Add Node.js SDK, example and docs - closes #538

.gitignore

@@ -19,6 +19,8 @@
 !.dockerignore
 !.golangci.yml
 !.gcloudignore
+!.eslintrc.*
+!.nycrc
 *.iml
 bin
 *.o

build/Makefile

@@ -218,13 +218,17 @@ push-release-chart: $(ensure-build-image)
 build-sdks: build-sdk-cpp
 
 # Run all tests
-test: $(ensure-build-image) test-go test-install-yaml site-test
+test: $(ensure-build-image) test-go test-nodejs test-install-yaml site-test
 
 # Run go tests
 test-go:
 	$(GO_TEST) $(agones_package)/pkg/... \
 	    $(agones_package)/sdks/... $(agones_package)/cmd/...
 
+# Run Node.js SDK tests
+test-nodejs:
+	docker run --rm $(common_mounts) -w $(mount_path)/sdks/nodejs $(build_tag) npm install-test
+
 # Runs end-to-end tests on the current configured cluster
 # For minikube user the minikube-test-e2e targets
 test-e2e: $(ensure-build-image)
@@ -356,6 +360,7 @@ gen-gameservers-sdk-grpc: $(ensure-build-image)
 	docker run --rm $(common_mounts) -w $(mount_path) $(build_tag) /root/gen-grpc-go.sh
 	docker run --rm $(common_mounts) -w $(mount_path) $(build_tag) /root/gen-grpc-cpp.sh
 	docker run --rm $(common_mounts) -w $(mount_path) $(build_tag) /root/gen-grpc-rust.sh
+	docker run --rm $(common_mounts) -w $(mount_path) $(build_tag) /root/gen-grpc-nodejs.sh
 
 # Generate the client for our CustomResourceDefinition
 gen-crd-client: $(ensure-build-image)

build/build-image/gen-grpc-nodejs.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# Copyright 2017 Google Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -x
+
+header() {
+    cat ./build/boilerplate.go.txt $1 >> ./tmp.js && mv ./tmp.js $1
+}
+
+googleapis=/go/src/agones.dev/agones/vendor/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis
+
+cd /go/src/agones.dev/agones
+
+protoc -I ${googleapis} -I . --grpc_out=./sdks/nodejs/lib --plugin=protoc-gen-grpc=`which grpc_node_plugin` sdk.proto
+protoc -I ${googleapis} -I . --js_out=import_style=commonjs,binary:./sdks/nodejs/lib sdk.proto ${googleapis}/google/api/annotations.proto ${googleapis}/google/api/http.proto 
+
+header ./sdks/nodejs/lib/sdk_pb.js
+header ./sdks/nodejs/lib/google/api/annotations_pb.js
+header ./sdks/nodejs/lib/google/api/http_pb.js

examples/nodejs-simple/.gitignore

@@ -0,0 +1 @@
+/node_modules/

examples/nodejs-simple/README.md

@@ -0,0 +1,4 @@
+### Instructions
+`npm install` - install dependencies
+
+`npm start` - start the self-running example

examples/nodejs-simple/package.json

@@ -0,0 +1,8 @@
+{
+  "dependencies": {
+    "agones": "../../sdks/nodejs"
+  },
+  "scripts": {
+    "start": "node src/index.js"
+  }
+}

examples/nodejs-simple/src/index.js

@@ -0,0 +1,32 @@
+const AgonesSDK = require('agones');
+
+let agonesSDK = new AgonesSDK();
+
+let connect = async function() {
+	agonesSDK.watchGameServer((result) => {
+		console.log('watch', result);
+	});
+
+	try {
+		await agonesSDK.ready();
+		await agonesSDK.setLabel("label", "labelValue");
+		await agonesSDK.setAnnotation("annotation", "annotationValue");
+		let result = await agonesSDK.getGameServer();
+		console.log('gameServer', result);
+		setTimeout(() => {
+			console.log('send health ping');
+			agonesSDK.health();
+		}, 2000);
+		setTimeout(() => {
+			console.log('send shutdown request');
+			agonesSDK.shutdown();
+		}, 4000);
+		setTimeout(() => {
+			process.exit();
+		}, 6000);
+	} catch (error) {
+		console.error(error);
+	}
+};
+
+connect();

sdks/nodejs/.eslintrc.json

@@ -0,0 +1,10 @@
+{
+    "env": {
+        "es6": true,
+        "node": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "ecmaVersion": 2017
+    }
+}

sdks/nodejs/.gitignore

@@ -0,0 +1,2 @@
+/node_modules/
+/coverage/

sdks/nodejs/.nycrc

@@ -0,0 +1,9 @@
+{
+    "include": [
+        "src/**/*.js"
+    ],
+     "reporter": [
+         "lcov",
+         "text"
+     ]
+}

sdks/nodejs/README.md

@@ -0,0 +1,8 @@
+### Instructions
+`npm install` - install dependencies
+
+`npm run cover` - run tests and report code coverage
+
+`npm run lint` - lint the code
+
+`npm test` - run the tests

sdks/nodejs/lib/google/api/annotations_pb.js

@@ -0,0 +1,55 @@
+// Copyright 2018 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// This code was autogenerated. Do not edit directly.
+/**
+ * @fileoverview
+ * @enhanceable
+ * @public
+ */
+// GENERATED CODE -- DO NOT EDIT!
+
+var jspb = require('google-protobuf');
+var goog = jspb;
+var global = Function('return this')();
+
+var google_api_http_pb = require('../../google/api/http_pb.js');
+var google_protobuf_descriptor_pb = require('google-protobuf/google/protobuf/descriptor_pb.js');
+goog.exportSymbol('google.api.http', null, global);
+
+/**
+ * A tuple of {field number, class constructor} for the extension
+ * field named `http`.
+ * @type {!jspb.ExtensionFieldInfo.<!proto.google.api.HttpRule>}
+ */
+proto.google.api.http = new jspb.ExtensionFieldInfo(
+    72295728,
+    {http: 0},
+    google_api_http_pb.HttpRule,
+     /** @type {?function((boolean|undefined),!jspb.Message=): !Object} */ (
+         google_api_http_pb.HttpRule.toObject),
+    0);
+
+google_protobuf_descriptor_pb.MethodOptions.extensionsBinary[72295728] = new jspb.ExtensionFieldBinaryInfo(
+    proto.google.api.http,
+    jspb.BinaryReader.prototype.readMessage,
+    jspb.BinaryWriter.prototype.writeMessage,
+    google_api_http_pb.HttpRule.serializeBinaryToWriter,
+    google_api_http_pb.HttpRule.deserializeBinaryFromReader,
+    false);
+// This registers the extension field with the extended class, so that
+// toObject() will function correctly.
+google_protobuf_descriptor_pb.MethodOptions.extensions[72295728] = proto.google.api.http;
+
+goog.object.extend(exports, proto.google.api);