Add ansible tasks to setup and control docker SYSv init scripts

ansible/roles/docker/tasks/install-docker-sysv-init-script.yml

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+---
+- name: Add docker SYSV init.d script "{{ docker_name_container }}"
+  template: src=docker-container.sysv.j2 group=root mode=0751 owner=root
+      dest=/etc/init.d/"{{ docker_name_container }}"
+- name: Enable docker SYSV init.d script  "{{ docker_name_container }}"
+  service: name={{ docker_name_container }} enabled=yes

ansible/roles/docker/tasks/restart-docker-sysv-init-script.yml

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+---
+- name: Restart docker SYSV init.d script "{{ docker_name_container }}"
+  service: name= "{{ docker_name_container }}" state=restarted

ansible/roles/docker/tasks/start-docker-sysv-init-script.yml

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+---
+- name: Start docker SYSV init.d script "{{ docker_name_container }}"
+  service: name= "{{ docker_name_container }}" state=started

ansible/roles/docker/tasks/stop-docker-sysv-init-script.yml

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+---
+- name: Stop docker SYSV init.d script "{{ docker_name_container }}"
+  service: name= "{{ docker_name_container }}" state=stopped

ansible/roles/docker/templates/docker-container.sysv.j2

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+#! /bin/sh
+### BEGIN INIT INFO
+# Provides:          {{ docker_name_container }}
+# Required-Start:    $network
+# Required-Stop:
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: start and stop {{ docker_name_container }}
+# Description: {{ docker_name_container }}
+### END INIT INFO
+
+# PATH should only include /usr/* if it runs after the mountnfs.sh script
+PATH=/sbin:/usr/sbin:/bin:/usr/bin
+DESC="{{ docker_name_container }}"
+NAME="{{ docker_name_container }}"
+DAEMON="/usr/bin/docker"
+DAEMON_ARGS=""
+PIDFILE=/var/run/$NAME.pid
+SCRIPTNAME=/etc/init.d/$NAME
+
+# Exit if the package is not installed
+[ -x "$DAEMON" ] || exit 0
+
+# Read configuration variable file if it is present
+[ -r /etc/default/$NAME ] && . /etc/default/$NAME
+
+# Load the VERBOSE setting and other rcS variables
+. /lib/init/vars.sh
+
+# Define LSB log_* functions.
+# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
+# and status_of_proc is working.
+. /lib/lsb/init-functions
+
+#
+# Function that starts the daemon/service
+#
+do_start()
+{
+	# Return
+	#   0 if daemon has been started
+	#   1 if daemon was already running
+	#   2 if daemon could not be started
+	$DAEMON inspect $NAME | grep "\"Running\": false" > /dev/null 2>&1 || return 1
+	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
+	       	start $NAME \
+		      || return 2
+	# Add code here, if necessary, that waits for the process to be ready
+	# to handle requests from services started subsequently which depend
+	# on this one.  As a last resort, sleep for some time.
+}
+
+#
+# Function that stops the daemon/service
+#
+do_stop()
+{
+	# Return
+	#   0 if daemon has been stopped
+	#   1 if daemon was already stopped
+	#   2 if daemon could not be stopped
+	#   other if a failure occurred
+  $DAEMON stop $NAME
+	RETVAL="$?"
+	[ "$RETVAL" = 2 ] && return 2
+	# Many daemons don't delete their pidfiles when they exit.
+	rm -f $PIDFILE
+	return "$RETVAL"
+}
+
+#
+# Function that sends a SIGHUP to the daemon/service
+#
+do_reload() {
+	#
+	# If the daemon can reload its configuration without
+	# restarting (for example, when it is sent a SIGHUP),
+	# then implement that here.
+	#
+	start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
+	return 0
+}
+
+case "$1" in
+  start)
+	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
+	do_start
+	case "$?" in
+		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+	esac
+	;;
+  stop)
+	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
+	do_stop
+	case "$?" in
+		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+	esac
+	;;
+  status)
+	RUNNING=$($DAEMON inspect -f '{{.State.Running}}' $NAME) || exit 1
+	if [ "$RUNNING" = "true" ]; then
+		echo "$NAME is running"
+		exit 0
+	else
+		echo "$NAME is not running"
+		exit 2
+	fi
+	;;
+  #reload|force-reload)
+	#
+	# If do_reload() is not implemented then leave this commented out
+	# and leave 'force-reload' as an alias for 'restart'.
+	#
+	#log_daemon_msg "Reloading $DESC" "$NAME"
+	#do_reload
+	#log_end_msg $?
+	#;;
+  restart|force-reload)
+	#
+	# If the "reload" option is implemented then remove the
+	# 'force-reload' alias
+	#
+	log_daemon_msg "Restarting $DESC" "$NAME"
+	do_stop
+	case "$?" in
+	  0|1)
+		do_start
+		case "$?" in
+			0) log_end_msg 0 ;;
+			1) log_end_msg 1 ;; # Old process is still running
+			*) log_end_msg 1 ;; # Failed to start
+		esac
+		;;
+	  *)
+		# Failed to stop
+		log_end_msg 1
+		;;
+	esac
+	;;
+  *)
+	#echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
+	echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
+	exit 3
+	;;
+esac
+
+:

ansible/roles/docker/vars/main.yml

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+docker_name_container: ooni-canonical-bouncer