tencent cloud

<dependency>
    <groupId>io.prometheus</groupId>
    <artifactId>simpleclient</artifactId>
    <version>0.9.0</version>
</dependency>
<dependency>
    <groupId>io.micrometer</groupId>
    <artifactId>micrometer-registry-prometheus</artifactId>
    <version>1.1.7</version>
</dependency>


public class Application {
    // 作为全局变量，可以在自定义监控中使用
    public static final PrometheusMeterRegistry registry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
    static {
        // 添加 Prometheus 全局 Label，建议加一上对应的应用名
        registry.config().commonTags("application", "java-demo");
    }

    public static void main(String[] args) throws Exception {
        // 添加 JVM 监控
        new ClassLoaderMetrics().bindTo(registry);
        new JvmMemoryMetrics().bindTo(registry);
        new JvmGcMetrics().bindTo(registry);
        new ProcessorMetrics().bindTo(registry);
        new JvmThreadMetrics().bindTo(registry);
        new UptimeMetrics().bindTo(registry);
        new FileDescriptorMetrics().bindTo(registry);
        System.gc(); // Test GC
        try {
            // 暴露 Prometheus HTTP 服务，如果已经有，可以使用已有的 HTTP Server
            HttpServer server = HttpServer.create(new InetSocketAddress(8080), 0);
            server.createContext("/metrics", httpExchange -> {
                String response = registry.scrape();
                httpExchange.sendResponseHeaders(200, response.getBytes().length);
                try (OutputStream os = httpExchange.getResponseBody()) {
                    os.write(response.getBytes());
                }
            });

            new Thread(server::start).start();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}

  FROM openjdk:8-jdk
  WORKDIR /java-demo
  ADD target/java-demo-*.jar /java-demo/java-demo.jar
  CMD ["java","-jar","java-demo.jar"]


 mvn clean package
  docker build . -t ccr.ccs.tencentyun.com/[namespace]/[ImageName]:[镜像版本号]
  docker push ccr.ccs.tencentyun.com/[namespace]/[ImageName]:[镜像版本号]


 mvn clean package
  docker build . -t ccr.ccs.tencentyun.com/prom_spring_demo/java-demo:latest
  docker push ccr.ccs.tencentyun.com/prom_spring_demo/-demo:latest

  apiVersion: monitoring.coreos.com/v1
  kind: PodMonitor
  metadata:
    name: java-demo
    namespace: cm-prometheus
  spec:
    namespaceSelector:
      matchNames:
      - java-demo
    podMetricsEndpoints:
    - interval: 30s
      path: /metrics
      port: metric-port
    selector:
      matchLabels:
        k8s-app: java-demo