This allows the install type for the project to be different than
kolla_install_type

This can be used to avoid hitting bug 1786238, since kuryr only supports
the source type.

Change-Id: I2b6fc85bac092b1614bccfd22bee48442c55dda4
Closes-Bug: #1786238

We don't add extra volumes support for all services in patch [1].
In order to unify the management of the volume, so we need add extra volumes
support for these services.

[1] https://opendev.org/openstack/kolla-ansible/commit/12ff28a69351cf8ab4ef3390739e04862ba76983



Change-Id: Ie148accdd8e6c60df6b521d55bda12b850c0d255
Partially-Implements: blueprint support-extra-volumes
Signed-off-by: ZijianGuo <guozijn@gmail.com>

This commit is the final commit to apply resource-constraints
to all OpenStack services.

Depends-on: I39004f54281f97d53dfa4b1dbcf248650ad6f186
Change-Id: I072d69be9698be54775cb0ae286ea2b6ed78776c
Implements: blueprint resource-constraints

This change allows the following use cases:

1. Using an already-configured MariaDB / MySQL server / Cluster
2. Using already-created DB users, without requiring root DB access.

Update: added external mariadb precheck

Change-Id: I78b0d178306d7c5293b0bf53e445f19f18b4b824
Implements: blueprint external-mariadb-support.
Closes-Bug: #1603121

through the database_address has beed defined in groups_vars/all.yml, we should
better use it, this way, if we want to use external database, we just need to
redefined in all.yml

refer to https://github.com/openstack/kolla-ansible/blob/master/ansible/group_vars/all.yml#L83


Co-Authored-By: chenqiaomin <chen.qiaomin@99cloud.net>

Change-Id: Ie559301451954e16347ceaabf02f594c5c5cbe56

Change-Id: I2fb2f4cd88638dfc5ccc261a0b113094cba60715
Partially-implements: blueprint better-reconfigure

Change-Id: I647c38adbfd00c70874cf51c0bfcb68d243e26cc
Partially-Implements: blueprint rally-role