Enable codecov coverage checks

.github/workflows/main.yml

@@ -23,6 +23,7 @@ jobs:
     permissions:
       contents: read
       packages: write
+      id-token: write
     steps:
       - name: Checkout source
         uses: actions/checkout@v4
@@ -46,6 +47,15 @@ jobs:
       - name: Build operator container
         run: make docker-build docker-push
 
+      - name: Upload coverage to Codecov
+        if: always()
+        uses: codecov/codecov-action@v6
+        with:
+          files: coverage.out
+          flags: unit
+          use_oidc: true
+          fail_ci_if_error: false
+
   build-bundle:
     name: Build-bundle-image
     runs-on: ubuntu-24.04

Makefile

@@ -126,7 +126,7 @@ vet: ## Run go vet against code.
 
 .PHONY: test
 test: manifests generate fmt vet envtest ## Run tests.
-	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test $$(go list ./... | grep -v /e2e)
+	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test -coverprofile=coverage.out $$(go list ./... | grep -v /e2e)
 
 # Utilize Kind or modify the e2e tests to load the image locally, enabling compatibility with other vendors.
 .PHONY: test-e2e  # Run the e2e tests against a Kind k8s instance that is spun up.

codecov.yml

@@ -0,0 +1,15 @@
+coverage:
+  status:
+    project:
+      default:
+        target: auto
+        informational: true
+    patch:
+      default:
+        target: 70%
+        threshold: 5%
+        informational: true
+
+flag_management:
+  default_rules:
+    carryforward: true