Useful api_interface_address variable has been define here:
https://github.com/openstack/kolla-ansible/blob/master/ansible/group_vars/all.yml#L57
In order to simplify codebase we must use it as much as possible.

Change-Id: I18fec19bf69e05a22a4142a9cd1165eccd022455

wait_for module waits 300 seconds for the port started or stopped.  This
is meaningless and useless in precheck. This patch change timeout to 1
seconds.

Change-Id: I9b251ec4ba17ce446655917e8ef5e152ef947298
Closes-Bug: #1688152

Freezer service configuration can't be override has describe here:
https://github.com/openstack/kolla-ansible/blob/master/doc/advanced-configuration.rst#L161

Kolla-ansible should look for files in /etc/kolla/config/ but it doesn't
take config files into account. This patch fix it.

Change-Id: Ia7d8d0892d13ba9785951a7b1291abb868fc714b
Closes-Bug: #1682404

Freezer doesn't use notification

Change-Id: If28e6940310096221c0f645995e96f7d34dd4f3e

Add a new subcommand 'check' to kolla-ansible, used to run the
smoke/sanity checks.

Add stub files to all services that don't currently have checks.

Change-Id: I9f661c5fc51fd5b9b266f23f6c524884613dee48
Partially-implements: blueprint sanity-check-container

freezer dont't user rabbitmq

https://github.com/openstack/freezer-api/blob/master/etc/freezer/freezer-api.conf.sample

Change-Id: I90a76275ab256ba8fc1c6d332e67af29fcbc22ef

Change-Id: I14ba906cb688c935351ef296badccf720b0267f0
Closes-Bug: #1665195

Change-Id: I0ea1927fff651bf8fd64a156b86c1378aa4d9d7c
Closes-Bug: #1664936

Closes-Bug: #1662068

Change-Id: I57d4df3ccb70471d8509fcffb351bd254fec567b

Change-Id: I1577cc3afef4dadd3a188c8ba749c9cdfad313ae

Usernames can be configured with variables in
configuration files, but user creation is hardcoded.

Change-Id: I057cfb921d776217db66f59226dcfa79f3eb7368
Closes-Bug: #1661587

Co-Authored-By: caoyuan <cao.yuan@99cloud.net>
Co-Authored-By: zhubingbing <zhubingbing10@gmail.com>

Change-Id: I419f7ceb219ea9643cfd225c130018f967ddd860
Partially-implements: bp freezer-ansible-role