openstack
/
openstack-ansible-os_magnum
Code Issues Proposed changes

Clarify cinder integration documentation 

It's often expected that OpenStack-Ansible wire things up.
While we decide if we need to wire Magnum up in group vars to
a variable that's not defined on all the deployments [1], we
should at least document how to configure os_magnum.

[1]: We could reuse the cinder_default_volume_type, but this
variable is not set in all the environments, or set only to
the cinder nodes. It would risk being wrongly wired, and not
work. This could lead to issues in the expectations.

Closes-Bug: 1721878
Change-Id: I2eca155484e8d4440ec2ece91a7c4e3e3b610950
This commit is contained in:
Jean-Philippe Evrard 2017-12-07 13:50:04 +00:00
parent 326fdb1765
commit 736d170733
1 changed files with 24 additions and 0 deletions
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doc/source/index.rst
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@ -48,6 +48,30 @@ To use this role, define the following variables:
This list is not exhaustive. See role internals for further details.
Wiring docker with cinder
~~~~~~~~~~~~~~~~~~~~~~~~~
If you need to use volumes, default_docker_volume_type should be set.
By default, Magnum doesn't need one.
To deploy Magnum with cinder integration, please set the following
in your ``/etc/openstack_deploy/user_variables.yml``:
.. code-block:: yaml
magnum_config_overrides:
cinder:
default_docker_volume_type: lvm
If you have defined cinder_default_volume_type for all your nodes,
by defining it in your user_variables, you can re-use it directly:
.. code-block:: yaml
magnum_config_overrides:
cinder:
default_docker_volume_type: "{{ cinder_default_volume_type }}"
Example playbook
~~~~~~~~~~~~~~~~