Add Codecov CI upload and project configuration

[ibm-adarsh]

#130
Upload cover.out from unit tests on pull requests and main pushes.

Summary by CodeRabbit

• New Features

  • Automated code coverage uploads on pushes and pull requests with branch/patch checks, coverage thresholds, and PR comments showing coverage and diffs.

• Documentation

  • Contributing guide updated to explain the automated coverage workflow and threshold expectations.

• Chores

  • Added CI workflow and coverage configuration, including coverage precision, reporting ranges, and ignored paths.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: ibm-adarsh
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[k8s-ci-robot]

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: c1109a44-1805-4f7b-b046-45aaa3d6fa57

📥 Commits

Reviewing files that changed from the base of the PR and between d4d85eb and 6c0ed14.

📒 Files selected for processing (3)

• .codecov.yml
• .github/workflows/codecov.yaml
• site-src/contributing/index.md

✅ Files skipped from review due to trivial changes (1)

• site-src/contributing/index.md

🚧 Files skipped from review as they are similar to previous changes (1)

• .codecov.yml

---

📝 Walkthrough

Walkthrough

Adds Codecov integration: a GitHub Actions workflow runs tests and uploads cover.out on pushes and PRs to main. A .codecov.yml file defines reporting rules, PR comment layout, and ignores generated/applyconfiguration files. Contributor docs note the CI coverage behavior.

Changes

Codecov Integration

Layer / File(s)	Summary
CI workflow for Codecov uploads .github/workflows/codecov.yaml	Workflow triggers on push and PR to main, checks out code, sets up Go from go.mod, runs go mod tidy and make test to generate coverage, then uploads cover.out to Codecov with a pinned action (codecov/codecov-action v6.0.0).
Codecov reporting configuration .codecov.yml	Sets coverage precision to 2 decimals with downward rounding, configures status checks for project and patch (enabled with targets), disables per-change status evaluation, sets PR comment layout (header, diff), notifies after 1 build, and ignores **/zz_generated.*.go and **/applyconfiguration/**.
Contributing documentation update site-src/contributing/index.md	Adds a CI coverage bullet explaining that pushes and PRs to main upload cover.out to Codecov and lists the configured coverage thresholds.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Poem

🐰 A rabbit hops through coverage lands,
With Codecov's banner in its hands,
Each test run leaves a shining trace,
Generated code finds a gentle place,
Contributors follow the mapped-out strands.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically summarizes the main change: adding Codecov CI upload configuration and project setup files (.codecov.yml and codecov.yaml workflow).
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[codecov]

Welcome to Codecov 🎉

Once you merge this PR into your default branch, you're all set! Codecov will compare coverage reports and display results in all future pull requests.

Thanks for integrating Codecov - We've got you covered ☂️

[ibm-adarsh]

https://app.codecov.io/github/kubernetes-sigs/mcp-lifecycle-operator/commit/d4d85eb22b0172010b950ba4464542a5a333013b

[coderabbitai]

Actionable comments posted: 2

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In @.github/workflows/codecov.yaml:
- Around line 34-35: The CODECOV_TOKEN environment is being set unconditionally
for the codecov/codecov-action upload step which fails on fork PRs where the
secret is unavailable; update the upload step (the step that sets CODECOV_TOKEN)
to skip execution when the token is empty by adding a conditional guard (e.g.,
an if that checks secrets.CODECOV_TOKEN != '' or similar) so the upload is
skipped for forked PRs, leaving the rest of the workflow intact.
- Around line 19-20: The checkout step named "Clone the code" currently uses
actions/checkout without disabling credential persistence; update that step (the
actions/checkout@... usage) to include a with: persist-credentials: false
setting so GITHUB_TOKEN is not left configured for later Git commands.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 7f8b7262-ea14-406b-ba7c-0eefcbe59868

📥 Commits

Reviewing files that changed from the base of the PR and between b7521b0 and d4d85eb.

📒 Files selected for processing (3)

• .codecov.yml
• .github/workflows/codecov.yaml
• site-src/contributing/index.md

[ibm-adarsh]

#130 Upload cover.out from unit tests on pull requests and main pushes.

Summary by CodeRabbit

• New Features

  • Automated code coverage uploads triggered on pull requests and pushes to main, with PR comments displaying coverage metrics and file-level diffs.
  • Configurable coverage precision and reporting ranges with threshold policies.

• Documentation

  • Updated contributing guide to document the automated coverage workflow for developers.

• Chores

  • Added Codecov configuration and GitHub Actions workflow for coverage reporting.

Reference: https://github.com/kubernetes-sigs/secrets-store-csi-driver/blob/main/.github/workflows/codecov.yaml

[ibm-adarsh]

Govul check fix: #228

[ibm-adarsh]

@aliok , Please take a look once you get sometime.

[Cali0707]

@ibm-adarsh can you add the codecov into the existing test workflow? Otherwise we are duplicating that test execution between two workflows for no need