5 changed files with 281 additions and 2 deletions
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13roles/kubernetes/node/tasks/install.yml
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2roles/kubernetes/node/tasks/main.yml
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126roles/kubernetes/node/templates/deb-kubelet.initd.j2
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4roles/kubernetes/node/templates/kubelet.j2
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138roles/kubernetes/node/templates/rh-kubelet.initd.j2
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#!/bin/bash |
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# |
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### BEGIN INIT INFO |
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# Provides: kubelet |
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# Required-Start: $local_fs $network $syslog |
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# Required-Stop: |
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# Default-Start: 2 3 4 5 |
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# Default-Stop: 0 1 6 |
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# Short-Description: The Kubernetes node container manager |
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# Description: |
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# The Kubernetes container manager maintains docker state against a state file. |
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### END INIT INFO |
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# PATH should only include /usr/* if it runs after the mountnfs.sh script |
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PATH=/sbin:/usr/sbin:/bin:/usr/bin |
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DESC="The Kubernetes container manager" |
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NAME=kubelet |
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DAEMON={{ bin_dir }}/kubelet |
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DAEMON_ARGS="" |
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DAEMON_LOG_FILE=/var/log/$NAME.log |
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PIDFILE=/var/run/$NAME.pid |
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SCRIPTNAME=/etc/init.d/$NAME |
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DAEMON_USER=root |
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# Exit if the package is not installed |
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[ -x "$DAEMON" ] || exit 0 |
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# Read configuration variable file if it is present |
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[ -r /etc/kubernetes/$NAME ] && . /etc/kubernetes/$NAME |
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# Define LSB log_* functions. |
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# Depend on lsb-base (>= 3.2-14) to ensure that this file is present |
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# and status_of_proc is working. |
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. /lib/lsb/init-functions |
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# |
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# Function that starts the daemon/service |
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# |
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do_start() |
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{ |
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# Avoid a potential race at boot time when both monit and init.d start |
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# the same service |
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PIDS=$(pidof $DAEMON) |
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for PID in ${PIDS}; do |
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kill -9 $PID |
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done |
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# Return |
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# 0 if daemon has been started |
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# 1 if daemon was already running |
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# 2 if daemon could not be started |
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start-stop-daemon --start --quiet --background --no-close \ |
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--make-pidfile --pidfile $PIDFILE \ |
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--exec $DAEMON -c $DAEMON_USER --test > /dev/null \ |
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|| return 1 |
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start-stop-daemon --start --quiet --background --no-close \ |
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--make-pidfile --pidfile $PIDFILE \ |
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--exec $DAEMON -c $DAEMON_USER -- \ |
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$DAEMON_ARGS >> $DAEMON_LOG_FILE 2>&1 \ |
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|| return 2 |
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} |
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# |
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# Function that stops the daemon/service |
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# |
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do_stop() |
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{ |
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# Return |
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# 0 if daemon has been stopped |
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# 1 if daemon was already stopped |
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# 2 if daemon could not be stopped |
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# other if a failure occurred |
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start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME |
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RETVAL="$?" |
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[ "$RETVAL" = 2 ] && return 2 |
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# Many daemons don't delete their pidfiles when they exit. |
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rm -f $PIDFILE |
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return "$RETVAL" |
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} |
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case "$1" in |
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start) |
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log_daemon_msg "Starting $DESC" "$NAME" |
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do_start |
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case "$?" in |
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0|1) log_end_msg 0 || exit 0 ;; |
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2) log_end_msg 1 || exit 1 ;; |
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esac |
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;; |
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stop) |
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log_daemon_msg "Stopping $DESC" "$NAME" |
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do_stop |
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case "$?" in |
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0|1) log_end_msg 0 ;; |
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2) exit 1 ;; |
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esac |
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;; |
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status) |
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status_of_proc -p $PIDFILE "$DAEMON" "$NAME" && exit 0 || exit $? |
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;; |
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restart|force-reload) |
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log_daemon_msg "Restarting $DESC" "$NAME" |
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do_stop |
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case "$?" in |
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0|1) |
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do_start |
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case "$?" in |
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0) log_end_msg 0 ;; |
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1) log_end_msg 1 ;; # Old process is still running |
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*) log_end_msg 1 ;; # Failed to start |
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esac |
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;; |
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*) |
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# Failed to stop |
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log_end_msg 1 |
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;; |
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esac |
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;; |
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*) |
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echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2 |
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exit 3 |
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;; |
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esac |
@ -0,0 +1,138 @@ |
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#!/bin/sh |
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# |
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# /etc/rc.d/init.d/kubelet |
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# |
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# chkconfig: 2345 95 95 |
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# description: Daemon for kubelet (kubernetes.io) |
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### BEGIN INIT INFO |
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# Provides: kubelet |
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# Required-Start: $local_fs $network $syslog cgconfig |
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# Required-Stop: |
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# Should-Start: |
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# Should-Stop: |
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# Default-Start: 2 3 4 5 |
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# Default-Stop: 0 1 6 |
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# Short-Description: start and stop kubelet |
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# Description: |
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# The Kubernetes container manager maintains docker state against a state file. |
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### END INIT INFO |
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# Source function library. |
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. /etc/rc.d/init.d/functions |
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prog="kubelet" |
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exec="{{ bin_dir }}/$prog" |
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pidfile="/var/run/$prog.pid" |
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lockfile="/var/lock/subsys/$prog" |
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logfile="/var/log/$prog" |
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[ -e /etc/kubernetes/$prog ] && . /etc/kubernetes/$prog |
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prestart() { |
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service cgconfig status > /dev/null |
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if [[ $? != 0 ]]; then |
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service cgconfig start |
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fi |
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} |
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start() { |
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if [ ! -x $exec ]; then |
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if [ ! -e $exec ]; then |
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echo "Docker executable $exec not found" |
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else |
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echo "You do not have permission to execute the Docker executable $exec" |
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fi |
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exit 5 |
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fi |
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check_for_cleanup |
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if ! [ -f $pidfile ]; then |
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prestart |
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printf "Starting $prog:\t" |
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echo "\n$(date)\n" >> $logfile |
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$exec $DAEMON_ARGS &>> $logfile & |
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pid=$! |
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touch $lockfile |
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success |
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echo |
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else |
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failure |
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echo |
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printf "$pidfile still exists...\n" |
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exit 7 |
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fi |
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} |
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stop() { |
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echo -n $"Stopping $prog: " |
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killproc -p $pidfile -d 300 $prog |
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retval=$? |
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echo |
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[ $retval -eq 0 ] && rm -f $lockfile |
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return $retval |
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} |
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restart() { |
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stop |
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start |
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} |
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reload() { |
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restart |
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} |
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force_reload() { |
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restart |
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} |
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rh_status() { |
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status -p $pidfile $prog |
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} |
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rh_status_q() { |
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rh_status >/dev/null 2>&1 |
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} |
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check_for_cleanup() { |
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if [ -f ${pidfile} ]; then |
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/bin/ps -fp $(cat ${pidfile}) > /dev/null || rm ${pidfile} |
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fi |
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} |
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case "$1" in |
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start) |
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rh_status_q && exit 0 |
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$1 |
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;; |
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stop) |
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rh_status_q || exit 0 |
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$1 |
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;; |
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restart) |
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$1 |
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;; |
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reload) |
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rh_status_q || exit 7 |
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$1 |
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;; |
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force-reload) |
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force_reload |
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;; |
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status) |
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rh_status |
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;; |
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condrestart|try-restart) |
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rh_status_q || exit 0 |
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restart |
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;; |
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*) |
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echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}" |
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exit 2 |
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esac |
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exit $? |
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