Sha256: 86eb8e4f71d7216a30e1efbc1f0cc61deebfe3b1f0b84be628799cf563f46d32
Contents?: true
Size: 1.69 KB
Versions: 7
Compression:
Stored size: 1.69 KB
Contents
#! /usr/bin/env ruby
#
# java-permgen
#
# DESCRIPTION:
# Java PermGen Check
#
# OUTPUT:
# plain text
#
# PLATFORMS:
# Linux
#
# DEPENDENCIES:
# gem: sensu-plugin
#
# USAGE:
# #YELLOW
#
# NOTES:
#
# LICENSE:
# Copyright 2011 Sonian, Inc <chefs@sonian.net>
# Released under the same terms as Sensu (the MIT license); see LICENSE
# for details.
#
require 'sensu-plugin/check/cli'
require 'English'
#
# Check Java
#
class CheckJavaPermGen < Sensu::Plugin::Check::CLI
check_name 'Java PermGen'
option :warn, short: '-w WARNLEVEL', default: '85'
option :crit, short: '-c CRITLEVEL', default: '95'
def run
warn_procs = []
crit_procs = []
java_pids = []
IO.popen('jps -q') do |cmd|
java_pids = cmd.read.split
end
java_pids.each do |java_proc|
pgcmx = nil
pu = nil
IO.popen("jstat -gcpermcapacity #{java_proc} 1 1 2>&1") do |cmd|
pgcmx = cmd.read.split[9]
end
exit_code = $CHILD_STATUS.exitstatus
next if exit_code != 0
IO.popen("jstat -gcold #{java_proc} 1 1 2>&1") do |cmd|
pu = cmd.read.split[9]
end
exit_code = $CHILD_STATUS.exitstatus
next if exit_code != 0
proc_permgen = (pu.to_f / pgcmx.to_f) * 100
warn_procs << java_proc if proc_permgen > config[:warn].to_f
crit_procs << java_proc if proc_permgen > config[:crit].to_f
end
if !crit_procs.empty?
critical "Java processes Over PermGen CRIT threshold of #{config[:crit]}%: #{crit_procs.join(', ')}"
elsif !warn_procs.empty?
warning "Java processes Over PermGen WARN threshold of #{config[:warn]}%: #{warn_procs.join(', ')}"
else
ok 'No Java processes over PermGen thresholds'
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems