[Backport 2.x] Query insights plugin implementation (#11903)

[ansjcy]

Backporting #11903 to 2.x

---

Signed-off-by: Chenyang Ji [email protected]
(cherry picked from commit 3cbf54e)

Description

[Describe what this change achieves]

Related Issues

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

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 615dd22

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

[github-actions]

❕ Gradle check result for 615dd22: UNSTABLE

• TEST FAILURES:

      2 org.opensearch.remotestore.RemoteIndexPrimaryRelocationIT.testPrimaryRelocationWhileIndexing
      1 org.opensearch.remotestore.SegmentReplicationUsingRemoteStoreIT.testIndexReopenClose

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: 66 lines in your changes are missing coverage. Please review.

Comparison is base (40ad938) 71.11% compared to head (615dd22) 71.14%.
Report is 1 commits behind head on 2.x.

Files	Patch %	Lines
...in/insights/core/service/QueryInsightsService.java	54.16%	17 Missing and 5 partials ⚠️
...plugin/insights/rules/model/SearchQueryRecord.java	51.16%	15 Missing and 6 partials ⚠️
...lugin/insights/core/service/TopQueriesService.java	87.67%	4 Missing and 5 partials ⚠️
...search/plugin/insights/rules/model/MetricType.java	77.77%	2 Missing and 2 partials ⚠️
...opensearch/action/search/SearchRequestSlowLog.java	0.00%	4 Missing ⚠️
...pensearch/plugin/insights/QueryInsightsPlugin.java	66.66%	3 Missing ⚠️
...action/search/SearchRequestOperationsListener.java	0.00%	2 Missing ⚠️
...lugin/insights/settings/QueryInsightsSettings.java	90.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #12199      +/-   ##
============================================
+ Coverage     71.11%   71.14%   +0.02%     
- Complexity    59663    59750      +87     
============================================
  Files          4922     4929       +7     
  Lines        281137   281349     +212     
  Branches      41177    41202      +25     
============================================
+ Hits         199941   200168     +227     
+ Misses        64235    64193      -42     
- Partials      16961    16988      +27     

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