Files
watcher/doc/source/man/watcher-status.rst
akhiljain23 d621f72730 Add framework for watcher-status upgrade check
This commit adds the functionality of watcher-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: Ic3d066af439797d6f705e805334f729b52ce3aac
Story: 2003657
Task: 26164
2018-10-22 13:51:56 +05:30

84 lines
1.9 KiB
ReStructuredText

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