components/cluster/resource-agents-openindiana/files/ClusterNotify

   1 #!/bin/bash
   2 #
   3 #
   4 #       ClusterNotify OCF RA.
   5 #       Starts crm_mon in background which logs cluster status as
   6 #       html to the specified file.
   7 #
   8 # Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Bré                   All Rights Reserved.
   9 # Copyright (c) 2012 Grueninger GmbH, Andreas Grueninger                    All Rights Reserved.
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of version 2 of the GNU General Public License as
  12 # published by the Free Software Foundation.
  13 #
  14 # This program is distributed in the hope that it would be useful, but
  15 # WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17 #
  18 # Further, this software is distributed without any warranty that it is
  19 # free of the rightful claim of any third person regarding infringement
  20 # or the like.  Any license provided herein, whether implied or
  21 # otherwise, applies only to this software file.  Patent licenses, if
  22 # any, provided herein do not apply to combinations of this program with
  23 # other software, or any other product whatsoever.
  24 #
  25 # You should have received a copy of the GNU General Public License
  26 # along with this program; if not, write the Free Software Foundation,
  27 # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  28 #
  29 # OCF instance parameters:
  30 #       OCF_RESKEY_user
  31 #       OCF_RESKEY_pidfile
  32 #       OCF_RESKEY_extra_options
  33
  34 ################### Test
  35 # cf-tester -v -n ClusterNotify-1 \
  36 #    -o extra_options="-ls -m 10.50.235.1" -o pidfile=/opt/ha/var/run/test.pid \
  37 #    clusternode/opt/ha/lib/ocf/resource.d/lgl/ClusterNotify
  38 ###################
  39
  40 #######################################################################
  41 # Initialization:
  42 : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs}
  43 . ${OCF_FUNCTIONS}
  44 : ${__OCF_ACTION=$1}
  45
  46 #######################################################################
  47
  48 meta_data() {
  49         cat <<END
  50 <?xml version="1.0"?>
  51 <!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
  52 <resource-agent name="ClusterNotify">
  53 <version>1.0</version>
  54
  55 <longdesc lang="en">
  56 This is a ClusterNotify Resource Agent.
  57 It outputs current cluster status to an SNMP manager or as DBUS events.
  58 </longdesc>
  59 <shortdesc lang="en">Runs corosync-notifyd in the background, recording the cluster status to an SNMP manager or as DBUS events</shortdesc>
  60
  61 <parameters>
  62
  63 <parameter name="user" unique="0">
  64 <longdesc lang="en">
  65 The user we want to run corosync-notifyd as
  66 </longdesc>
  67 <shortdesc lang="en">The user we want to run corosync-notifyd as</shortdesc>
  68 <content type="string" default="root" />
  69 </parameter>
  70
  71 <parameter name="extra_options" unique="0">
  72 <longdesc lang="en">
  73 Additional options to pass to corosync-notifyd.  Eg. -lsm &lt;SNMP manager&gt;
  74 </longdesc>
  75 <shortdesc lang="en">Extra options</shortdesc>
  76 <content type="string" default="" />
  77 </parameter>
  78
  79 <parameter name="pidfile" unique="1">
  80 <longdesc lang="en">
  81 PID file location to ensure only one instance is running
  82 </longdesc>
  83 <shortdesc lang="en">PID file</shortdesc>
  84 <content type="string" default="/tmp/ClusterNotify_${OCF_RESOURCE_INSTANCE}.pid" />
