/usr/lib/ocf/resource.d/heartbeat/WAS6 is in resource-agents 1:3.9.3+git20121009-3ubuntu2.
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# WAS6
#
# Description: Manages a Websphere Application Server as an HA resource
#
#
# Author: Ru Xiang Min
# Support: linux-ha@lists.linux-ha.org
# License: GNU General Public License (GPL)
# Copyright: (C) 2006 International Business Machines China, Ltd., Inc.
#
#
# An example usage in /etc/ha.d/haresources:
# node1 10.0.0.170 WAS::/opt/IBM/WebSphere/AppServer/profiles/default/config/cells/Node01Cell/nodes/Node01/serverindex.xml
#
# See usage() function below for more details...
#
# OCF parameters are as below:
# OCF_RESKEY_profile
# (WAS profile name, used for the single server edition of WAS6)
#######################################################################
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
#######################################################################
WAS_DIR=/opt/IBM/WebSphere/AppServer
if
[ ! -d $WAS_DIR ]
then
WAS_DIR=/usr/IBM/WebSphere/AppServer
fi
STARTTIME=300 # 5 minutes
DEFAULT_WASPORTS="9080"
#
#
WAS_BIN=$WAS_DIR/bin
DEFAULT=default
#
# Print usage message
#
usage() {
methods=`WAS_methods | grep -v methods`
methods=`echo $methods | tr ' ' '|'`
cat <<-END
usage: $0 ($methods)
For the single server edition of WAS6, you have to set the following
enviroment virable:
OCF_RESKEY_profile
(WAS profile name)
$0 manages a Websphere Application Server 6(WAS6) as an HA resource
The 'start' operation starts WAS6.
The 'stop' operation stops WAS6.
The 'status' operation reports whether WAS6 is running
The 'monitor' operation reports whether the WAS6 seems to be working
(httpd also needs to be working for this case)
The 'validate-all' operation reports whether the OCF instance parameter (OCF_RESKEY_profileName ) is valid
The 'methods' operation reports on the methods $0 supports
This is known to work with the Single Server edition of Websphere.
The default profile name for the single server edition is:
$DEFAULT
The start and stop operations must be run as root.
The status operation will report a pid of "-" for the
WAS root process using unless it is run as root.
If you don't have xmllint on your system, parsing of WAS
configuration files is very primitive.
We run servlet/snoop on the seventh transport port listed in
the config file for the "monitor" operation.
END
}
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="WAS6">
<version>1.0</version>
<longdesc lang="en">
Resource script for WAS6. It manages a Websphere Application Server (WAS6) as
an HA resource.
</longdesc>
<shortdesc lang="en">Manages a WebSphere Application Server 6 instance</shortdesc>
<parameters>
<parameter name="profile" unique="0" required="0">
<longdesc lang="en">
The WAS profile name.
</longdesc>
<shortdesc lang="en">profile name</shortdesc>
<content type="string" default="$DEFAULT" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="300" />
<action name="stop" timeout="300" />
<action name="status" depth="0" timeout="30" interval="10" />
<action name="monitor" depth="0" timeout="30" interval="10" />
<action name="validate-all" timeout="5" />
<action name="meta-data" timeout="5" />
<action name="methods" timeout="5" />
</actions>
</resource-agent>
END
}
#
# Reformat the XML document in a sort of canonical form
# if we can. If we don't have xmllint, we just cat it out
# and hope for the best ;-)
#
xmlcat() {
if
[ "X$XMLcat" = X ]
then
XMLcat=`which xmllint 2>/dev/null`
if
[ "X${XMLcat}" = X -o ! -x "${XMLcat}" ]
then
XMLcat=cat
else
XMLcat="$XMLcat --recover --format"
fi
fi
for j in "$@"
do
${XMLcat} "$j"
done
}
#
#This is a bit skanky, but it works anyway...
