[Backport 2.x] AdmissionControl Framework with CPU Based Admission Controller

[ajaymovva]

Description

1. BackPort: Added changes for AdmissionControl Interceptor and AdmissionControlService for RateLimiting #9286
2. BackPort: Integrate CPU AC with ResourceUsageCollector and add CPU AC stats to nodes/stats #10887
3. Changes for Stats to update version to 2.11
4. Resolved few minor Conflicts on below files:

Node.java
NodeService for Stats 

Related Issues

RFC: #8910
MetaIssue: #9504

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

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[github-actions]

Compatibility status:

Checks if related components are compatible with change 972ad9c

Incompatible components

Incompatible components: [https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/performance-analyzer.git]

Skipped components

Compatible components

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

[github-actions]

❌ Gradle check result for e711b5d: 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 4bcffde: FAILURE

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[github-actions]

❌ Gradle check result for b44b3d4: FAILURE

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[github-actions]

❌ Gradle check result for b44b3d4: FAILURE

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[github-actions]

❕ Gradle check result for 04f9073: UNSTABLE

• TEST FAILURES:

      1 org.opensearch.remotestore.RemoteIndexPrimaryRelocationIT.testPrimaryRelocationWhileIndexing

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

[github-actions]

❌ Gradle check result for 56adfb1: FAILURE

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[github-actions]

❌ Gradle check result for 0d4e402: FAILURE

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[github-actions]

❌ Gradle check result for 3d283a2: FAILURE

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[github-actions]

❌ Gradle check result for 76b88e1: FAILURE

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[github-actions]

❌ Gradle check result for 76b88e1: 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 972ad9c: UNSTABLE

• TEST FAILURES:

      1 org.opensearch.search.SearchWeightedRoutingIT.testShardRoutingWithNetworkDisruption_FailOpenEnabled
      1 org.opensearch.search.SearchWeightedRoutingIT.testMultiGetWithNetworkDisruption_FailOpenEnabled

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

[jed326]

@ajaymovva I believe the bwc for this needs to be fixed on main still:

OpenSearch/server/src/main/java/org/opensearch/action/admin/cluster/node/stats/NodeStats.java

Lines 232 to 237 in 52b27f4

	// TODO: change to V_2_12_0 on main after backport to 2.x
	if (in.getVersion().onOrAfter(Version.V_3_0_0)) {
	admissionControlStats = in.readOptionalWriteable(AdmissionControlStats::new);
	} else {
	admissionControlStats = null;
	}

This is going to break all the builds to main until it is resolved:

• https://build.ci.opensearch.org/job/gradle-check/33396/
• https://build.ci.opensearch.org/job/gradle-check/33393/

FYI @reta @sohami

[kotwanikunal]

@ajaymovva I believe the bwc for this needs to be fixed on main still:

OpenSearch/server/src/main/java/org/opensearch/action/admin/cluster/node/stats/NodeStats.java

Lines 232 to 237 in 52b27f4

	// TODO: change to V_2_12_0 on main after backport to 2.x
	if (in.getVersion().onOrAfter(Version.V_3_0_0)) {
	admissionControlStats = in.readOptionalWriteable(AdmissionControlStats::new);
	} else {
	admissionControlStats = null;
	}

This is going to break all the builds to main until it is resolved:

• https://build.ci.opensearch.org/job/gradle-check/33396/
• https://build.ci.opensearch.org/job/gradle-check/33393/

FYI @reta @sohami

Raised a PR for the fix (hopefully): #12201