#!/bin/sh### EIO OCF RA. Does nothing but wait a few seconds, can be# configured to fail occassionally.## Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Br�e# All Rights Reserved.## 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:
: ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs}
. ${OCF_FUNCTIONS}
: ${__OCF_ACTION=$1}#######################################################################
meta_data(){
cat <<END<?xml version="1.0"?><!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd"><resource-agent name="eio4" version="1.0"><version>1.0</version><longdesc lang="en">EnhanceIO</longdesc><shortdesc lang="en">EnhanceIO</shortdesc><parameters><parameter name="state" unique="1"><longdesc lang="en">Location to store the resource state in.</longdesc><shortdesc lang="en">State file</shortdesc><content type="string" default="${HA_VARRUN}/EIO-{OCF_RESOURCE_INSTANCE}.state" /></parameter><parameter name="passwd" unique="1"><longdesc lang="en">Fake password field</longdesc><shortdesc lang="en">Password</shortdesc><content type="string" default="" /></parameter><parameter name="fake" unique="0"><longdesc lang="en">Fake attribute that can be changed to cause a reload</longdesc><shortdesc lang="en">Fake attribute that can be changed to cause a reload</shortdesc><content type="string" default="eio" /></parameter><parameter name="op_sleep" unique="1"><longdesc lang="en">Number of seconds to sleep during operations. This can be used to test howthe cluster reacts to operation timeouts.</longdesc><shortdesc lang="en">Operation sleep duration in seconds.</shortdesc><content type="string" default="0" /></parameter></parameters><actions><action name="start" timeout="20" /><action name="stop" timeout="1800" /><action name="monitor" timeout="20" interval="10" depth="0"/><action name="reload" timeout="20" /><action name="migrate_to" timeout="20" /><action name="migrate_from" timeout="20" /><action name="validate-all" timeout="20" /><action name="meta-data" timeout="5" /></actions></resource-agent>END}######################################################################## don't exit on TERM, to test that lrmd makes sure that we do exittrap sigterm_handler TERM
sigterm_handler(){
ocf_log info "They use TERM to bring us down. No such luck."return}
eio_usage(){
cat <<ENDusage: $0 {start|stop|monitor|migrate_to|migrate_from|validate-all|meta-data}Expects to have a fully populated OCF RA-compliant environment set.END}
eio_start(){
/usr/local/bin/eio_drbd.sh start
touch ${OCF_RESKEY_state}return$OCF_SUCCESS}
eio_stop(){
/usr/local/bin/eio_drbd.sh stop
rm ${OCF_RESKEY_state}return$OCF_SUCCESS}
eio_monitor(){# Monitor _MUST!_ differentiate correctly between running# (SUCCESS), failed (ERROR) or _cleanly_ stopped (NOT RUNNING).# That is THREE states, not just yes/no.if["$OCF_RESKEY_op_sleep" -ne "0"];thenif[ -f ${VERIFY_SERIALIZED_FILE}];then# two monitor ops have occurred at the same time.# this is to verify a condition in the lrmd regression tests.
ocf_log err "$VERIFY_SERIALIZED_FILE exists already"return$OCF_ERR_GENERICfi
touch ${VERIFY_SERIALIZED_FILE}
sleep ${OCF_RESKEY_op_sleep}
rm ${VERIFY_SERIALIZED_FILE}fiif[ -f ${OCF_RESKEY_state}];thenreturn$OCF_SUCCESSfiiffalse;thenreturn$OCF_ERR_GENERICfireturn$OCF_NOT_RUNNING}
eio_validate(){# Is the state directory writable? state_dir=`dirname "$OCF_RESKEY_state"`
touch "$state_dir/$$"if[$? !=0];thenreturn$OCF_ERR_ARGSfi
rm "$state_dir/$$"return$OCF_SUCCESS}
: ${OCF_RESKEY_fake=eio}
: ${OCF_RESKEY_op_sleep=0}
: ${OCF_RESKEY_CRM_meta_interval=0}
: ${OCF_RESKEY_CRM_meta_globally_unique:="true"}if["x$OCF_RESKEY_state"="x"];thenif[${OCF_RESKEY_CRM_meta_globally_unique}="false"];thenstate="${HA_VARRUN}/EIO-${OCF_RESOURCE_INSTANCE}.state"# Strip off the trailing clone markerOCF_RESKEY_state=`echo$state| sed s/:[0-9][0-9]*\.state/.state/`elseOCF_RESKEY_state="${HA_VARRUN}/EIO-${OCF_RESOURCE_INSTANCE}.state"fifiVERIFY_SERIALIZED_FILE="${OCF_RESKEY_state}.serialized"case$__OCF_ACTIONin
meta-data) meta_data
exit$OCF_SUCCESS;;
start) eio_start;;
stop) eio_stop;;
monitor) eio_monitor;;
migrate_to) ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} to ${OCF_RESKEY_CRM_meta_migrate_target}."
eio_stop
;;
migrate_from) ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} to ${OCF_RESKEY_CRM_meta_migrate_source}."
eio_start
;;
reload) ocf_log err "Reloading..."
eio_start
;;
validate-all) eio_validate;;
usage|help) eio_usage
exit$OCF_SUCCESS;;
*) eio_usage
exit$OCF_ERR_UNIMPLEMENTED;;esacrc=$?
ocf_log debug "${OCF_RESOURCE_INSTANCE}$__OCF_ACTION : $rc"exit$rc#!/bin/bash## chkconfig: 35 90 12# description: Foo server## Get function from functions library
. /etc/init.d/functions
# Start the service FOO
start(){
initlog -c "echo -n Starting EIO for samba_cache: "#/bin/cp -rf /opt/94/* /etc/udev/rules.d/
sleep 2s
eio_cli enable -d /dev/vgdrbd11/lvdrbd_samba -s /dev/vgdrbd10/lvdrbd_cache -p lru -m wb -c samba_cache
#eio_cli create -d /dev/vgdrbd11/lvdrbd_samba -s /dev/vgdrbd10/lvdrbd_cache -p lru -m wb -c samba_cache### Create the lock file ###
touch /var/lock/subsys/eio_samba_cache
success $"Cache samba_cache started"echo}# Restart the service FOO
stop(){
initlog -c "echo -n Stopping EIO for samba_cache: "
eio_cli edit -c samba_cache -m ro
grep "nr_dirty 0" /proc/enhanceio/samba_cache/stats
while[$? -ne 0];do
grep "nr_dirty 0" /proc/enhanceio/samba_cache/stats
done
eio_cli delete -c samba_cache
### Now, delete the lock file ###
rm -f /var/lock/subsys/eio_samba_cache
echo}### main logic ###case"$1"in
start)
start
;;
stop)
stop
;;
status)
status FOO
;;
restart|reload|condrestart)
stop
start
;;
*)echo $"Usage: $0 {start|stop|restart|reload|status}"exit1esacexit0