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Merge "Remove the unnecessary jeos building docs"

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Zuul 2020-01-09 17:39:58 +00:00 committed by Gerrit Code Review
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on_fedora
on_ubuntu
on_other
jeos_building
standalone

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..
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.
Building JEOS images for use with Heat
======================================
Heat's full functionality can only be used when launching cloud images that have
the heat-cfntools_ package installed.
This document describes some options for creating a heat-cfntools enabled image
for yourself.
.. _heat-cfntools: https://opendev.org/openstack/heat-cfntools
Building an image with diskimage-builder
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diskimage-builder_ is a tool for customizing cloud images.
tripleo-image-elements_ is a collection of diskimage-builder elements related
to the TripleO_ project. It includes an element for heat-cfntools which can be
used to create heat-enabled images.
.. _diskimage-builder: https://opendev.org/openstack/diskimage-builder
.. _tripleo-image-elements: https://opendev.org/openstack/tripleo-image-elements
.. _TripleO: https://wiki.openstack.org/wiki/TripleO
Install the tool (preferably in a virtualenv) and fetch the elements::
pip install git+https://opendev.org/openstack/diskimage-builder
git clone https://opendev.org/openstack/tripleo-image-elements
To create a heat-cfntools enabled image with the current release of Fedora x86_64::
export ELEMENTS_PATH=tripleo-image-elements/elements
disk-image-create vm fedora heat-cfntools -a amd64 -o fedora-heat-cfntools
The image may then be pushed to glance, e.g::
source ~/.openstack/keystonerc
openstack image create fedora-heat-cfntools --public --disk-format qcow2 --container-format bare < fedora-heat-cfntools.qcow2
To create a heat-cfntools enabled image with the current release of Ubuntu i386::
export ELEMENTS_PATH=tripleo-image-elements/elements
disk-image-create vm ubuntu heat-cfntools -a i386 -o ubuntu-heat-cfntools
If you are creating your own images you should consider creating golden images
which contain all the packages required for the stacks that you launch. You can do
this by writing your own diskimage-builder elements and invoking those elements
in the call to disk-image-create.
This means that the resulting heat templates only need to modify configuration
files. This will speed stack launch time and reduce the risk of a transient
package download failure causing the stack launch to fail.
To create an image that contains hooks needed for SoftwareConfig and SoftwareDeployment,
you can follow the steps below to build a fedora based image::
pip install git+https://opendev.org/openstack/diskimage-builder
git clone https://opendev.org/openstack/tripleo-image-elements
git clone https://opendev.org/openstack/heat-agents
export ELEMENTS_PATH=tripleo-image-elements/elements:heat-agents
disk-image-create vm \
fedora selinux-permissive \
heat-config \
os-collect-config \
os-refresh-config \
os-apply-config \
heat-config-cfn-init \
heat-config-puppet \
heat-config-script \
-o fedora-software-config.qcow2
The image may then be pushed to glance, e.g::
source ~/.openstack/keystonerc
openstack image create fedora-software-config --public --disk-format=qcow2 --container-format=bare < fedora-software-config.qcow2