[Remote Store] Add S3 async upload utilities and models

[raghuvanshraj]

Credits: @vikasvb90 and @itiyamas for the design and core implementations of the feature.

Description

[Describe what this change achieves]

Issues Resolved

[List any issues this PR will resolve]

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)

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 (Jenkins) Run Completed with:

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• URL: https://build.ci.opensearch.org/job/gradle-check/14211/
• CommitID: 1b6db1f
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[github-actions]

Gradle Check (Jenkins) Run Completed with:

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• URL: https://build.ci.opensearch.org/job/gradle-check/14499/
• CommitID: e29d3b6
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[github-actions]

Gradle Check (Jenkins) Run Completed with:

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[gbbafna]

Still continuing with the review. these are quite involved changes and would need a comprehensive test plan/coverage as well .

[github-actions]

Gradle Check (Jenkins) Run Completed with:

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• URL: https://build.ci.opensearch.org/job/gradle-check/16210/
• CommitID: 530d43e
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Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/16269/
• CommitID: 4e5d98a
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[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.search.backpressure.SearchBackpressureIT.testSearchTaskCancellationWithHighCpu
      1 org.opensearch.backwards.MixedClusterClientYamlTestSuiteIT.test {p0=tasks.list/10_basic/tasks_list test}

• URL: https://build.ci.opensearch.org/job/gradle-check/16282/
• CommitID: 6c12571
  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

Merging #7217 (7ebc460) into main (7dddb31) will decrease coverage by 0.05%.
The diff coverage is 77.19%.

@@             Coverage Diff              @@
##               main    #7217      +/-   ##
============================================
- Coverage     70.95%   70.90%   -0.05%     
- Complexity    57056    57098      +42     
============================================
  Files          4759     4768       +9     
  Lines        269691   270169     +478     
  Branches      39454    39495      +41     
============================================
+ Hits         191359   191564     +205     
- Misses        62184    62412     +228     
- Partials      16148    16193      +45     

Impacted Files	Coverage Δ
...a/org/opensearch/repositories/s3/SocketAccess.java	100.00% <ø> (ø)
...sitories/s3/async/AsyncTransferEventLoopGroup.java	46.15% <46.15%> (ø)
...org/opensearch/repositories/s3/S3AsyncService.java	69.49% <69.49%> (ø)
...ch/repositories/s3/async/AsyncTransferManager.java	73.79% <73.79%> (ø)
...search/repositories/s3/AmazonAsyncS3Reference.java	83.33% <83.33%> (ø)
...earch/repositories/s3/async/AsyncPartsHandler.java	86.53% <86.53%> (ø)
.../repositories/s3/async/AsyncExecutorContainer.java	87.50% <87.50%> (ø)
.../repositories/s3/AmazonAsyncS3WithCredentials.java	100.00% <100.00%> (ø)
...g/opensearch/repositories/s3/S3ClientSettings.java	80.63% <100.00%> (+3.52%)	⬆️
...pensearch/repositories/s3/async/UploadRequest.java	100.00% <100.00%> (ø)
... and 1 more

... and 476 files with indirect coverage changes

[github-actions]

Gradle Check (Jenkins) Run Completed with:

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[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/16824/
• CommitID: 6aad504
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[github-actions]

Gradle Check (Jenkins) Run Completed with:

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• URL: https://build.ci.opensearch.org/job/gradle-check/16830/
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[github-actions]

Gradle Check (Jenkins) Run Completed with:

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• URL: https://build.ci.opensearch.org/job/gradle-check/17653/
• CommitID: f06995b
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[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/20024/
• CommitID: 13559da
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[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      2 org.opensearch.remotestore.SegmentReplicationUsingRemoteStoreIT.testDropPrimaryDuringReplication

• URL: https://build.ci.opensearch.org/job/gradle-check/20027/
• CommitID: 7ebc460
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.