  85 </parameter>
  86
  87 </parameters>
  88
  89 <actions>
  90 <action name="start"   timeout="20" />
  91 <action name="stop"    timeout="20" />
  92 <action name="monitor" depth="0"  timeout="20" interval="10" />
  93 <action name="meta-data"  timeout="5" />
  94 <action name="validate-all"  timeout="30" />
  95 </actions>
  96 </resource-agent>
  97 END
  98 }
  99
 100 #######################################################################
 101
 102 ClusterNotify_usage() {
 103         cat <<END
 104 usage: $0 {start|stop|monitor|validate-all|meta-data}
 105
 106 Expects to have a fully populated OCF RA-compliant environment set.
 107 END
 108 }
 109 ClusterNotify_killAll() {
 110    local pid
 111    pid=`pgrep -f "$1"`
 112    if [ "x$pid" != "x" ]; then
 113       kill -9 $pid
 114    fi
 115    return $OCF_SUCCESS
 116 }
 117
 118 ClusterNotify_getPID() {
 119    local line
 120    local words
 121    ClusterNotify_pid=-1
 122
 123    ocf_log debug "line <- ps -ef -o pid,args|grep \"${ClusterNotify_cmdline}\"|grep -v grep"
 124    line=`ps -ef -o pid,args|grep "${ClusterNotify_cmdline}"|grep -v grep`
 125    if [ "$i{line}x" != "x" ]; then
 126       IFS=" " && words=($line)
 127       if [ "${words[0]}"x != ""x ]; then
 128          ClusterNotify_pid=${words[0]}
 129       fi
 130    fi
 131 }
 132
 133 ClusterNotify_start() {
 134    local cmd_prefix=""
 135    local cmd_suffix=""
 136    if [ ! -z $OCF_RESKEY_user ]; then
 137       su - $OCF_RESKEY_user -c "${ClusterNotify_cmdline}"
 138    else
 139       ${ClusterNotify_cmdline}
 140    fi
 141    ClusterNotify_getPID
 142    if [ $ClusterNotify_pid = -1 ]; then
 143       return $OCF_ERR_GENERIC
 144    else
 145       echo $ClusterNotify_pid>$OCF_RESKEY_pidfile
 146       return $OCF_SUCCESS
 147    fi
 148 }
 149
 150 ClusterNotify_stop() {
 151    local pid
 152    if [ -f $OCF_RESKEY_pidfile ]; then
 153       pid=`cat $OCF_RESKEY_pidfile`
 154       if [ "x$pid" != "x" ]; then
 155           kill -s 9 $pid
 156           rm -f $OCF_RESKEY_pidfile
 157       fi
 158    fi
 159 #   ClusterNotify_killAll
 160    return $OCF_SUCCESS
 161 }
 162
 163 ClusterNotify_monitor() {
 164    local pid
 165    if [ -f $OCF_RESKEY_pidfile ]; then
 166       pid=`cat $OCF_RESKEY_pidfile`
 167       if [ "x$pid" != "x" ]; then
 168          ClusterNotify_getPID
 169          if [ "$ClusterNotify_pid" != "$pid" ]; then
 170             rm -f $OCF_RESKEY_pidfile
 171          fi
 172          kill -s 0 $pid >/dev/null 2>&1; rc=$?
 173          case $rc in
 174             0) return $OCF_SUCCESS;;
 175             1) return $OCF_NOT_RUNNING;;
 176             *) return $OCF_ERR_GENERIC;;
 177          esac
 178       fi
 179    fi
 180    return $OCF_NOT_RUNNING
 181 }
 182
 183 ClusterNotify_validate() {
 184 # Existence of the user
 185     if [ ! -z $OCF_RESKEY_user ]; then
 186       getent passwd "$OCF_RESKEY_user" >/dev/null
 187       if [ $? -eq 0 ]; then
 188           : Yes, user exists. We can further check his permission on crm_mon if necessary
 189       else
 190           ocf_log err "The user $OCF_RESKEY_user does not exist!"
 191           return $OCF_ERR_ARGS
 192       fi
 193     fi
 194
 195 # Pidfile better be an absolute path
 196     case $OCF_RESKEY_pidfile in
 197       /*) ;;
 198       *) ocf_log warn "You should have pidfile($OCF_RESKEY_pidfile) of absolute path!" ;;
 199     esac
 200
 201     echo "Validate OK"
 202     return $OCF_SUCCESS
 203 }
 204
 205 if [ $# -ne 1 ]; then
 206     ClusterNotify_usage
 207     return $OCF_ERR_ARGS
 208 fi
 209
 210 : ${OCF_RESKEY_pidfile:="/tmp/ClusterNotify_${OCF_RESOURCE_INSTANCE}.pid"}
 211
 212 ClusterNotify_pid=0
 213 ClusterNotify_cmdline="${HA_SBIN_DIR}/corosync-notifyd $OCF_RESKEY_extra_options"
 214
 215 case $__OCF_ACTION in
 216    meta-data)   meta_data
 217                             return $OCF_SUCCESS
 218                 ;;
 219    start)       ClusterNotify_start
 220             ;;
 221    stop)        ClusterNotify_stop
 222             ;;
 223    monitor)     ClusterNotify_monitor
 224             ;;
 225    validate-all)  ClusterNotify_validate
 226                   ;;
 227    usage|help)  ClusterNotify_usage
 228                         return $OCF_SUCCESS
 229                 ;;
 230    *)           ClusterNotify_usage
 231                 return $OCF_ERR_UNIMPLEMENTED
 232                         ;;
 233 esac
 234
 235 exit $?
 236
 237
 238
 239