BDII heartbeat script
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#!/bin/bash
#
#
# Dummy OCF RA. Does nothing but wait a few seconds, can be
# configured to fail occassionally.
#
# Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Br<E9>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:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/resource.d/heartbeat}
. ${OCF_FUNCTIONS_DIR}/.ocf-shellfuncs
prog=bdii
lockfile=/var/lock/subsys/$prog
if [ -r /etc/sysconfig/bdii ] ; then
. /etc/sysconfig/bdii
fi
BDII_CONF=${BDII_CONF:-/etc/bdii/bdii.conf}
if [ -f "${BDII_CONF}" ]; then
. "${BDII_CONF}"
fi
UPDATE_LOCK_FILE=${UPDATE_LOCK_FILE:-/var/lock/subsys/bdii-update}
SLAPD_LOCK_FILE=${SLAPD_LOCK_FILE:-/var/lock/subsys/bdii-slapd}
UPDATE_PID_FILE=${PID_FILE:-/var/run/bdii-update.pid}
BDII_USER=${BDII_USER:-ldap}
BDII_VAR_DIR=${BDII_VAR_DIR:-/var/run/bdii}
BDII_UPDATE=${BDII_UPDATE:-/usr/sbin/bdii-update}
BDII_PROXY=${BDII_PROXY:-/usr/sbin/bdii-proxy}
SLAPD=${SLAPD:-/usr/sbin/slapd}
SLAPD_CONF=${SLAPD_CONF:-/etc/bdii/bdii-slapd.conf}
SLAPD_PORT=${SLAPD_PORT:-2170}
SLAPD_DB_DIR=${SLAPD_DB_DIR:-$BDII_VAR_DIR/db}
SLAPD_PID_FILE=${SLAPD_PID_FILE:-$SLAPD_DB_DIR/slapd.pid}
DB_CONFIG=${DB_CONFIG:-/etc/bdii/DB_CONFIG}
if [ -x /sbin/runuser ] ; then
RUNUSER=runuser
else
RUNUSER=su
fi
#######################################################################
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="BDII" version="0.1">
<version>1.0</version>
<longdesc lang="en">
This is the BDII heartbeat resource agent.
</longdesc>
<shortdesc lang="en">BDII heartbeat resource agent</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_RSCTMP}/bdii-{OCF_RESOURCE_INSTANCE}.state" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="20" />
<action name="stop" timeout="20" />
<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="meta-data" timeout="5" />
<action name="validate-all" timeout="20" />
</actions>
</resource-agent>
END
}
#######################################################################
dummy_usage() {
cat <<END
usage: $0 {start|stop|monitor|migrate_to|migrate_from|validate-all|meta-data}
Expects to have a fully populated OCF RA-compliant environment set.
END
}
dummy_start() {
dummy_monitor
if [ $? = $OCF_SUCCESS ]; then
return $OCF_SUCCESS
fi
touch ${OCF_RESKEY_state}
# kill lingering processes
if [ -f "${SLAPD_PID_FILE}" ]; then
pid=`cat "${SLAPD_PID_FILE}"`
kill -9 $pid >/dev/null 2>&1
rm -f "${SLAPD_LOCK_FILE}" "${SLAPD_PID_FILE}"
fi
if [ -f "${UPDATE_PID_FILE}" ]; then
pid=`cat "${UPDATE_PID_FILE}"`
kill -9 $pid >/dev/null 2>&1
rm -f "${UPDATE_LOCK_FILE}" "${UPDATE_PID_FILE}"
fi
# Create proxy
${BDII_PROXY} ${BDII_CONF}
# # Create RAM Disk
# if [ "${BDII_RAM_DISK}" = "yes" ]; then
# mount -t tmpfs -o size=1G,mode=0744 tmpfs ${SLAPD_DB_DIR}
# fi
#Initialize the database directory.
