Remove unused function (#2517)

pkg/engine/mutate/overlay.go

@@ -227,11 +227,11 @@ func applyOverlayToMap(resourceMap, overlayMap map[string]interface{}, path stri
 func applyOverlayToArray(resource, overlay []interface{}, path string) ([][]byte, error) {
 	var appliedPatches [][]byte
 
-	if 0 == len(overlay) {
+	if len(overlay) == 0 {
 		return nil, errors.New("Empty array detected in the overlay")
 	}
 
-	if 0 == len(resource) {
+	if len(resource) == 0 {
 		// If array resource is empty, insert part from overlay
 		patch, err := insertSubtree(overlay, path)
 		if err != nil {

pkg/engine/validate/validate.go

@@ -8,7 +8,6 @@ import (
 	"github.com/go-logr/logr"
 	"github.com/kyverno/kyverno/pkg/engine/anchor"
 	"github.com/kyverno/kyverno/pkg/engine/common"
-	"github.com/kyverno/kyverno/pkg/engine/operator"
 	"github.com/kyverno/kyverno/pkg/engine/wildcards"
 )
 
@@ -241,11 +240,3 @@ func validateArrayOfMaps(log logr.Logger, resourceMapArray []interface{}, patter
 	}
 	return "", nil
 }
-
-func isStringIsReference(str string) bool {
-	if len(str) < len(operator.ReferenceSign) {
-		return false
-	}
-
-	return str[0] == '$' && str[1] == '(' && str[len(str)-1] == ')'
-}

pkg/engine/variables/evaluate_test.go

@@ -1562,7 +1562,7 @@ func Test_Eval_Equal_Var_Pass(t *testing.T) {
 	err = json.Unmarshal(conditionJSON, &conditionMap)
 	assert.Nil(t, err)
 
-	conditionWithResolvedVars, err := SubstituteAllInPreconditions(log.Log, ctx, conditionMap)
+	conditionWithResolvedVars, _ := SubstituteAllInPreconditions(log.Log, ctx, conditionMap)
 	conditionJSON, err = json.Marshal(conditionWithResolvedVars)
 	assert.Nil(t, err)
 

pkg/leaderelection/leaderelection.go

@@ -38,7 +38,6 @@ type Interface interface {
 type Config struct {
 	name              string
 	namespace         string
-	id                string
 	startWork         func()
 	stopWork          func()
 	kubeClient        kubernetes.Interface

scripts/create-e2e-infrastruture.sh

@@ -1,4 +1,3 @@
-
 #!/bin/sh
 set -e
 

test/e2e/validate/validate_test.go

@@ -19,8 +19,6 @@ var (
 	policyGVR = e2e.GetGVR("kyverno.io", "v1", "clusterpolicies")
 	// Namespace GVR
 	namespaceGVR = e2e.GetGVR("", "v1", "namespaces")
-	// ConfigMap GVR
-	cmGVR = e2e.GetGVR("", "v1", "configmaps")
 
 	crdGVR = e2e.GetGVR("apiextensions.k8s.io", "v1", "customresourcedefinitions")