Adding allowlist setting for ingest-useragent and ingest-geoip processors

[saratvemulapalli]

Description

Added allow list setting to enable/disable processors for ingest-useragent and ingest-geoip.
Also, added another test to verify invalid processors cannot be specified for ingest-common.

Related Issues

This is a follow up of : #14479
The original PR only covered ingest-common, while this PR completes all ingest modules included from OpenSearch.

Check List

• Functionality includes testing.
• Public documentation issue/PR created. This would require changes to public docs, I'll send out a PR.

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 result for 3494bb3: 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 324be45: 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 1120f02: 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 eb67b20: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 97.43590% with 1 line in your changes missing coverage. Please review.

Project coverage is 71.91%. Comparing base (b6b0403) to head (de1783c).
Report is 1 commits behind head on main.

Files	Patch %	Lines
...ensearch/ingest/geoip/IngestGeoIpModulePlugin.java	95.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #15325      +/-   ##
============================================
- Coverage     71.96%   71.91%   -0.06%     
+ Complexity    63300    63238      -62     
============================================
  Files          5214     5214              
  Lines        295943   295979      +36     
  Branches      42754    42756       +2     
============================================
- Hits         212977   212843     -134     
- Misses        65531    65659     +128     
- Partials      17435    17477      +42     

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[owaiskazi19]

LGTM

[github-actions]

✅ Gradle check result for de1783c: SUCCESS

[opensearch-trigger-bot]

The backport to 2.x failed:

The process '/usr/bin/git' failed with exit code 128

To backport manually, run these commands in your terminal:

# Navigate to the root of your repository
cd $(git rev-parse --show-toplevel)
# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add ../.worktrees/OpenSearch/backport-2.x 2.x
# Navigate to the new working tree
pushd ../.worktrees/OpenSearch/backport-2.x
# Create a new branch
git switch --create backport/backport-15325-to-2.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 d5a6c0bffe405e97021bf7405a92d2c9b050245c
# Push it to GitHub
git push --set-upstream origin backport/backport-15325-to-2.x
# Go back to the original working tree
popd
# Delete the working tree
git worktree remove ../.worktrees/OpenSearch/backport-2.x

Then, create a pull request where the base branch is 2.x and the compare/head branch is backport/backport-15325-to-2.x.