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

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

add environment parameter to handlers restart etcd container as
there are env parameters in default

Closes-Bug: #1669089

Change-Id: I99266e7a367cb54c77b3d3da35ba5055acd98f62

Co-Authored-By: caoyuan <cao.yuan@99cloud.net>
Change-Id: I1cd494afd3a76e832272e70e9e1e5a41a522a31e
Partially-implements: blueprint better-reconfigure

Change-Id: Ic1b1dcb535dd6dc67bcf165d74c0046c5d12c4c1
Partially-implements: blueprint condition-pre-check

During configuration file generation one uses local variable
api_interface that reference remote host. Instead we should
use hostvars to find out correct interface name for each host
mentioned in configuration.

Change-Id: I9f64fdf2cd18bcc0bbf1c4193349186d9a7658bc
Closes-Bug: #1650195

* Merge prechecks.yml and site.yml playbook
* Create empty precheck.yml into all roles.

Change-Id: I8a138558a26c0a2a66c5fd48ed37be657c99c1dd
Implements: blueprint condition-pre-check

Add /etc/localtime:/etc/localtime:ro to volume for aodh, barbican, etcd,
gnocchi, kuryr and sahara.
All the containers are added in Netwon cycle, so no need to backport

Closes-Bug: #1633049
Change-Id: I9cdba54cf730af44fb1a9ff6f2c936d23dadbe9a

do_reconfigure.yml is introduced to use serial directive. But we use
it in wrong. Now serial has moved to playbook file. So it is time to
remove the do_reconfigure.yml file

Closes-Bug: #1628152
Change-Id: I8d42d27e6bc302a0e575b0353956eaef9b2ca9fd

Closes-bug: #1624881

Change-Id: I1901089b09a7c0e519243f9f6399566a5f5d0d31

Change-Id: If8351ab3000006323a05924e907f1e3745768304
Co-Authored-By: zhubingbing <zhubingbing10@gmail.com&gt;>
Partially-implements: bp kuryr-docker-plugin