Add: codecov configuration.

Signed-off-by: xuezhaojun <zxue@redhat.com>

.codecov.yml

@@ -0,0 +1,10 @@
+coverage:
+  status:
+    patch: off # disable patch status, https://docs.codecov.com/docs/commit-status#patch-status
+    project:
+      default:
+        target: auto
+        threshold: 1%
+
+ignore:
+  - "**/*generated*.go"

.github/workflows/pre.yml

@@ -68,6 +68,15 @@ jobs:
           go-version: ${{ env.GO_VERSION }}
       - name: unit
         run: make test
+      - name: report coverage
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_UPLOAD_TOKEN }}
+          files: ./cover.out
+          flags: unit
+          name: unit
+          verbose: true
+          fail_ci_if_error: true
 
   integration:
     name: integration