luci-proto-nebula: add nebula protocol support

Signed-off-by: Stan Grishin <stangri@melmac.ca>

protocols/luci-proto-nebula/Makefile

@@ -0,0 +1,17 @@
+# Copyright 2021 Stan Grishin (stangri@melmac.ca)
+# This is free software, licensed under the GNU General Public License v3.
+
+include $(TOPDIR)/rules.mk
+
+PKG_LICENSE:=GPL-3.0-or-later
+PKG_MAINTAINER:=Stan Grishin <stangri@melmac.ca>
+PKG_VERSION:=1.6.1-1
+
+LUCI_TITLE:=Support for Nebula
+LUCI_DESCRIPTION:=Provides Web UI for Nebula protocol/interface.
+LUCI_DEPENDS:=+nebula +nebula-proto
+LUCI_PKGARCH:=all
+
+include ../../luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature

protocols/luci-proto-nebula/htdocs/luci-static/resources/protocol/nebula.js

@@ -0,0 +1,50 @@
+'use strict';
+'require ui';
+'require uci';
+'require rpc';
+'require form';
+'require network';
+
+return network.registerProtocol('nebula', {
+	getI18n: function () {
+		return _('Nebula Network');
+	},
+
+	getIfname: function () {
+		return this._ubus('l3_device') || this.sid;
+	},
+
+	getOpkgPackage: function () {
+		return 'nebula';
+	},
+
+	isFloating: function () {
+		return true;
+	},
+
+	isVirtual: function () {
+		return true;
+	},
+
+	getDevices: function () {
+		return null;
+	},
+
+	containsDevice: function (ifname) {
+		return (network.getIfnameOf(ifname) == this.getIfname());
+	},
+
+	renderFormOptions: function (s) {
+		var o;
+
+		o = s.taboption('general', form.Value, 'config_file', _('Config File'), _('Required. Path to the .yml config file for this interface.'));
+		o.rmempty = false;
+
+	},
+
+	deleteConfiguration: function () {
+		uci.sections('network', 'nebula_%s'.format(this.sid), function (s) {
+			uci.remove('network', s['.name']);
+		});
+	}
+});