fix(Trace-Segment): fix the trace segment id is dulplicate

fix #67

modules/nodejs-agent/lib/trace/trace-segment-id.js

@@ -20,6 +20,7 @@ module.exports = ID;
 
 const AgentConfig = require("../config");
 const process = require("process");
+const randomize = require("randomatic");
 
 /**
  * @param {idParts} idParts
@@ -33,10 +34,9 @@ function ID(idParts) {
         this._part3 = idParts.part3;
     } else {
         this._part1 = AgentConfig.getInstanceId();
-        this._part2 = process.pid *
-        process.ppid ? process.ppid : (((1 + Math.random()) * 0x10000) | 0)
-            + (((1 + Math.random()) * 0x10000) | 0);
-        this._part3 = Number(process.hrtime().join(""));
+        this._part2 = (process.pid * process.ppid ? process.ppid : (((1 + Math.random()) * 0x10000) | 0)
+            + (((1 + Math.random()) * 0x10000) | 0)) + Number(randomize("0", 5));
+        this._part3 = Number(process.hrtime().join("")) + Number(randomize("0", 9));
     }
 }
 

modules/nodejs-agent/package.json

@@ -41,11 +41,13 @@
     "js-base64": "^2.5.1",
     "object-hash": "^1.3.1",
     "on-finished": "^2.3.0",
+    "randomatic": "^3.1.1",
     "resolve": "^1.8.1",
     "semver": "^5.5.1",
     "uuid": "^3.2.1"
   },
   "devDependencies": {
+    "cz-conventional-changelog": "^2.1.0",
     "eslint": "^4.19.1",
     "eslint-config-google": "^0.9.1",
     "eslint-plugin-header": "^1.2.0",
@@ -58,5 +60,10 @@
     "lib/network/common/*.js",
     "lib/network/language-agent-v2/*.js",
     "lib/network/register/*.js"
-  ]
+  ],
+  "config": {
+    "commitizen": {
+      "path": "./node_modules/cz-conventional-changelog"
+    }
+  }
 }