docker image build

build-docker.sh

#!/bin/bash

SCRIPT_PATH=$(cd $(dirname $0); pwd)
DOCKER_DIR=$SCRIPT_PATH/docker
TESTS_DIR=$SCRIPT_PATH/tests
DOCKER_NAME=$(basename $SCRIPT_PATH)
DOCKER_REV=rev1

function getFileListCheckSum() {
    (cd $DOCKER_DIR; find . -type f | xargs md5sum)
}

function getDirCheckSum() {
    getFileListCheckSum | md5sum | awk '{print $1}'
}

DOCKER_TAG=${DOCKER_NAME}:${DOCKER_REV}-$(getDirCheckSum)

function docker_build() {
    docker build -t $DOCKER_TAG $DOCKER_DIR
}

function docker_runi() {
    docker run -i -u user:user -v $TESTS_DIR:/home/user/tests -t $DOCKER_TAG $*
}

function docker_shell() {
    docker_runi bash
}

function docker_find_image() {
    IMAGE_TAG=$(docker image ls -q $DOCKER_TAG)
    if [ x"$IMAGE_TAG" == x"" ]; then
        echo "run '$0 image' first"
        exit 1;
    fi
}

ACTION=$1

case "$ACTION" in
  "image" ) docker_build ;;
  "shell" ) docker_find_image; docker_shell ;;
  *       ) echo help ;;
esac