doc/heartbeat-ra/L7vsd

   1 #!/bin/sh
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of version 2 of the GNU General Public License as
   5 # published by the Free Software Foundation.
   6 #
   7 # This program is distributed in the hope that it would be useful, but
   8 # WITHOUT ANY WARRANTY; without even the implied warranty of
   9 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  10 #
  11 # Further, this software is distributed without any warranty that it is
  12 # free of the rightful claim of any third person regarding infringement
  13 # or the like.  Any license provided herein, whether implied or
  14 # otherwise, applies only to this software file.  Patent licenses, if
  15 # any, provided herein do not apply to combinations of this program with
  16 # other software, or any other product whatsoever.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write the Free Software Foundation,
  20 # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  21 #
  22
  23 #######################################################################
  24 # Initialization:
  25
  26 . ${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs
  27 #. /usr/lib/ocf/resource.d/heartbeat/.ocf-shellfuncs
  28
  29 #######################################################################
  30
  31 meta_data() {
  32         cat <<END
  33 <?xml version="1.0"?>
  34 <!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
  35 <resource-agent name="L7vsd" version="1.0">
  36 <version>1.0</version>
  37
  38 <longdesc lang="en">
  39 This is a L7vsd Resource Agent.
  40 </longdesc>
  41 <shortdesc lang="en">L7vsd resource agent</shortdesc>
  42
  43 <parameter/>
  44 <parameters/>
  45
  46 <actions>
  47 <action name="start"        timeout="60" />
  48 <action name="stop"         timeout="60" />
  49 <action name="monitor"      timeout="60" interval="10" depth="0" start-delay="0" />
  50 <action name="meta-data"    timeout="5" />
  51 </actions>
  52 </resource-agent>
  53 END
  54 }
  55
  56 #######################################################################
  57
  58 l7vsd_usage() {
  59         cat <<END
  60 usage: $0 {start|stop|monitor|meta-data}
  61
  62 END
  63 }
  64
  65 ###############################
  66 # Resource start Method
  67 ###############################
  68 l7vsd_start() {
  69         ocf_log info "l7vsd is starting ..."
  70         l7vsd_monitor
  71         RET=$?
  72         if [ $RET -eq $OCF_SUCCESS ]; then
  73                 ocf_log info "l7vsd is already running."
  74                 return $OCF_SUCCESS
  75         elif [ $RET -eq $OCF_NOT_RUNNING ]; then
  76                 /etc/init.d/l7vsd start > /dev/null 2>&1
  77                 RET=$?
  78                 if [ $RET -ne 0 ]; then
  79                         MSG="l7vsd start error!"
  80                         outputLog err ${OCF_ERR_GENERIC} $MSG
  81                         return $OCF_ERR_GENERIC
  82                 fi
  83                 l7vsd_status
  84                 if [ $? -eq $OCF_SUCCESS ]; then
  85                         # l7vsd is running
  86                         ocf_log info "l7vsd starts."
  87                         return $OCF_SUCCSESS
  88                 fi
  89         fi
  90         MSG="l7vsd does not work. (ps=$RET) "
  91         outputLog err ${OCF_ERR_GENERIC} ${MSG}
  92         return $OCF_ERR_GENERIC
  93 }
  94
  95 ###############################
  96 # Resource stop Method
  97 ###############################
  98 l7vsd_stop() {
  99         ocf_log info "l7vsd stopping ..."
 100         isRunning;
 101         RET=$?
 102         if [ $RET -eq 0 ]; then
 103                 ocf_log info "l7vsd stopped."
 104                 return $OCF_SUCCESS
 105         fi
 106         /etc/init.d/l7vsd stop > /dev/null 2>&1
 107         count=0
 108         while [ $count -le 10 ]
 109         do
 110                 isRunning;
 111                 RET=$?
 112                 if [ $RET -eq 0 ]; then
 113                         ocf_log info "l7vsd stopped."
 114                         return $OCF_SUCCESS
 115                 fi
 116                 count=`expr $count + 1`
 117                 sleep 1
 118         done
 119         l7vsd_pkill
 120         RET=$?
 121         return $RET
 122 }
 123
 124 ###############################
 125 # Logging Method
 126 ###############################
 127 outputLog(){
 128         MODE=$1
 129         shift
 130         case $MODE in
 131                 info)   RET=$1; shift;
 132                         ocf_log $MODE "[$0 ${__OCF_ACTION}] OK;return=$RET" "$@";;
 133                 err)    RET=$1; shift;
 134                         ocf_log $MODE "[$0 ${__OCF_ACTION}] NG;return=$RET" "$@";;
 135         esac
 136 }
 137
 138 ###############################
 139 # kill process
 140 ###############################
 141 l7vsd_pkill(){
 142         pkill -9 -f "/usr/sbin/l7vsd"
 143         ocf_log info "kill l7vsd process!"
 144         while true
 145         do
 146                 sleep 1
 147                 isRunning;
 148                 RET=$?
 149                 if [ $RET -eq 0 ]; then
 150                      # stop OK
 151                      ocf_log info "l7vsd process stopped!"
 152                      return $OCF_SUCCESS
 153                 fi
 154         done
 155 }
 156
 157 ###############################
 158 # Resource Running Check Method
 159 ###############################
 160 isRunning(){
 161         RET=0
 162         RET=`ps -ef | grep /usr/sbin/l7vsd | grep -v grep | wc -l`
 163         return $RET
 164 }
 165
 166 ###############################
 167 # Get Resource Status Method
 168 ###############################
 169 l7vsd_status(){
 170         /etc/init.d/l7vsd status > /dev/null 2>&1
 171         RET=$?
 172         if [ $RET -eq 0 ]; then
 173                 return $OCF_SUCCESS
 174         else
 175                 MSG="l7vsd status ERROR!: $RET"
 176                 outputLog err ${OCF_ERR_GENERIC} ${MSG}
 177                 return $OCF_ERR_GENERIC
 178         fi
 179 }
 180
 181 ###############################
 182 # Get Resource Monitor Method
 183 ###############################
 184 l7vsd_monitor() {
 185         isRunning;
 186         RET=$?
 187         if [ $RET -eq 1 ]; then
 188                 # l7vsd is running
 189                 l7vsd_status
 190                 if [ $? -eq $OCF_SUCCESS ]; then
 191                         # status OK
 192                         return $OCF_SUCCESS
 193                 else
 194                         break
 195                 fi
 196         elif [ $RET -eq 0 ]; then
 197                 MSG="l7vsd is not running."
 198                 outputLog err ${OCF_NOT_RUNNING} ${MSG}
 199                 return $OCF_NOT_RUNNING
 200         fi
 201         MSG="l7vsd does not work. (ps=$RET) "
 202         outputLog err ${OCF_ERR_GENERIC} ${MSG}
 203         return $OCF_ERR_GENERIC
 204 }
 205
 206 case $__OCF_ACTION in
 207 meta-data)      meta_data
 208                 exit $OCF_SUCCESS ;;
 209 start)          l7vsd_start;;
 210 stop)           l7vsd_stop;;
 211 monitor)        l7vsd_monitor;;
 212 usage|help)     l7vsd_usage
 213                 exit $OCF_SUCCESS
 214                 ;;
 215 *)              l7vsd_usage
 216                 exit $OCF_ERR_UNIMPLEMENTED
 217
 218                 ;;
 219 esac
 220 rc=$?
 221 ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
 222 exit $rc