mkdir -p ${SLAPD_DB_DIR}/stats
mkdir -p ${SLAPD_DB_DIR}/glue2
mkdir -p ${BDII_VAR_DIR}/archive
mkdir -p /var/lock/subsys
chown -R ${BDII_USER}:${BDII_USER} ${BDII_VAR_DIR}
[ -x /sbin/restorecon ] && /sbin/restorecon -R ${BDII_VAR_DIR}
chown -R ${BDII_USER}:${BDII_USER} ${SLAPD_DB_DIR}
$RUNUSER -s /bin/sh ${BDII_USER} -c "rm -f ${SLAPD_DB_DIR}/stats/* 2>/dev/null"
$RUNUSER -s /bin/sh ${BDII_USER} -c "rm -f ${SLAPD_DB_DIR}/glue2/* 2>/dev/null"
$RUNUSER -s /bin/sh ${BDII_USER} -c "rm -f ${SLAPD_DB_DIR}/* 2>/dev/null"
$RUNUSER -s /bin/sh ${BDII_USER} -c "rm -f ${BDII_VAR_DIR}/old.ldif 2>/dev/null"
$RUNUSER -s /bin/sh ${BDII_USER} -c "cp ${DB_CONFIG} ${SLAPD_DB_DIR}"
$RUNUSER -s /bin/sh ${BDII_USER} -c "cp ${DB_CONFIG} ${SLAPD_DB_DIR}/stats/"
$RUNUSER -s /bin/sh ${BDII_USER} -c "cp ${DB_CONFIG} ${SLAPD_DB_DIR}/glue2/"
# echo -n "Starting BDII slapd: "
COMMAND="${SLAPD} -f ${SLAPD_CONF} -h ldap://${BDII_IP:-$(hostname -f)}:${SLAPD_PORT} -u ${BDII_USER}"
${COMMAND}
touch ${SLAPD_LOCK_FILE}
if [ ! -f "${SLAPD_PID_FILE}" ]; then
sleep 2
fi
if [ -f "${SLAPD_PID_FILE}" ]; then
ps $(cat ${SLAPD_PID_FILE}) >/dev/null 2>&1
RETVAL=$?
else
RETVAL=1
fi
if [ ${RETVAL} -gt 0 ]; then
echo -n "BDII slapd failed to start" 1>&2
rm -f ${SLAPD_LOCK_FILE}
# eval log_failure_msg
# echo "${COMMAND} -d 256"
# ${COMMAND} -d 256
return 1
else
:
# eval log_success_msg
fi
export SLAPD_CONF=${SLAPD_CONF}
$RUNUSER -s /bin/sh ${BDII_USER} -c "${BDII_UPDATE} -c ${BDII_CONF} -d"
touch ${UPDATE_LOCK_FILE}
if [ ! -f ${BDII_VAR_DIR}/bdii-update.pid ]; then
sleep 2
fi
if [ -f ${BDII_VAR_DIR}/bdii-update.pid ]; then
touch ${UPDATE_PID_FILE}
chown ${BDII_USER} ${UPDATE_PID_FILE}
mv ${BDII_VAR_DIR}/bdii-update.pid ${UPDATE_PID_FILE}
ps $(cat ${UPDATE_PID_FILE}) >/dev/null 2>&1
RETVAL=$?
else
RETVAL=1
fi
# echo -n "Starting BDII update process: "
if [ ${RETVAL} -gt 0 ]; then
echo -n "BDII update process failed to start" 1>&2
rm -f ${UPDATE_LOCK_FILE}
# eval log_failure_msg
return 1
else
# eval log_success_msg
touch $lockfile
return 0
fi
}
dummy_stop() {
rm ${OCF_RESKEY_state}
RETVAL=0
# echo -n "Stopping BDII update process: "
if [ -f "${UPDATE_PID_FILE}" ]; then
UPDATE_PID=$(cat ${UPDATE_PID_FILE})
fi
$RUNUSER -s /bin/sh ${BDII_USER} -c "kill -15 ${UPDATE_PID} 2>/dev/null"
if [ -n "${UPDATE_PID}" ]; then
ps ${UPDATE_PID} >/dev/null 2>&1
if [ $? = 0 ]; then
sleep 2
ps ${UPDATE_PID} >/dev/null 2>&1
if [ $? = 0 ]; then
$RUNUSER -s /bin/sh ${BDII_USER} -c "kill -9 ${UPDATE_PID} 2>/dev/null"
sleep 2
ps ${UPDATE_PID} >/dev/null 2>&1
if [ $? = 0 ]; then
echo -n "Could not kill BDII update process ${UPDATE_PID}" 1>&2
RETVAL=1
fi
fi
fi
fi
if [ ${RETVAL} = 0 ]; then
rm -f ${UPDATE_PID_FILE}
rm -f ${UPDATE_LOCK_FILE}
