Onboard repo code coverage metrics

[prudhvigodithi]

Description

Onboard repo code coverage metrics and mechanism to link with existing release metrics.

"_source": {
    "coverage": 43.41,
    "current_date": "2024-10-28T17:54:41.742113549",
    "component": "customImportMapDashboards",
    "id": "b10b960e-b31f-3cb1-9a55-5e87ed2ade6b",
    "commitid": "511840ae5ca900610d521aad311677445269055f",
    "state": "complete",
    "repository": "dashboards-maps",
    "release_version": "2.18.0",
    "release_state": "open",
    "version": "2.18.0",
    "branch": "2.18",
    "url": "https://api.codecov.io/api/v2/github/opensearch-project/repos/dashboards-maps/commits?branch=2.18"
  },

  "_source": {
    "coverage": 0,
    "current_date": "2024-10-28T17:54:41.742113549",
    "component": "OpenSearch",
    "id": "09c026db-49b3-3502-ae80-717c6db4b8e1",
    "commitid": "none",
    "state": "no-coverage",
    "repository": "OpenSearch",
    "release_version": "2.18.0",
    "release_state": "open",
    "version": "2.18.0",
    "branch": "2.18",
    "url": "https://api.codecov.io/api/v2/github/opensearch-project/repos/OpenSearch/commits?branch=2.18"
  },

Issues Resolved

Part of #51 and #90

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[codecov]

Codecov Report

Attention: Patch coverage is 93.44262% with 8 lines in your changes missing coverage. Please review.

Project coverage is 86.58%. Comparing base (6c900a3) to head (3a1cffd).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...opensearchmetrics/model/codecov/CodeCovResult.java	87.50%	4 Missing ⚠️
.../opensearchmetrics/metrics/MetricsCalculation.java	94.11%	2 Missing ⚠️
...va/org/opensearchmetrics/dagger/MetricsModule.java	0.00%	1 Missing ⚠️
...ensearchmetrics/model/codecov/CodeCovResponse.java	90.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #93      +/-   ##
============================================
+ Coverage     84.53%   86.58%   +2.04%     
- Complexity      228      271      +43     
============================================
  Files            61       64       +3     
  Lines          1371     1491     +120     
  Branches         56       58       +2     
============================================
+ Hits           1159     1291     +132     
+ Misses          189      177      -12     
  Partials         23       23              

☔ View full report in Codecov by Sentry.
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[peterzhuamazon]

Seems like we need to increase the test coverage of this PR?

[prudhvigodithi]

Seems like we need to increase the test coverage of this PR?

Let me see @peterzhuamazon, the codecov complains missing coverage for single lines in middle of the code,