a56d9de502
* Add restart for weave service unit * Reuse docker_bin_dir everythere * Limit systemd managed docker containers by CPU/RAM. Do not configure native systemd limits due to the lack of consensus in the kernel community requires out-of-tree kernel patches. Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
121 lines
3.4 KiB
Django/Jinja
121 lines
3.4 KiB
Django/Jinja
#!/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 "$DAEMON" ] || exit 0
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# Read configuration variable file if it is present
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[ -r {{kube_config_dir}}/$NAME.env ] && . {{kube_config_dir}}/$NAME.env
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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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{{ docker_bin_dir }}/docker rm -f kubelet &>/dev/null || true
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sleep 1
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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
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