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# 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.
from ceilometer.hardware import plugin
from ceilometer.hardware.pollsters import util
from ceilometer import sample
class _Base(plugin.HardwarePollster):
CACHE_KEY = 'system'
class _SystemBase(_Base):
def generate_one_sample(self, host, c_data):
value, metadata, extra = c_data
return util.make_sample_from_host(host,
name=self.IDENTIFIER,
sample_type=self.TYPE,
unit=self.UNIT,
volume=value,
res_metadata=metadata,
extra=extra)
class SystemCpuIdlePollster(_SystemBase):
IDENTIFIER = 'system_stats.cpu.idle'
TYPE = sample.TYPE_GAUGE
UNIT = '%'
class SystemIORawSentPollster(_SystemBase):
IDENTIFIER = 'system_stats.io.outgoing.blocks'
TYPE = sample.TYPE_CUMULATIVE,
UNIT = 'blocks'
class SystemIORawReceivedPollster(_SystemBase):
IDENTIFIER = 'system_stats.io.incoming.blocks'
TYPE = sample.TYPE_CUMULATIVE,
UNIT = 'blocks'
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