contrib/downtime

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2013 Holger Weiss <holger@weiss.in-berlin.de>
   4 #
   5 # This file is free software; Holger Weiss gives unlimited permission to copy
   6 # and/or distribute it, with or without modifications, as long as this notice is
   7 # preserved.
   8 #
   9 # This program is distributed in the hope that it will be useful, but WITHOUT
  10 # ANY WARRANTY, to the extent permitted by law; without even the implied
  11 # warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 # Note that this script uses non-standard date(1) extensions which aren't
  14 # available on all systems.  GNU date(1) provides them:
  15 #
  16 #       http://www.gnu.org/software/coreutils/
  17
  18 set -e
  19 set -u
  20
  21 send_nsca_args=${SEND_NSCA_ARGS:+$SEND_NSCA_ARGS}
  22
  23 die()
  24 {
  25         echo >&2 "$@"
  26         exit 1
  27 }
  28
  29 usage()
  30 {
  31         die "Usage: $0 [-C <comment>] [-c <config-file>] [-H <host>] [-S <service>]"
  32 }
  33
  34 date -d 'now' '+%s' 2>&1 | grep '^[[:digit:]]*$' >/dev/null \
  35     || die "$0: GNU date(1) or BSD date(1) is required"
  36
  37 while getopts C:c:e:H:hS:s: option
  38 do
  39         case $option in
  40         C)
  41                 comment=$OPTARG
  42                 ;;
  43         c)
  44                 send_nsca_args="${send_nsca_args:+$send_nsca_args }-c $OPTARG"
  45                 ;;
  46         e)
  47                 end=$OPTARG
  48                 ;;
  49         H)
  50                 host=$OPTARG
  51                 ;;
  52         S)
  53                 service=$OPTARG
  54                 ;;
  55         s)
  56                 start=$OPTARG
  57                 ;;
  58         h|\?)
  59                 usage
  60                 ;;
  61         esac
  62 done
  63
  64 shift `expr $OPTIND - 1`
  65 test $# -eq 0 || usage
  66
  67 host=${host:-`hostname -s`}
  68 service=${service:+$service}
  69 start=`date -d ${start:-'now'} '+%s'`
  70 end=`date -d ${end:-'+2 hours'} '+%s'`
  71 author=`getent passwd "$USER" | cut -d: -f5`
  72 comment=${comment:-"Submitted by send_nsca@`hostname -s`"}
  73
  74 if [ -z "$service" ]
  75 then    # Host check.
  76         printf '%b' "SCHEDULE_HOST_DOWNTIME;$host;$start;$end;1;0;0;$author;$comment\n" \
  77             | send_nsca -C $send_nsca_args
  78 else    # Service check.
  79         printf '%b' "SCHEDULE_SVC_DOWNTIME;$host;$service;$start;$end;1;0;0;$author;$comment\n" \
  80             | send_nsca -C $send_nsca_args
  81 fi
  82
  83 # vim:set joinspaces noexpandtab textwidth=80: