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|
#!/usr/bin/env ruby
require 'optparse'
require 'sys/proctable'
include Sys
class CheckPuppet
VERSION = '0.1'
script_name = File.basename($0)
# default options
OPTIONS = {
:statefile => "/opt/puppetlabs/puppet/cache/state/state.yaml",
:process => "puppet",
:interval => 30,
}
OptionParser.new do |o|
o.set_summary_indent(' ')
o.banner = "Usage: #{script_name} [OPTIONS]"
o.define_head "The check_puppet Nagios plug-in checks that specified Puppet process is running and the state file is no older than specified interval."
o.separator ""
o.separator "Mandatory arguments to long options are mandatory for short options too."
o.on(
"-s", "--statefile=statefile", String, "The state file",
"Default: #{OPTIONS[:statefile]}") { |op| OPTIONS[:statefile] = op }
o.on(
"-p", "--process=processname", String, "The process to check",
"Default: #{OPTIONS[:process]}") { |op| OPTIONS[:process] = op }
o.on(
"-i", "--interval=value", Integer,
"Default: #{OPTIONS[:interval]} minutes") { |op| OPTIONS[:interval] = op }
o.separator ""
o.on_tail("-h", "--help", "Show this help message.") do
puts o
exit
end
o.parse!(ARGV)
end
def check_proc
unless ProcTable.ps.find { |p| p.name == OPTIONS[:process]}
@proc = 2
else
@proc = 0
end
end
def check_state
# Set variables
curt = Time.now
intv = OPTIONS[:interval] * 60
# Check file time
begin
@modt = File.mtime("#{OPTIONS[:statefile]}")
rescue
@file = 3
end
diff = (curt - @modt).to_i
if diff > intv
@file = 2
else
@file = 0
end
end
def output_status
case @file
when 0
state = "state file status okay updated on " + @modt.strftime("%m/%d/%Y at %H:%M:%S")
when 2
state = "state fille is not up to date and is older than #{OPTIONS[:interval]} minutes"
when 3
state = "state file status unknown"
end
case @proc
when 0
process = "process #{OPTIONS[:process]} is running"
when 2
process = "process #{OPTIONS[:process]} is not running"
end
case
when (@proc == 2 or @file == 2)
status = "CRITICAL"
exitcode = 2
when (@proc == 0 and @file == 0)
status = "OK"
exitcode = 0
else
status = "UNKNOWN"
exitcode = 3
end
puts "PUPPET #{status}: #{process}, #{state}"
exit(exitcode)
end
end
cp = CheckPuppet.new
cp.check_proc
cp.check_state
cp.output_status
|
