diff options
Diffstat (limited to 'ndt')
| l---------[-rwxr-xr-x] | ndt | 101 |
1 files changed, 1 insertions, 100 deletions
@@ -1,100 +1 @@ -#!/usr/bin/env bash - -# -# nagios-downtime(1) -- Shortcut to scheduling fixed downtime in Nagios, -# because it's annoying to do with the web interface for large sets of hosts -# or services. -# -# $ ndt <host>[/<service>] <start> <end> [optional comment] -# -# Good for for/while loops: -# -# for hostname in hosta hostb hostc; do ndt "$hostname" ... ; done -# while read -r hostname; do ndt "$hostname" ... ; done < downtime-hosts -# -# Assumes date(1) with +%s format and --date option (probably only GNU date). -# -# Author: Tom Ryder <tom@sanctum.geek.nz> -# Copyright: 2014 Sanctum -# - -# Name self -self=nagios-downtime - -# Usage printing function -usage() { - printf 'USAGE: %s <host[/service]> <start> <end> [comment]\n' "$self" -} - -# Process options (just help at the moment) -OPTIND=1 -while getopts 'h' opt ; do - case "$opt" in - h) - usage - exit 0 - ;; - '?') - usage >&2 - exit 1 - ;; - esac -done -shift "$((OPTIND-1))" - -# Bail if too few arguments left; we need at least the hostname, the start date, and the end date -if (($# < 3)) ; then - usage >&2 - exit 1 -fi - -# Define relatively fixed/guaranteed fields for Nagios command; note that the -# comment has a default of 'no comment given' -now=$(date +%s) -spec=$1 -fixed=1 -trigger=0 -duration=0 -author=${SUDO_USER:-$USER} -comment=${4:-'no comment given'} -cmdfile=${NAGCMD_FILE:-/usr/local/nagios/var/rw/nagios.cmd} - -# If a service name is specified after a slash, figure that out -if [[ $spec == */* ]] ; then - host=${spec%/*} - service=${spec##*/} -else - host=$spec - service= -fi - -# Quietly replace semicolons in comment with commas -comment=${comment//;/,} - -# Attempt to parse start and end dates; fail usefully if the call doesn't work -if ! dtstart=$(date +%s --date "$2") ; then - printf '%s: Could not parse start date %s' "$self" "$2" >&2 - exit 1 -fi -if ! dtend=$(date +%s --date "$3") ; then - printf '%s: Could not parse end date %s' "$self" "$3" >&2 - exit 1 -fi - -# Write command and print message if it fails; succeed silently -if [[ $service ]] ; then - cmd=$(printf '[%lu] SCHEDULE_SVC_DOWNTIME;%s;%s;%s;%s;%u;%u;%u;%s;%s' \ - "$now" "$host" "$service" "$dtstart" "$dtend" \ - "$fixed" "$trigger" "$duration" "$author" "$comment") -else - cmd=$(printf '[%lu] SCHEDULE_HOST_DOWNTIME;%s;%s;%s;%u;%u;%u;%s;%s' \ - "$now" "$host" "$dtstart" "$dtend" \ - "$fixed" "$trigger" "$duration" "$author" "$comment") -fi - -# Attempt to write command to file -if ! printf '%s\n' "$cmd" > "$cmdfile" ; then - printf '%s: Failed to write command to file\n' "$self" >&2 - exit 1 -fi - +nagios-downtime
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