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Update sysvinit script to fix a few inconsistencies and be more useful/correct downstream

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This commit is contained in:
Tianon Gravi 2013-10-23 16:03:04 -06:00
parent e661473bcd
commit 865649d7ac
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 $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Linux container runtime
# Description: Linux container runtime
# Short-Description: Create lightweight, portable, self-sufficient containers.
# Description:
# Docker is an open-source project to easily create lightweight, portable,
# self-sufficient containers from any application. The same container that a
# developer builds and tests on a laptop can run at scale, in production, on
# VMs, bare metal, OpenStack clusters, public clouds and more.
### END INIT INFO
DOCKER=/usr/bin/docker
DOCKER_PIDFILE=/var/run/docker.pid
BASE=$(basename $0)
DOCKER=/usr/bin/$BASE
DOCKER_PIDFILE=/var/run/$BASE.pid
DOCKER_OPTS=
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
# Check lxc-docker is present
[ -x $DOCKER ] || (log_failure_msg "docker not present"; exit 1)
# Get lsb functions
. /lib/lsb/init-functions
if [ -f /etc/default/lxc ]; then
. /etc/default/lxc
if [ -f /etc/default/$BASE ]; then
. /etc/default/$BASE
fi
if [ "$1" = start ] && which initctl >/dev/null && initctl version | grep -q upstart; then
exit 1
fi
check_root_id ()
{
if [ "$(id -u)" != "0" ]; then
log_failure_msg "Docker must be run as root"; exit 1
# Check docker is present
if [ ! -x $DOCKER ]; then
log_failure_msg "$DOCKER not present or not executable"
exit 1
fi
fail_unless_root() {
if [ "$(id -u)" != '0' ]; then
log_failure_msg "Docker must be run as root"
exit 1
fi
}
case "$1" in
start)
check_root_id || exit 1
log_begin_msg "Starting Docker"
fail_unless_root
log_begin_msg "Starting Docker: $BASE"
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" \
--pidfile "$DOCKER_PIDFILE" \
-- -d -p "$DOCKER_PIDFILE" \
@ -51,15 +60,15 @@ case "$1" in
;;
stop)
check_root_id || exit 1
log_begin_msg "Stopping Docker"
fail_unless_root
log_begin_msg "Stopping Docker: $BASE"
start-stop-daemon --stop \
--pidfile "$DOCKER_PIDFILE"
log_end_msg $?
;;
restart)
check_root_id || exit 1
fail_unless_root
docker_pid=`cat "$DOCKER_PIDFILE" 2>/dev/null`
[ -n "$docker_pid" ] \
&& ps -p $docker_pid > /dev/null 2>&1 \
@ -68,7 +77,7 @@ case "$1" in
;;
force-reload)
check_root_id || exit 1
fail_unless_root
$0 restart
;;