Image building tools for OpenStack

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Ian Wienand ff79dc9793 Catch errors in DIB_INIT_SYSTEM export When you source a file that just does export FOO=$(bar) you miss any invalid return codes from "bar" (even under -e) because bash returns the value of the "export", which is 0 On centos-minimal, we stopped bringing in systemd early and this was causing dib-init-system to not know what init was available. Since it did not fail correctly, it lead to confusing errors much later in the build when service files were not copied correctly. See also I24ce648485c3d6f3c27ab8f87a638516b3727017 A dib-lint check is added. One minor fixup is in 00-set-apt-sources (this one is less likely to cause problems). I have run dib-lint over project-config elements and none use this pattern. Change-Id: I076c08190d40c315ad6a6d96a3823e9fc52630be		2016-11-23 23:03:50 +00:00
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README.rst

Image building tools for OpenStack

diskimage-builder is a flexible suite of components for building a wide-range of disk images, filesystem images and ramdisk images for use with OpenStack.

This repository has the core functionality for building such images, both virtual and bare metal. Images are composed using elements; while fundamental elements are provided here, individual projects have the flexibility to customise the image build with their own elements.

For example:

$ DIB_RELEASE=trusty disk-image-create -o ubuntu-trusty.qcow2 vm ubuntu

will create a bootable Ubuntu Trusty based qcow2 image.

diskimage-builder is useful to anyone looking to produce customised images for deployment into clouds. These tools are the components of TripleO that are responsible for building disk images. They are also used extensively to build images for testing OpenStack itself, particularly with nodepool. Platforms supported include Ubuntu, CentOS, RHEL and Fedora.

Full documentation, the source of which is in doc/source/, is published at:

http://docs.openstack.org/developer/diskimage-builder/

Copyright

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.