add plug amqp

modules/nodejs-agent/lib/plugins/amqp/amqp.js

@@ -0,0 +1,179 @@
+/*
+ * Licensed to the SkyAPM under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+"use strict";
+
+const ContextCarrier = require("skyapm-nodejs/lib/trace/context-carrier");
+const layerDefine = require("skyapm-nodejs/lib/trace/span-layer");
+const componentDefine = require("skyapm-nodejs/lib/trace/component-define");
+
+/**
+ *
+ * @param {amqpModule} amqpModule
+ * @param {instrumentation} instrumentation
+ * @param {contextManager} contextManager
+ * @return {*}
+ * @author Quanjie.Deng
+ */
+module.exports = function(amqpModule, instrumentation, contextManager) {
+    instrumentation.enhanceMethod(amqpModule, "createConnection", wrapCreateConnection);
+    return amqpModule;
+
+    /**
+     * filterParams
+     * @param {original} original
+     * @return {*}
+     */
+    function wrapCreateConnection(original) {
+        return function() {
+            let Connection = original.apply(this, arguments);
+            enhanceConnectionsMethod(Connection, instrumentation, contextManager);
+            return Connection;
+        };
+    }
+};
+
+/**
+ * filterParams
+ * @param {obj} obj
+ * @param {instrumentation} instrumentation
+ * @param {contextManager} contextManager
+ * @return {*}
+ */
+function enhanceConnectionsMethod(obj, instrumentation, contextManager) {
+    let connection = obj;
+    instrumentation.enhanceMethod(obj, "exchange", wrapCreateExchange);
+    instrumentation.enhanceMethod(obj, "queue", wrapCreateQueue);
+    return obj;
+    /**
+     * filterParams
+     * @param {original} original
+     * @return {*}
+     */
+    function wrapCreateExchange(original) {
+        return function() {
+            let exchange = original.apply(this, arguments);
+            enhanceExchangeMethod(connection, exchange, instrumentation, contextManager);
+            return exchange;
+        };
+    }
+
+    /**
+     * filterParams
+     * @param {original} original
+     * @return {*}
+     */
+    function wrapCreateQueue(original) {
+        return function() {
+            let queue = original.apply(this, arguments);
+            enhanceQueueMethod(queue, instrumentation, contextManager);
+            return queue;
+        };
+    }
+}
+
+/**
+ * filterParams
+ * @param {obj} obj
+ * @param {instrumentation} instrumentation
+ * @param {contextManager} contextManager
+ * @return {*}
+ */
+function enhanceQueueMethod(obj, instrumentation, contextManager) {
+    instrumentation.enhanceMethod(obj, "subscribe", wrapQueueSubscribe);
+    return obj;
+
+    /**
+     * filterParams
+     * @param {original} original
+     * @return {*}
+     */
+    function wrapQueueSubscribe(original) {
+        return function(options, messageListener) {
+            let optionsNew = function(message) {
+                let contextCarrier = new ContextCarrier();
+                contextCarrier.fetchBy(function(key) {
+                    if (message.headers.hasOwnProperty(key)) {
+                        return message.headers[key];
+                    }
+                    return undefined;
+                });
+
+                let span = contextManager.createEntrySpan(obj.name, contextCarrier);
+                span.component(componentDefine.Components.AMQP);
+                span.spanLayer(layerDefine.Layers.MQ);
+
+                let res = options.apply(this, arguments);
+                contextManager.finishSpan(span);
+                return res;
+            };
+
+            let result = original.apply(this, [optionsNew, messageListener]);
+            return result;
+        };
+    };
+}
+
+/**
+ * filterParams
+ * @param {endpointName} connection
+ * @param {obj} obj
+ * @param {instrumentation} instrumentation
+ * @param {contextManager} contextManager
+ * @return {*}
+ */
+function enhanceExchangeMethod( connection, obj, instrumentation, contextManager) {
+    let connections = connection;
+    instrumentation.enhanceMethod( obj, "publish", wrapExchangePulish);
+    return obj;
+    /**
+     * filterParams
+     * @param {original} original
+     * @return {*}
+     */
+    function wrapExchangePulish(original) {
+        return function(routingKey, data, options, callback) {
+            let enhanceCallback = callback;
+            let hasCallback = false;
+            let contextCarrier = new ContextCarrier();
+            let span = contextManager.createExitSpan(routingKey, connections.options.host+":"+connections.options.port, contextCarrier);
+            contextCarrier.pushBy(function(key, value) {
+                if (!data.hasOwnProperty("headers")) {
+                    data.headers = {};
+                }
+                data.headers[key] = value;
+            });
+            span.component(componentDefine.Components.AMQP);
+            span.spanLayer(layerDefine.Layers.MQ);
+
+
+            if (typeof callback === "function") {
+                enhanceCallback = instrumentation.enhanceCallback(span.traceContext(),
+                contextManager, function() {
+                    contextManager.finishSpan(span);
+                    return callback.apply(this, arguments);
+                });
+                hasCallback = true;
+            }
+
+            let result = original.apply(this, [routingKey, data, options, enhanceCallback]);
+            if (result && !hasCallback) {
+                contextManager.finishSpan(span);
+            }
+            return result;
+        };
+    };
+}

modules/nodejs-agent/lib/plugins/amqp/index.js

@@ -0,0 +1,35 @@
+/*
+ * Licensed to the SkyAPM under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+"use strict";
+
+const Plugin = require("skyapm-nodejs/lib/plugins/plugin");
+
+module.exports = new Plugin("amqp-plugin", "amqp", [{
+    _name: "amqp",
+    _description: "Enhance all version of amqp module",
+    _enhanceModules: ["amqp"],
+    canEnhance: function(version, enhanceFile) {
+        if (this._enhanceModules.indexOf(enhanceFile) > -1) {
+            return true;
+        }
+        return false;
+    },
+    getInterceptor: function(enhanceFile) {
+        return require("./" + enhanceFile);
+    },
+}]);

modules/nodejs-agent/lib/plugins/plugin-manager.js

@@ -19,7 +19,7 @@
 
 module.exports = PluginManager;
 const logger = require("../logger");
-const OFFICER_SUPPORTED_MODULE = ["mysql", "http", "egg-core", "egg"];
+const OFFICER_SUPPORTED_MODULE = ["mysql", "http", "egg-core", "egg", "amqp"];
 
 /**
  *

modules/nodejs-agent/lib/trace/component-define.js

@@ -39,6 +39,7 @@ let Components = function() {
     this.HTTP = new OfficeComponent(2, "HTTP");
     this.MYSQL = new OfficeComponent(5, "MYSQL");
     this.EGG = new OfficeComponent(4003, "Egg");
+    this.AMQP = new OfficeComponent(4004, "AMQP");
 };
 
 Components.instance = null;