octavia/doc/source/admin/octavia-status.rst
akhiljain23 c60931f4b4 Add framework for octavia-status upgrade check
This commit adds the functionality of octavia-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: I8b6d134b0bf5b5c82a19177fed6145ef8aaf7507
Story: 2003657
Task: 26146
2018-11-12 14:41:14 +05:30

84 lines
1.9 KiB
ReStructuredText

==============
octavia-status
==============
-----------------------------------------
CLI interface for Octavia status commands
-----------------------------------------
Synopsis
========
::
octavia-status <category> <command> [<args>]
Description
===========
:program:`octavia-status` is a tool that provides routines for checking the
status of a Octavia deployment.
Options
=======
The standard pattern for executing a :program:`octavia-status` command is::
octavia-status <category> <command> [<args>]
Run without arguments to see a list of available command categories::
octavia-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::
octavia-status upgrade
These sections describe the available categories and arguments for
:program:`octavia-status`.
Upgrade
~~~~~~~
.. _octavia-status-checks:
``octavia-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**
**4.0.0 (Stein)**
* Sample check to be filled in with checks as they are added in Stein.