运维(12) Prometheus+Grafana 搭建监控系统

绝地灬酷狼 2022-09-12 11:56 255阅读 0赞

### 文章目录 ###

*   *   *  一、前言
         *  二、docker-compose部署Prometheus+Grafana
         *   *  docker-compose-prometheus.yml
             *  prometheus.yml
         *  三、访问
         *   *  1、exporter
             *  2、prometheus
             *  3、grafana
         *  四、Grafana配置
         *   *  1、新增Prometheus数据源
             *  2、导入Prometheus Dashboard

### 一、前言 ###

本文将基于以下环境通过Prometheus+Grafana建立Liunx系统的监控

1.  Docker version 20.10.5, build 55c4c88
2.  docker-compose version 1.28.6, build 5db8d86f
3.  CentOS Linux release 7.6.1810 (Core)

### 二、docker-compose部署Prometheus+Grafana ###

# 环境准备
    git clone https://gitee.com/zhengqingya/docker-compose.git
    cd docker-compose/Liunx
    # 注：
    # 1. `docker-compose-prometheus.yml` 需修改grafana中配置的mysql连接信息
    # 2. `prometheus.yml` 自行配置
    # 运行
    docker-compose -f docker-compose-prometheus.yml -p prometheus up -d

这里再展示下相关文件吧

#### docker-compose-prometheus.yml ####

# 镜像版本请自行选择 https://hub.docker.com/search?q=&type=image
    version: "3"
    
    # 网桥 -> 方便相互通讯
    networks:
      prometheus:
    
    services:
      prometheus:
        image: prom/prometheus:v2.30.0
        container_name: prometheus
        volumes:
          - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
        command: "--config.file=/etc/prometheus/prometheus.yml --storage.tsdb.path=/prometheus"
        ports:
          - "9090:9090"
        depends_on:
          - exporter
        networks:
          - prometheus
    
      exporter:
        image: prom/node-exporter:v1.2.2
        container_name: prometheus_exporter
        ports:
          - "9100:9100"
        networks:
          - prometheus
    
      # 用于UI展示
      # https://grafana.com/docs/grafana/latest/installation/docker
      grafana:
        image: grafana/grafana:8.1.5
        container_name: prometheus_grafana
        restart: unless-stopped
        ports:
          - "3000:3000"
    # volumes:
    # - "./prometheus/grafana/grafana-storage:/var/lib/grafana"
    # - "./prometheus/grafana/public:/usr/share/grafana/public" # 这里面可处理汉化包 可参考 https://github.com/WangHL0927/grafana-chinese
    # - "./prometheus/grafana/conf:/usr/share/grafana/conf"
    # - "./prometheus/grafana/log:/var/log/grafana"
    # - "/etc/localtime:/etc/localtime"
        environment:
          GF_EXPLORE_ENABLED: "true"
          GF_SECURITY_ADMIN_PASSWORD: "admin"
          GF_INSTALL_PLUGINS: "grafana-clock-panel,grafana-simple-json-datasource,alexanderzobnin-zabbix-app"
          # 持久化到mysql数据库
          GF_DATABASE_URL: "mysql://root:root@www.zhengqingya.com:3306/grafana" # TODO 修改
        depends_on:
          - prometheus
        networks:
          - prometheus
    
      # mysql数据库 => 用于grafana持久化数据
    # mysql:
    # image: registry.cn-hangzhou.aliyuncs.com/zhengqing/mysql:5.7
    # container_name: prometheus_mysql
    # restart: unless-stopped
    # volumes:
    # - "./prometheus/mysql5.7/my.cnf:/etc/mysql/my.cnf"
    # - "./prometheus/mysql5.7/data:/var/lib/mysql"
    # - "./prometheus/mysql5.7/log/mysql/error.log:/var/log/mysql/error.log"
    # environment:
    # TZ: Asia/Shanghai
    # LANG: en_US.UTF-8
    # MYSQL_ROOT_PASSWORD: root # 设置root用户密码
    # MYSQL_DATABASE: grafana # 初始化数据库grafana
    # ports:
    # - "3306:3306"

#### prometheus.yml ####

# 可参考 https://prometheus.io/docs/prometheus/latest/getting_started
    global:
      scrape_interval: 10s
      scrape_timeout: 10s
      evaluation_interval: 10m
    scrape_configs:
      # springboot项目
      - job_name: spring-boot
        scrape_interval: 5s
        scrape_timeout: 5s
        metrics_path: /application/prometheus
        scheme: http
        basic_auth:
          username: admin
          password: 123456
        static_configs:
          - targets:
              - 192.168.0.88:20040 # TODO 此处填写SpringBoot应用的IP+端口号
    
      # prometheus
      - job_name: prometheus
        static_configs:
          - targets: ['www.zhengqingya.com:9090']
            labels:
              instance: prometheus
    
      # 采集node exporter监控数据，即linux
      - job_name: linux
        static_configs:
          - targets: ['www.zhengqingya.com:9100']
            labels:
              instance: localhost

运行成功后，容器如下：  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16]

### 三、访问 ###

#### 1、exporter ####

`http://ip地址:9100/metrics`  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16 1]

#### 2、prometheus ####

`http://ip地址:9090/targets`

`Status` \-> `Targets`  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16 2]

#### 3、grafana ####

`http://ip地址:3000`  
默认登录账号密码：`admin/admin`  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16 3]

### 四、Grafana配置 ###

#### 1、新增Prometheus数据源 ####

`Configuration` \-> `Data sources` \-> `Add data source` \-> `Prometheus`  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16 4]  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16 5]  
配置prometheus地址  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16 6]  
保存并测试连接  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16 7]

#### 2、导入Prometheus Dashboard ####

`Create` \-> `Import`  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16 8]  
输入`8919`

> 温馨小提示：资源可从 [https://grafana.com/grafana/dashboards][https_grafana.com_grafana_dashboards] 中选择

![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16 9]  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16 10]  
查看liunx监控信息如下  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6YOR5riF_size_20_color_FFFFFF_t_70_g_se_x_16 11]

--------------------

> 今日分享语句：  
> 不论你在什么时候开始，重要的是开始之后就不要停止。

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[https_grafana.com_grafana_dashboards]: https://grafana.com/grafana/dashboards
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