check_s3

#!/bin/sh
#
# check_s3
# Nagios plugin to monitor S3 state
#
# Copyright (c) 2011 Alexander Swen <a@swen.nu>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
#
# Example configuration
#
# commands.cfg:
#
# define command {
#  command_name check_s3
#  command_line $USER1$/check_s3 -u $JOB1$ -m $JOB2$
#  }
# 
# s3.cfg:
#
# define service {
#  use generic-service
#  service_description S3 state <url>
#  check_command check_s3!http://production.ioservice.net.s3.amazonaws.com/nagios-s3-uptime-checkfile!6befd8f2ee87d3bc0221eac310eb42e9
#}

# nagios-s3-uptime-checkfile should have the md5sum used as argument as last line
# and can have any comments before that line

while getopts u:m: OPTNAME; do
  case "$OPTNAME" in
  u) URL="$OPTARG" ;;
  m) MD5SUM="$OPTARG" ;;
  esac
done

if [ "$(wget -qO- ${URL}|tail -1)" = "${MD5SUM}" ];then
  echo "OK - STATUS: S3 is up"
  exit 0
else
  echo "CRITICAL - STATUS: S3 has some problem"
  exit 1
fi