java：spring actuator扩展原有info endpoint的功能

news2024/10/6 1:42:08

# 项目代码资源：

可能还在审核中，请等待。。。
https://download.csdn.net/download/chenhz2284/89437506

# 项目代码

【pom.xml】

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
        <version>2.3.12.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-actuator</artifactId>
        <version>2.3.12.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>ch.qos.logback</groupId>
        <artifactId>logback-classic</artifactId>
        <version>1.2.11</version>
    </dependency>
</dependencies>
<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.13.0</version>
            <configuration>
                <compilerArgs>
                    <!--
                        添加编译参数【-parameters】很重要，没有这个参数的话【/actuator/chzEndpoint/p1】这个地址无法访问
                    -->
                    <arg>-parameters</arg>
                </compilerArgs>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <version>2.3.12.RELEASE</version>
            <executions>
                <execution>
                    <phase>package</phase>
                    <goals>
                        <goal>repackage</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

【application.properties】

server.port=8080
spring.application.name=myActuator

management.server.port=8080
management.endpoints.web.exposure.include=*

# 这里是【/actuator/info】要输出的内容
info.application.name=I am myActuator
info.application.version=1.0.1

【InfoEndpointExtension.java】

package com.chz.myActuator.actuator;

@Component
@EndpointWebExtension(endpoint = InfoEndpoint.class)
public class InfoEndpointExtension {

    @Autowired
    private InfoEndpoint delegate;

    @ReadOperation
    public Map<String, Object> info()
    {
        Map<String, Object> info = new HashMap<>(delegate.info());
        info.put("chz_new_p", "info: I am new p");          // 加个属性
        return info;
    }

    @ReadOperation
    public Map<String, Object> infoExt(@Selector String name)
    {
        Map<String, Object> info = new HashMap<>(delegate.info());
        info.put(name, "infoExt: I am new p");       // 加个属性
        return info;
    }
}

【MyActuatorTest.java】

package com.chz.myActuator;

@SpringBootApplication
public class MyActuatorTest {

    public static void main(String[] args) {
        SpringApplication.run(MyActuatorTest.class, args);
    }
}