[Backport 2.x] add IT flow agent with search index tool

[opensearch-trigger-bot]

Backport 99e75aa from #2448

[dhrubo-os]

WAIT, why it's failing the tests? Please check.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.08%. Comparing base (d37f636) to head (d37f636).
Report is 13 commits behind head on 2.x.

❗ Current head d37f636 differs from pull request most recent head 1f39ba9

Please upload reports for the commit 1f39ba9 to get more accurate results.

Additional details and impacted files

@@            Coverage Diff            @@
##                2.x    #2460   +/-   ##
=========================================
  Coverage     81.08%   81.08%           
  Complexity     5989     5989           
=========================================
  Files           565      565           
  Lines         24821    24821           
  Branches       2619     2619           
=========================================
  Hits          20127    20127           
  Misses         3587     3587           
  Partials       1107     1107           

Flag	Coverage Δ
ml-commons	81.08% <0.00%> (ø)

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[yuye-aws]

WAIT, why it's failing the tests? Please check.

From the error log, it seems to be an import issue due to http:

import org.apache.hc.core5.http.ParseException;

[yuye-aws]

@jngz-es Can you double confirm?

[ylwu-amzn]

WAIT, why it's failing the tests? Please check.

From the error log, it seems to be an import issue due to http:

import org.apache.hc.core5.http.ParseException;

The class org.apache.hc.core5.http.ParseException doesn't exist in 2.x branch.