OCFS2_DRBD

   1 #!/bin/sh
   2 #
   3 # OCF RA for OCFS2 on DRBD
   4 #
   5 # Copyright (c) 2008,2009 Barton IT-Consulting
   6 # Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Brée
   7 #                    All Rights Reserved.
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of version 2 of the GNU General Public License as
  11 # published by the Free Software Foundation.
  12 #
  13 # This program is distributed in the hope that it would be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  16 #
  17 # Further, this software is distributed without any warranty that it is
  18 # free of the rightful claim of any third person regarding infringement
  19 # or the like.  Any license provided herein, whether implied or
  20 # otherwise, applies only to this software file.  Patent licenses, if
  21 # any, provided herein do not apply to combinations of this program with
  22 # other software, or any other product whatsoever.
  23 #
  24 # You should have received a copy of the GNU General Public License
  25 # along with this program; if not, write the Free Software Foundation,
  26 # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  27 #
  28
  29 # Initialization:
  30 . ${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs
  31
  32 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  33
  34 meta_data() {
  35         cat <<END
  36 <?xml version="1.0"?>
  37 <!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
  38 <resource-agent name="OCFS2_DRBD">
  39 <version>1.5</version>
  40
  41 <longdesc lang="en">
  42 This Resource Agent starts and stops OCFS2 file systems located on DRBD devices.
  43 </longdesc>
  44 <shortdesc lang="en">OCFS2 on DRBD resource agent</shortdesc>
  45
  46 <parameters>
  47 <parameter name="drbd" unique="1">
  48 <longdesc lang="en">ID of the DRBD resource</longdesc>
  49 <shortdesc lang="en">ID of the DRBD resource</shortdesc>
  50 <content type="string" default="" />
  51 </parameter>
  52 <parameter name="drbd_dev" unique="1">
  53 <longdesc lang="en">DRBD device</longdesc>
  54 <shortdesc lang="en">DRBD device</shortdesc>
  55 <content type="string" default="" />
  56 </parameter>
  57 <parameter name="mountpoint" unique="1">
  58 <longdesc lang="en">Mountpoint for OCFS2 filesystem</longdesc>
  59 <shortdesc lang="en">Mountpoint for OCFS2 filesystem</shortdesc>
  60 <content type="string" default="" />
  61 </parameter>
  62 <parameter name="reload_cron" unique="1">
  63 <longdesc lang="en">Reload CRON configuration after mounting OCFS2 filesystem</longdesc>
  64 <shortdesc lang="en">Reload CRON configuration</shortdesc>
  65 <content type="boolean" default="0" />
  66 </parameter>
  67 </parameters>
  68
  69 <actions>
  70 <action name="start" timeout="90" />
  71 <action name="stop" timeout="90" />
  72 <action name="monitor" timeout="20" interval="30" depth="0" start-delay="10" />
  73 <action name="meta-data" timeout="5" />
  74 <action name="verify-all" timeout="30" />
  75 </actions>
  76 </resource-agent>
  77 END
  78 }
  79
  80 # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  81
  82 ClusterFS_usage() {
  83         echo "usage: $0 {start|stop|monitor|validate-all|meta-data}"
  84 }
  85
  86 ClusterFS_start() {
  87         mkdir -p "$OCF_RESKEY_mountpoint"
  88         drbdadm primary "$OCF_RESKEY_drbd"
  89         if [ $? -ne 0 ]; then
  90                 return $OCF_ERR_GENERIC
  91         fi
  92         mount -t ocfs2 "$OCF_RESKEY_drbd_dev" "$OCF_RESKEY_mountpoint"
  93         if [ $? -ne 0 ]; then
  94                 return $OCF_ERR_GENERIC
  95         fi
  96         if [ "$OCF_RESKEY_reload_cron" = "1" ]; then
  97                 [ -d /etc/cron.d ] && touch /etc/cron.d
  98         fi
  99         return $OCF_SUCCESS
 100 }
 101
 102 ClusterFS_stop() {
 103         mount | grep "$OCF_RESKEY_drbd_dev on " >/dev/null
 104         if [ $? -eq 0 ]; then
 105                 umount "$OCF_RESKEY_mountpoint"
 106                 if [ $? -ne 0 ]; then
 107                         # try harder, kill processes on this filesystem
 108                         pids=$(ps ax|awk "{print \$1}"|grep -v PID)
 109                         for p in $pids; do
 110                                 lsof -p $p -n | grep " $OCF_RESKEY_mountpoint" \
 111                                  >/dev/null 2>&1
 112                                 [ $? -eq 0 ] || continue
 113                                 kill $p
 114                         done
 115                         sleep 3
 116                         pids=$(ps ax|awk "{print \$1}"|grep -v PID)
 117                         for p in $pids; do
 118                                 lsof -p $p -n | grep " $OCF_RESKEY_mountpoint" \
 119                                  >/dev/null 2>&1
 120                                 [ $? -eq 0 ] || continue
 121                                 kill -9 $p
 122                         done
 123                         sleep 1
 124                         umount "$OCF_RESKEY_mountpoint"
 125                         if [ $? -ne 0 ]; then
 126                                 return $OCF_ERR_GENERIC
 127                         fi
 128                 fi
 129         fi
 130         drbdadm secondary "$OCF_RESKEY_drbd"
 131         if [ "$OCF_RESKEY_reload_cron" = "1" ]; then
 132                 [ -d /etc/cron.d ] && touch /etc/cron.d
 133         fi
 134         return $OCF_SUCCESS
 135 }
 136
 137 ClusterFS_monitor() {
 138         mount | grep "$OCF_RESKEY_drbd_dev on " >/dev/null
 139         if [ $? -eq 0 ]; then
 140                 return $OCF_SUCCESS
 141         fi
 142         return $OCF_NOT_RUNNING
 143 }
 144
 145 ClusterFS_validate() {
 146         if [ -z "$OCF_RESKEY_drbd" ]; then
 147                 return $OCF_ERR_ARGS
 148         fi
 149         if [ -z "$OCF_RESKEY_drbd_dev" ]; then
 150                 return $OCF_ERR_ARGS
 151         fi
 152         if [ -z "$OCF_RESKEY_mountpoint" ]; then
 153                 return $OCF_ERR_ARGS
 154         fi
 155         return $OCF_SUCCESS
 156 }
 157
 158 case $__OCF_ACTION in
 159         meta-data)
 160                 meta_data
 161                 exit $OCF_SUCCESS
 162                 ;;
 163         start)
 164                 ClusterFS_start
 165                 ;;
 166         stop)
 167                 ClusterFS_stop
 168                 ;;
 169         monitor)
 170                 ClusterFS_monitor
 171                 ;;
 172         validate-all)
 173                 ClusterFS_validate
 174                 ;;
 175         usage|help)
 176                 ClusterFS_usage
 177                 exit $OCF_SUCCESS
 178                 ;;
 179         *)
 180                 ClusterFS_usage
 181                 exit $OCF_ERR_UNIMPLEMENTED
 182                 ;;
 183 esac
 184
 185 rc=$?
 186 ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
 187 exit $rc
 188
 189 # -eof-