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/node/node.go

@@ -23,14 +23,19 @@ func (n Node) GetID() string {
 
 // FillAllFields fills all remaining fields of object with data from YangData.
 func (n *Node) FillAllFields(containerRegistryURL string) {
-	// make switch case here to differentialte between linux, arista, etc
-
-	//	err = *&n.YangData.System.State.
+	// Works if linux and our gnmi target is used.
+	softwareVersion := n.YangData.System.State.SoftwareVersion
+	if softwareVersion != nil {
+		n.Kind = "linux"
+		n.Image = containerRegistryURL + *softwareVersion
+		return
+	}
 
 	// specific to arista
 	regex := regexp.MustCompile(`[0-9]+\.[0-9]+\.[0-9][A-Z]`)
 	dockerTag := string(regex.FindAll([]byte(*n.YangData.Lldp.Config.SystemDescription), 1)[0])
 
+	// If it's not linux with our gnmi target and not arista, we don't support it.
 	if len(dockerTag) == 0 {
 		n.Kind = "couldn't detect kind"
 		n.Image = "couldn't detect image"
@@ -39,5 +44,4 @@ func (n *Node) FillAllFields(containerRegistryURL string) {
 
 	n.Kind = "ceos"
 	n.Image = containerRegistryURL + n.Kind + ":" + dockerTag
-
 }