✨ update metrics port

[cpanato]

What this PR does / why we need it:
Update metrics port based on the conversation here: #1487 (comment)

/assign @ncdc @vincepri

[k8s-ci-robot]

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: cpanato
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[ncdc]

I'm not crazy about changing the metrics port. Anyone who has an existing CAPI/CAPA deployment along with some monitoring will have to reconfigure things. I think leaving it alone probably is the best thing right now. @vincepri would you agree?
/hold

[vincepri]

I know the flag to customize the metrics port came in v1alpha2, but do we expose any metrics? In other words, I'm trying to understand if the metrics endpoint has been used at all

[ncdc]

Good point. We don't have any in CAPA. There are some in CAPI, but they need refinement and are not particularly useful today.

[vincepri]

The CAPI metrics have been added in v1alpha3, we should be good updating these ports imo kubernetes-sigs/cluster-api#1736

[vincepri]

/ok-to-test

[ncdc]

@vincepri did we make a decision on this?

[vincepri]

We documented the ports here https://github.com/kubernetes-sigs/cluster-api/blob/master/docs/book/src/reference/ports.md, we should reuse the same imo

[ncdc]

So close this?

[vincepri]

Correct, seems CAPA is already using the correct ports.

/close

[k8s-ci-robot]

@vincepri: Closed this PR.

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In response to this:

Correct, seems CAPA is already using the correct ports.

/close

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