zun-status <category> <command> [<args>]
zun-status is a tool that provides routines for checking the status of a Zun deployment.
The standard pattern for executing a zun-status command is:
zun-status <category> <command> [<args>]
Run without arguments to see a list of available command categories:
zun-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:
zun-status upgrade
These sections describe the available categories and arguments for zun-status.
zun-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
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
3.0.0 (Stein)
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