TripleO currently relies on Kolla docker containers. Kolla supports container
customization and we are making use of this feature within TripleO to inject
-puppet (our configuration tool of choice) into the Kolla base images. To
-build Kolla images for TripleO adjust your kolla config to build your
+puppet (our configuration tool of choice) into the Kolla base images. The
+undercloud nova-scheduler also requires openstack-tripleo-common to
+provide custom filters.
+
+To build Kolla images for TripleO adjust your kolla config to build your
centos base image with puppet using the example below:
.. code-block::
$ cat template-overrides.j2
{% extends parent_template %}
{% set base_centos_binary_packages_append = ['puppet'] %}
+{% set nova_scheduler_packages_append = ['openstack-tripleo-common'] %}
kolla-build --base centos --template-override template-overrides.j2
'docker_image' above but some containers share a common set of
config files which are generated in a common base container.
+ * docker_puppet_tasks: This section provides data to drive the
+ docker-puppet.py tool directly. The task is executed only once
+ within the cluster (not on each node) and is useful for several
+ puppet snippets we require for initialization of things like
+ keystone endpoints, database users, etc. See docker-puppet.py
+ for formatting.
+
Docker steps
------------
Similar to baremetal docker containers are brought up in a stepwise manner.