Docker Machine Bash Shortcuts

dm.sh

# simplifies using docker-machine
function dm() {
  local TARGET=$2
  if [ -z "$2" ]; then
    TARGET="default"
  fi

  case $1 in
    "start" | "up" )

      if [ -z $(docker-machine ls | grep $TARGET) ]; then
        CREATE=false
        read -e -p "a machine named \"${TARGET}\" doesn't exist (yes to create): " CREATE
        if [[ $CREATE  == "yes" ]]; then
          docker-machine create --driver="virtualbox" $TARGET 
        else 
          echo "exiting"
          return 0
        fi
      fi

      if [ -z $(docker-machine status $TARGET | grep Running) ]; then
        docker-machine start $TARGET
      fi

      eval $(docker-machine env $TARGET) ;;

    "stop" | "halt" )

      echo "stopping docker machine..." 
      docker-machine stop $TARGET ;;

    "delete" | "destroy" )

      echo "destroying \"$TARGET\" machine..." 
      docker-machine rm $TARGET ;;

    "ip" )
      docker-machine ip $TARGET ;;

    "list" | "ls" )
      docker-machine ls ;;

    "clean" )
      docker ps -a | grep "ago" | awk '{print $1}' | xargs docker rm ;;

    "clean-images" )
      if [ -z $2 ]; then
        $2 = "weeks"
      fi

      docker images -a | grep "ago" | awk '{print $3}' | xargs docker rmi ;;

    "help" | "-h" | "--help" )
      echo "usage: dm COMMAND [arg]"
      echo "[machine name] is 'default' if not defined"
      echo "Commands:"
      echo " help | -h | --help               Shows this help text"
      echo " start | up [machine name]        Brings up a docker machine and adds variables to the environment"
      echo " stop | halt [machine name]       Stops the specified docker machine"
      echo " delete | destroy [machine name]  Destroys the specified docker machine"
      echo " list | ls                        Lists available machines"
      echo " ip [machine name]                Prints the ip address for this machine"
      echo " clean [text]                     Deletes all containers matching [text] in the current machine"
      echo " clean-images [text]              Deletes all images in the current machine"
      echo " *                                Alias for docker-machine"
    ;;

    * )
      docker-machine $@
    ;;

  esac
}