Created
October 28, 2013 23:05
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jenkins swarm client init.d script for CentOS
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| #!/bin/bash | |
| # | |
| # Jenkins Swarm Client | |
| # | |
| # chkconfig: 2345 89 9 | |
| # description: jenkins-swarm-client | |
| source /etc/rc.d/init.d/functions | |
| [[ -e "/etc/jenkins/swarm-client" ]] && source "/etc/jenkins/swarm-client" | |
| #### | |
| #### The following options can be overridden in /etc/jenkins/swarm-client | |
| #### | |
| # The user to run swarm-client as | |
| USER=${USER:="jenkins"} | |
| # The location that the pid file should be written to | |
| PIDFILE=${PIDFILE:="/var/run/jenkins/swarm-client.pid"} | |
| # The location that the lock file should be written to | |
| LOCKFILE=${LOCKFILE:="/var/lock/subsys/jenkins-swarm-client"} | |
| # The location that the log file should be written to | |
| LOGFILE=${LOGFILE:="/var/log/jenkins/swarm-client.log"} | |
| # The location of the swarm-client jar file | |
| JAR=${JAR:="/var/lib/jenkins/swarm-client.jar"} | |
| # The arguments to pass to the JVM. Most useful for specifying heap sizes. | |
| JVM_ARGS=${JVM_ARGS:=""} | |
| # The master Jenkins server to connect to | |
| MASTER=${MASTER:="jenkins"} | |
| # The port that the master is running Jenkins on | |
| MASTER_PORT=${MASTER_PORT:="8080"} | |
| # The username to use when connecting to the master | |
| USERNAME=${USERNAME:=""} | |
| # The password to use when connecting to the master | |
| PASSWORD=${PASSWORD:=""} | |
| # The name of this slave | |
| NAME=${NAME:="$(hostname)"} | |
| # The number of executors to run, by default one per core | |
| NUM_EXECUTORS=${NUM_EXECUTORS:="$(/usr/bin/nproc)"} | |
| # The labels to associate with each executor (space separated) | |
| LABELS=${LABELS:=""} | |
| # The return value from invoking the script | |
| RETVAL=0 | |
| start() { | |
| echo -n $"Starting Jenkins Swarm Client... " | |
| # Must be in /var/lib/jenkins for the swarm client to run properly | |
| local cmd="cd /var/lib/jenkins;" | |
| cmd="${cmd} java ${JVM_ARGS} " | |
| cmd="${cmd} -jar '${JAR}'" | |
| cmd="${cmd} -master 'http://${MASTER}:${MASTER_PORT}'" | |
| if [[ -n "${USERNAME}" ]]; then | |
| cmd="${cmd} -username '${USERNAME}'" | |
| fi | |
| if [[ -n "${PASSWORD}" ]]; then | |
| cmd="${cmd} -password '${PASSWORD}'" | |
| fi | |
| cmd="${cmd} -name '${NAME}'" | |
| if [[ -n "${LABELS}" ]]; then | |
| cmd="${cmd} -labels '${LABELS}'" | |
| fi | |
| cmd="${cmd} -executors '${NUM_EXECUTORS}'" | |
| cmd="${cmd} >> '${LOGFILE}' 2>&1 </dev/null &" | |
| daemon --user "${USER}" --check "swarm-client" --pidfile "${PIDFILE}" "${cmd}" | |
| local pid=$(jps -l | grep "${JAR}" | awk '{print $1}') | |
| [ -n ${pid} ] && echo ${pid} > "${PIDFILE}" | |
| RETVAL=$? | |
| [ $RETVAL -eq 0 ] && touch $LOCKFILE | |
| echo | |
| } | |
| stop() { | |
| echo -n $"Stopping Jenkins Swarm Client... " | |
| killproc -p $PIDFILE "swarm-client" | |
| RETVAL=$? | |
| echo | |
| [ $RETVAL -eq 0 ] && rm -f $LOCKFILE | |
| } | |
| restart() { | |
| stop | |
| start | |
| } | |
| checkstatus() { | |
| status -p "$PIDFILE" "swarm-client" | |
| RETVAL=$? | |
| } | |
| condrestart() { | |
| [ -e "$LOCKFILE" ] && restart || : | |
| } | |
| case "$1" in | |
| start) | |
| start | |
| ;; | |
| stop) | |
| stop | |
| ;; | |
| status) | |
| checkstatus | |
| ;; | |
| restart) | |
| restart | |
| ;; | |
| condrestart) | |
| condrestart | |
| ;; | |
| *) | |
| echo $"Usage: $0 {start|stop|status|restart|condrestart}" | |
| exit 1 | |
| esac | |
| exit $RETVAL |
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