diskimage-builder/elements/docker/root.d/08-docker
Monty Taylor 4bddca2573 Add base element for using docker as image base
Docker can export root filesystems, which is what we want out of root
elements. Make a very simple passthrough element that will grab a docker
image and export it into a root filesystem.

Change-Id: Ie1e2d5dd5a61558f100e02c953b18d697a8fe8a2
2015-07-19 10:23:34 +00:00

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#!/bin/bash
#
# Copyright 2015 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
set -x
fi
set -eu
set -o pipefail
if [ -f ${TARGET_ROOT}/.extra_settings ] ; then
. ${TARGET_ROOT}/.extra_settings
fi
[ -n "$DISTRO_NAME" ]
[ -n "$DIB_RELEASE" ]
DIB_DOCKER_IMAGE=${DIB_DOCKER_IMAGE:-${DISTRO_NAME}:${DIB_RELEASE}}
container=$(docker run -d $DIB_DOCKER_IMAGE /bin/sh)
docker export $container | sudo tar -C $TARGET_ROOT --numeric-owner -xf -
docker rm $container
sudo rm -f ${TARGET_ROOT}/.extra_settings