Spring Boot 實現(xiàn)應用監(jiān)控和報警

<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
 
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
 
        <!-- https://mvnrepository.com/artifact/io.prometheus/simpleclient_spring_boot -->
        <dependency>
            <groupId>io.prometheus</groupId>
            <artifactId>simpleclient_spring_boot</artifactId>
            <version>0.8.1</version>
        </dependency>
 
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>

@EnablePrometheusEndpoint 
@EnableSpringBootMetricsCollector 
@SpringBootApplication 
public class MonitorDemoApplication { 
 
    public static void main(String[] args) { 
        SpringApplication.run(MonitorDemoApplication.class, args); 
    } 
 
}

server: 
  port: 8848 
spring: 
  application: 
    name: monitor-demo 
 
security: 
  user: 
    name: admin 
    password: 1234 
  basic: 
    enabled: true 
    # 安全路徑列表，逗號分隔，此處只針對/admin路徑進行認證 
    path: /admin 
 
# actuator暴露接口的前綴 
management: 
  context-path: /admin 
  # actuator暴露接口使用的端口，為了和api接口使用的端口進行分離 
  port: 8888 
  security: 
    enabled: true 
    roles: SUPERUSER

@RequestMapping("/heap/test")
@RestController
public class TestController {
 
    public static final Map<String, Object> map = new ConcurrentHashMap<>();
 
    @RequestMapping("")
    public String testHeapUsed() {
        for (int i = 0; i < 10000000; i++) {
            map.put(i + "", new Object());
        }
        return "ok";
    }
}

scrape_configs: 
  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config. 
  # - job_name: 'prometheus' 
 
    # metrics_path defaults to '/metrics' 
    # scheme defaults to 'http'. 
 
    # static_configs: 
    # - targets: ['localhost:9090'] 
  - job_name: 'monitor-demo' 
    scrape_interval: 5s # 刮取的時間間隔 
    scrape_timeout: 5s  
    metrics_path: /admin/prometheus 
    scheme: http 
    basic_auth: #認證信息 
      username: admin 
      password: 1234 
    static_configs: 
      - targets: 
        - 127.0.0.1:8888  #此處填寫 Spring Boot 應用的 IP + 端口號

#################################### SMTP / Emailing #####################
[smtp]
enabled = true
host = smtp.exmail.qq.com:465
user = [email protected]
# If the password contains # or ; you have to wrap it with triple quotes. Ex """#password;"""
password = XXX
cert_file =
key_file =
skip_verify = true
from_address = [email protected]
from_name = Grafana
ehlo_identity = ininin.com