Script to open Eclipse Che electron app, together with the server (as docker image)

che-electron.sh

  #!/bin/sh
  
  # check if docker is working
  docker ps &> /dev/null
  if [ $? -ne 0 ]; then
    echo "[ERROR]\tCannot connect to the Docker daemon. Is the docker daemon running on this host?" 1>&2
    return 1
  fi

  CONTAINER="che"
  VM="default"
  VM_IP=$(docker-machine ip ${VM})
  echo $VM_IP

  wait_server()
  {
    # sleeps half a second to wait for new log to spawn
    sleep 0.5
    # http://superuser.com/a/548193
    fifo=/tmp/notifyfifo.$$
    mkfifo "${fifo}" || exit 1
    {
        # run tail in the background so that the shell can
        # kill tail when notified that grep has exited
        docker logs -f --tail=1 $CONTAINER &
        # remember tail's PID
        tailpid=$!
        # wait for notification that grep has exited
        read foo <${fifo}
        # grep has exited, time to go
        kill "${tailpid}"
    } | {
        grep -m 1 "Server startup in"
        # notify the first pipeline stage that grep is done
        echo >${fifo}
    } &> /dev/null
    # clean up
    rm -f "${fifo}"
  }

  # container does not exist
  RUNNING=$(docker inspect --format="{{ .State.Running }}" $CONTAINER 2> /dev/null)
  if [ $? -eq 1 ]; then
    echo "[INFO]\t'che' container not found. Creating..."
    docker run -d --name=che --net=host \
      -v /var/run/docker.sock:/var/run/docker.sock \
      -v /home/user/che/lib:/home/user/che/lib-copy \
      -v /home/user/che/workspaces:/home/user/che/workspaces \
      -v /home/user/che/tomcat/temp/local-storage:/home/user/che/tomcat/temp/local-storage \
      -e CHE_DOCKER_MACHINE_HOST=$VM_IP \
      codenvy/che 1> /dev/null
      if [ $? -eq 1 ]; then return 1; fi
    wait_server
  fi
  # container is not running
  if [ "$RUNNING" = "false" ]; then
    echo "[INFO]\t'che' container not running. Starting..."
    docker start che 1> /dev/null
    if [ $? -eq 1 ]; then return 1; fi
    wait_server
  fi
  echo "[INFO]\t'che' container ready!"
  echo "[INFO]\tOpening 'che-electron' app"
  ELECTRON_APP_PATH=/Applications
  open $ELECTRON_APP_PATH/eclipse-che.app --args . http://$VM_IP:8080