64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
# (C) Copyright 2015 Hewlett Packard Enterprise Development Company LP
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import logging
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import psutil
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import re
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import subprocess
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import sys
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import monasca_agent.collector.checks as checks
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import monasca_agent.common.util as util
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log = logging.getLogger(__name__)
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class Load(checks.AgentCheck):
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def __init__(self, name, init_config, agent_config):
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super(Load, self).__init__(name, init_config, agent_config)
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def check(self, instance):
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"""Capture load stats
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"""
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dimensions = self._set_dimensions(None, instance)
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if util.Platform.is_linux():
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try:
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loadAvrgProc = open('/proc/loadavg', 'r')
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uptime = loadAvrgProc.readlines()
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loadAvrgProc.close()
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except Exception:
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log.exception('Cannot extract load using /proc/loadavg')
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return
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uptime = uptime[0] # readlines() provides a list but we want a string
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elif sys.platform in ('darwin', 'sunos5') or sys.platform.startswith("freebsd"):
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# Get output from uptime
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try:
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uptime = subprocess.Popen(['uptime'],
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stdout=subprocess.PIPE,
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close_fds=True).communicate()[0]
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except Exception:
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log.exception('Cannot extract load using uptime')
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return
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# Split out the 3 load average values
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load = [res.replace(',', '.') for res in re.findall(r'([0-9]+[\.,]\d+)', uptime)]
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dimensions = self._set_dimensions(None)
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self.gauge('load.avg_1_min',
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float(load[0]),
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dimensions=dimensions)
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self.gauge('load.avg_5_min',
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float(load[1]),
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dimensions=dimensions)
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self.gauge('load.avg_15_min',
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float(load[2]),
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dimensions=dimensions)
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log.debug('Collected 3 load metrics')
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