#!/bin/sh
#
### BEGIN INIT INFO
# Provides:          Dockerized PostgreSQL server
# Required-Start:    $remote_fs $syslog docker
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start Postgres server daemon
# Description:       Dockerized PostgreSQL server
### END INIT INFO

CONTAINER={{container}}
NAME=postgres-server-docker
DESC="Postgres server dockerized startup script"
set -e

if ! service docker status; then
  printf "%s\n" "Service startup failed\n"
  printf "%s\n" "docker service should be started\n"
  exit 1
fi
case "$1" in
start)
  printf "%-50s" "Starting $NAME..."
  if [ "`docker ps | grep ${CONTAINER}`" ]; then
    printf "%s\n" "Service already running"
    exit 0
  else
    if docker start ${CONTAINER}  ; then
      printf "%s\n"
      printf "%s\n" "Service started [Ok]"
      printf "%s\n" "Container started [${CONTAINER}]"
      echo ''
      exit 0
    else
      printf "%s\n" "Fail to start container [${CONTAINER}]"
      exit 1
    fi
  fi
;;
status)
  printf "%-50s" "Checking $NAME..."
  if ! [ "`docker ps | grep ${CONTAINER}`" ]; then
    printf "%s\n" "Service not running"
    exit 3
  else
    echo "Service running"
    exit 0
  fi
;;
stop)
  printf "%-50s" "Stopping $NAME"
  if ! [ "`docker ps | grep ${CONTAINER}`" ]; then
    printf "%s\n" "Service already stopped"
    exit 1
  else
    docker stop ${CONTAINER}
    printf "%s\n" "Service stopped [Ok]"
    printf "%s\n" "Container stopped [${CONTAINER}]"
    exit 0
  fi
;;

restart)
  $0 stop
  $0 start
;;

# remove)
#         printf "You will have to run the container again"
#         printf "%s\n"
#         read -r -p "Are you sure ? [y/N] " response
#         case $response in
#             [yY][eE][sS]|[yY])
#                 printf "%-50s" "Removing (force) $NAME"
#                 docker rm -f $CONTAINER
#                 printf "%s\n" "Removed"
#                 exit 0
#                 ;;
#             *)
#                 printf "%s\n" "Not removed"
#                 exit 1
#                 ;;
#         esac
# ;;


*)
        echo "Usage: $N {status|start|stop|restart}"
        exit 1
esac