Enable export and import of SDN configuration

resolves #269 (closed)

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

controller/nucleus/principalNetworkDomain_test.go

@@ -120,7 +120,7 @@ func Test_pndImplementation_AddNetworkElement(t *testing.T) {
 				t.Error(err)
 			}
 
-			_, err := pnd.AddNetworkElement(tt.args.name, tt.args.opts, defaultSbiID, uuid.Nil)
+			_, err := pnd.AddNetworkElement(tt.args.name, tt.args.opts, defaultSbiID)
 			if (err != nil) != tt.wantErr {
 				t.Errorf("AddNetworkElement() error = %v, wantErr %v", err, tt.wantErr)
 			}
@@ -469,11 +469,11 @@ func Test_pndImplementation_RemoveSbiWithAssociatedNetworkElements(t *testing.T)
 			if err := pnd.addSbi(&OpenConfig{id: defaultSbiID}); err != nil {
 				t.Error(err)
 			}
-			_, err = pnd.AddNetworkElement("associatedNetworkElement", opts, tt.args.id, uuid.Nil)
+			_, err = pnd.AddNetworkElement("associatedNetworkElement", opts, tt.args.id)
 			if err != nil {
 				t.Error(err)
 			}
-			_, err = pnd.AddNetworkElement("associatedNetworkElement2", opts, tt.args.id, uuid.Nil)
+			_, err = pnd.AddNetworkElement("associatedNetworkElement2", opts, tt.args.id)
 			if err != nil {
 				t.Error(err)
 			}
@@ -482,7 +482,7 @@ func Test_pndImplementation_RemoveSbiWithAssociatedNetworkElements(t *testing.T)
 				if err := pnd.addSbi(&OpenConfig{id: newID}); err != nil {
 					t.Error(err)
 				}
-				_, err := pnd.AddNetworkElement("associatedNetworkElement2", opts, newID, uuid.Nil)
+				_, err := pnd.AddNetworkElement("associatedNetworkElement2", opts, newID)
 				if err != nil {
 					t.Error(err)
 				}
@@ -780,7 +780,7 @@ func Test_pndImplementation_ChangeMNE(t *testing.T) {
 			if err := pnd.addSbi(&OpenConfig{id: defaultSbiID}); err != nil {
 				t.Error(err)
 			}
-			_, err := pnd.AddNetworkElement("testnetworkElement", opts, defaultSbiID, uuid.Nil)
+			_, err := pnd.AddNetworkElement("testnetworkElement", opts, defaultSbiID)
 			if err != nil {
 				t.Error(err)
 				return