[enhancement]: Retry enhancement in OpenStack batch creation scenarios

[gglzf4]

[enhancement]: Retry enhancement in OpenStack batch creation scenarios

When obtaining OpenStack metadata
the HTTP status of 5xx indicates a server exception and should be retried


Fixes GH-5687

Additional Context

Test Steps

Merge type

• Squash merge using "Proposed Commit Message"
• Rebase and merge unique commits. Requires commit messages per-commit each referencing the pull request number (#<PR_NUM>)

[holmanb]

Welcome @gglzf4! Please sign the CLA.

[gglzf4]

Welcome @gglzf4! Please sign the CLA.

Thank you. I'll sign it right away.

[gglzf4]

The HTTP status code >= 400 does not support retry is too general. Retry should be supported for the following HTTP status codes:
408 Request Timeout
429 Too Many Requests
500 Internal Server Error
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout

Please help review it! @holmanb @TheRealFalcon

[github-actions]

Hello! Thank you for this proposed change to cloud-init. This pull request is now marked as stale as it has not seen any activity in 14 days. If no activity occurs within the next 7 days, this pull request will automatically close.

If you are waiting for code review and you are seeing this message, apologies! Please reply, tagging TheRealFalcon, and he will ensure that someone takes a look soon.

(If the pull request is closed and you would like to continue working on it, please do tag TheRealFalcon to reopen it.)

[holmanb]

Thanks @gglzf4. This looks good to me!