61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
#!/usr/bin/python
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# Copyright 2015 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import base
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import collectd
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INTERVAL = 60
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class CephOSDStatsPlugin(base.CephBase):
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""" Collect per OSD stats about store size and commit latency."""
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def get_metrics(self):
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pgs = self.execute_to_json('ceph pg dump --format json')
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if not pgs:
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return {}
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metrics = {}
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for osd in pgs['osd_stats']:
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metric = "osd.%s" % osd['osd']
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used = "%s.used" % metric
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metrics[used] = osd['kb_used'] * 1000
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total = "%s.total" % metric
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metrics[total] = osd['kb'] * 1000
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apply_latency = "%s.apply_latency" % metric
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metrics[apply_latency] = osd['fs_perf_stat']['apply_latency_ms']
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commit_latency = "%s.commit_latency" % metric
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metrics[commit_latency] = osd['fs_perf_stat']['commit_latency_ms']
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return metrics
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plugin = CephOSDStatsPlugin()
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def init_callback():
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plugin.restore_sigchld()
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def config_callback(conf):
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plugin.config_callback(conf)
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def read_callback():
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plugin.read_callback()
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collectd.register_init(init_callback)
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collectd.register_config(config_callback)
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collectd.register_read(read_callback, INTERVAL)
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