Add metrics for provisioning nodes

[eiabea]

What this PR does / why we need it:

Adds 2 new buckets to the /metrics endpoint about provisioning

• machine_controller_provisioning_time_seconds
• machine_controller_deprovisioning_time_seconds

Which issue(s) this PR fixes:

Fixes #1332

What type of PR is this?
/kind feature

Special notes for your reviewer:

As previously discussed in the ticket #1332 here is our announced PR

Does this PR introduce a user-facing change? Then add your Release Note here:

Added machine_controller_provisioning_time_seconds and machine_controller_deprovisioning_time_seconds metrics to the machine controller

Documentation:

NONE

[kubermatic-bot]

Hi @eiabea. Thanks for your PR.

I'm waiting for a kubermatic member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[ahmedwaleedmalik]

/ok-to-test
/assign @ahmedwaleedmalik

[ahmedwaleedmalik]

/approve

Thanks for the contribution, it looks great. 🎊

[kubermatic-bot]

LGTM label has been added.

Git tree hash: b40689d983c9d00c032603f6582c6163d11fce18

[kubermatic-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ahmedwaleedmalik, eiabea

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• OWNERS [ahmedwaleedmalik]

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[LittleFox94]

Oh wow, that was fast - nice :)

[eiabea]

@ahmedwaleedmalik thank you for the fast approval! Is it possible to get this PR backported to 1.54?

[ahmedwaleedmalik]

/cherry-pick release/v1.54

[kubermatic-bot]

@ahmedwaleedmalik: new pull request created: #1574

In response to this:

/cherry-pick release/v1.54

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/test-infra repository.

[ahmedwaleedmalik]

@eiabea you'll need to manually backport this. The automated backport won't work #1574

github.com/kubermatic/machine-controller/pkg/cloudprovider
github.com/kubermatic/machine-controller/pkg/controller/machine
# github.com/kubermatic/machine-controller/pkg/controller/machine
pkg/controller/machine/machine_controller.go:470:76: time.Until(machine.CreationTimestamp.Time).Abs undefined (type time.Duration has no field or method Abs)
pkg/controller/machine/machine_controller.go:613:78: time.Until(machine.DeletionTimestamp.Time).Abs undefined (type time.Duration has no field or method Abs)

v1.54 uses GO 1.18.