Add more Remote Migration Integration Tests

[gbbafna]

Description

Adds more remote migration integ tests

1. Replica recovery
2. Failover to docrep copy
3. End to end testing with refresh/flush , covering primary-replica relocation
4. Minor refactoring

Related Issues

Resolves none.

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Failing checks are inspected and point to the corresponding known issue(s) (See: Troubleshooting Failing Builds)
• Commits are signed per the DCO using --signoff
• [] Commit changes are listed out in CHANGELOG.md file (See: Changelog)
• Public documentation issue/PR created

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]

Compatibility status:

Checks if related components are compatible with change 308e485

Incompatible components

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/flow-framework.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/opensearch-oci-object-storage.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/performance-analyzer.git]

[github-actions]

❕ Gradle check result for 42c2d5c: UNSTABLE

• TEST FAILURES:

      1 org.opensearch.indices.replication.SegmentReplicationTargetServiceTests.testShardAlreadyReplicating

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

All modified and coverable lines are covered by tests ✅

Project coverage is 71.57%. Comparing base (b15cb0c) to head (1f8555d).
Report is 221 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #13115      +/-   ##
============================================
+ Coverage     71.42%   71.57%   +0.15%     
- Complexity    59978    60801     +823     
============================================
  Files          4985     5044      +59     
  Lines        282275   285721    +3446     
  Branches      40946    41378     +432     
============================================
+ Hits         201603   204504    +2901     
- Misses        63999    64324     +325     
- Partials      16673    16893     +220     

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[github-actions]

❌ Gradle check result for 6ea49c8: 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 eaa92ac: 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 093e46e: FAILURE

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[github-actions]

❌ Gradle check result for 308e485: FAILURE

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[github-actions]

❌ Gradle check result for 37de6d3: 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 de1fe5e: FAILURE

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[github-actions]

❌ Gradle check result for de1fe5e: 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 2a89e4e: 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 26e1839: 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 3fd1e7d: SUCCESS

[github-actions]

✅ Gradle check result for 1f8555d: SUCCESS