Deprecated soon: override /etc/init.d/docker file on containervm image,

cluster/saltbase/salt/docker/docker-init

@@ -0,0 +1,149 @@
+#!/bin/sh
+
+### BEGIN INIT INFO
+# Provides:           docker
+# Required-Start:     $syslog $remote_fs
+# Required-Stop:      $syslog $remote_fs
+# Default-Start:      2 3 4 5
+# Default-Stop:       0 1 6
+# Short-Description:  Create lightweight, portable, self-sufficient containers.
+# Description:
+#  Docker is an open-source project to easily create lightweight, portable,
+#  self-sufficient containers from any application. The same container that a
+#  developer builds and tests on a laptop can run at scale, in production, on
+#  VMs, bare metal, OpenStack clusters, public clouds and more.
+### END INIT INFO
+
+export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
+
+BASE=$(basename $0)
+
+# modify these in /etc/default/$BASE (/etc/default/docker)
+# HACK: DOCKER overridable to allow image builder to run this, too.
+DOCKER=${DOCKER:-/usr/bin/$BASE}
+DOCKER_PIDFILE=/var/run/$BASE.pid
+DOCKER_LOGFILE=/var/log/$BASE.log
+DOCKER_OPTS=
+DOCKER_DESC="Docker"
+
+# Get lsb functions
+. /lib/lsb/init-functions
+
+if [ -f /etc/default/$BASE ]; then
+	. /etc/default/$BASE
+fi
+
+# see also init_is_upstart in /lib/lsb/init-functions (which isn't available in Ubuntu 12.04, or we'd use it)
+if [ -x /sbin/initctl ] && /sbin/initctl version 2>/dev/null | grep -q upstart; then
+	log_failure_msg "$DOCKER_DESC is managed via upstart, try using service $BASE $1"
+	exit 1
+fi
+
+# 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_DESC must be run as root"
+		exit 1
+	fi
+}
+
+cgroupfs_mount() {
+	# see also https://github.com/tianon/cgroupfs-mount/blob/master/cgroupfs-mount
+	if grep -v '^#' /etc/fstab | grep -q cgroup \
+		|| [ ! -e /proc/cgroups ] \
+		|| [ ! -d /sys/fs/cgroup ]; then
+		return
+	fi
+	if ! mountpoint -q /sys/fs/cgroup; then
+		mount -t tmpfs -o uid=0,gid=0,mode=0755 cgroup /sys/fs/cgroup
+	fi
+	(
+		cd /sys/fs/cgroup
+		for sys in $(awk '!/^#/ { if ($4 == 1) print $1 }' /proc/cgroups); do
+			mkdir -p $sys
+			if ! mountpoint -q $sys; then
+				if ! mount -n -t cgroup -o $sys cgroup $sys; then
+					rmdir $sys || true
+				fi
+			fi
+		done
+	)
+}
+
+case "$1" in
+	mount)  # HACK: Used in image build
+		fail_unless_root
+
+		cgroupfs_mount
+
+		log_end_msg $?
+		;;
+
+	start)
+		fail_unless_root
+
+		cgroupfs_mount
+
+		# TODO: Find a better place to do this!
+		echo 1 > /sys/fs/cgroup/memory/memory.use_hierarchy
+
+		touch "$DOCKER_LOGFILE"
+		chgrp docker "$DOCKER_LOGFILE"
+
+		if [ -n "$DOCKER_NOFILE" ]; then
+			ulimit -n $DOCKER_NOFILE
+		fi
+
+		if [ -n "$DOCKER_LOCKEDMEMORY" ]; then
+			ulimit -l $DOCKER_LOCKEDMEMORY
+		fi
+
+		log_begin_msg "Starting $DOCKER_DESC: $BASE"
+		start-stop-daemon --start --background \
+			--no-close \
+			--exec "$DOCKER" \
+			--pidfile "$DOCKER_PIDFILE" \
+			-- \
+				daemon -p "$DOCKER_PIDFILE" \
+				$DOCKER_OPTS \
+					>> "$DOCKER_LOGFILE" 2>&1
+		log_end_msg $?
+		;;
+
+	stop)
+		fail_unless_root
+		log_begin_msg "Stopping $DOCKER_DESC: $BASE"
+		start-stop-daemon --stop --pidfile "$DOCKER_PIDFILE"
+		log_end_msg $?
+		;;
+
+	restart)
+		fail_unless_root
+		docker_pid=`cat "$DOCKER_PIDFILE" 2>/dev/null`
+		[ -n "$docker_pid" ] \
+			&& ps -p $docker_pid > /dev/null 2>&1 \
+			&& $0 stop
+		$0 start
+		;;
+
+	force-reload)
+		fail_unless_root
+		$0 restart
+		;;
+
+	status)
+		status_of_proc -p "$DOCKER_PIDFILE" "$DOCKER" docker
+		;;
+
+	*)
+		echo "Usage: $0 {start|stop|restart|status}"
+		exit 1
+		;;
+esac
+
+exit 0

cluster/saltbase/salt/docker/init.sls

@@ -58,6 +58,15 @@ docker:
   file.replace:
     - pattern: '^net.ipv4.ip_forward=0'
     - repl: '# net.ipv4.ip_forward=0'
+
+/etc/init.d/docker:
+  file.managed:
+    - source: salt://docker/docker-init
+    - template: jinja
+    - user: root
+    - group: root
+    - mode: 755
+    - makedirs: true
 {% endif %}
 
 # Work around Salt #18089: https://github.com/saltstack/salt/issues/18089