#
# It's not really skanky if we can find xmllint on the system, because it
# reformats tags so they are all on one line, which is all we we need...
#
#
# Get the numbers of the ports WAS should be listening on...
#
# If we don't have xmllint around, then the applicationserver and the
# port= specification have to be on the same line in the XML config file.
#
GetWASPorts() {
case $1 in
[0-9]*) echo "$1" | tr ',' '\012';;
*)
xmlcat ${WAS_DIR}/profiles/${WAS_PROFILE_NAME}/config/cells/${WAS_CELL}/nodes/${WAS_NODE}/serverindex.xml |
grep port= |
sed -e 's%.*port= *"* *%%' \
-e 's%[^0-9][^0-9]*.*$%%'
# Delete up to port=, throw away optional quote and optional
# white space.
# Throw away everything after the first non-digit.
# This should leave us the port number all by itself...
esac
}
#
# We assume that the seventh port listed in the serverindex.xml
# is the one we should run servlet/snoop on.
#
GetWASSnoopPort() {
GetWASPorts "$@" | sed -n '7p'
}
#
# Return information on the processname/id for the WAS ports
#
# pid/java is the expected output. Several lines, one per port...
#
#
WASPortInfo() {
pat=""
once=yes
PortCount=0
for j in $*
do
case $pat in
"") pat="$j";;
*) pat="$pat|$j";;
esac
PortCount=`expr $PortCount + 1`
done
netstat -ltnp 2>/dev/null| egrep -i "($pat) .*LISTEN" | sed 's%.*LISTEN *%%'
}
#
# Return the number of WAS ports which are open
#
CheckWASPortsInUse() {
count=`WASPortInfo "$@" | wc -l`
echo $count
}
#
# Return the pid(s) of the processes that have WAS ports open
#
WASPIDs() {
WASPortInfo "$@" | sort -u | cut -f1 -d/
}
#
# The version of ps that returns all processes and their (long) args
# It's only used by WAS_procs, which isn't used for anything ;-)
#
ps_long() {
ps axww
}
#
# The total set of WAS processes (single server only)
#
WAS_procs() {
ps_long | grep -i "config=$1" | grep -i java | cut -d' ' -f1
}
#
# methods: What methods/operations do we support?
#
WAS_methods() {
cat <<-!
start
stop
status
methods
validate-all
meta-data
usage
!
if
have_binary $WGET
then
echo " monitor"
fi
}
#
# Return WAS status (silently)
#
WAS_status() {
WASPorts=`GetWASPorts $1`
PortsInUse=`CheckWASPortsInUse $WASPorts`
case $PortsInUse in
0) false;;
*) true;;
esac
}
#
# Report on WAS status to stdout...
#
WAS_report_status() {
WASPorts=`GetWASPorts $1`
PortCount=`echo $WASPorts | wc -w`
PortCount=`echo $PortCount`
PortsInUse=`CheckWASPortsInUse $WASPorts`
case $PortsInUse in
0) ocf_log debug "WAS: server $1 is stopped."; return $OCF_NOT_RUNNING;;
*)
pids=`WASPIDs $WASPorts`
if
[ $PortsInUse -ge $PortCount ]
then
ocf_log debug "WAS: server $1 is running (pid" $pids "et al)."
else
ocf_log debug "WAS: server $1 is running (pid $pids et al) but not listening on all ports."
fi
return $OCF_SUCCESS;;
esac
}
#
# Monitor WAS - does it really seem to be working?
#
# For this we invoke the snoop applet via wget.
#
# This is actually faster than WAS_status above...
#
WAS_monitor() {
trap '[ -z "$tmpfile" || rmtempfile "$tmpfile"' 0
tmpfile=`maketempfile` || exit 1
SnoopPort=`GetWASSnoopPort $1`
output=`$WGET -nv -O$tmpfile http://localhost:$SnoopPort/snoop 2>&1`
rc=$?
if
[ $rc -eq 0 ]
then
if
grep -i 'user-agent.*Wget' $tmpfile >/dev/null
then
: OK
else
ocf_log "err" "WAS: $1: no user-agent from snoop application"
rc=$OCF_ERR_GENERIC
fi
else
ocf_log "err" "WAS: $1: wget failure: $output"
rc=$OCF_ERR_GENERIC
fi
return $rc
}
#
# Start WAS instance
#
WAS_start() {
# Launch Arguments:
# -nowait
# -quiet
# -logfile <filename>
# -replacelog
# -trace
# -script [<script filename >] [-background]
# -timeout <seconds>
# -statusport <portnumber>
# -profileName <profile>
# -help
if
[ -x $WAS_BIN/startServer.sh ]
then
cmd="$WAS_BIN/startServer.sh server1 -profileName $1"
fi
if
ocf_run $cmd
then
if
WAS_wait_4_start $STARTTIME "$@"
then
#true
return $OCF_SUCCESS
else
ocf_log "err" "WAS server $1 did not start correctly"
return $OCF_ERR_GENERIC
fi
else
#false
if
WAS_wait_4_start $STARTTIME "$@"
then
#true
return $OCF_SUCCESS
else
ocf_log "err" "WAS server $1 did not start correctly"
