During cleanup-host, we need remove swift references from fstab.

Change-Id: I18e9a84b0664eb834cf397bcf6d2406abcab47a7
Closes-Bug: #1689285

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

Change-Id: Id8f9881a4991da085cec93d7e38e8911dce043f0

kolla-ansible destroy properly fails if qemu processes
are running in compute nodes.
Manually executing ./cleanup-container won't because
$COMPUTE variable is not defined anywhere.

Change-Id: I304c59ec682a93035e631490bbba7b355b1fcae2
Closes-Bug: #1656864

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

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

Currently, when there are some qemu processes which may be some useful
virtual machines running by the operator running on non compute node, the
cleanup script will fail the cleanup operation for that node. We need to
ignore the qemu process check for non compute nodes.

Change-Id: If49a1a30764063935b2a65312de8f3b2357c7fbc
Closes-bug: 1633005

This patch removes VIPs when 'kolla-ansible destroy' is invoked.

Change-Id: I263b9bc852c7bc3448a6a15b3115b1f226071afc
Closes-Bug: #1605442

The cleanup command in the external API is a misnomer and should
be called destroy.

Change-Id: I083e80699e09bb24266ce1bf549772a5de92a49e
Closes-Bug: 1610364