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# ClusterMon OCF RA. Does nothing but wait a few seconds, can be
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# configured to fail occassionally.
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# Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Br�e
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of version 2 of the GNU General Public License as
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# published by the Free Software Foundation.
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# This program is distributed in the hope that it would be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# Further, this software is distributed without any warranty that it is
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# free of the rightful claim of any third person regarding infringement
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# or the like. Any license provided herein, whether implied or
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# otherwise, applies only to this software file. Patent licenses, if
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# any, provided herein do not apply to combinations of this program with
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# other software, or any other product whatsoever.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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# OCF instance parameters:
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# OCF_RESKEY_extra_options
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#######################################################################
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. ${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs
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#######################################################################
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<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
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<resource-agent name="ClusterMon">
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<version>1.0</version>
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This is a ClusterMon Resource Agent.
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It outputs current cluster status to the html.
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<shortdesc lang="en">ClusterMon resource agent</shortdesc>
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<parameter name="user" unique="0">
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The user we want to run crm_mon as
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<shortdesc lang="en">The user we want to run crm_mon as</shortdesc>
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<content type="string" default="root" />
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<parameter name="update" unique="0">
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How frequently should we update the cluster status
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<shortdesc lang="en">Update interval</shortdesc>
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<content type="integer" default="15" />
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<parameter name="extra_options" unique="0">
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Additional options to pass to crm_mon. Eg. -n -r
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<shortdesc lang="en">Extra options</shortdesc>
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<content type="string" default="" />
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<parameter name="pidfile" unique="1">
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PID file location to ensure only one instance is running
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<shortdesc lang="en">PID file</shortdesc>
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<content type="string" default="/tmp/ClusterMon_${OCF_RESOURCE_INSTANCE}.pid" />
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<parameter name="htmlfile" unique="1" required="1">
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Location to write HTML output to.
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<shortdesc lang="en">HTML output</shortdesc>
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<content type="string" default="/tmp/ClusterMon_${OCF_RESOURCE_INSTANCE}.html" />
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<action name="start" timeout="90" />
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<action name="stop" timeout="100" />
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<action name="monitor" depth="0" timeout="20" interval="10" start-delay="0" />
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<action name="meta-data" timeout="5" />
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<action name="validate-all" timeout="30" />
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#######################################################################
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usage: $0 {start|stop|monitor|validate-all|meta-data}
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Expects to have a fully populated OCF RA-compliant environment set.
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exit $OCF_ERR_GENERIC
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if [ ! -z $OCF_RESKEY_user ]; then
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su - $OCF_RESKEY_user -c "${HA_SBIN_DIR}/crm_mon -p $OCF_RESKEY_pidfile -d -i $OCF_RESKEY_update $OCF_RESKEY_extra_options -h $OCF_RESKEY_htmlfile"
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${HA_SBIN_DIR}/crm_mon -p $OCF_RESKEY_pidfile -d -i $OCF_RESKEY_update $OCF_RESKEY_extra_options -h $OCF_RESKEY_htmlfile
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if [ -f $OCF_RESKEY_pidfile ]; then
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pid=`cat $OCF_RESKEY_pidfile`
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if [ ! -z $pid ]; then
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rm $OCF_RESKEY_pidfile
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ClusterMon_monitor() {
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if [ -f $OCF_RESKEY_pidfile ]; then
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pid=`cat $OCF_RESKEY_pidfile`
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if [ ! -z $pid ]; then
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exit $OCF_NOT_RUNNING
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while getopts Vi:nrh:cdp: OPTION
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i) ocf_log warn "You should not have specified the -i option, since OCF_RESKEY_update is set already!";;
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h) ocf_log warn "You should not have specified the -h option, since OCF_RESKEY_htmlfile is set already!";;
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p) ocf_log warn "You should not have specified the -p option, since OCF_RESKEY_pidfile is set already!";;
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*) return $OCF_ERR_ARGS;;
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if [ $? -ne 0 ]; then
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# We should have eaten all options at this stage
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shift $(($OPTIND -1))
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if [ $# -gt 0 ]; then
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ClusterMon_validate() {
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# Existence of the user
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if [ ! -z $OCF_RESKEY_user ]; then
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getent passwd "$OCF_RESKEY_user" >/dev/null
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if [ $? -eq 0 ]; then
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: Yes, user exists. We can further check his permission on crm_mon if necessary
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ocf_log err "The user $OCF_RESKEY_user does not exist!"
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# Pidfile better be an absolute path
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case $OCF_RESKEY_pidfile in
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*) ocf_log warn "You should have pidfile($OCF_RESKEY_pidfile) of absolute path!" ;;
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# Check the update interval
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if ocf_is_decimal "$OCF_RESKEY_update" && [ $OCF_RESKEY_update -gt 0 ]; then
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ocf_log err "Invalid update interval $OCF_RESKEY_update. It should be positive integer!"
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if CheckOptions $OCF_RESKEY_extra_options; then
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ocf_log err "Invalid options $OCF_RESKEY_extra_options!"
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# Htmlfile better be an absolute path
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case $OCF_RESKEY_htmlfile in
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*) ocf_log warn "You should have htmlfile($OCF_RESKEY_htmlfile) of absolute path!" ;;
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if [ $# -ne 1 ]; then
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: ${OCF_RESKEY_update:="15000"}
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: ${OCF_RESKEY_pidfile:="/tmp/ClusterMon_${OCF_RESOURCE_INSTANCE}.pid"}
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: ${OCF_RESKEY_htmlfile:="/tmp/ClusterMon_${OCF_RESOURCE_INSTANCE}.html"}
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OCF_RESKEY_update=`expr $OCF_RESKEY_update / 1000`
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case $__OCF_ACTION in
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start) ClusterMon_start
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stop) ClusterMon_stop
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monitor) ClusterMon_monitor
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validate-all) ClusterMon_validate
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usage|help) ClusterMon_usage
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exit $OCF_ERR_UNIMPLEMENTED
added
removed
resources/OCF/ClusterMon
