manage-docker

#!/bin/bash

CURRENT_DIR=$(dirname $(readlink -f $0))


DOCKER_REGISTRY="repo.acip.io"
COMMAND=$1

if [ "$#" -lt 1 ]; then
  echo "
  Usage: manage-docker [COMMAND] [PARAMETERS]

  A script that handles docker image process

  Commands:

    login [username password]        : logs you in to $DOCKER_REGISTRY
    images                           : lists locally available images (*)
    push  [image_label]              : pushes image_label to $DOCKER_REGISTRY
    pull  [image_label]              : pulls and saves image_label from $DOCKER_REGISTRY into /srv/repo/
    load  [image_path] [config_file] : loads given image as a docker image (*)

  Parameters:

    username                         : username for repo
    password                         : user password for repo
    image_label                      : name of the image (format: $DOCKER_REGISTRY/image_name)

    (*) works on non-connected devices
"

else

  wget -q --spider http://google.com

  if [ $? -eq 0 ]; then
    if [ $1 = "login" ]; then
      USERNAME=$2
      PASSWORD=$3
      docker login -u $USERNAME -p $PASSWORD $DOCKER_REGISTRY
    fi

    if [ $1 = "push" ]; then
      IMAGE_LABEL=$2
      docker push "$DOCKER_REGISTRY"'/'"$IMAGE_LABEL"
    fi

    if [ $1 = "pull" ]; then
      IMAGE_LABEL=$2
      #readarray -d / -t arr <<< $IMAGE_LABEL
      docker pull "$DOCKER_REGISTRY"'/'"$IMAGE_LABEL"
      docker save "$DOCKER_REGISTRY"'/'"$IMAGE_LABEL" | gzip -c > '/srv/repo/'"$IMAGE_LABEL"'.tar.gz'
    fi
  fi


  if [ $1 = "images" ]; then
    IMAGE_LABEL=$2
    docker images
  fi

  if [ $1 = "load" ]; then
    IMAGE_PATH=$2

    # get image label from path (by excluding the path itself and .tar.gz extension)
    IMAGE_NAME=$(basename $IMAGE_PATH)
    readarray -d . -t IMAGE_LABEL <<< $IMAGE_NAME
    docker load -i $IMAGE_PATH
    echo "$IMAGE_LABEL"' has been loaded successfully!'

    UUID="$(docker run -d "$DOCKER_REGISTRY"'/'"$IMAGE_LABEL")"

    if [ ! -z "$3" ]; then
      CONFIG_FILE=$3
      CONFIG_FILE_NAME=$(basename $CONFIG_FILE)
      docker cp $CONFIG_FILE "$UUID"':/client/config/'"$CONFIG_FILE_NAME"
    fi

    echo "$IMAGE_LABEL"' is running with '"$UUID"' ID!'

  fi

fi