mirror of
https://github.com/munin-monitoring/contrib.git
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140 lines
4.6 KiB
Python
Executable File
140 lines
4.6 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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USAGE
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dell_changeme [config] [autoconfig]
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Copy script to two files: dell_fans and dell_temps.
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Example: cat dell_changeme | tee dell_fans > dell_temps
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DESCRIPTION
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A Munin plugin to graph the fan speeds and chassis temperatures of Dell
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hardware. Requires Dell's OpenManage software, specifically omreport. OMSA
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services must be started prior to plugins use. Script expects omreport to
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be in /usr/sbin/, you may need to add a symlink.
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omreport accesses the proc filesystem and as such this plugin must be ran
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as root. Alternatively, you could modify script to use sudoers, or setuid.
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To run script as root add the following lines to munin's plugin-conf.d dir.
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[dell*]
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user root
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group root
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Troubleshooting info: http://www.ryanbowlby.com/infotech/munin-plugin-dell/
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AUTHOR
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Ryan Bowlby <rbowlby83 yahoo>
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LICENSE
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This script is in the public domain, free from copyrights or restrictions.
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"""
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# Magic markers (optional) - used by munin-node-configure:
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#
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#%# family=auto
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#%# capabilities=autoconf
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import sys
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import subprocess as sp
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class Statistics(object):
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"""A base class that runs omreport and prints the filtered results."""
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def __init__(self, command):
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self.command = command.split()
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self.data = sp.Popen(self.command,stdout=sp.PIPE).stdout.readlines()
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self.count = 0
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# Make sure omreport returns at least one sensor block.
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for item in self.data:
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if item.startswith("Probe Name") or item.startswith("Reading"):
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self.count += 1
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if self.count < 2:
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raise ValueError("No output from omreport. Is OMSA running?")
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def print_omreport_results(self):
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"""Prints names and values for each sensor."""
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self.count = 0
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for item in self.data:
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if "Reading" in item:
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# Extract variable length integer.
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self.value = float(item.split(":")[1].split()[0])
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print "%s_%s.value %s" % (self.command[-1], self.count, self.value)
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self.count += 1
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def print_config_dynamic(self):
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"""Prints Munin config data with "label" values from omreport data."""
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self.name = []
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for item in self.data:
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if "Probe Name" in item:
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self.name.append(item.split(":")[1].replace("RPM","").strip())
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for index, item in enumerate(self.name):
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print "%s_%s.label %s" % (self.command[-1], index, item)
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class FanSpeed(Statistics):
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"""A subclass that includes the Munin "config" output."""
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def __init__(self, command):
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Statistics.__init__(self, command)
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def print_config(self):
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print "graph_title Dell Fan Speeds"
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print "graph_args --base 1000 -l 0"
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print "graph_vlabel speed (RPM)"
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print "graph_category sensors"
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print "graph_info This graph shows the speed in RPM of all fans."
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print "graph_period second"
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# Print remaining non-static values.
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self.print_config_dynamic()
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class ChassisTemps(Statistics):
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"""A subclass that includes the Munin "config" output."""
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def __init__(self, command):
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Statistics.__init__(self, command)
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def print_config(self):
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print "graph_title Dell Temperature Readings"
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print "graph_args --base 1000 -l 0"
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print "graph_vlabel Temp in Degrees Celsius"
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print "graph_category sensors"
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print "graph_info This graph shows the temperature for all sensors."
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print "graph_period second"
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# Print remaining non-static values.
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self.print_config_dynamic()
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if __name__ == '__main__':
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try:
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if "fans" in sys.argv[0]:
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cmd = "/usr/sbin/omreport chassis fans"
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omdata = FanSpeed(cmd)
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elif "temps" in sys.argv[0]:
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cmd = "/usr/sbin/omreport chassis temps"
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omdata = ChassisTemps(cmd)
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else:
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print >> sys.stderr, "Change filename to dell_fans or dell_temps."
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sys.exit(1)
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except (OSError, ValueError), e:
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# omreport returns 0 results if OMSA services aren't started.
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print >> sys.stderr, "Error running '%s', %s" % (cmd, e)
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sys.exit(1)
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# Munin populates sys.argv[1] with "" (an empty argument), let's remove it.
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sys.argv = [x for x in sys.argv if x]
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if len(sys.argv) > 1:
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if sys.argv[1].lower() == "autoconf":
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# omreport ran earlier, since we got this far autoconf is good.
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print "true"
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elif sys.argv[1].lower() == "config":
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omdata.print_config()
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else:
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omdata.print_omreport_results()
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