ceilometer/ceilometer/compute/notifications/cpu.py

138 lines
4.4 KiB
Python

#
# Copyright 2013 Intel
#
# Author: Shuangtai Tian <shuangtai.tian@intel.com>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Converters for producing compute CPU sample messages from notification
events.
"""
from oslo.utils import timeutils
from ceilometer.compute import notifications
from ceilometer.openstack.common.gettextutils import _
from ceilometer.openstack.common import log
from ceilometer import sample
LOG = log.getLogger(__name__)
class ComputeMetricsNotificationBase(notifications.ComputeNotificationBase):
"""Convert compute.metrics.update notifications into Samples."""
event_types = ['compute.metrics.update']
metric = None
sample_type = None
unit = None
@staticmethod
def _get_sample(message, name):
try:
for metric in message['payload']['metrics']:
if name == metric['name']:
info = {'payload': metric,
'event_type': message['event_type'],
'publisher_id': message['publisher_id'],
'resource_id': '%s_%s' % (
message['payload']['host'],
message['payload']['nodename']),
'timestamp': str(timeutils.parse_strtime(
metric['timestamp']))}
return info
except Exception as err:
LOG.warning(_('An error occurred while building %(m)s '
'sample: %(e)s') % {'m': name, 'e': err})
def process_notification(self, message):
info = self._get_sample(message, self.metric)
if info:
yield sample.Sample.from_notification(
name='compute.node.%s' % self.metric,
type=self.sample_type,
unit=self.unit,
volume=(info['payload']['value'] * 100 if self.unit == '%'
else info['payload']['value']),
user_id=None,
project_id=None,
resource_id=info['resource_id'],
message=info)
class CpuFrequency(ComputeMetricsNotificationBase):
"""Handle CPU current frequency message."""
metric = 'cpu.frequency'
sample_type = sample.TYPE_GAUGE
unit = 'MHz'
class CpuUserTime(ComputeMetricsNotificationBase):
"""Handle CPU user mode time message."""
metric = 'cpu.user.time'
sample_type = sample.TYPE_CUMULATIVE
unit = 'ns'
class CpuKernelTime(ComputeMetricsNotificationBase):
"""Handle CPU kernel time message."""
metric = 'cpu.kernel.time'
unit = 'ns'
sample_type = sample.TYPE_CUMULATIVE
class CpuIdleTime(ComputeMetricsNotificationBase):
"""Handle CPU idle time message."""
metric = 'cpu.idle.time'
unit = 'ns'
sample_type = sample.TYPE_CUMULATIVE
class CpuIowaitTime(ComputeMetricsNotificationBase):
"""Handle CPU I/O wait time message."""
metric = 'cpu.iowait.time'
unit = 'ns'
sample_type = sample.TYPE_CUMULATIVE
class CpuKernelPercent(ComputeMetricsNotificationBase):
"""Handle CPU kernel percentage message."""
metric = 'cpu.kernel.percent'
unit = '%'
sample_type = sample.TYPE_GAUGE
class CpuIdlePercent(ComputeMetricsNotificationBase):
"""Handle CPU idle percentage message."""
metric = 'cpu.idle.percent'
unit = '%'
sample_type = sample.TYPE_GAUGE
class CpuUserPercent(ComputeMetricsNotificationBase):
"""Handle CPU user mode percentage message."""
metric = 'cpu.user.percent'
unit = '%'
sample_type = sample.TYPE_GAUGE
class CpuIowaitPercent(ComputeMetricsNotificationBase):
"""Handle CPU I/O wait percentage message."""
metric = 'cpu.iowait.percent'
unit = '%'
sample_type = sample.TYPE_GAUGE
class CpuPercent(ComputeMetricsNotificationBase):
"""Handle generic CPU utilization message."""
metric = 'cpu.percent'
unit = '%'
sample_type = sample.TYPE_GAUGE