return $OCF_ERR_GENERIC
fi
fi
}
#
# Wait for WAS to actually start up.
#
# It seems to take between 30 and 60 seconds for it to
# start up on a trivial WAS instance.
#
WAS_wait_4_start() {
max=$1
retries=0
shift
while
[ $retries -lt $max ]
do
if
WAS_status "$@"
then
return $OCF_SUCCESS
else
sleep 1
fi
retries=`expr $retries + 1`
done
WAS_status "$@"
}
#
# Shut down WAS
#
WAS_stop() {
# They don't return good return codes...
# And, they seem to allow anyone to stop WAS (!)
if
[ -x $WAS_BIN/stopServer.sh ]
then
ocf_run $WAS_BIN/stopServer.sh server1 -profileName $1
else
WASPorts=`GetWASPorts $1`
kill `WASPIDs $WASPorts`
fi
if
WAS_status $1
then
ocf_log "err" "WAS: $1 did not stop correctly"
#false
return $OCF_ERR_GENERIC
else
#true
return $OCF_SUCCESS
fi
}
#
# Check if the port is valid
#
CheckPort() {
ocf_is_decimal "$1" && [ $1 -gt 0 ]
}
WAS_validate_all() {
if [ -x $WAS_BIN/startServer.sh ]; then
# $arg should be profile name
if [ ! -f ${WAS_DIR}/profiles/${arg}/config/cells/${WAS_CELL}/nodes/${WAS_NODE}/serverindex.xml ]; then
ocf_log err "profile [$arg] does not exist"
exit $OCF_ERR_ARGS
fi
# $arg should specify a valid port number at the very least
local WASPorts=`GetWASPorts $arg`
if [ -z "$WASPorts" ]; then
ocf_log err "No port number specified in configuration file of profile [$arg]"
exit $OCF_ERR_CONFIGURED
fi
local port
local have_valid_port=false
for port in $WASPorts; do
if CheckPort $port; then
have_valid_port=true
break
fi
done
if [ "false" = "$have_valid_port" ]; then
ocf_log err "No valid port number specified in configuration file of profile [$arg]"
exit $OCF_ERR_CONFIGURED
fi
elif [ -x $WAS_BIN/startupServer.sh ]; then
# $arg should be port number
if CheckPort "$arg"; then
ocf_log err "Port number is required but [$arg] is not valid port number"
exit $OCF_ERR_ARGS
fi
else
# Do not know hot to validate_all
ocf_log warn "Do not know how to validate-all, assuming validation OK"
return $OCF_SUCCESS
fi
}
#
# 'main' starts here...
#
if
( [ $# -ne 1 ] )
then
usage
exit $OCF_ERR_ARGS
fi
# These operations don't require OCF instance parameters to be set
case "$1" in
meta-data) meta_data
exit $OCF_SUCCESS;;
usage) usage
exit $OCF_SUCCESS;;
methods) WAS_methods
exit $?;;
*);;
esac
#
# Supply default configuration parameter(s)
#
if
[ -z $OCF_RESKEY_profile ]
then
arg=$DEFAULT
else
arg=$OCF_RESKEY_profile
fi
if
[ ! -d ${WAS_DIR}/profiles/$arg ]
then
ocf_log "err" "WAS profile $arg does not exist!"
usage
exit $OCF_ERR_ARGS
fi
WAS_PROFILE_NAME=$arg
if [ "${WAS_PROFILE_NAME:=}" != "" ]; then
WAS_PROFILE_FSDB_SCRIPT=${WAS_DIR}/properties/fsdb/${WAS_PROFILE_NAME}.sh
fi
if [ "${WAS_PROFILE_FSDB_SCRIPT:=}" != "" ] && [ -f ${WAS_PROFILE_FSDB_SCRIPT} ]; then
. ${WAS_PROFILE_FSDB_SCRIPT}
fi
if [ "${WAS_USER_SCRIPT:=}" != "" ]; then
. ${WAS_USER_SCRIPT}
fi
# What kind of method was invoked?
case "$1" in
start) WAS_start $arg
exit $?;;
stop) WAS_stop $arg
exit $?;;
status) WAS_report_status $arg
exit $?;;
monitor) WAS_monitor $arg
exit $?;;
validate-all) WAS_validate_all $arg
exit $?;;
*) usage
exit $OCF_ERR_UNIMPLEMENTED;;
esac
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