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Ian Wienand 4573d0d930 Prune old branches when updating cache
dib builds are failing in nodepool at the moment trying to download a
really old Fedora image.  What happens is that the devstack cache
script [1] goes through all the branches of the devstack checkout and
uses the inbuilt image-list tool [2] to get its list of images to
pre-download.  One of the old Fedora images required on the retired
branches has now gone, so the build halts with a 404 trying to get it.

Thus make sure we do a --prune when we fetch changes so that old
branches are removed from the cache.

[1] https://git.openstack.org/cgit/openstack-infra/project-config/tree/nodepool/elements/cache-devstack/extra-data.d/55-cache-devstack-repos
[2] https://git.openstack.org/cgit/openstack-dev/devstack/tree/tools/image_list.sh

Change-Id: Ieb6a6e9f55bd93f63c3d0a71828c276c2d02e1b9
2016-01-12 11:25:43 +11:00
bin Merge "Support building ACIs" 2015-12-18 13:53:38 +00:00
diskimage_builder Bump to hacking 0.10 2015-02-11 15:28:28 -06:00
doc/source Document byte-to-inode ratio 2015-12-16 13:58:17 -08:00
elements Prune old branches when updating cache 2016-01-12 11:25:43 +11:00
lib Properly account for pipefail during cleanup 2015-12-31 19:43:55 +00:00
tests Merge "Make check for image-should-fail quiet" 2016-01-08 01:22:37 +00:00
.gitignore Ignore manifest outputs more carefully. 2014-06-26 04:29:51 +12:00
.gitreview Update stackforge references to openstack 2013-08-17 22:58:26 -04:00
.testr.conf Add unit test for cache-url 2014-09-30 16:39:21 -05:00
babel.cfg Make it possible for openstack-CI to run tests 2013-02-04 22:26:17 -08:00
LICENSE Fix copyrights for HP work. 2012-11-15 16:20:32 +13:00
MANIFEST.in Remove old entries from MANIFEST.in 2015-09-02 15:15:13 +10:00
README.rst Make README.rst a bit more generic 2015-09-16 13:52:43 +10:00
requirements.txt Add missing six requirement for svc-map element 2015-11-05 01:58:00 +00:00
setup.cfg Remove deprecated disk-image-get-kernel 2015-07-06 16:44:07 +00:00
setup.py Updated from global requirements 2015-09-22 09:17:08 +00:00
test-requirements.txt Updated from global requirements 2015-12-01 05:00:47 +00:00
tox.ini Deprecated tox -downloadcache option removed 2015-12-11 22:58:50 +01:00

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 <https://wiki.openstack.org/wiki/TripleO>`__
that are responsible for building disk images.  They are also used
extensively to build images for testing OpenStack itself, particularly
with `nodepool
<http://docs.openstack.org/infra/system-config/nodepool.html>`__.
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
=========

Copyright 2012 Hewlett-Packard Development Company, L.P.
Copyright (c) 2012 NTT DOCOMO, INC.

All Rights Reserved.

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.