公众号：bugstack虫洞栈 | JavaAgent全链路监控专题

qinxugao · Apr 17, 2020 · 4b73a8a · 4b73a8a
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diff --git a/src/itstack-demo-agent/.gitignore b/src/itstack-demo-agent/.gitignore
@@ -0,0 +1,23 @@
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
diff --git a/src/itstack-demo-agent/README.md b/src/itstack-demo-agent/README.md
@@ -0,0 +1,17 @@
+# itstack-demo-agent 基于JavaAgent的全链路监控
+>目前市面的全链路监控系统基本都是参考Google的Dapper来做的，本专题主要通过六个章节的代码实战，来介绍如何使用javaagent以及字节码应用，来实现一个简单的java代码链路流程监控。  
+
+## 章节列表  
+- [基于JavaAgent的全链路监控一《嗨！JavaAgent》](https://bugstack.cn/itstack-demo-agent/2019/07/10/%E5%9F%BA%E4%BA%8EJavaAgent%E7%9A%84%E5%85%A8%E9%93%BE%E8%B7%AF%E7%9B%91%E6%8E%A7%E4%B8%80-%E5%97%A8-JavaAgent.html)
+- [基于JavaAgent的全链路监控二《通过字节码增加监控执行耗时》](https://bugstack.cn/itstack-demo-agent/2019/07/11/%E5%9F%BA%E4%BA%8EJavaAgent%E7%9A%84%E5%85%A8%E9%93%BE%E8%B7%AF%E7%9B%91%E6%8E%A7%E4%BA%8C-%E9%80%9A%E8%BF%87%E5%AD%97%E8%8A%82%E7%A0%81%E5%A2%9E%E5%8A%A0%E7%9B%91%E6%8E%A7%E6%89%A7%E8%A1%8C%E8%80%97%E6%97%B6.html)
+- [基于JavaAgent的全链路监控三《ByteBuddy操作监控方法字节码》](https://bugstack.cn/itstack-demo-agent/2019/07/12/%E5%9F%BA%E4%BA%8EJavaAgent%E7%9A%84%E5%85%A8%E9%93%BE%E8%B7%AF%E7%9B%91%E6%8E%A7%E4%B8%89-ByteBuddy%E6%93%8D%E4%BD%9C%E7%9B%91%E6%8E%A7%E6%96%B9%E6%B3%95%E5%AD%97%E8%8A%82%E7%A0%81.html)
+- [基于JavaAgent的全链路监控四《JVM内存与GC信息》](https://bugstack.cn/itstack-demo-agent/2019/07/13/%E5%9F%BA%E4%BA%8EJavaAgent%E7%9A%84%E5%85%A8%E9%93%BE%E8%B7%AF%E7%9B%91%E6%8E%A7%E5%9B%9B-JVM%E5%86%85%E5%AD%98%E4%B8%8EGC%E4%BF%A1%E6%81%AF.html)
+- [基于JavaAgent的全链路监控五《ThreadLocal链路追踪》](https://bugstack.cn/itstack-demo-agent/2019/07/14/%E5%9F%BA%E4%BA%8EJavaAgent%E7%9A%84%E5%85%A8%E9%93%BE%E8%B7%AF%E7%9B%91%E6%8E%A7%E4%BA%94-ThreadLocal%E9%93%BE%E8%B7%AF%E8%BF%BD%E8%B8%AA.html)
+- [基于JavaAgent的全链路监控六《开发应用级监控》](https://bugstack.cn/itstack-demo-agent/2019/07/15/%E5%9F%BA%E4%BA%8EJavaAgent%E7%9A%84%E5%85%A8%E9%93%BE%E8%B7%AF%E7%9B%91%E6%8E%A7%E5%85%AD-%E5%BC%80%E5%8F%91%E5%BA%94%E7%94%A8%E7%BA%A7%E7%9B%91%E6%8E%A7.html)
+
+
+------------
+
+## 微信公众号：bugstack虫洞栈，欢迎您的关注&获取源码！
+
+![微信公众号：bugstack虫洞栈，欢迎您的关注&获取源码！](https://bugstack.cn/wp-content/uploads/2019/08/qrcode清晰.png)
diff --git a/src/itstack-demo-agent/itstack-demo-agent-01/pom.xml b/src/itstack-demo-agent/itstack-demo-agent-01/pom.xml
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>itstack-demo-agent</artifactId>
+        <groupId>org.itatack.demo</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>itstack-demo-agent-01</artifactId>
+
+    <properties>
+        <!-- Build args -->
+        <argline>-Xms512m -Xmx512m</argline>
+        <skip_maven_deploy>false</skip_maven_deploy>
+        <updateReleaseInfo>true</updateReleaseInfo>
+        <project.build.sourceEncoding>utf-8</project.build.sourceEncoding>
+        <maven.test.skip>true</maven.test.skip>
+        <!-- 自定义MANIFEST.MF -->
+        <maven.configuration.manifestFile>src/main/resources/META-INF/MANIFEST.MF</maven.configuration.manifestFile>
+    </properties>
+
+    <build>
+        <sourceDirectory>src/main/java</sourceDirectory>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+                <includes>
+                    <include>**/**</include>
+                </includes>
+            </resource>
+        </resources>
+        <testSourceDirectory>src/test/java</testSourceDirectory>
+        <testResources>
+            <testResource>
+                <directory>src/test/resources</directory>
+                <filtering>true</filtering>
+                <includes>
+                    <include>**/**</include>
+                </includes>
+            </testResource>
+        </testResources>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>2.4</version>
+                <configuration>
+                    <archive>
+                        <manifestFile>${maven.configuration.manifestFile}</manifestFile>
+                    </archive>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-resources-plugin</artifactId>
+                <version>2.5</version>
+                <configuration>
+                    <encoding>${project.build.sourceEncoding}</encoding>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>2.3.2</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                    <encoding>${project.build.sourceEncoding}</encoding>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>2.1.2</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/...tstack-demo-agent/itstack-demo-agent-01/src/main/java/org/itstack/demo/agent/MyAgent.java b/...tstack-demo-agent/itstack-demo-agent-01/src/main/java/org/itstack/demo/agent/MyAgent.java
