'name': name}, exc_info=True)
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message = dict(metrics=metrics,
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user_id=cluster.user_id,
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project_id=cluster.project_id,
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resource_id=cluster.uuid)
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LOG.debug("About to send notification: '%s'", message)
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self.notifier.info(ctx, "magnum.cluster.metrics.update",
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message)
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def setup(conf, tg):
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pt = MagnumPeriodicTasks(conf)
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tg.add_dynamic_timer(
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pt.run_periodic_tasks,
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periodic_interval_max=conf.periodic_interval_max,
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context=None)
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