gns3-docker-images/build

#!/bin/sh
#
# build docker images in this repository
#
# usage: build [--no-cache] [image ...]

set -e

DOCKER_BUILD_OPTIONS="--force-rm"

if [ "$1" = "-h" ] || [ "$1" = "-?" ] || [ "$1" = "--help" ]; then
	echo "usage: build [--no-cache] [image ...]" >&2
	exit 1
fi

docker_build_image() {
	path=$1
	echo
	echo "*** $path"
	echo
	if [ "$path" = "ipterm" ]; then
		docker build $DOCKER_BUILD_OPTIONS -t ehlers/ipterm-base ipterm/base
		docker build $DOCKER_BUILD_OPTIONS -t ehlers/ipterm ipterm/cli
		docker build $DOCKER_BUILD_OPTIONS -t ehlers/webterm ipterm/web
		# docker build $DOCKER_BUILD_OPTIONS -t ehlers/web_java ipterm/java
	elif [ -f "$path/Dockerfile" ]; then
		tag=$(echo "$path" | sed 's/\+/\//')
		docker build $DOCKER_BUILD_OPTIONS -t "$tag" "$path"
	fi
}

if [ "$1" = "--no-cache" ]; then
	DOCKER_BUILD_OPTIONS="${DOCKER_BUILD_OPTIONS} --no-cache"
	shift
fi

last_image=$(docker images -q | head -n1)

if [ $# -ge 1 ]; then
	for image do
		docker_build_image "$image"
	done
else
	docker_build_image ipterm
	for dockerfile in */Dockerfile; do
		docker_build_image "$(dirname "$dockerfile")"
	done
fi

[ -n "$last_image" ] && filter="--filter since=$last_image" || filter=""
new_images=$(docker images $filter --format '{{.Repository}}:{{.Tag}}' | sort)

dangling=$(docker images -f "dangling=true" -q)
if [ -n "$dangling" ]; then
	echo
	echo "*** Removing dangling images..."
	echo "$dangling" | xargs docker rmi
fi

echo
echo "*** New images:"
if [ -n "$new_images" ]; then
	echo "$new_images"
else
	echo '--- None ---'
fi