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80 lines
1.8 KiB
Bash
80 lines
1.8 KiB
Bash
#!/bin/sh
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# Short-Description: Create lightweight, portable, self-sufficient containers.
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# Description:
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# Docker is an open-source project to easily create lightweight, portable,
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# self-sufficient containers from any application. The same container that a
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# developer builds and tests on a laptop can run at scale, in production, on
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# VMs, bare metal, OpenStack clusters, public clouds and more.
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PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
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BASE=docker
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DOCKER=/usr/bin/$BASE
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DOCKER_PIDFILE=/var/run/$BASE.pid
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DOCKER_LOG=/var/log/docker.log
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DOCKER_OPTS=
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if [ -f /etc/default/$BASE ]; then
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. /etc/default/$BASE
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fi
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# Check docker is present
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if [ ! -x $DOCKER ]; then
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echo "$DOCKER not present or not executable"
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exit 1
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fi
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docker_start() {
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echo "starting $BASE ..."
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if [ -x ${DOCKER} ]; then
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# If there is an old PID file (no docker running), clean it up:
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if [ -r ${DOCKER_PIDFILE} ]; then
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if ! ps axc | grep docker 1> /dev/null 2> /dev/null ; then
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echo "Cleaning up old ${DOCKER_PIDFILE}."
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rm -f ${DOCKER_PIDFILE}
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fi
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fi
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nohup ${DOCKER} -d -p ${DOCKER_PIDFILE} ${DOCKER_OPTS} >> ${DOCKER_LOG} 2>&1 &
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fi
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}
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# Stop docker:
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docker_stop() {
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echo "stopping $BASE ..."
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# If there is no PID file, ignore this request...
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if [ -r ${DOCKER_PIDFILE} ]; then
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kill $(cat ${DOCKER_PIDFILE})
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fi
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}
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# Restart docker:
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docker_restart() {
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docker_stop
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docker_start
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}
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case "$1" in
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'start')
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docker_start
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;;
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'stop')
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docker_stop
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;;
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'restart')
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docker_restart
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;;
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'status')
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if [ -f ${DOCKER_PIDFILE} ] && ps -o cmd $(cat ${DOCKER_PIDFILE}) | grep -q $BASE ; then
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echo "status of $BASE: running"
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else
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echo "status of $BASE: stopped"
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fi
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;;
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*)
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echo "usage $0 start|stop|restart|status"
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esac
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exit 0
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