HOSTEDCP-1478: Request serving node scheduler that uses HC size label

[csrwng]

What this PR does / why we need it:
Introduces a new scheduler that is only enabled if cluster size tagging is enabled. It takes into consideration the size label of a particular hosted cluster to select nodes where the cluster's request serving pods are scheduled and applies settings configured in the cluster sizing configuration to the hosted cluster.

Which issue(s) this PR fixes (optional, use fixes #<issue_number>(, fixes #<issue_number>, ...) format, where issue_number might be a GitHub issue, or a Jira story:
Fixes #HOSTEDCP-1478

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.
• This change includes docs.
• This change includes unit tests.

[openshift-ci-robot]

@csrwng: This pull request references HOSTEDCP-1478 which is a valid jira issue.

In response to this:

What this PR does / why we need it:
Introduces a new scheduler that is only enabled if cluster size tagging is enabled. It takes into consideration the size label of a particular hosted cluster to select nodes where the cluster's request serving pods are scheduled and applies settings configured in the cluster sizing configuration to the hosted cluster.

Which issue(s) this PR fixes (optional, use fixes #<issue_number>(, fixes #<issue_number>, ...) format, where issue_number might be a GitHub issue, or a Jira story:
Fixes #HOSTEDCP-1478

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.
• This change includes docs.
• This change includes unit tests.

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[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: csrwng

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[openshift-ci-robot]

@csrwng: This pull request references HOSTEDCP-1478 which is a valid jira issue.

In response to this:

What this PR does / why we need it:
Introduces a new scheduler that is only enabled if cluster size tagging is enabled. It takes into consideration the size label of a particular hosted cluster to select nodes where the cluster's request serving pods are scheduled and applies settings configured in the cluster sizing configuration to the hosted cluster.

Which issue(s) this PR fixes (optional, use fixes #<issue_number>(, fixes #<issue_number>, ...) format, where issue_number might be a GitHub issue, or a Jira story:
Fixes #HOSTEDCP-1478

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.
• This change includes docs.
• This change includes unit tests.

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 openshift-eng/jira-lifecycle-plugin repository.

[csrwng]

@sjenning @muraee thx! comments addressed

[muraee]

lgtm

[muraee]

/lgtm

[csrwng]

/override "Red Hat Konflux / hypershift-operator-main-on-pull-request"

[openshift-ci]

@csrwng: Overrode contexts on behalf of csrwng: Red Hat Konflux / hypershift-operator-main-on-pull-request

In response to this:

/override "Red Hat Konflux / hypershift-operator-main-on-pull-request"

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[openshift-ci]

@csrwng: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-ibmcloud-roks	d326ff4	link	false	/test e2e-ibmcloud-roks
ci/prow/e2e-ibmcloud-iks	d326ff4	link	false	/test e2e-ibmcloud-iks

Full PR test history. Your PR dashboard.

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