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Contents
#! /usr/bin/env ruby
# encoding: UTF-8
#
# check-uptime
#
# DESCRIPTION:
#
# OUTPUT:
# plain text
#
# PLATFORMS:
# Linux
#
# DEPENDENCIES:
# gem: sensu-plugin
#
# USAGE:
# check-uptime.rb --help
#
# NOTES:
# Checks the systems uptime and warns if the system has been rebooted.
# 2017 Juan Moreno Martinez - Add reverse option
# 2017 Jeronimo Jose Diaz Garcia - Compatibility OS X
#
# LICENSE:
# Copyright 2012 Kees Remmelzwaal <kees@fastmail.com>
# Released under the same terms as Sensu (the MIT license); see LICENSE
# for details.
#
require 'sensu-plugin/check/cli'
class CheckUptime < Sensu::Plugin::Check::CLI
option :warn,
short: '-w SEC ',
description: 'Warn threshold in SEC',
proc: proc(&:to_i),
default: 180
option :greater,
short: '-g',
long: '--greater-than',
description: 'This compare uptime > threshold. Default behavior uptime < threshold',
boolean: true,
default: false
def run
os = `uname`.chomp
if os == 'Darwin'
uptime_timestamp = `sysctl kern.boottime | cut -d= -f2 | cut -d" " -f2 | cut -d, -f1`.to_i
uptime_sec = `date +%s`.to_i - uptime_timestamp
elsif os == 'Linux'
uptime_sec = IO.read('/proc/uptime').split[0].to_i
else
unknown "platform: #{os} is not supported, please open an issue with the output of '`uname`'."
end
uptime_date = Time.now - uptime_sec
if config[:greater] && uptime_sec > config[:warn]
message "System boot detected (#{uptime_sec} seconds up), compared using '>'"
warning
elsif uptime_sec < config[:warn] && !config[:greater]
message "System boot detected (#{uptime_sec} seconds up), compared using '<'"
warning
end
message "System booted at #{uptime_date}"
ok
end
end
Version data entries
4 entries across 4 versions & 1 rubygems