generate work name by hash

Signed-off-by: Garrybest <garrybest@foxmail.com>

pkg/util/hash/hash.go

@@ -0,0 +1,15 @@
+package hash
+
+import (
+	"hash"
+
+	"github.com/kr/pretty"
+)
+
+// DeepHashObject writes specified object to hash using the pretty library
+// which follows pointers and prints actual values of the nested objects
+// ensuring the hash does not change when a pointer changes.
+func DeepHashObject(hasher hash.Hash, objectToWrite interface{}) {
+	hasher.Reset()
+	pretty.Fprintf(hasher, "%# v", objectToWrite)
+}

pkg/util/names/names.go

@@ -2,7 +2,12 @@ package names
 
 import (
 	"fmt"
+	"hash/fnv"
 	"strings"
+
+	"k8s.io/apimachinery/pkg/util/rand"
+
+	hashutil "github.com/karmada-io/karmada/pkg/util/hash"
 )
 
 const (
@@ -45,17 +50,22 @@ func GetClusterName(executionSpaceName string) (string, error) {
 	return strings.TrimPrefix(executionSpaceName, executionSpacePrefix), nil
 }
 
-// GenerateBindingName will generate binding name by namespace, kind and name
+// GenerateBindingName will generate binding name by kind and name
 func GenerateBindingName(kind, name string) string {
 	return strings.ToLower(name + "-" + kind)
 }
 
-// GenerateWorkName will generate work name by namespace, kind and name
+// GenerateWorkName will generate work name by its name and the hash of its namespace, kind and name.
 func GenerateWorkName(kind, name, namespace string) string {
+	var workName string
 	if len(namespace) == 0 {
-		return strings.ToLower(name + "-" + kind)
+		workName = strings.ToLower(name + "-" + kind)
+	} else {
+		workName = strings.ToLower(namespace + "-" + name + "-" + kind)
 	}
-	return strings.ToLower(namespace + "-" + name + "-" + kind)
+	hash := fnv.New32a()
+	hashutil.DeepHashObject(hash, workName)
+	return fmt.Sprintf("%s-%s", name, rand.SafeEncodeString(fmt.Sprint(hash.Sum32())))
 }
 
 // GenerateServiceAccountName generates the name of a ServiceAccount.