Add provision for labels and annotations in E2E tests.

[priyansh17]

Summary

This PR enhances the Velero E2E test framework by adding support for custom pod labels and service account annotations. These can now be passed as CLI flags during test execution and will be propagated to the Velero deployment during installation.

Why is this change being made?

This change enables:

• Workload Identity Configuration: Allows setting up workload identity for Velero in test environments by adding necessary annotations to the service account
• Pod Labeling: Enables adding custom labels to Velero pods for test isolation, resource management, or compliance requirements
• Enhanced Test Flexibility: Provides better control over Velero deployment configuration in different test environments

What changed?

Modified Files:

1. test/Makefile - Added POD_LABELS and SA_ANNOTATIONS variables to pass to E2E tests
2. test/e2e/e2e_suite_test.go - Added CLI flag definitions for --pod-labels and --sa-annotations
3. test/types.go - Extended VeleroConfig struct with new fields
4. test/util/velero/install.go - Added logic to append labels/annotations to velero install command
5. test/util/velero/velero_utils.go - Maps configuration to install options

Usage Example:

make run-e2e POD_LABELS="app=velero,env=test" SA_ANNOTATIONS="iam.gke.io/[email protected]"

Testing

• Tested E2E tests with custom labels and annotations
• Verified labels appear on deployed Velero pods
• Verified annotations appear on Velero service account
• Tested with empty/unset values to ensure backward compatibility

Notes

• Values are passed as comma-separated key=value pairs
• No validation is currently performed on the format of labels/annotations
• Empty values are handled gracefully (no flags added to install command)

Fixes: No specific GitHub issue

Please indicate you've done the following:

• Accepted the DCO. Commits without the DCO will delay acceptance.

/kind changelog-not-required

[priyansh17]

/kind changelog-not-required

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.29%. Comparing base (b0b5cc4) to head (3da348c).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9043   +/-   ##
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  Coverage   60.29%   60.29%           
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  Files         378      378           
  Lines       42729    42729           
=======================================
  Hits        25763    25763           
  Misses      15417    15417           
  Partials     1549     1549           

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[kaovilai]

LGTM! Clean implementation that adds useful E2E test configuration options for pod labels and service account annotations.