Go to file
Ian Wienand 3425624686 Allow setting ROOT_LABEL from environment
--root-label was added with I596104d1a63b5dc6549e8460a1ae3da00165ef04

This sets the ROOT_LABEL environment variable.

Over the years how this deploys has become more complex; now this
value gets written into DIB_BLOCK_DEVICE_PARAMS_YAML default values,
which is then loaded into DIB_ROOT_LABEL.

To override this from the environment you need to specify a full
DIB_BLOCK_DEVICE_CONFIG -- we don't have a way to just merge in the
root label setting.

Using the command-line argument is difficult with tools like nodepool
where the command-line is baked into something else.  However we
already have methods for overriding environment variables on dib
calls.

Several of the other variables here accept default values from the
environment, so this is not an outlier.  Making ROOT_LABEL also do
this allows us to test with non-default root devices in the gate (see
the linked change).

Change-Id: Ia1ef48c24841a86f387ff9603c64fd23d8670193
Needed-By: https://review.opendev.org/c/zuul/nodepool/+/853574
2022-08-18 11:21:19 +10:00
.zuul.d Add Rockylinux 9 build configuration and update jobs for 8 and 9 2022-08-02 14:07:05 -04:00
bin dib-lint: match text/x-script.python 2021-05-10 14:29:51 +10:00
diskimage_builder Allow setting ROOT_LABEL from environment 2022-08-18 11:21:19 +10:00
doc Upgrade openEuler to 22.03 LTS 2022-08-01 19:22:35 +08:00
playbooks Add Jammy functesting to dib 2022-05-04 13:03:50 -07:00
releasenotes Merge "Upgrade openEuler to 22.03 LTS" 2022-08-02 11:21:59 +00:00
roles Upgrade openEuler to 22.03 LTS 2022-08-01 19:22:35 +08:00
tests Fix openSUSE images and bump them to 15.3 2022-01-28 02:18:47 -03:00
.gitignore Migrate from testr to stestr 2021-06-30 18:58:35 +05:30
.gitreview OpenDev Migration Patch 2019-04-19 19:26:30 +00:00
.stestr.conf Migrate from testr to stestr 2021-06-30 18:58:35 +05:30
bindep.txt Remove py 3.6 support and update jobs 2022-06-03 08:43:37 -07:00
LICENSE Fix copyrights for HP work. 2012-11-15 16:20:32 +13:00
lower-constraints.txt Drop lower version requirement for networkx 2021-10-05 12:55:43 +05:30
pylint.cfg Refactor: use lazy logging 2017-05-30 14:39:58 +10:00
README.rst Update readme to clarify an ubuntu bionic image is built 2020-06-07 19:53:46 +02:00
requirements.txt Drop lower version requirement for networkx 2021-10-05 12:55:43 +05:30
setup.cfg Add support for Python 3.10 2022-06-21 11:36:30 +10:00
setup.py Cleanup py27 and docs support 2020-06-05 12:04:30 +02:00
test-requirements.txt Migrate from testr to stestr 2021-06-30 18:58:35 +05:30
tox.ini Stop using openstack upper constraints 2022-06-10 13:33:29 +02:00

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=bionic disk-image-create -o ubuntu-bionic.qcow2 vm ubuntu

will create a bootable Ubuntu Bionic 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
<https://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:

* https://docs.openstack.org/diskimage-builder/latest/

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.