Implement missing methods for EncryptedBlobStore and EncryptedBlobContainer

[skumawat2025]

Description

Implement missing methods IsBlobMetadataEnabled(), readBlobWithMetadata() for EncryptedBlobStore and EncryptedBlobContainer. These methods were introduced as part of #13091

Related Issues

Resolves #[Issue number to be closed when this PR is merged]

Check List

• Functionality includes testing.
• [ ] API changes companion pull request created, if applicable.
• [ ] Public documentation issue/PR created, if applicable.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

❌ Gradle check result for 1be954e: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for 9e924dc: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for 9c4ac19: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for 84b523e: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❕ Gradle check result for a1b612b: UNSTABLE

Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 71.63%. Comparing base (b15cb0c) to head (60f4594).
Report is 374 commits behind head on main.

Files	Patch %	Lines
...pensearch/common/blobstore/EncryptedBlobStore.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #14030      +/-   ##
============================================
+ Coverage     71.42%   71.63%   +0.20%     
- Complexity    59978    61395    +1417     
============================================
  Files          4985     5071      +86     
  Lines        282275   288407    +6132     
  Branches      40946    41764     +818     
============================================
+ Hits         201603   206586    +4983     
- Misses        63999    64767     +768     
- Partials      16673    17054     +381     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[ashking94]

Can we see if we can add UTs atleast for this change?

[github-actions]

❌ Gradle check result for 3233952: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for 54147fd: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for 83035db: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

✅ Gradle check result for 60f4594: SUCCESS

[ashking94]

thanks for adding the tests.