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============================
Software configuration hooks
============================
.. warning::
All hooks (heat agents) in heat-templates repository are deprecated,
please use hooks in `heat-agents https://git.openstack.org/cgit/openstack/heat-agents` instead.
Here is document entry for heat-agents: `https://docs.openstack.org/heat-agents/latest/`
This directory contains `diskimage-builder <https://github.com/openstack/diskimage-builder>`_
elements to build an image which contains the software configuration hook
required to use your preferred configuration method.
These elements depend on some elements found in the
`tripleo-image-elements <https://github.com/openstack/tripleo-image-elements>`_
repository. These elements will build an image which uses
`os-collect-config <https://github.com/openstack/os-collect-config>`_,
`os-refresh-config <https://github.com/openstack/os-refresh-config>`_, and
`os-apply-config <https://github.com/openstack/os-apply-config>`_ together to
invoke a hook with the supplied configuration data, and return any outputs back
to heat.
When building an image only the elements for the preferred configuration methods are required. The heat-config element is automatically included as a dependency.
An example fedora based image containing all hooks can be built and uploaded to glance
with the following:
::
git clone https://git.openstack.org/openstack/diskimage-builder.git
git clone https://git.openstack.org/openstack/tripleo-image-elements.git
git clone https://git.openstack.org/openstack/heat-templates.git
git clone https://git.openstack.org/openstack/dib-utils.git
export PATH="${PWD}/dib-utils/bin:$PATH"
export ELEMENTS_PATH=tripleo-image-elements/elements:heat-templates/hot/software-config/elements
diskimage-builder/bin/disk-image-create vm \
fedora selinux-permissive \
os-collect-config \
os-refresh-config \
os-apply-config \
heat-config \
heat-config-ansible \
heat-config-cfn-init \
heat-config-docker-compose \
heat-config-kubelet \
heat-config-puppet \
heat-config-salt \
heat-config-script \
-o fedora-software-config.qcow2
openstack image create --disk-format qcow2 --container-format bare fedora-software-config < \
fedora-software-config.qcow2
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