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# -*- coding: utf-8 -*- |
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__author__ = 'Kenny Freeman' |
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__email__ = '[email protected]' |
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__license__ = "ISCL" |
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__docformat__ = 'reStructuredText' |
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import os |
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import time |
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import traceback |
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import multiprocessing |
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import plumd |
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import plumd.plugins |
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from plumd.util import get_file |
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class Uptime(plumd.plugins.Reader): |
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"""Plugin to measure various kernel metrics from /proc.""" |
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defaults = { |
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'poll.interval': 10, |
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'proc_path': '/proc' |
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} |
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def __init__(self, log, config): |
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"""Plugin to measure kernel metrics from /proc/uptime. |
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:param log: A logger |
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:type log: logging.RootLogger |
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:param config: a plumd.config.Conf configuration helper instance. |
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:type config: plumd.config.Conf |
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""" |
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super(Uptime, self).__init__(log, config) |
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self.config.defaults(Uptime.defaults) |
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self.proc_file = "{0}/uptime".format(config.get('proc_path')) |
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def poll(self): |
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"""Return uptime from proc file swap. |
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:rtype: plumd.ResultSet |
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""" |
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return plumd.ResultSet(self.check()) |
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def check(self): |
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"""Return uptime from proc file swap. |
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:rtype: list |
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""" |
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result = plumd.Result("uptime") |
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# read and process /proc/stat |
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try: |
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up, idle = get_file(self.proc_file).split() |
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except Exception as e: |
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tb = traceback.format_exc() |
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self.log.error("proc_uptime: exception: {0}: {1}".format(e, tb)) |
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return plumd.ResultSet([]) |
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pidle = float(idle)/float(up) * 100 / multiprocessing.cpu_count() |
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result.add(plumd.Float("up", up)) |
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result.add(plumd.Float("idle", idle)) |
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result.add(plumd.Float("idle_percent", pidle)) |
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return [result] |
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s4z /
plumd
