Reduce 5.0 control-plane-120nodes frequency and disable cudn churn jobs

[mohit-sheth]

Summary

• control-plane-120nodes: reduce from 4x/week (Sun,Tue,Thu,Sat) to 2x/week (Tue,Sat)
• cudn-pod-churn-250-24nodes: disable (set always_run: false)
• cudn-churn-250-24nodes: disable (set always_run: false)

All changes in the 5.0 nightly config only. IPsec jobs remain unchanged.

[coderabbitai]

Walkthrough

The AWS 5.0 nightly PerfScale configuration changes the control-plane-120nodes schedule to Tuesdays and Saturdays. It disables scheduled execution for two CUDN churn jobs by removing their cron schedules and setting always_run: false.

Changes

PerfScale schedule updates

Layer / File(s)	Summary
Update PerfScale schedules and job state ci-operator/config/openshift-eng/ocp-perfscale/...	The control-plane job runs on Tuesdays and Saturdays. The two CUDN churn jobs no longer have cron schedules and are disabled by default.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• openshift/release#82984: Modifies related OCP PerfScale AWS nightly job schedules.
• openshift/release#83209: Disables selected PerfScale cron jobs with always_run: false.
• openshift/release#83210: Modifies AWS PerfScale job scheduling in another release configuration.

Suggested labels: lgtm, rehearsals-ack

Suggested reviewers: droslean, hector-vido, redhat-chai-bot

🚥 Pre-merge checks | ✅ 15

✅ Passed checks (15 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Stable And Deterministic Test Names	✅ Passed	The PR changes only YAML CI schedules and generated Prow job metadata; it adds or changes no Ginkgo It(), Describe(), Context(), or When() test titles.
Test Structure And Quality	✅ Passed	The PR changes only three YAML configuration/generated-job files; no Ginkgo test code or It/BeforeEach/AfterEach/Eventually calls are changed, so this check is not applicable.
Microshift Test Compatibility	✅ Passed	The patch changes only three CI YAML configuration/generated job files; it adds no Ginkgo e2e tests or MicroShift-incompatible API usage.
Single Node Openshift (Sno) Test Compatibility	✅ Passed	The pull request changes only CI YAML files and adds no Ginkgo e2e tests or test declarations, so SNO compatibility checks do not apply.
Topology-Aware Scheduling Compatibility	✅ Passed	The patch changes only ci-operator profile and generated Prow job YAML; it adds or modifies no deployment manifests, operator code, controllers, or topology scheduling constraints.
Ote Binary Stdout Contract	✅ Passed	The commit changes only three CI configuration YAML files; no OTE binary source, process-level setup, or stdout-writing code changed.
Ipv6 And Disconnected Network Test Compatibility	✅ Passed	The commit changes only YAML CI configuration and generated Prow job files; it adds no Ginkgo tests, IPv4 assumptions, or external connectivity requirements.
No-Weak-Crypto	✅ Passed	The effective diff changes cron and always_run settings plus generated job metadata; it adds no MD5, SHA1, DES, RC4, Blowfish, ECB, custom crypto, or secret comparisons.
Container-Privileges	✅ Passed	The full PR diff changes schedules and job enablement only; no added line contains privileged, hostPID, hostNetwork, hostIPC, SYS_ADMIN, root, or allowPrivilegeEscalation settings.
No-Sensitive-Data-In-Logs	✅ Passed	The commit changes YAML schedules and job metadata only; added lines contain no sensitive literals or logging statements, and report templates expose only job state and a templated log URL.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the reduced control-plane schedule and disabled CUDN churn jobs in the changeset.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[afcollins]

let's leave this one please

[afcollins]

Or reduce to 24 nodes

[mohit-sheth]

#83216
did it here

[openshift-merge-bot]

[REHEARSALNOTIFIER]
@mohit-sheth: the pj-rehearse plugin accommodates running rehearsal tests for the changes in this PR. Expand 'Interacting with pj-rehearse' for usage details. The following rehearsable tests have been affected by this change:

Test name	Repo	Type	Reason
pull-ci-openshift-eng-ocp-perfscale-main-aws-5.0-nightly-x86-cudn-churn-250-24nodes	openshift-eng/ocp-perfscale	presubmit	Presubmit changed
pull-ci-openshift-eng-ocp-perfscale-main-aws-5.0-nightly-x86-cudn-pod-churn-250-24nodes	openshift-eng/ocp-perfscale	presubmit	Presubmit changed
periodic-ci-openshift-eng-ocp-perfscale-main-aws-5.0-nightly-x86-control-plane-120nodes	N/A	periodic	Ci-operator config changed

Interacting with pj-rehearse

Comment: /pj-rehearse to run up to 5 rehearsals
Comment: /pj-rehearse skip to opt-out of rehearsals
Comment: /pj-rehearse {test-name}, with each test separated by a space, to run one or more specific rehearsals
Comment: /pj-rehearse more to run up to 10 rehearsals
Comment: /pj-rehearse max to run up to 25 rehearsals
Comment: /pj-rehearse auto-ack to run up to 5 rehearsals, and add the rehearsals-ack label on success
Comment: /pj-rehearse list to get an up-to-date list of affected jobs
Comment: /pj-rehearse abort to abort all active rehearsals
Comment: /pj-rehearse network-access-allowed to allow rehearsals of tests that have the restrict_network_access field set to false. This must be executed by an openshift org member who is not the PR author

Once you are satisfied with the results of the rehearsals, comment: /pj-rehearse ack to unblock merge. When the rehearsals-ack label is present on your PR, merge will no longer be blocked by rehearsals.
If you would like the rehearsals-ack label removed, comment: /pj-rehearse reject to re-block merging.

[mohit-sheth]

/pj-rehearse ack

[openshift-merge-bot]

@mohit-sheth: now processing your pj-rehearse request. Please allow up to 10 minutes for jobs to trigger or cancel.

[afcollins]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: afcollins, mohit-sheth

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[openshift-ci]

@mohit-sheth: all tests passed!

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