87 lines
3.8 KiB
Python
87 lines
3.8 KiB
Python
#
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# Copyright 2012 eNovance <licensing@enovance.com>
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# Copyright 2012 Red Hat, Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import ceilometer
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from ceilometer.compute import pollsters
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from ceilometer.compute.pollsters import util
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from ceilometer.compute.virt import inspector as virt_inspector
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from ceilometer.i18n import _
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from ceilometer.openstack.common import log
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from ceilometer import sample
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LOG = log.getLogger(__name__)
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class CPUPollster(pollsters.BaseComputePollster):
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def get_samples(self, manager, cache, resources):
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for instance in resources:
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LOG.debug(_('checking instance %s'), instance.id)
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try:
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cpu_info = self.inspector.inspect_cpus(instance)
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LOG.debug(_("CPUTIME USAGE: %(instance)s %(time)d"),
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{'instance': instance.__dict__,
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'time': cpu_info.time})
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cpu_num = {'cpu_number': cpu_info.number}
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yield util.make_sample_from_instance(
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instance,
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name='cpu',
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type=sample.TYPE_CUMULATIVE,
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unit='ns',
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volume=cpu_info.time,
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additional_metadata=cpu_num,
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)
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except virt_inspector.InstanceNotFoundException as err:
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# Instance was deleted while getting samples. Ignore it.
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LOG.debug(_('Exception while getting samples %s'), err)
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except ceilometer.NotImplementedError:
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# Selected inspector does not implement this pollster.
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LOG.debug(_('Obtaining CPU time is not implemented for %s'
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), self.inspector.__class__.__name__)
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except Exception as err:
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LOG.exception(_('could not get CPU time for %(id)s: %(e)s'),
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{'id': instance.id, 'e': err})
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class CPUUtilPollster(pollsters.BaseComputePollster):
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def get_samples(self, manager, cache, resources):
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self._inspection_duration = self._record_poll_time()
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for instance in resources:
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LOG.debug(_('Checking CPU util for instance %s'), instance.id)
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try:
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cpu_info = self.inspector.inspect_cpu_util(
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instance, self._inspection_duration)
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LOG.debug(_("CPU UTIL: %(instance)s %(util)d"),
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({'instance': instance.__dict__,
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'util': cpu_info.util}))
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yield util.make_sample_from_instance(
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instance,
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name='cpu_util',
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type=sample.TYPE_GAUGE,
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unit='%',
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volume=cpu_info.util,
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)
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except virt_inspector.InstanceNotFoundException as err:
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# Instance was deleted while getting samples. Ignore it.
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LOG.debug(_('Exception while getting samples %s'), err)
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except ceilometer.NotImplementedError:
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# Selected inspector does not implement this pollster.
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LOG.debug(_('Obtaining CPU Util is not implemented for %s'),
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self.inspector.__class__.__name__)
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except Exception as err:
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LOG.exception(_('Could not get CPU Util for %(id)s: %(e)s'),
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{'id': instance.id, 'e': err})
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