本文介紹SpringBoot如何使用Prometheus配合Grafana監控。
Prometheus是一個根據應用的metrics來進行監控的開源工具。相信很多工程都在使用它來進行監控,有關詳細介紹可以查看官網:https://prometheus.io/docs/introduction/overview/。
Grafana是一個開源監控利器,如圖所示。
從圖中就可以看出來,使用Grafana監控很高大上,提供了很多可視化的圖標。
官網地址:https://grafana.com/
3.1 依賴內容
在SpringBoot中使用Prometheus其實很簡單,不需要配置太多的東西,在pom文件中加入依賴,完整內容如下所示。
<?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"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.3.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.dalaoyang</groupId> <artifactId>springboot2_prometheus</artifactId> <version>0.0.1-SNAPSHOT</version> <name>springboot2_prometheus</name> <description>springboot2_prometheus</description>
<properties> <java.version>1.8</java.version> </properties>
<dependencies> <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.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>io.micrometer</groupId> <artifactId>micrometer-registry-prometheus</artifactId> <version>1.1.3</version> </dependency> </dependencies>
<build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build>
</project>
3.2 配置文件
配置文件中加入配置,這裡就只進行一些簡單配置,management.metrics.tags.application屬性是本文配合Grafana的Dashboard設置的,如下所示:
spring.application.name=springboot_prometheus management.endpoints.web.exposure.include=* management.metrics.tags.application=${spring.application.name}
3.3 設置application
修改啟動類,如下所示.
@SpringBootApplication public class Springboot2PrometheusApplication {
public static void main(String[] args) { SpringApplication.run(Springboot2PrometheusApplication.class, args); } @Bean MeterRegistryCustomizer<MeterRegistry> configurer( @Value("${spring.application.name}") String applicationName) { return (registry) -> registry.config().commonTags("application", applicationName); } }
SpringBoot項目到這裡就配置完成了,啟動項目,訪問http://localhost:8080/actuator/prometheus,如圖所示,可以看到一些度量指標。
4.1 配置應用
在prometheus配置監控我們的SpringBoot應用,完整配置如下所示。
# my global config global: scrape_interval: 15s # Set the scrape interval to every 15 seconds. Default is every 1 minute. evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute. # scrape_timeout is set to the global default (10s).
# Alertmanager configuration alerting: alertmanagers: - static_configs: - targets: # - alertmanager:9093
# Load rules once and periodically evaluate them according to the global evaluation_interval. rule_files: # - "first_rules.yml" # - "second_rules.yml"
# A scrape configuration containing exactly one endpoint to scrape: # Here its Prometheus itself. scrape_configs: - job_name: prometheus static_configs: - targets: [127.0.0.1:9090] ###以下內容為SpringBoot應用配置 - job_name: springboot_prometheus scrape_interval: 5s metrics_path: /actuator/prometheus static_configs: - targets: [127.0.0.1:8080]
4.2 啟動Prometheus
啟動Prometheus,瀏覽器訪問,查看Prometheus頁面,如圖所示。
啟動Grafana,配置Prometheus數據源,這裡以ID是4701的Doshboard為例(地址:https://grafana.com/dashboards/4701)如圖。
源碼地址:https://gitee.com/dalaoyang/springboot_learn/tree/master/springboot2_prometheus
本文作者:dalaoyang
原文鏈接
更多技術乾貨敬請關注云棲社區知乎機構號:阿里云云棲社區 - 知乎
本文為雲棲社區原創內容,未經允許不得轉載。
推薦閱讀: