Awareness attribute decommission backports

[imRishN]

Description

Backports following PRs from Decommission Project -

1. Add DecommissionService and helper to execute awareness attribute decommissioning #4084
2. Add APIs (GET/PUT) to decommission awareness attribute #4261
3. Controlling discovery for decommissioned nodes #4590
4. Fix decommission status update to non leader nodes #4800
5. Remove redundant field from GetDecommissionStateResponse #4751
6. Service Layer changes for Recommission API #4320
7. Recommission api level support #4604
8. Fix bug in AwarenessAttributeDecommissionIT #4822

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.
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[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/5839/
• CommitID: 1263b35
  Please examine the workflow log, locate, and copy-paste the failure below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/5865/
• CommitID: 8c5377d

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/5984/
• CommitID: f27d3fe

[codecov-commenter]

Codecov Report

Merging #4970 (f27d3fe) into 2.x (26abe78) will increase coverage by 0.00%.
The diff coverage is 54.61%.

@@            Coverage Diff             @@
##                2.x    #4970    +/-   ##
==========================================
  Coverage     70.65%   70.66%            
- Complexity    57658    57829   +171     
==========================================
  Files          4620     4645    +25     
  Lines        276220   276891   +671     
  Branches      40422    40490    +68     
==========================================
+ Hits         195171   195671   +500     
- Misses        64771    64894   +123     
- Partials      16278    16326    +48     

Impacted Files	Coverage Δ
.../delete/DeleteDecommissionStateRequestBuilder.java	0.00% <0.00%> (ø)
...reness/get/GetDecommissionStateRequestBuilder.java	0.00% <0.00%> (ø)
...sion/awareness/put/DecommissionRequestBuilder.java	0.00% <0.00%> (ø)
.../org/opensearch/client/support/AbstractClient.java	33.25% <0.00%> (-1.01%)	⬇️
...rg/opensearch/common/settings/ClusterSettings.java	91.89% <ø> (ø)
...eness/get/TransportGetDecommissionStateAction.java	23.07% <23.07%> (ø)
...arch/cluster/decommission/DecommissionService.java	29.22% <29.22%> (ø)
...rg/opensearch/cluster/coordination/JoinHelper.java	85.56% <33.33%> (-1.74%)	⬇️
...r/decommission/DecommissioningFailedException.java	33.33% <33.33%> (ø)
...on/awareness/get/GetDecommissionStateResponse.java	42.85% <42.85%> (ø)
... and 512 more

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[Bukhtawar]

Is this the only place we have versioning enabled? What happens to clusters running mixed version 2.0 and 2.4 lets say

[imRishN]

Two more places -

DECOMMISSIONING_FAILED_EXCEPTION(
            org.opensearch.cluster.decommission.DecommissioningFailedException.class,
            org.opensearch.cluster.decommission.DecommissioningFailedException::new,
            163,
            V_2_4_0
        ),
        NODE_DECOMMISSIONED_EXCEPTION(
            org.opensearch.cluster.decommission.NodeDecommissionedException.class,
            org.opensearch.cluster.decommission.NodeDecommissionedException::new,
            164,
            V_2_4_0
        );