# eval log_success_msg
else
:
# eval log_failure_msg
fi
# echo -n "Stopping BDII slapd: "
if [ -f "${SLAPD_PID_FILE}" ]; then
SLAPD_PID=$(cat ${SLAPD_PID_FILE})
fi
$RUNUSER -s /bin/sh ${BDII_USER} -c "kill -15 ${SLAPD_PID} 2>/dev/null"
if [ -n "${SLAPD_PID}" ]; then
ps ${SLAPD_PID} >/dev/null 2>&1
if [ $? = 0 ]; then
sleep 2
ps ${SLAPD_PID} >/dev/null 2>&1
if [ $? = 0 ]; then
$RUNUSER -s /bin/sh ${BDII_USER} -c "kill -9 ${SLAPD_PID} 2>/dev/null"
sleep 2
ps ${SLAPD_PID} >/dev/null 2>&1
if [ $? = 0 ]; then
echo -n "Could not kill BDII slapd process ${SLAPD_PID}" 1>&2
RETVAL=2
else
rm -f {SLAPD_PID_FILE}
fi
fi
fi
fi
if [ ${RETVAL} = 2 ]; then
:
#eval log_failure_msg
else
rm -f ${SLAPD_LOCK_FILE}
#eval log_success_msg
fi
if [ ! ${RETVAL} = 0 ]; then
return 1
else
# mountpoint -q ${SLAPD_DB_DIR} && umount ${SLAPD_DB_DIR}
rm -f $lockfile
return 0
fi
}
dummy_monitor() {
# Monitor _MUST!_ differentiate correctly between running
# (SUCCESS), failed (ERROR) or _cleanly_ stopped (NOT RUNNING).
# That is THREE states, not just yes/no.
####
# if [ -f ${OCF_RESKEY_state} ]; then
# return $OCF_SUCCESS
# fi
# if false ; then
# return $OCF_ERR_GENERIC
# fi
# return $OCF_NOT_RUNNING
####
if [ ! -f "${SLAPD_LOCK_FILE}" ] && [ ! -f "${UPDATE_LOCK_FILE}" ]; then
# no lock files found
return $OCF_NOT_RUNNING
fi
if [ -f ${SLAPD_PID_FILE} ]; then
ps $(cat ${SLAPD_PID_FILE}) >/dev/null 2>&1
if [ ! $? = 0 ]; then
# slapd lockfile found but no process
return $OCF_ERR_GENERIC
fi
else
# no slapd lockfile found
return $OCF_ERR_GENERIC
fi
if [ -f ${UPDATE_PID_FILE} ]; then
ps $(cat ${UPDATE_PID_FILE}) >/dev/null 2>&1
if [ ! $? = 0 ]; then
# no bdii_update process
return $OCF_ERR_GENERIC
fi
else
# no bdii_update lockfile
return $OCF_ERR_GENERIC
fi
# all's well that ends well
return $OCF_SUCCESS
}
dummy_validate() {
# Is the state directory writable?
state_dir=`dirname $SLAPD_LOCK_FILE"`
touch "$state_dir/$$"
if [ $? != 0 ]; then
return $OCF_ERR_ARGS
fi
rm "$state_dir/$$"
return $OCF_SUCCESS
}
: ${OCF_RESKEY_state=${HA_RSCTMP}/bdii-${OCF_RESOURCE_INSTANCE}.state}
case $__OCF_ACTION in
meta-data) meta_data
exit $OCF_SUCCESS
;;
start) dummy_start;;
stop) dummy_stop;;
monitor) dummy_monitor;;
migrate_to) ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} to ${OCF_RESKEY_CRM_meta_migrate_to}."
dummy_stop
;;
migrate_from) ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} to ${OCF_RESKEY_CRM_meta_migrated_from}."
dummy_start
;;
reload) ocf_log err "Reloading..."
dummy_start
;;
validate-all) dummy_validate;;
usage|help) dummy_usage
exit $OCF_SUCCESS
;;
*) dummy_usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
rc=$?
ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
exit $rc
