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Merge pull request #2365 from tianon/sysvinit-consistency

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Update sysvinit script to fix a few inconsistencies and be more useful/correct downstream
This commit is contained in:
Tianon Gravi 2013-11-04 15:34:51 -08:00
commit 8ad46ef401
1 changed files with 29 additions and 20 deletions
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49
contrib/init/sysvinit/docker
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@ -6,43 +6,52 @@
# Required-Stop: $syslog $remote_fs # Required-Stop: $syslog $remote_fs
# Default-Start: 2 3 4 5 # Default-Start: 2 3 4 5
# Default-Stop: 0 1 6 # Default-Stop: 0 1 6
# Short-Description: Linux container runtime # Short-Description: Create lightweight, portable, self-sufficient containers.
# Description: Linux container runtime # Description:
# Docker is an open-source project to easily create lightweight, portable,
# self-sufficient containers from any application. The same container that a
# developer builds and tests on a laptop can run at scale, in production, on
# VMs, bare metal, OpenStack clusters, public clouds and more.
### END INIT INFO ### END INIT INFO
DOCKER=/usr/bin/docker BASE=$(basename $0)
DOCKER_PIDFILE=/var/run/docker.pid
DOCKER=/usr/bin/$BASE
DOCKER_PIDFILE=/var/run/$BASE.pid
DOCKER_OPTS= DOCKER_OPTS=
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
# Check lxc-docker is present
[ -x $DOCKER ] || (log_failure_msg "docker not present"; exit 1)
# Get lsb functions # Get lsb functions
. /lib/lsb/init-functions . /lib/lsb/init-functions
if [ -f /etc/default/lxc ]; then if [ -f /etc/default/$BASE ]; then
. /etc/default/lxc . /etc/default/$BASE
fi fi
if [ "$1" = start ] && which initctl >/dev/null && initctl version | grep -q upstart; then if [ "$1" = start ] && which initctl >/dev/null && initctl version | grep -q upstart; then
exit 1 exit 1
fi fi
check_root_id () # Check docker is present
{ if [ ! -x $DOCKER ]; then
if [ "$(id -u)" != "0" ]; then log_failure_msg "$DOCKER not present or not executable"
log_failure_msg "Docker must be run as root"; exit 1 exit 1
fi
fail_unless_root() {
if [ "$(id -u)" != '0' ]; then
log_failure_msg "Docker must be run as root"
exit 1
fi fi
} }
case "$1" in case "$1" in
start) start)
check_root_id || exit 1 fail_unless_root
log_begin_msg "Starting Docker" log_begin_msg "Starting Docker: $BASE"
mount | grep cgroup >/dev/null || mount -t cgroup none /sys/fs/cgroup 2>/dev/null mount | grep cgroup >/dev/null || mount -t cgroup none /sys/fs/cgroup 2>/dev/null
start-stop-daemon --start --background $NO_CLOSE \ start-stop-daemon --start --background \
--exec "$DOCKER" \ --exec "$DOCKER" \
--pidfile "$DOCKER_PIDFILE" \ --pidfile "$DOCKER_PIDFILE" \
-- -d -p "$DOCKER_PIDFILE" \ -- -d -p "$DOCKER_PIDFILE" \
@ -51,15 +60,15 @@ case "$1" in
;; ;;
stop) stop)
check_root_id || exit 1 fail_unless_root
log_begin_msg "Stopping Docker" log_begin_msg "Stopping Docker: $BASE"
start-stop-daemon --stop \ start-stop-daemon --stop \
--pidfile "$DOCKER_PIDFILE" --pidfile "$DOCKER_PIDFILE"
log_end_msg $? log_end_msg $?
;; ;;
restart) restart)
check_root_id || exit 1 fail_unless_root
docker_pid=`cat "$DOCKER_PIDFILE" 2>/dev/null` docker_pid=`cat "$DOCKER_PIDFILE" 2>/dev/null`
[ -n "$docker_pid" ] \ [ -n "$docker_pid" ] \
&& ps -p $docker_pid > /dev/null 2>&1 \ && ps -p $docker_pid > /dev/null 2>&1 \
@ -68,7 +77,7 @@ case "$1" in
;; ;;
force-reload) force-reload)
check_root_id || exit 1 fail_unless_root
$0 restart $0 restart
;; ;;