[Manual backport 2.x] Add Dynamic Config Service to Core Service (#7194)

[huyaboo]

Manual backports of #7194 #7901 and #7922

Add Dynamic Config Service to Core Service (#7194)

• Add dynamic config service to core

Signed-off-by: Huy Nguyen 73027756+huyaboo@users.noreply.github.com

• Add opensearch client implementation

Signed-off-by: Huy Nguyen 73027756+huyaboo@users.noreply.github.com

• Add descriptions for the DAO clients

Signed-off-by: Huy Nguyen 73027756+huyaboo@users.noreply.github.com

• Refactor DynamicConfigService

Signed-off-by: Huy Nguyen 73027756+huyaboo@users.noreply.github.com

• Refactor dynamic config service start

Signed-off-by: Huy Nguyen 73027756+huyaboo@users.noreply.github.com

---

Signed-off-by: Huy Nguyen 73027756+huyaboo@users.noreply.github.com
(cherry picked from commit 8a96664)

Fix issue when bootstrapping on 2.x (#7901)

• Fix issue bootstrapping dynamic config service

Signed-off-by: Huy Nguyen 73027756+huyaboo@users.noreply.github.com

• Changeset file for PR Fix issue when bootstrapping on 2.x #7901 created/updated

---

Signed-off-by: Huy Nguyen 73027756+huyaboo@users.noreply.github.com
Co-authored-by: opensearch-changeset-bot[bot] <154024398+opensearch-changeset-bot[bot]@users.noreply.github.com>
(cherry picked from commit 07504f6)

Fix mock import (#7922)

Signed-off-by: Huy Nguyen 73027756+huyaboo@users.noreply.github.com
(cherry picked from commit b370871)

Description

Issues Resolved

Screenshot

Testing the changes

Changelog

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

Attention: Patch coverage is 75.35714% with 69 lines in your changes missing coverage. Please review.

Project coverage is 61.06%. Comparing base (cf6255c) to head (98a3269).
Report is 6 commits behind head on 2.x.

Files with missing lines	Patch %	Lines
src/core/server/config/dynamic_config_service.ts	57.14%	19 Missing and 5 partials ⚠️
...server/config/service/configuration_client.mock.ts	43.47%	13 Missing ⚠️
...g/service/internal_dynamic_configuration_client.ts	71.42%	7 Missing and 3 partials ⚠️
src/core/server/config/utils/utils.ts	66.66%	10 Missing ⚠️
src/core/server/core_route_handler_context.ts	20.00%	4 Missing ⚠️
...ver/config/service/dynamic_configuration_client.ts	25.00%	3 Missing ⚠️
...ig_store_client/opensearch_config_store_factory.ts	0.00%	2 Missing ⚠️
.../core/server/config/dynamic_config_service.mock.ts	94.44%	0 Missing and 1 partial ⚠️
...fig_store_client/opensearch_config_store_client.ts	98.70%	0 Missing and 1 partial ⚠️
src/core/server/rendering/rendering_service.tsx	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.x    #7958      +/-   ##
==========================================
+ Coverage   61.01%   61.06%   +0.04%     
==========================================
  Files        3670     3682      +12     
  Lines       86748    87024     +276     
  Branches    13332    13364      +32     
==========================================
+ Hits        52931    53137     +206     
- Misses      30621    30681      +60     
- Partials     3196     3206      +10     

Flag	Coverage Δ
Linux_1	28.83% <12.04%> (-0.07%)	⬇️
Linux_2	56.34% <73.83%> (+0.18%)	⬆️
Linux_3	37.85% <14.18%> (-0.12%)	⬇️
Linux_4	29.69% <12.04%> (-0.09%)	⬇️
Windows_1	28.85% <12.04%> (-0.08%)	⬇️
Windows_2	56.29% <73.83%> (+0.18%)	⬆️
Windows_3	37.86% <14.18%> (-0.12%)	⬇️
Windows_4	29.69% <12.04%> (-0.09%)	⬇️

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