chore(migration): refactor hardcoded repo and images (#2172, #2181)

[zdrapela]

Description

Refactor repo name and image.

• Repository: janus-idp/backstage-showcase => redhat-developer/rhdh
• Quay.io:janus-idp/backstage-showcase => rhdh-community/rhdh

This fixes this error caused by having hardcoded variables and the repo migration:

cp: cannot stat '/tmp/backstage-showcase/e2e-tests/test-results/*': No such file or directory

Should fix also:

Timed out waiting for Docker image redhat-developer/rhdh:pr-2179-3b39bd3a. Time elapsed: 50 minute(s).

Which issue(s) does this PR fix

• Fixes RHIDP-5497, RHIDP-5555

Please make sure that the following steps are complete:

• GitHub Actions are completed and successful
• Unit Tests are updated and passing
• E2E Tests are updated and passing
• Documentation is updated if necessary (requirement for new features)
• Add a screenshot if the change is UX/UI related

How to test changes / Special notes to the reviewer

[zdrapela]

/retest

[josephca]

/lgtm
/approve

[josephca]

@zdrapela please refer to the comment: #2174 (comment)

Latest images are at https://quay.io/repository/rhdh-community/rhdh?tab=tags&tag=latest instead of in the janus-idp/backstage-showcase quay location. Please update accordingly.

[openshift-ci]

New changes are detected. LGTM label has been removed.

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: josephca

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Needs approval from an approver in each of these files:

• .ibm/OWNERS [josephca]
• e2e-tests/OWNERS [josephca]

Approvers can indicate their approval by writing /approve in a comment
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[github-actions]

The image is available at:

• quay.io/rhdh-community/rhdh:pr-2173 or
• quay.io/rhdh-community/rhdh:pr-2173-0e62cf80

[zdrapela]

/test e2e-tests

[zdrapela]

/test e2e-tests

[github-actions]

The image is available at:

• quay.io/rhdh-community/rhdh:pr-2173 or
• quay.io/rhdh-community/rhdh:pr-2173-67354663

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

The image is available at:

• quay.io/rhdh-community/rhdh:pr-2173 or
• quay.io/rhdh-community/rhdh:pr-2173-d0f7f922

[zdrapela]

/retest

[zdrapela]

/retest

[openshift-ci]

@zdrapela: The following test 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-tests	d0f7f92	link	true	/test e2e-tests

Full PR test history. Your PR dashboard.

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-sigs/prow repository. I understand the commands that are listed here.

[zdrapela]

Closing in favor of #2192