tacker/doc/source/cli/tacker-status.rst
akhiljain23 fb06b7c96c Add framework for tacker-status upgrade check
This commit adds the functionality of tacker-status CLI for performing
upgrade checks as part of the Stein cycle upgrade-checkers goal.
It only includes a sample check which must be replaced by real checks in
future.

Change-Id: I7bb127fa10dd168ab24dd8c42013576f84eadfbb
Story: 2003657
Task: 26158
2018-10-26 09:07:04 +00:00

100 lines
2.5 KiB
ReStructuredText

..
Copyright (c) 2018 NEC, Corp.
All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may
not use this file except in compliance with the License. You may obtain
a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations
under the License.
=============
tacker-status
=============
----------------------------------------
CLI interface for Tacker status commands
----------------------------------------
Synopsis
========
::
tacker-status <category> <command> [<args>]
Description
===========
:program:`tacker-status` is a tool that provides routines for checking the
status of a Tacker deployment.
Options
=======
The standard pattern for executing a :program:`tacker-status` command is::
tacker-status <category> <command> [<args>]
Run without arguments to see a list of available command categories::
tacker-status
Categories are:
* ``upgrade``
Detailed descriptions are below:
You can also run with a category argument such as ``upgrade`` to see a list of
all commands in that category::
tacker-status upgrade
These sections describe the available categories and arguments for
:program:`tacker-status`.
Upgrade
~~~~~~~
.. _tacker-status-checks:
``tacker-status upgrade check``
Performs a release-specific readiness check before restarting services with
new code. For example, missing or changed configuration options,
incompatible object states, or other conditions that could lead to
failures while upgrading.
**Return Codes**
.. list-table::
:widths: 20 80
:header-rows: 1
* - Return code
- Description
* - 0
- All upgrade readiness checks passed successfully and there is nothing
to do.
* - 1
- At least one check encountered an issue and requires further
investigation. This is considered a warning but the upgrade may be OK.
* - 2
- There was an upgrade status check failure that needs to be
investigated. This should be considered something that stops an
upgrade.
* - 255
- An unexpected error occurred.
**History of Checks**
**0.11.0 (Stein)**
* Sample check to be filled in with checks as they are added in Stein.