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116 lines
3.7 KiB
Bash
116 lines
3.7 KiB
Bash
#!/bin/sh
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#
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# Nagios XI failover for Princeton University
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#
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# Initial version written by:
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# Eric Loyd (eloyd@everwatch.global)
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# EverWatch Global, Inc.
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PATH=/usr/sbin:/sbin:/usr/bin:/bin
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#primary="nagiosxi-p.princeton.edu"
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#secondary="nagiosxi-f.princeton.edu"
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backupDir="/store/backups/nagiosxi"
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force=""
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noping="false"
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primary=""
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secondary=""
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synconly="false"
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syncname="sync"
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extraCmd=""
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hostname=`/bin/hostname`
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. ./colors.sh
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while [ -n "$1" ]; do
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case "$1" in
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-H | --hostname) hostname="$2"; shift 2;;
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-S | --secondary) secondary="$2"; shift 2;;
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-P | --primary) primary="$2"; shift 2;;
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-n | --sync-name) syncname="$2"; shift 2;;
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-s | --sync-only) synconly="true"; shift 1;;
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--force) force="true"; shift 1;;
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--noping) noping="true"; shift 1;;
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*) extraCmd="$extraCmd $1"; shift 1;;
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esac
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done
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[ -z "$hostname" ] && warning "Invalid hostname." && exit 2
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ping_host() {
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$noping && return 0
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/usr/local/nagios/libexec/check_icmp -H $1 >/dev/null 2>&1
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}
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stop_nagios() {
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/home/nagios/bin/nagios_startstop.sh stop
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}
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start_nagios() {
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/home/nagios/bin/nagios_startstop.sh start
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}
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clean_old_copies() {
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verbose "Cleaning up old sync files..." -n
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find ${backupDir} -maxdepth 1 -name sync.\* -mtime +1 -exec rm {} \;
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verbose "Done"
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}
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do_nothing() {
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warning "We are not the primary or secondary. Doing nothing."
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exit 1
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}
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do_primary() {
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verbose "We are the primary. Checking to see if secondary is on the network..."
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ping_host ${secondary}
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[ $? -ne 0 ] && error "Cannot ping ${secondary}. Use --noping to continue wihout ping." && exit
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verbose "Creating package to send to secondary"
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/home/nagios/bin/rsync_xi.sh --prepend ${syncname} --primary "${primary}" --secondary "${secondary}" $extraCmd
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if [ -r "/usr/local/nagiosxi/html/includes/components/custom-includes/css/header-gradient.css.primary" -a -w "/usr/local/nagiosxi/html/includes/components/custom-includes/css/header-gradient.css" ]; then
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verbose "Copying local gradient files"
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cp /usr/local/nagiosxi/html/includes/components/custom-includes/css/header-gradient.css.primary /usr/local/nagiosxi/html/includes/components/custom-includes/css/header-gradient.css
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fi
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}
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do_secondary() {
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verbose "We are the secondary. Checking to see if primary is on the network..."
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ping_host ${primary}
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if [ $? -eq 0 ]; then
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if [ -z $force ]; then
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warning "The primary (${primary}) is on the network. This process will be aborted. Use --force to force it to continue."
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exit 1
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else
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warning "The primary (${primary}) is on the network but --force specified. Proceeding anyway."
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fi
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fi
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verbose "Expanding package from the primary"
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syncfile=$(basename `ls -tr1 ${backupDir}/${syncname}* | tail -1`)
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[ -z "$syncfile" ] && error "No sync file ($syncfile) found." && exit 2
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/home/nagios/bin/rsync_xi.sh --primary "${primary}" --secondary "${secondary}" --file "/store/backups/nagiosxi/$syncfile"
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if [ $? -eq 0 ]; then
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sleep 2
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if [ -r "/usr/local/nagiosxi/html/includes/components/custom-includes/css/header-gradient.css.secondary" -a -w "/usr/local/nagiosxi/html/includes/components/custom-includes/css/header-gradient.css" ]; then
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cp /usr/local/nagiosxi/html/includes/components/custom-includes/css/header-gradient.css.secondary /usr/local/nagiosxi/html/includes/components/custom-includes/css/header-gradient.css
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fi
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chmod 0640 /usr/local/nagiosxi/var/keys/xi.key
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chown nagios:nagios /usr/local/nagiosxi/var/keys/xi.key
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verbose "This is intended to be manually executed when needed, so we assume you want to start Nagios..." -n
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start_nagios
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rm -f ${syncfile}
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verbose "Done."
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fi
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}
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case "$hostname" in
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$primary) do_primary;;
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$secondary) do_secondary;;
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*) do_nothing
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esac
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clean_old_copies
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exit 0
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