ShiftStack/Sync Tooling Migration: Added rebasebot repository

[dlaw4608]

This is a preliminary iteration, the goal is to see a successful migration with no errors for one project migration before proceeding with a full migration for all repos/branches in ci-operator/config/shiftstack/merge-bot/shiftstack-merge-bot-main.yaml to use rebasebot.

This will be useful as merge-bot was forked a few years ago by openshift-eng team, and the resulting tool, rebasebot, is significantly more advanced.

• Chose to migrate only one repo as a first iteration, cloud-provider-openstack-main
• Builds rebasebot image from shiftstack fork
• Reuses existing credentials from merge-bot (FTM)
• cron schedule changed will occur 2 hours earlier to not overlap

Equivalent merge-bot backup will be removed when rebasebot is verified to work successfully in this PR.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: dlaw4608
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Details

Needs approval from an approver in each of these files:

• ci-operator/config/shiftstack/OWNERS
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• core-services/prow/02_config/shiftstack/OWNERS

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[openshift-ci-robot]

@dlaw4608, pj-rehearse: unable to determine affected jobs. This could be due to a branch that needs to be rebased. ERROR:

could not load configuration from candidate revision of release repo: failed to load ci-operator configuration from release repo: failed to load ci-operator config (error unmarshaling JSON: json: cannot unmarshal array into Go struct field ReleaseBuildConfiguration.images of type api.ImageConfiguration)

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.

[dlaw4608]

/retest-required

[openshift-ci-robot]

[REHEARSALNOTIFIER]
@dlaw4608: 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-shiftstack-rebasebot-main-images	shiftstack/rebasebot	presubmit	Presubmit changed
pull-ci-shiftstack-rebasebot-main-lint	shiftstack/rebasebot	presubmit	Presubmit changed
pull-ci-shiftstack-rebasebot-main-unit	shiftstack/rebasebot	presubmit	Presubmit changed
periodic-ci-shiftstack-rebasebot-main-cloud-provider-openstack-main	N/A	periodic	Periodic 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.

[openshift-ci]

@dlaw4608: all tests passed!

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