Added golangci-lint action (#197)

* added golangci-lint action

* linters

* cleanup linters

* fix error, increase timeout

* removed unnecessary call to Stringer

.github/workflows/test.yaml

@@ -9,6 +9,23 @@ permissions:
     contents: read
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - uses: actions/setup-go@v5
+      with:
+        go-version-file: go.mod
+
+    - name: golangci-lint
+      uses: golangci/golangci-lint-action@v6
+      with:
+        args: --timeout=5m
+        version: v1.60
+
   tests:
     runs-on: ubuntu-latest
 

.golangci.yml

@@ -0,0 +1,9 @@
+linters:
+  enable:
+  # default linters
+  - errcheck
+  - gosimple
+  - govet
+  - ineffassign
+  - staticcheck
+  - unused

k3k-kubelet/controller/handler.go

@@ -109,7 +109,7 @@ func (c *ControllerHandler) RemoveResource(ctx context.Context, obj client.Objec
 	ctrl, ok := c.controllers[obj.GetObjectKind().GroupVersionKind()]
 	c.RUnlock()
 	if !ok {
-		return fmt.Errorf("no controller found for gvk" + obj.GetObjectKind().GroupVersionKind().String())
+		return fmt.Errorf("no controller found for gvk %s", obj.GetObjectKind().GroupVersionKind())
 	}
 	return ctrl.RemoveResource(ctx, obj.GetNamespace(), obj.GetName())
 }