the sahara service-type is data-processing,not data_processing
if use data_processing,the sahara client will take mistake.
refer to [1]

[1] https://docs.openstack.org/sahara/latest/install/installation-guide.html#common-installation-steps


Co-Authored-By: zhulingjie <easyzlj@gmail.com>

Change-Id: I4c6704a81921bf713073451dc4e93e44234e5a7c

task file name for prechecks is precheck.yml so rename prechecks.yml to
precheck.yml for ovsdpdk.

Closes-Bug: #1774758

Change-Id: I51415ae4dd0f0fcbe45310ba27cad479ba62bac6
Signed-off-by: Wonil Choi <wonil22.choi@samsung.com>

Allows users to develop on ironic using Kolla.

Partially implements: blueprint mount-sources

Change-Id: I74540f5bcbf723f097f3dea96dcaf067834c493a

Using rabbitmq service defined in default when
boot rabbitmq_bootstrap.
Not a bug here, just an enhancement.

Change-Id: I79f0f7efe3308ed4eb898b85a6370be1bd637d9a

Change-Id: I8dca3e04d12c7da97f23ff9a297b692f86bbc85b

Some options can't be add in the daemon.json
The only way to configure daemon is to add option in the service file

Change-Id: I88697951ed6518f62bca30bb52288ad0e487ec03

freezer-scheduer container will run on freezer-scheduler hosts[0],
but it missing in site.yml, when freezer-api and freezer-scheduler
run on different hosts, it will failed.

[0]: https://github.com/openstack/kolla-ansible/blob/master/ansible/inventory/multinode#L376

Change-Id: I1bd36c7c57345ee63cd153df8bd0603badf0d8a2

This fixes an issue with cmd2 >= 0.9.0 requiring python3.

Change-Id: I5f88f0b0540785f8e7b7ab7c5252c6a51f314922
Closes-Bug: #1773938

Using mariadb service defined in default when boot bootstrap_mariadb
Not a bug here, just an enhancement.

Change-Id: I1f8b51fb6177a8524483e600701924dbfc3403cb

In common role, when check common container for cron restart,
we should use cron_container.changed instead of
check_common_containers.changed

Change-Id: Ifaaa437f5e205e970371fbb3660b68df352eb440
Closes-Bug: #1773923

cAdvisor (Container Advisor) provides metrics on resource usage and
performance characteristics of running containers.  This change
deploys a cadvisor container and configures prometheus to scrape
data from it.

Change-Id: I55dd4fee954f9be68efda397746861ddaaa0a565
Partially-Implements: blueprint prometheus

1. Now, the aodh use [service_credentials] to get credentials[0],
remove the unused [keystone_authtoken]
2. Move memcache stuff into service_credentials section

refer to https://review.openstack.org/#/c/570393/

Change-Id: I08cf3ec4e9ca32cc83d74bd4204e7e170b01feb7

1. when set heat_dev_mode to no, the volume will be empty[0],
this ps to avoid creating empty volume.

[0]: https://github.com/openstack/kolla-ansible/blob/master/ansible/roles/heat/defaults/main.yml#L13

Change-Id: Id22469442a4713f53646ffec2c5a960722fccb44

When enable_ironic_ipxe is set in /etc/kolla/globals.yml,
the following happens:

- a new docker container, ironic_ipxe, is created. This contains
  an apache webserver used to serve up the boot images
- ironic is configured to use ipxe

Change-Id: I08fca1864a00afb768494406c49e968920c83ae7
Implements: blueprint ironic-ipxe

Change-Id: I0e8b4b443a0659e75a80de1dd1f6418ff2793d2f
Closes-Bug: #1771257

This patch adds the prometheus_memcached_exporter[0] to the
list of  available exporters, following the conventions
used by the previously integrated exporters.

[0] https://github.com/openstack/kolla/tree/master/docker/prometheus-memcached-exporter



Change-Id: I103b0ee19ef2fd17ce19a27d60773675ad234c1c
Closes-Bug: #1773303
Signed-off-by: Jorge Niedbalski <jorge.niedbalski@linaro.org>