cluster_autoscaler_failed_scale_ups_total metric is missing from metrics until an event is registered

[elmiko]

Which component are you using?:

cluster-autoscaler

What version of the component are you using?:

Component version: 1.29

What k8s version are you using (kubectl version)?:

1.29

What environment is this in?:

n/a

What did you expect to happen?:

metric should be initialized so that the zero value can be seen in prometheus data.

What happened instead?:

metric does not appear until it has been updated.

How to reproduce it (as minimally and precisely as possible):

1. start the CA
2. curl the metrics endpoint and grep for cluster_autoscaler_failed_scale_ups_total

Anything else we need to know?:

this should be fairly straightforward to fix.

[elmiko]

/area cluster-autoscaler

[elmiko]

/help-wanted
/good-first-issue

[k8s-ci-robot]

@elmiko:
This request has been marked as suitable for new contributors.

Guidelines

Please ensure that the issue body includes answers to the following questions:

• Why are we solving this issue?
• To address this issue, are there any code changes? If there are code changes, what needs to be done in the code and what places can the assignee treat as reference points?
• Does this issue have zero to low barrier of entry?
• How can the assignee reach out to you for help?

For more details on the requirements of such an issue, please see here and ensure that they are met.

If this request no longer meets these requirements, the label can be removed
by commenting with the /remove-good-first-issue command.

In response to this:

/help-wanted
/good-first-issue

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[thiha-min-thant]

Hi @elmiko , could you please assign to me? Thanks!

[JoelSpeed]

/assign @thiha-min-thant