MULTIARCH-6034: Increase memory limits for integration tests

[AnnaZivkovic]

The integration test pipeline was failing in two ways:

1. Out of Memory (OOM): Tests running with the race detector were being killed mid-execution when the memory limit (4Gi) was exceeded. This issue appeared after recent dependency updates (particularly cilium/ebpf and Go
   module updates between commits 6c31432 and fc4c55f).

2. Group Test Incompatibility: The pipeline used fieldRef to access PAC annotations (pac.test.appstudio.openshift.io/source-repo-url and pac.test.appstudio.openshift.io/sha), which works for component tests but not
   for group tests. Group tests don't populate these annotations, causing the pipeline to fail with "URL and REVISION must be set".

Changes

1. Increased Memory Limits

• Memory limit: 4Gi → 8Gi
• Memory requests: 1Gi → 2Gi

The race detector increases memory usage by 5-10x, and the updated dependencies require more memory during test execution.

2. Updated to Use SNAPSHOT Parameter (New Konflux Standard)

Converted from PAC annotation-based approach to the Konflux-standard SNAPSHOT parameter:

• Primary: Extracts git URL and revision from the SNAPSHOT parameter using Python JSON parsing
• Fallback: For group tests where git info isn't in the SNAPSHOT parameter, fetches the Snapshot Kubernetes resource and extracts component information
• No external dependencies: Uses Python (built into golang-builder image) instead of jq

3. Support for Both Test Types

• ✅ Component tests: Works with SNAPSHOT parameter containing git source info
• ✅ Group tests: Falls back to fetching Snapshot resource when needed
• Automatically installs oc client if needed to query Snapshot resources

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[AnnaZivkovic]

/retest

[openshift-ci-robot]

@AnnaZivkovic: This pull request references MULTIARCH-6034 which is a valid jira issue.

Details

In response to this:

Tests were being OOMed with 4Gi limit when running with race detector after recent dependency updates. Doubling to 8Gi to accommodate increased memory usage from cilium/ebpf and other vendor updates

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[AnnaZivkovic]

/retest

[AnnaZivkovic]

/retest

[AnnaZivkovic]

Pipeline passes: https://konflux-ui.apps.stone-prd-rh01.pg1f.p1.openshiftapps.com/ns/multiarch-tuning-ope-tenant/applications/multiarch-tuning-operator-v1-x/pipelineruns/multiarch-tuning-operator-v1-x-integration-tests-mdgm6

Unfortunately, there is no built-in way to make the IntegrationTestScenario dynamically fetch the pipeline definition from a Pull Request branch without modifying the resource. So the integration test will fail until merged.

[AnnaZivkovic]

/retest

[openshift-ci]

@AnnaZivkovic: all tests passed!

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