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.

applications/venv-manager/venv-manager/venv-manager.go

@@ -65,26 +65,6 @@ func (v *VenvManager) closeConnection(conn *grpc.ClientConn) {
 	}
 }
 
-// TestConnection checks if it can reach the controller via the api.
-func (v *VenvManager) TestConnection() error {
-	conn, err := v.createConnection()
-	if err != nil {
-		return err
-	}
-	defer v.closeConnection(conn)
-
-	ctx := context.Background()
-
-	//Replace with health check as soon as available
-	coreService := corePb.NewCoreServiceClient(conn)
-	_, err = coreService.GetPndList(ctx, &corePb.GetPndListRequest{})
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
 // CreateSDNConfigFile creates the SDN configuration file.
 func (v *VenvManager) CreateSDNConfigFile() error {
 	sdnConfigReponse, err := v.getSDNConfigData()