@@ -0,0 +1,21 @@
+package org.itstack.demo.agent;
+
+import java.lang.instrument.Instrumentation;
+
+/**
+ * 博客：http://itstack.org
+ * 论坛：http://bugstack.cn
+ * 公众号：bugstack虫洞栈  ｛获取学习源码｝
+ */
+public class MyAgent {
+
+    //JVM 首先尝试在代理类上调用以下方法
+    public static void premain(String agentArgs, Instrumentation inst) {
+        System.out.println("this is my agent：" + agentArgs);
+    }
+
+    //如果代理类没有实现上面的方法，那么 JVM 将尝试调用该方法
+    public static void premain(String agentArgs) {
+    }
+
+}
diff --git a/src/itstack-demo-agent/itstack-demo-agent-01/src/main/resources/META-INF/MANIFEST.MF b/src/itstack-demo-agent/itstack-demo-agent-01/src/main/resources/META-INF/MANIFEST.MF
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Premain-Class: org.itstack.demo.agent.MyAgent
+Can-Redefine-Classes: true
diff --git a/...itstack-demo-agent/itstack-demo-agent-01/src/test/java/org/itstack/demo/test/ApiTest.java b/...itstack-demo-agent/itstack-demo-agent-01/src/test/java/org/itstack/demo/test/ApiTest.java
@@ -0,0 +1,22 @@
+package org.itstack.demo.test;
+
+/**
+ *
+ * http://bigbully.github.io/Dapper-translation/
+ *
+ * 配置监控
+ * VM options：
+ * -javaagent:E:\itstack\GIT\itstack.org\itstack-demo-agent\itstack-demo-agent-01\target\itstack-demo-agent-01-1.0.0-SNAPSHOT.jar=testargs
+ *
+ * 博客：http://itstack.org
+ * 论坛：http://bugstack.cn
+ * 公众号：bugstack虫洞栈  ｛获取学习源码｝
+ * create by fuzhengwei on 2019
+ */
+public class ApiTest {
+
+    public static void main(String[] args) {
+        System.out.println("嗨！JavaAgent");
+    }
+
+}
diff --git a/src/itstack-demo-agent/itstack-demo-agent-02/dependency-reduced-pom.xml b/src/itstack-demo-agent/itstack-demo-agent-02/dependency-reduced-pom.xml
@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <parent>
+    <artifactId>itstack-demo-agent</artifactId>
+    <groupId>org.itatack.demo</groupId>
+    <version>1.0.0-SNAPSHOT</version>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+  <artifactId>itstack-demo-agent-02</artifactId>
+  <build>
+    <sourceDirectory>src/main/java</sourceDirectory>
+    <testSourceDirectory>src/test/java</testSourceDirectory>
+    <resources>
+      <resource>
+        <filtering>true</filtering>
+        <directory>src/main/resources</directory>
+        <includes>
+          <include>**/**</include>
+        </includes>
+      </resource>
+    </resources>
+    <testResources>
+      <testResource>
+        <filtering>true</filtering>
+        <directory>src/test/resources</directory>
+        <includes>
+          <include>**/**</include>
+        </includes>
+      </testResource>
+    </testResources>
+    <plugins>
+      <plugin>
+        <artifactId>maven-shade-plugin</artifactId>
+        <executions>
+          <execution>
+            <phase>package</phase>
+            <goals>
+              <goal>shade</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <artifactSet>
+            <includes>
+              <include>javassist:javassist:jar:</include>
+            </includes>
+          </artifactSet>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-jar-plugin</artifactId>
+        <version>2.4</version>
+        <configuration>
+          <archive>
+            <manifestFile>${maven.configuration.manifestFile}</manifestFile>
+          </archive>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-resources-plugin</artifactId>
+        <version>2.5</version>
+        <configuration>
+          <encoding>${project.build.sourceEncoding}</encoding>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>2.3.2</version>
+        <configuration>
+          <source>1.8</source>
+          <target>1.8</target>
+          <encoding>${project.build.sourceEncoding}</encoding>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-source-plugin</artifactId>
+        <version>2.1.2</version>
+        <executions>
+          <execution>
+            <id>attach-sources</id>
+            <goals>
+              <goal>jar</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.9</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.alibaba</groupId>
+      <artifactId>fastjson</artifactId>
+      <version>1.2.40</version>
+      <scope>compile</scope>
+    </dependency>
+  </dependencies>
+  <properties>
+    <maven.test.skip>true</maven.test.skip>
+    <argline>-Xms512m -Xmx512m</argline>
+    <skip_maven_deploy>false</skip_maven_deploy>
+    <maven.configuration.manifestFile>src/main/resources/META-INF/MANIFEST.MF</maven.configuration.manifestFile>
+    <project.build.sourceEncoding>utf-8</project.build.sourceEncoding>
+    <updateReleaseInfo>true</updateReleaseInfo>
+  </properties>
+</project>
+