Docker 安装prometheus(容器监控)

prometheus是由谷歌研发的一款开源的监控软件 https://www.cnblogs.com/zqj-blog/p/10871033.html
参考文章 https://www.jianshu.com/p/93c840025f01

下载镜像

docker pull prom/prometheus:v2.15.0

目录结构

[root@centos01 prometheus]# pwd
/data/prometheus
[root@centos01 prometheus]# tree
.
└── prometheus.yml

prometheus.yml

global:scrape_interval:   15sscrape_configs:
- job_name:       'springboot-app'scrape_interval: 10smetrics_path: '/actuator/prometheus'static_configs:- targets: ['192.168.0.2:9082']labels:application: 'springboot-app'- job_name: 'prometheus'scrape_interval: 5sstatic_configs:- targets: ['localhost:9090']

安装

docker run -d \
-p 9192:9090 \
-v /data/prometheus:/etc/prometheus/ \
-v /etc/localtime:/etc/localtime:ro \
--privileged=true \
--name group_prometheus prom/prometheus:v2.15.0

Docker 安装grafana (依赖prometheus)

下载镜像

docker pull grafana/grafana:6.5.2

目录结构

[root@centos01 grafana]# pwd
/data/grafana
[root@centos01 grafana]# tree
.
├── dashboard.json
├── grafana.ini
└── provisioning└── datasources└── datasource.yml

dashboard.json
grafana.ini 示例:

#################################### SMTP / Emailing ##########################
# 配置邮件服务器
[smtp]
enabled = true
# 发件服务器
host = smtp.qq.com:465
# smtp账号
user = 2486524340@qq.com
# smtp 密码
password = gjicistsyhsddhge
# 发信邮箱
from_address = 2486524340@qq.com
# 发信人
from_name = jojo

datasource.yml

# config file version
apiVersion: 1##删除默认的Prometheus数据源
deleteDatasources:
- name: PrometheusorgId: 1## 配置数据源
datasources:
- name: Prometheustype: prometheusaccess: proxyorgId: 1url: http://192.168.0.13:9192basicAuth: falseisDefault: trueversion: 1editable: true

快速安装

docker run -d \
-p 3000:3000 \
--name group_grafana_1 grafana/grafana:6.5.2

完整安装

docker run -d \
-p 3000:3000 \
-v /data/grafana/provisioning/:/etc/grafana/provisioning/ \
-v /etc/localtime:/etc/localtime:ro \
--privileged=true \
--name group_grafana_1 \
-e "GF_SECURITY_ADMIN_PASSWORD=password" \
-e "GF_USERS_ALLOW_SIGN_UP=false" \
grafana/grafana:6.5.2docker run -d \
-p 3000:3000 \
-v /data/grafana/grafana.ini:/etc/grafana/grafana.ini \
-v /data/grafana/provisioning/:/etc/grafana/provisioning/ \
-v /etc/localtime:/etc/localtime:ro \
--privileged=true \
--name group_grafana_1 \
-e "GF_SECURITY_ADMIN_PASSWORD=password" \
-e "GF_USERS_ALLOW_SIGN_UP=false" \
grafana/grafana:6.5.2

web管理

控制台: http://192.168.0.13:3000/ 快速安装没有密码，完整安装的密码是admin/password
新建数据源 http://192.168.0.13:3000/datasources ，选择prometheus

Data Sources/Prometheus
-----------------------------Settings------------------------------
url : http://192.168.0.13:9192
...
save & test

下载dashboard.json http://119.23.50.122/grafana/dashboard.json
导入dashboard 打开: http://192.168.0.13:3000/dashboard/import 图表的数据格式文件(官方下载地址: https://grafana.com/grafana/dashboards )

填写:
Name: app应用图表
Prometheus: Prometheusimport

配置通知 http://192.168.0.13:3000/alerting/notification/new
配置异常时告警
自定义图表

Prometheus 客户端

基本配置

pom.xml

<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId>
</dependency><dependency><groupId>io.micrometer</groupId><artifactId>micrometer-registry-prometheus</artifactId>
</dependency>

application.yml

management:endpoints:promethus:enable: trueweb:exposure:include:- prometheus- info- health

开放对应的端点，即promethues抓取数据的接口，EndpointRequest.toAnyEndpoint()

import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.actuate.autoconfigure.security.servlet.EndpointRequest;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;/*** @author zhang3* description TODO*/
@Configuration
@Slf4j
public class CustomResourceServerConfig extends ResourceServerConfigurerAdapter {@Overridepublic void configure(HttpSecurity http) throws Exception {http.authorizeRequests().requestMatchers(EndpointRequest.toAnyEndpoint()).permitAll().anyRequest().authenticated();}
}

自定义监控指标(监控图表)

PrometheusMetricsConfig.java 监控指标管理

import io.micrometer.prometheus.PrometheusMeterRegistry;
import io.prometheus.client.Counter;
import io.prometheus.client.Summary;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;/*** @author zhang3* description 监控指标 管理*/
@Configuration
public class PrometheusMetricsConfig {@Autowiredprivate PrometheusMeterRegistry prometheusMeterRegistry;/*** 自定义 Counter 监控指标*/@Beanpublic Counter requestCount() {return Counter.build("is_request_count", "count request by service").labelNames("service", "method", "code").register(prometheusMeterRegistry.getPrometheusRegistry());}/*** 自定义 Summary 监控指标*/@Beanpublic Summary requestLatency() {return Summary.build("is_request_latency", "monite request latency by service").quantile(0.5, 0.05).quantile(0.9, 0.01).labelNames("service", "method", "code").register(prometheusMeterRegistry.getPrometheusRegistry());}
}

声明一个拦截器，进行计数

import io.prometheus.client.Counter;
import io.prometheus.client.Summary;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;/*** @author zhang3* description 声明一个拦截器，进行计数*/
@Component
public class StatInterceptor extends HandlerInterceptorAdapter {@Autowiredprivate Counter requestCount;@Autowiredprivate Summary requestLatency;@Overridepublic boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {request.setAttribute("startTime", System.currentTimeMillis());return true;}@Overridepublic void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {String uri = request.getRequestURI();requestCount.labels(uri, request.getMethod(), String.valueOf(response.getStatus())).inc();Long duration = System.currentTimeMillis() - (Long)request.getAttribute("startTime");requestLatency.labels(uri, request.getMethod(), String.valueOf(response.getStatus())).observe(duration);}
}

注册拦截器

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;/*** @author zhang3* description 注册拦截器*/
@Configuration
public class CustomWebConfig implements WebMvcConfigurer {@Autowiredprivate StatInterceptor statInterceptor;@Overridepublic void addInterceptors(InterceptorRegistry registry) {registry.addInterceptor(statInterceptor).addPathPatterns("/**");}
}

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prometheus-容器健康状况监控

Docker 安装prometheus(容器监控)

下载镜像

目录结构

安装

Docker 安装grafana (依赖prometheus)

下载镜像

目录结构

快速安装

完整安装

web管理

Prometheus 客户端

基本配置

自定义监控指标(监控图表)

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