/usr/lib/ocf/resource.d/heartbeat/ClusterMon is in resource-agents 1:3.9.2-5ubuntu4.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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#
#
# ClusterMon OCF RA.
# Starts crm_mon in background which logs cluster status as
# html to the specified file.
#
# Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Brée
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like. Any license provided herein, whether implied or
# otherwise, applies only to this software file. Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#
# OCF instance parameters:
# OCF_RESKEY_user
# OCF_RESKEY_pidfile
# OCF_RESKEY_update
# OCF_RESKEY_extra_options
# OCF_RESKEY_htmlfile
#######################################################################
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
#######################################################################
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="ClusterMon">
<version>1.0</version>
<longdesc lang="en">
This is a ClusterMon Resource Agent.
It outputs current cluster status to the html.
</longdesc>
<shortdesc lang="en">Runs crm_mon in the background, recording the cluster status to an HTML file</shortdesc>
<parameters>
<parameter name="user" unique="0">
<longdesc lang="en">
The user we want to run crm_mon as
</longdesc>
<shortdesc lang="en">The user we want to run crm_mon as</shortdesc>
<content type="string" default="root" />
</parameter>
<parameter name="update" unique="0">
<longdesc lang="en">
How frequently should we update the cluster status
</longdesc>
<shortdesc lang="en">Update interval</shortdesc>
<content type="integer" default="15" />
</parameter>
<parameter name="extra_options" unique="0">
<longdesc lang="en">
Additional options to pass to crm_mon. Eg. -n -r
</longdesc>
<shortdesc lang="en">Extra options</shortdesc>
<content type="string" default="" />
</parameter>
<parameter name="pidfile" unique="1">
<longdesc lang="en">
PID file location to ensure only one instance is running
</longdesc>
<shortdesc lang="en">PID file</shortdesc>
<content type="string" default="/tmp/ClusterMon_${OCF_RESOURCE_INSTANCE}.pid" />
</parameter>
<parameter name="htmlfile" unique="1" required="0">
<longdesc lang="en">
Location to write HTML output to.
</longdesc>
<shortdesc lang="en">HTML output</shortdesc>
<content type="string" default="/tmp/ClusterMon_${OCF_RESOURCE_INSTANCE}.html" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="20" />
<action name="stop" timeout="20" />
<action name="monitor" depth="0" timeout="20" interval="10" />
<action name="meta-data" timeout="5" />
<action name="validate-all" timeout="30" />
</actions>
</resource-agent>
END
}
#######################################################################
ClusterMon_usage() {
cat <<END
usage: $0 {start|stop|monitor|validate-all|meta-data}
Expects to have a fully populated OCF RA-compliant environment set.
END
}
ClusterMon_exit() {
if [ $1 != 0 ]; then
exit $OCF_ERR_GENERIC
else
exit $OCF_SUCCESS
fi
}
ClusterMon_start() {
cmd_prefix=""
cmd_suffix=""
if [ ! -z $OCF_RESKEY_user ]; then
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"
else
${HA_SBIN_DIR}/crm_mon -p $OCF_RESKEY_pidfile -d -i $OCF_RESKEY_update $OCF_RESKEY_extra_options -h $OCF_RESKEY_htmlfile
fi
ClusterMon_exit $?
}
ClusterMon_stop() {
if [ -f $OCF_RESKEY_pidfile ]; then
pid=`cat $OCF_RESKEY_pidfile`
if [ ! -z $pid ]; then
kill -s 9 $pid
rm -f $OCF_RESKEY_pidfile
fi
fi
ClusterMon_exit 0
}
ClusterMon_monitor() {
if [ -f $OCF_RESKEY_pidfile ]; then
pid=`cat $OCF_RESKEY_pidfile`
[ "$pid" ] && kill -s 0 $pid &&
exit $OCF_SUCCESS
fi
exit $OCF_NOT_RUNNING
}
CheckOptions() {
while getopts Vi:nrh:cdp: OPTION
do
case $OPTION in
V|n|r|c|d);;
i) ocf_log warn "You should not have specified the -i option, since OCF_RESKEY_update is set already!";;
h) ocf_log warn "You should not have specified the -h option, since OCF_RESKEY_htmlfile is set already!";;
p) ocf_log warn "You should not have specified the -p option, since OCF_RESKEY_pidfile is set already!";;
*) return $OCF_ERR_ARGS;;
esac
done
if [ $? -ne 0 ]; then
return $OCF_ERR_ARGS
fi
# We should have eaten all options at this stage
shift $(($OPTIND -1))
if [ $# -gt 0 ]; then
false
else
true
fi
}
ClusterMon_validate() {
# Existence of the user
if [ ! -z $OCF_RESKEY_user ]; then
getent passwd "$OCF_RESKEY_user" >/dev/null
if [ $? -eq 0 ]; then
: Yes, user exists. We can further check his permission on crm_mon if necessary
else
ocf_log err "The user $OCF_RESKEY_user does not exist!"
exit $OCF_ERR_ARGS
fi
fi
# Pidfile better be an absolute path
case $OCF_RESKEY_pidfile in
/*) ;;
*) ocf_log warn "You should have pidfile($OCF_RESKEY_pidfile) of absolute path!" ;;
esac
# Check the update interval
if ocf_is_decimal "$OCF_RESKEY_update" && [ $OCF_RESKEY_update -gt 0 ]; then
:
else
ocf_log err "Invalid update interval $OCF_RESKEY_update. It should be positive integer!"
exit $OCF_ERR_ARGS
fi
if CheckOptions $OCF_RESKEY_extra_options; then
:
else
ocf_log err "Invalid options $OCF_RESKEY_extra_options!"
exit $OCF_ERR_ARGS
fi
# Htmlfile better be an absolute path
case $OCF_RESKEY_htmlfile in
/*) ;;
*) ocf_log warn "You should have htmlfile($OCF_RESKEY_htmlfile) of absolute path!" ;;
esac
echo "Validate OK"
return $OCF_SUCCESS
}
if [ $# -ne 1 ]; then
ClusterMon_usage
exit $OCF_ERR_ARGS
fi
: ${OCF_RESKEY_update:="15000"}
: ${OCF_RESKEY_pidfile:="/tmp/ClusterMon_${OCF_RESOURCE_INSTANCE}.pid"}
: ${OCF_RESKEY_htmlfile:="/tmp/ClusterMon_${OCF_RESOURCE_INSTANCE}.html"}
OCF_RESKEY_update=`expr $OCF_RESKEY_update / 1000`
case $__OCF_ACTION in
meta-data) meta_data
exit $OCF_SUCCESS
;;
start) ClusterMon_start
;;
stop) ClusterMon_stop
;;
monitor) ClusterMon_monitor
;;
validate-all) ClusterMon_validate
;;
usage|help) ClusterMon_usage
exit $OCF_SUCCESS
;;
*) ClusterMon_usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
exit $?
|