Added resource agent for OMD (Open Monitoring Distribution))

heartbeat/OMD

@@ -0,0 +1,184 @@
+#!/bin/sh
+#
+#	    OMD (Open Monitoring Distribution) OCF RA. 
+#             Checks the status of a given OMD site.
+# 
+#        - Use in a Pacemaker/DRBD environment for OMD -
+#      for more information see http://blog.simon-meggle.de
+#               Copyright 2011 (C) by Simon Meggle            
+# 			 
+#
+# 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.
+#
+
+#######################################################################
+# Initialization:
+
+. ${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs
+
+# OMD binary
+OMD=`which omd`
+
+# If only your active Node runs OMD sites, change OMDDATA directly to the 
+# mount point /mnt/omddata. This ensures that DRBD is mounted before trying 
+# to start any clustered OMD site. 
+# Otherwise, if your cluster should also run a OMD site on the inactive node to 
+# monitor OMD sites on the active node, you need OMDDATA set to /opt/omd. Symlinks 
+# within this directory will point to another directory. 
+OMDDATA='/opt/omd'
+#OMDDATA='/mnt/omddata'
+
+#######################################################################
+
+meta_data() {
+	cat <<END
+<?xml version="1.0"?>
+<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
+<resource-agent name="OMD" version="0.1">
+<version>0.1</version>
+
+<longdesc lang="en">
+This is a Resource Agent for managing OMD (Open Monitoring Distribution, www.omdistro.org) sites.
+</longdesc>
+<shortdesc lang="en">OMD resource agent</shortdesc>
+
+<parameters>
+
+<parameter name="site" unique="1" required="1">
+<longdesc lang="en">
+Name of the OMD site to check.
+</longdesc>
+<shortdesc lang="en">
+OMD Site name
+</shortdesc>
+<content type="string" />
+</parameter>
+
+</parameters>
+
+<actions>
+<action name="start"        timeout="30" />
+<action name="stop"         timeout="30" />
+<action name="monitor"      timeout="10" interval="10" depth="0" start-delay="0" />
+<action name="reload"       timeout="15" />
+<action name="meta-data"    timeout="5" />
+<action name="validate-all"   timeout="5" />
+</actions>
+</resource-agent>
+END
+}
+
+#######################################################################
+
+# don't exit on TERM, to test that lrmd makes sure that we do exit
+trap sigterm_handler TERM
+sigterm_handler() {
+	ocf_log info "They use TERM to bring us down. No such luck."
+	return
+}
+
+omd_usage() {
+	cat <<END
+usage: $0 {start|stop|monitor|validate-all|meta-data}
+
+Expects to have a fully populated OCF RA-compliant environment set.
+END
+}
+
+omd_start() {
+    omd_monitor
+    if [ $? =  $OCF_SUCCESS ]; then
+	return $OCF_SUCCESS
+    fi
+    ocf_log info "Starting OMD site ${OCF_RESKEY_site}..."
+    $OMD start $OCF_RESKEY_site
+}
+
+omd_stop() {
+    omd_monitor
+    ocf_log info "Stopping OMD site ${OCF_RESKEY_site}..."
+    $OMD stop $OCF_RESKEY_site
+    return $OCF_SUCCESS
+}
+
+omd_monitor() {
+# Precondition: check if OMD directories are present (/opt/omd). 
+# Otherwise, OMD would never run.
+
+if [ ! -d "${OMDDATA}/apache" ] || [ ! -d "$OMDDATA/sites" ] || [ ! -d "${OMDDATA}/versions" ] ; then
+   ocf_log err "${OMDDATA} is not mounted on this node / OMD is not running."
+   return ${OCF_NOT_RUNNING}
+else
+   if [ ! -f ${OMD} ] ; then
+      ocf_log err "Cannot find OMD binary ${OMD}!"
+	    return ${OCF_ERR_GENERIC}
+   else
+      STATE=`${OMD} status ${OCF_RESKEY_site} | grep "Overall state"`
+      case ${STATE} in 
+	"Overall state:  running")  ocf_log debug "OMD site ${OCF_RESKEY_site} is running properly."
+				return ${OCF_SUCCESS}
+	;;
+	"Overall state:  stopped")  ocf_log debug "OMD site ${OCF_RESKEY_site} is stopped."
+				return ${OCF_NOT_RUNNING}
+	;;
+	"Overall state:  partially running") ocf_log err "ERROR: OMD site ${OCF_RESKEY_site} is running only partially!"
+				return ${OCF_ERR_GENERIC}
+	;;
+	*)   ocf_log err "ERROR: State of OMD site ${OCF_RESKEY_site} is unknown!"
+				return ${OCF_ERR_GENERIC}
+      esac
+   fi
+fi
+}
+
+omd_validate() {
+    if [ ! -f ${OMD} ] ; then
+       ocf_log err "Cannot find OMD binary ${OMD}!"
+       return ${OCF_ERR_GENERIC}
+    else
+       return $OCF_SUCCESS
+    fi
+}
+
+: ${OCF_RESKEY_CRM_meta_interval=0}
+: ${OCF_RESKEY_CRM_meta_globally_unique:="true"}
+
+case $__OCF_ACTION in
+meta-data)	meta_data
+		exit $OCF_SUCCESS
+		;;
+start)		omd_start;;
+stop)		omd_stop;;
+monitor)	omd_monitor;;
+reload)		ocf_log err "Reloading..."
+	        omd_start
+		;;
+validate-all)	omd_validate;;
+usage|help)	omd_usage
+		exit $OCF_SUCCESS
+		;;
+*)		omd_usage
+		exit $OCF_ERR_UNIMPLEMENTED
+		;;
+esac
+rc=$?
+ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
+exit $rc
+