removed required status for ipv6 and added check on create network

controllers/network.go

@@ -307,6 +307,11 @@ func createNetwork(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if network.AddressRange == "" && network.AddressRange6 == "" {
+		returnErrorResponse(w, r, formatError(err, "badrequest"))
+		return
+	}
+
 	network, err = logic.CreateNetwork(network)
 	if err != nil {
 		returnErrorResponse(w, r, formatError(err, "badrequest"))

models/network.go

@@ -7,8 +7,8 @@ import (
 // Network Struct - contains info for a given unique network
 //At  some point, need to replace all instances of Name with something else like  Identifier
 type Network struct {
-	AddressRange        string      `json:"addressrange" bson:"addressrange" validate:"required,cidr"`
-	AddressRange6       string      `json:"addressrange6" bson:"addressrange6" validate:"regexp=^s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:)))(%.+)?s*(\/([0-9]|[1-9][0-9]|1[0-1][0-9]|12[0-8]))?$"`
+	AddressRange        string      `json:"addressrange" bson:"addressrange" validate:"omitempty,cidr"`
+	AddressRange6       string      `json:"addressrange6" bson:"addressrange6"`
 	NetID               string      `json:"netid" bson:"netid" validate:"required,min=1,max=12,netid_valid"`
 	NodesLastModified   int64       `json:"nodeslastmodified" bson:"nodeslastmodified"`
 	NetworkLastModified int64       `json:"networklastmodified" bson:"networklastmodified"`