237 lines
9.0 KiB
Python
237 lines
9.0 KiB
Python
# 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 heatclient import exc as heat_exc
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from oslo_config import cfg
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from oslo_log import log
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from oslo_service import periodic_task
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import six
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from magnum.common import clients
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from magnum.common import context
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from magnum.common import exception
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from magnum.common import rpc
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from magnum.conductor import monitors
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from magnum.i18n import _
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from magnum.i18n import _LI
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from magnum.i18n import _LW
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from magnum import objects
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from magnum.objects.fields import BayStatus as bay_status
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CONF = cfg.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 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(run_immediately=True)
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@set_context
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def sync_bay_status(self, ctx):
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try:
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LOG.debug('Starting to sync up bay status')
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osc = clients.OpenStackClients(ctx)
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status = [bay_status.CREATE_IN_PROGRESS,
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bay_status.UPDATE_IN_PROGRESS,
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bay_status.DELETE_IN_PROGRESS,
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bay_status.ROLLBACK_IN_PROGRESS]
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filters = {'status': status}
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bays = objects.Bay.list(ctx, filters=filters)
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if not bays:
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return
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sid_to_bay_mapping = {bay.stack_id: bay for bay in bays}
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bay_stack_ids = sid_to_bay_mapping.keys()
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if CONF.periodic_global_stack_list:
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stacks = osc.heat().stacks.list(global_tenant=True,
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filters={'id': bay_stack_ids})
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else:
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ret = self._get_bay_stacks(bays, sid_to_bay_mapping,
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bay_stack_ids)
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[stacks, bays, bay_stack_ids, sid_to_bay_mapping] = ret
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sid_to_stack_mapping = {s.id: s for s in stacks}
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# intersection of bays magnum has and heat has
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for sid in (six.viewkeys(sid_to_bay_mapping) &
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six.viewkeys(sid_to_stack_mapping)):
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stack = sid_to_stack_mapping[sid]
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bay = sid_to_bay_mapping[sid]
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self._sync_existing_bay(bay, stack)
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# the stacks that magnum has but heat doesn't have
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for sid in (six.viewkeys(sid_to_bay_mapping) -
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six.viewkeys(sid_to_stack_mapping)):
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bay = sid_to_bay_mapping[sid]
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self._sync_missing_heat_stack(bay)
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except Exception as e:
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LOG.warning(_LW(
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"Ignore error [%s] when syncing up bay status."
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), e, exc_info=True)
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def _get_bay_stacks(self, bays, sid_to_bay_mapping, bay_stack_ids):
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stacks = []
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_bays = bays
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_sid_to_bay_mapping = sid_to_bay_mapping
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_bay_stack_ids = bay_stack_ids
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for bay in _bays:
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try:
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# Create client with bay's trustee user context
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bosc = clients.OpenStackClients(
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context.make_bay_context(bay))
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stack = bosc.heat().stacks.get(bay.stack_id)
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stacks.append(stack)
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# No need to do anything in this case
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except heat_exc.HTTPNotFound:
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pass
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except Exception as e:
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# Any other exception means we do not perform any
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# action on this bay in the current sync run, so remove
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# it from all records.
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LOG.warning(_LW("Exception while attempting to retrieve "
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"Heat stack %(stack_id)s for bay %(bay_id)s. "
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"Traceback follows."),
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{'stack_id': bay.stack_id, 'bay_id': bay.id})
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LOG.warning(e)
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_sid_to_bay_mapping.pop(bay.stack_id)
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_bay_stack_ids.remove(bay.stack_id)
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_bays.remove(bay)
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return [stacks, _bays, _bay_stack_ids, _sid_to_bay_mapping]
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def _sync_existing_bay(self, bay, stack):
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if bay.status != stack.stack_status:
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old_status = bay.status
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bay.status = stack.stack_status
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bay.status_reason = stack.stack_status_reason
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bay.save()
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LOG.info(_LI("Sync up bay with id %(id)s from "
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"%(old_status)s to %(status)s."),
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{'id': bay.id, 'old_status': old_status,
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'status': bay.status})
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def _sync_missing_heat_stack(self, bay):
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if bay.status == bay_status.DELETE_IN_PROGRESS:
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self._sync_deleted_stack(bay)
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elif bay.status == bay_status.CREATE_IN_PROGRESS:
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self._sync_missing_stack(bay, bay_status.CREATE_FAILED)
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elif bay.status == bay_status.UPDATE_IN_PROGRESS:
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self._sync_missing_stack(bay, bay_status.UPDATE_FAILED)
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def _sync_deleted_stack(self, bay):
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try:
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bay.destroy()
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except exception.ClusterNotFound:
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LOG.info(_LI('The bay %s has been deleted by others.'), bay.uuid)
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else:
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LOG.info(_LI("Bay with id %(id)s not found in heat "
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"with stack id %(sid)s, with status_reason: "
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"%(reason)s."), {'id': bay.id, 'sid': bay.stack_id,
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'reason': bay.status_reason})
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def _sync_missing_stack(self, bay, new_status):
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bay.status = new_status
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bay.status_reason = _("Stack with id %s not found in "
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"Heat.") % bay.stack_id
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bay.save()
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LOG.info(_LI("Bay with id %(id)s has been set to "
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"%(status)s due to stack with id %(sid)s "
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"not found in Heat."),
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{'id': bay.id, 'status': bay.status,
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'sid': bay.stack_id})
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@periodic_task.periodic_task(run_immediately=True)
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@set_context
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def _send_bay_metrics(self, ctx):
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LOG.debug('Starting to send bay metrics')
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for bay in objects.Bay.list(ctx):
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if bay.status not in [bay_status.CREATE_COMPLETE,
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bay_status.UPDATE_COMPLETE]:
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continue
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monitor = monitors.create_monitor(ctx, bay)
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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(_LW("Skip pulling data from bay %(bay)s due to "
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"error: %(e)s"),
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{'e': e, 'bay': bay.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(_LW("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=bay.user_id,
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project_id=bay.project_id,
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resource_id=bay.uuid)
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LOG.debug("About to send notification: '%s'", message)
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self.notifier.info(ctx, "magnum.bay.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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