136 lines
4.3 KiB
Python
136 lines
4.3 KiB
Python
#
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# Copyright 2013 Intel
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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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"""Converters for producing compute CPU sample messages from notification
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events.
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"""
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from oslo_utils import timeutils
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from ceilometer.compute import notifications
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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 ComputeMetricsNotificationBase(notifications.ComputeNotificationBase):
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"""Convert compute.metrics.update notifications into Samples."""
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event_types = ['compute.metrics.update']
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metric = None
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sample_type = None
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unit = None
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@staticmethod
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def _get_sample(message, name):
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try:
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for metric in message['payload']['metrics']:
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if name == metric['name']:
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info = {'payload': metric,
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'event_type': message['event_type'],
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'publisher_id': message['publisher_id'],
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'resource_id': '%s_%s' % (
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message['payload']['host'],
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message['payload']['nodename']),
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'timestamp': str(timeutils.parse_strtime(
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metric['timestamp']))}
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return info
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except Exception as err:
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LOG.warning(_('An error occurred while building %(m)s '
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'sample: %(e)s') % {'m': name, 'e': err})
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def process_notification(self, message):
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info = self._get_sample(message, self.metric)
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if info:
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yield sample.Sample.from_notification(
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name='compute.node.%s' % self.metric,
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type=self.sample_type,
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unit=self.unit,
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volume=(info['payload']['value'] * 100 if self.unit == '%'
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else info['payload']['value']),
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user_id=None,
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project_id=None,
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resource_id=info['resource_id'],
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message=info)
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class CpuFrequency(ComputeMetricsNotificationBase):
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"""Handle CPU current frequency message."""
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metric = 'cpu.frequency'
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sample_type = sample.TYPE_GAUGE
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unit = 'MHz'
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class CpuUserTime(ComputeMetricsNotificationBase):
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"""Handle CPU user mode time message."""
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metric = 'cpu.user.time'
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sample_type = sample.TYPE_CUMULATIVE
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unit = 'ns'
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class CpuKernelTime(ComputeMetricsNotificationBase):
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"""Handle CPU kernel time message."""
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metric = 'cpu.kernel.time'
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unit = 'ns'
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sample_type = sample.TYPE_CUMULATIVE
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class CpuIdleTime(ComputeMetricsNotificationBase):
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"""Handle CPU idle time message."""
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metric = 'cpu.idle.time'
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unit = 'ns'
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sample_type = sample.TYPE_CUMULATIVE
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class CpuIowaitTime(ComputeMetricsNotificationBase):
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"""Handle CPU I/O wait time message."""
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metric = 'cpu.iowait.time'
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unit = 'ns'
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sample_type = sample.TYPE_CUMULATIVE
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class CpuKernelPercent(ComputeMetricsNotificationBase):
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"""Handle CPU kernel percentage message."""
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metric = 'cpu.kernel.percent'
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unit = '%'
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sample_type = sample.TYPE_GAUGE
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class CpuIdlePercent(ComputeMetricsNotificationBase):
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"""Handle CPU idle percentage message."""
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metric = 'cpu.idle.percent'
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unit = '%'
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sample_type = sample.TYPE_GAUGE
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class CpuUserPercent(ComputeMetricsNotificationBase):
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"""Handle CPU user mode percentage message."""
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metric = 'cpu.user.percent'
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unit = '%'
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sample_type = sample.TYPE_GAUGE
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class CpuIowaitPercent(ComputeMetricsNotificationBase):
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"""Handle CPU I/O wait percentage message."""
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metric = 'cpu.iowait.percent'
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unit = '%'
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sample_type = sample.TYPE_GAUGE
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class CpuPercent(ComputeMetricsNotificationBase):
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"""Handle generic CPU utilization message."""
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metric = 'cpu.percent'
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unit = '%'
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sample_type = sample.TYPE_GAUGE
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