[feat] Add option to set up only network on an iso

setup/so-functions

@@ -1377,6 +1377,45 @@ minio_generate_keys() {
 
 }
 
+network_init() {
+	case "$setup_type" in
+		'iso')
+			whiptail_set_hostname
+			whiptail_management_nic
+			whiptail_dhcp_or_static
+
+			if [ "$address_type" != 'DHCP' ]; then
+				whiptail_management_interface_ip
+				whiptail_management_interface_mask
+				whiptail_management_interface_gateway
+				whiptail_management_interface_dns
+				whiptail_management_interface_dns_search
+			fi
+			;;
+		'network')
+			whiptail_network_notice
+			whiptail_dhcp_warn
+			whiptail_set_hostname
+			whiptail_management_nic
+			;;
+	esac
+
+	if [[ $is_minion ]]; then
+		whiptail_management_server
+	fi
+
+	if [[ $is_minion || $is_iso ]]; then
+		whiptail_management_interface_setup
+	fi
+
+	# Init networking so rest of install works
+	disable_ipv6
+	set_hostname
+	if [[ "$setup_type" == 'iso' ]]; then
+		set_management_interface
+	fi
+}
+
 network_setup() {
 	{
 		echo "Finishing up network setup";