doc/heartbeat-ra/VIPcheck

   1 #!/bin/sh
   2 #
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of version 2 of the GNU General Public License as
   6 # published by the Free Software Foundation.
   7 #
   8 # This program is distributed in the hope that it would be useful, but
   9 # WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  11 #
  12 # Further, this software is distributed without any warranty that it is
  13 # free of the rightful claim of any third person regarding infringement
  14 # or the like.  Any license provided herein, whether implied or
  15 # otherwise, applies only to this software file.  Patent licenses, if
  16 # any, provided herein do not apply to combinations of this program with
  17 # other software, or any other product whatsoever.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program; if not, write the Free Software Foundation,
  21 # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  22 #
  23
  24 #######################################################################
  25 # Initialization:
  26
  27 . ${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs
  28 #. /usr/lib/ocf/resource.d/heartbeat/.ocf-shellfuncs
  29
  30 #######################################################################
  31
  32 meta_data() {
  33         cat <<END
  34 <?xml version="1.0"?>
  35 <!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
  36 <resource-agent name="VIPcheck" version="0.1">
  37 <version>1.0</version>
  38
  39 <longdesc lang="en">
  40 This is a VIPcheck Resource Agent.
  41 </longdesc>
  42 <shortdesc lang="en">VIPcheck resource agent</shortdesc>
  43
  44 <parameters>
  45 <parameter name="target_ip" unique="1">
  46 <longdesc lang="en">
  47 ping target VIP address.
  48 </longdesc>
  49 <shortdesc lang="en">target ip</shortdesc>
  50 <content type="string" default="" />
  51 </parameter>
  52
  53 <parameter name="count" unique="1">
  54 <longdesc lang="en">
  55 repeat times
  56 </longdesc>
  57 <shortdesc lang="en">repeat times</shortdesc>
  58 <content type="integer" default="1" />
  59 </parameter>
  60
  61 <parameter name="wait" unique="1">
  62 <longdesc lang="en">
  63 wait times
  64 </longdesc>
  65 <shortdesc lang="en">wait times</shortdesc>
  66 <content type="integer" default="10" />
  67 </parameter>
  68
  69 </parameters>
  70
  71 <actions>
  72 <action name="start"        timeout="60" />
  73 <action name="stop"         timeout="60" />
  74 <action name="monitor"      timeout="60" interval="10" depth="0" start-delay="0" />
  75 <action name="meta-data"    timeout="5" />
  76 </actions>
  77 </resource-agent>
  78 END
  79 }
  80
  81 #######################################################################
  82
  83 VIPcheck_usage() {
  84         cat <<END
  85 usage: $0 {start|stop|monitor|meta-data}
  86
  87 Expects to have a fully populated OCF RA-compliant environment set.
  88 END
  89 }
  90
  91 VIPcheck_start() {
  92         VIPcheck_monitor
  93         if [ $? =  $OCF_SUCCESS ]; then
  94                 return $OCF_SUCCESS
  95         fi
  96
  97         ping ${OCF_RESKEY_target_ip} -c ${OCF_RESKEY_count} -w ${OCF_RESKEY_wait} > /dev/null 2>&1
  98         prc=$?
  99         ocf_log debug "target_ip = $OCF_RESKEY_target_ip, count = $OCF_RESKEY_count, wait = $OCF_RESKEY_wait"
 100         ocf_log debug "ping return code = $prc"
 101         if [ $prc = 0 ]; then
 102                 # pingが通った-->ERROR
 103                 return $OCF_ERR_GENERIC
 104         else
 105                 # pingが通らない --> 成功
 106                 touch ${OCF_RESKEY_state}
 107                 return $OCF_SUCCESS
 108         fi
 109 }
 110
 111 VIPcheck_stop() {
 112         VIPcheck_monitor
 113         if [ $? =  $OCF_SUCCESS ]; then
 114                 rm ${OCF_RESKEY_state}
 115         fi
 116         return $OCF_SUCCESS
 117 }
 118
 119 VIPcheck_monitor() {
 120         if [ -f ${OCF_RESKEY_state} ]; then
 121                 return $OCF_SUCCESS
 122         fi
 123         if false ; then
 124                 return $OCF_ERR_GENERIC
 125         fi
 126         return $OCF_NOT_RUNNING
 127 }
 128
 129 : ${OCF_RESKEY_wait=10}
 130 : ${OCF_RESKEY_count=1}
 131 : ${OCF_RESKEY_state=${HA_RSCTMP}/VIPcheck-${OCF_RESOURCE_INSTANCE}.state}
 132
 133 case $__OCF_ACTION in
 134 meta-data)      meta_data
 135                 exit $OCF_SUCCESS
 136                 ;;
 137 start)          VIPcheck_start;;
 138 stop)           VIPcheck_stop;;
 139 monitor)        VIPcheck_monitor;;
 140 usage|help)     VIPcheck_usage
 141                 exit $OCF_SUCCESS
 142                 ;;
 143 *)              VIPcheck_usage
 144                 exit $OCF_ERR_UNIMPLEMENTED
 145                 ;;
 146 esac
 147 rc=$?
 148 ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
 149 exit $rc
 150