Using OpenStack-Ansible within your project

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Using OpenStack-Ansible within your project

Including OpenStack-Ansible in your project

Including the openstack-ansible repository within another project can be done in several ways:

  • A git submodule pointed to a released tag.
  • A script to automatically perform a git checkout of OpenStack-Ansible.

When including OpenStack-Ansible in a project, consider using a parallel directory structure as shown in the ansible.cfg files section.

Also note that copying files into directories such as env.d or conf.d should be handled via some sort of script within the extension project.

Including OpenStack-Ansible with your Ansible structure

You can create your own playbook, variable, and role structure while still including the OpenStack-Ansible roles and libraries by setting environment variables or by adjusting /usr/local/bin/openstack-ansible.rc.

The relevant environment variables for OpenStack-Ansible are as follows:

This variable should point to /etc/ansible/plugins/library. Doing so allows roles and playbooks to access OpenStack-Ansible's included Ansible modules.
This variable should point to /etc/ansible/roles by default. This allows Ansible to properly look up any OpenStack-Ansible roles that extension roles may reference.
This variable should point to openstack-ansible/inventory/ With this setting, extensions have access to the same dynamic inventory that OpenStack-Ansible uses.

The paths to the openstack-ansible top level directory can be relative in this file.

Consider this directory structure:

|- custom_stuff
|  |
|  |- playbooks
|- openstack-ansible
|  |
|  |- playbooks

The environment variables set would use ../openstack-ansible/playbooks/<directory>.

Adding new or overriding roles in your OpenStack-Ansible installation

By default OpenStack-Ansible uses its ansible-role-requirements file to fetch the roles it requires for the installation process.

The roles will be fetched into the standard ANSIBLE_ROLES_PATH, which defaults to /etc/ansible/roles.

ANSIBLE_ROLE_FILE is an environment variable pointing to the location of a YAML file which ansible-galaxy can consume, specifying which roles to download and install. The default value for this is ansible-role-requirements.yml.

You can override the ansible-role-requirement file used by defining the environment variable ANSIBLE_ROLE_FILE before running the script.

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