1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
#
# Copyright 2012 eNovance <licensing@enovance.com>
# Copyright 2012 Red Hat, Inc
#
# Author: Julien Danjou <julien@danjou.info>
# Author: Eoghan Glynn <eglynn@redhat.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.
import ceilometer
from ceilometer.compute import plugin
from ceilometer.compute.pollsters import util
from ceilometer.compute.virt import inspector as virt_inspector
from ceilometer.openstack.common.gettextutils import _
from ceilometer.openstack.common import log
from ceilometer import sample
LOG = log.getLogger(__name__)
class CPUPollster(plugin.ComputePollster):
def get_samples(self, manager, cache, resources):
for instance in resources:
LOG.info(_('checking instance %s'), instance.id)
instance_name = util.instance_name(instance)
try:
cpu_info = manager.inspector.inspect_cpus(instance_name)
LOG.info(_("CPUTIME USAGE: %(instance)s %(time)d"),
{'instance': instance.__dict__,
'time': cpu_info.time})
cpu_num = {'cpu_number': cpu_info.number}
yield util.make_sample_from_instance(
instance,
name='cpu',
type=sample.TYPE_CUMULATIVE,
unit='ns',
volume=cpu_info.time,
additional_metadata=cpu_num,
)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug(_('Exception while getting samples %s'), err)
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(_('Obtaining CPU time is not implemented for %s'
), manager.inspector.__class__.__name__)
except Exception as err:
LOG.exception(_('could not get CPU time for %(id)s: %(e)s'),
{'id': instance.id, 'e': err})
class CPUUtilPollster(plugin.ComputePollster):
def get_samples(self, manager, cache, resources):
self._inspection_duration = self._record_poll_time()
for instance in resources:
LOG.debug(_('Checking CPU util for instance %s'), instance.id)
try:
cpu_info = manager.inspector.inspect_cpu_util(
instance, self._inspection_duration)
LOG.debug(_("CPU UTIL: %(instance)s %(util)d"),
({'instance': instance.__dict__,
'util': cpu_info.util}))
yield util.make_sample_from_instance(
instance,
name='cpu_util',
type=sample.TYPE_GAUGE,
unit='%',
volume=cpu_info.util,
)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug(_('Exception while getting samples %s'), err)
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(_('Obtaining CPU Util is not implemented for %s'),
manager.inspector.__class__.__name__)
except Exception as err:
LOG.exception(_('Could not get CPU Util for %(id)s: %(e)s'),
{'id': instance.id, 'e': err})
|
