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44 lines
1.5 KiB
ReStructuredText
44 lines
1.5 KiB
ReStructuredText
.. _configure_openstack_environment:
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Configure environment
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#####################
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Before continuing with the installation process, it's important to understand:
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* The :file:`hosts` file; this file defines the roles your machines play in the
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overall scheme of your network mapping.
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**Note**: For more in-depth information, see :ref:`openstack_env_inventory_file`
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* The ``group_vars/all`` structuring can be used to override variable
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values. **Note**: For more in-depth information, see :ref:`openstack_conf_vars_about`
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Once you understand these components and are comfortable modifying them to affect
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the network configuration, you can proceed as follows:
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#. Copy ``/usr/share/ansible/examples/openstack`` to your working directory.
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#. Move into the copied directory.
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#. Edit the :file:`hosts` file to specify node roles.
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#. Edit the contents under ``group_vars/all`` to set passwords and other needed
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variables. **Note**: Default variables exist for every role in the
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:file:`roles/<role>/defaults/main.yml` file. To override a default, define
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it with specifications under ``group_vars/all``.
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Run the installer
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=================
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Finally, you can run the installer.
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#. Run the installer as follows, replacing ``<ssh_key>`` with the key you've
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previously set up::
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$ ansible-playbook -i hosts openstack_deployment.yml --private-key=<ssh_key>
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After running the previous command you should see the output of the tasks
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that are running.
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At the end of the execution Ansible* will display a summary of the results.
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