Add gofmt linting to ci

.github/workflows/go-ci.yml

@@ -22,6 +22,13 @@ jobs:
       with:
         go-version: '1.23'
 
+    # Only run in this linux based runner
+    - name: Check Formatting
+      run: |
+        if [ "$(gofmt -l . | grep -v 'event/.*_test.go' | wc -l)" -gt 0 ]; then
+          gofmt -l . | grep -v 'event/.*_test.go'
+          exit 1
+        fi
     # cache simple-responder to save the build time
     - name: Restore Simple Responder
       id: restore-simple-responder

llama-swap.go

@@ -133,7 +133,7 @@ func main() {
 							ReloadingState: proxy.ReloadingStateStart,
 						})
 					} else if changeEvent.Name == filepath.Join(configDir, "..data") && changeEvent.Has(fsnotify.Create) {
-						// the change for k8s configmap 
+						// the change for k8s configmap
 						event.Emit(proxy.ConfigFileChangedEvent{
 							ReloadingState: proxy.ReloadingStateStart,
 						})