Fix the issues that devops credentials cannot be deleted

Signed-off-by: rick <1450685+LinuxSuRen@users.noreply.github.com>

pkg/controller/utils/hash.go

@@ -0,0 +1,34 @@
+package utils
+
+import (
+	"fmt"
+	"github.com/davecgh/go-spew/spew"
+	"hash"
+	"hash/fnv"
+	"k8s.io/apimachinery/pkg/util/rand"
+)
+
+// ComputeHash computes hash value of a interface
+func ComputeHash(obj interface{}) string {
+	hasher := fnv.New32a()
+	deepHashObject(hasher, obj)
+	return rand.SafeEncodeString(fmt.Sprint(hasher.Sum32()))
+}
+
+// deepHashObject writes specified object to hash using the spew library
+// which follows pointers and prints actual values of the nested objects
+// ensuring the hash does not change when a pointer changes.
+// **Notice**
+// we don't want to import k8s.io/kubernetes as a module, but this is a very small function
+// so just copy it from k8s.io/kubernetes@v1.14.0/pkg/util/hash/hash.go
+// **Notice End**
+func deepHashObject(hasher hash.Hash, objectToWrite interface{}) {
+	hasher.Reset()
+	printer := spew.ConfigState{
+		Indent:         " ",
+		SortKeys:       true,
+		DisableMethods: true,
+		SpewKeys:       true,
+	}
+	printer.Fprintf(hasher, "%#v", objectToWrite)
+}