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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 => "/var/lib/puppet/state/state.yaml",
:process => "puppetd",
:interval => 30,
}
o = 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]}") { |OPTIONS[:statefile]| }
o.on("-p", "--process=processname", String, "The process to check",
"Default: #{OPTIONS[:process]}") { |OPTIONS[:process]| }
o.on("-i", "--interval=value", Integer,
"Default: #{OPTIONS[:interval]} minutes") { |OPTIONS[:interval]| }
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 @proc or @file
when 0
status = "OK"
exitcode = 0
when 2
status = "CRITICAL"
exitcode = 2
when 3
status = "UNKNOWN"
exitcide = 3
end
puts "PUPPET " + status + ": " + process + ", " + state
exit(exitcode)
end
end
cp = CheckPuppet.new
cp.check_proc
cp.check_state
cp.output_status
|
