diff options
Diffstat (limited to 'nac')
-rwxr-xr-x | nac | 97 |
1 files changed, 97 insertions, 0 deletions
@@ -0,0 +1,97 @@ +#!/usr/bin/env bash + +# +# nagios-acknowledge(1) -- Shortcut to acknowledge problems in Nagios, because +# it's annoying to do with the web interface for large sets of hosts or +# services. +# +# $ nac <host>[/<service>] [optional comment] +# +# Good for for/while loops: +# +# for hostname in hosta hostb hostc; do nac "$hostname" ... ; done +# while read -r hostname; do nac "$hostname" ... ; done < downtime-hostnames +# +# By default, does not send ACKNOWLEDGEMENT notifications. Use -n if you do +# want that. +# +# Author: Tom Ryder <tom@sanctum.geek.nz> +# Copyright: 2014 Sanctum +# + +# Name self +self=nagios-acknowledge + +# Usage printing function +usage() { + printf 'USAGE: %s [-n] <host[/service]> [comment]\n' "$self" +} + +# Default to not notifying +notify=0 + +# Figure out whether we should notify +OPTIND=1 +while getopts 'hn' opt ; do + case "$opt" in + n) + notify=1 + ;; + h) + usage + exit 0 + ;; + '?') + usage >&2 + exit 1 + ;; + esac +done +shift "$((OPTIND-1))" + +# Bail if no arguments left; we need at least the host/service name +if ! (($#)) ; 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=$1 +sticky=1 +notify=$notify +persistent=1 +author=${SUDO_USER:-$USER} +comment=${2:-'no comment given'} +cmdfile=${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//;/,} + +# Write command and print message if it fails; succeed silently +if [[ $service ]] ; then + cmd=$(printf '[%lu] ACKNOWLEDGE_SVC_PROBLEM;%s;%s;%u;%u;%u;%s;%s' \ + "$now" "$host" "$service" \ + "$sticky" "$notify" "$persistent" "$author" "$comment") +else + cmd=$(printf '[%lu] ACKNOWLEDGE_HOST_PROBLEM;%s;%u;%u;%u;%s;%s' \ + "$now" "$host" \ + "$sticky" "$notify" "$persistent" "$author" "$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 + |