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Diffstat (limited to '')
| -rwxr-xr-x | heartbeat/ClusterMon | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/heartbeat/ClusterMon b/heartbeat/ClusterMon new file mode 100755 index 0000000..161e309 --- /dev/null +++ b/heartbeat/ClusterMon @@ -0,0 +1,271 @@ +#!/bin/sh +# +# +# 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-Bree +# 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} +. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs + +# Parameter defaults + +OCF_RESKEY_user_default="root" +OCF_RESKEY_update_default="15000" +OCF_RESKEY_extra_options_default="" +OCF_RESKEY_pidfile_default="${HA_RSCTMP}/ClusterMon_${OCF_RESOURCE_INSTANCE}.pid" +OCF_RESKEY_htmlfile_default="${HA_RSCTMP}/ClusterMon_${OCF_RESOURCE_INSTANCE}.html" + +: ${OCF_RESKEY_user=${OCF_RESKEY_user_default}} +: ${OCF_RESKEY_update=${OCF_RESKEY_update_default}} +: ${OCF_RESKEY_extra_options=${OCF_RESKEY_extra_options_default}} +: ${OCF_RESKEY_pidfile=${OCF_RESKEY_pidfile_default}} +: ${OCF_RESKEY_htmlfile=${OCF_RESKEY_htmlfile_default}} + +####################################################################### + +meta_data() { + cat <<END +<?xml version="1.0"?> +<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd"> +<resource-agent name="ClusterMon" version="1.0"> +<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="${OCF_RESKEY_user_default}" /> +</parameter> + +<parameter name="update" unique="0"> +<longdesc lang="en"> +How frequently should we update the cluster status +</longdesc> +<shortdesc lang="en">Update interval</shortdesc> +<content type="integer" default="${OCF_RESKEY_update_default}" /> +</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="${OCF_RESKEY_extra_options_default}" /> +</parameter> + +<parameter name="pidfile" unique="1"> +<longdesc lang="en"> +PID file location to ensure only one instance is running +</longdesc> +<shortdesc lang="en">PID file</shortdesc> +<content type="string" default="${OCF_RESKEY_pidfile_default}" /> +</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="${OCF_RESKEY_htmlfile_default}" /> +</parameter> +</parameters> + +<actions> +<action name="start" timeout="20s" /> +<action name="stop" timeout="20s" /> +<action name="monitor" depth="0" timeout="20s" interval="10s" /> +<action name="meta-data" timeout="5s" /> +<action name="validate-all" timeout="30s" /> +</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=`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 $? |