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Ian Wienand 824a9e91c4 Add state to NodeBase class Making the global state reference a defined part of the node makes some parts of the block device processing easier and removes the need for other global values. The state is passed to PluginNodeBase.__init__() and expected to be passed into all nodes as they are created. NodeBase.__init__() is updated with the new paramater 'state'. The parameter is removed from the create() call as nodes can simply reference it at any point as "self.state". This is similar to 1cdc8b20373c5d582ea928cfd7334469ff36dbce, except it is based on I68840594a34af28d41d9522addcfd830bd203b97 which loads the node-list from pickled state for later cmd_* calls. Thus we only build the state once, at cmd_create() time as we build the node list. Change-Id: I468dbf5134947629f125504513703d6f2cdace59		2017-06-08 17:13:26 +10:00
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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 <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/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.