Changed Service Principal Creation sequence to comply with newer CLI reqs

contrib/azure-setup.sh

@@ -11,6 +11,7 @@ azure_subscription_id= # Derived from the account after login
 azure_tenant_id=       # Derived from the account after login
 location=
 azure_object_id=
+azureversion=
 
 showhelp() {
 	echo "azure-setup"
@@ -156,7 +157,20 @@ createApplication() {
 
 createServicePrincipal() {
 	echo "==> Creating service principal"
-	azure ad sp create $azure_client_id
+	# Azure CLI 0.10.2 introduced a breaking change, where appId must be supplied with the -a switch
+	# prior version accepted appId as the only parameter without a switch
+	newer_syntax = false
+	IFS='.' read -ra azureversionsemver <<< "$azureversion"
+	if [[ ${azureversionsemver[0]} -ge 0 && ${azureversionsemver[1]} -ge 10 &&  ${azureversionsemver[2]} -ge 2]]; then	
+		newer_syntax = true
+	fi
+
+	if [newer_syntax -eq true ]; then	
+		azure ad sp create -a $azure_client_id
+	else 
+		azure ad sp create $azure_client_id	
+	fi
+
 	if [ $? -ne 0 ]; then
 		echo "Error creating service principal: $azure_client_id"
 		exit 1