助力工业物联网,工业大数据之服务域:node_exporter插件【三十七】

前言

项目所需工具:
链接:https://pan.baidu.com/s/1sIa8nninf2Fz6YqE3vUpqQ?pwd=5wr3
提取码:5wr3
–来自百度网盘超级会员V4的分享

06:node_exporter插件

  • 目标实现node_exporter插件的安装监控Linux指标

  • 实施

    • 上传安装

      cd ~
      rz
      tar zxvf node_exporter-1.1.2.linux-amd64.tar.gz -C /opt/prometheus-2.26/
      mv /opt/prometheus-2.26/node_exporter-1.1.2.linux-amd64 /opt/prometheus-2.26/node_exporter
      
    • 注册

      # 创建并编辑文件
      vim /etc/systemd/system/node_exporter.service
      
      [Unit]
      Description=node_exporter
      Documentation=Prometheus node_exporter plugin
      
      [Service]
      ExecStart=/opt/prometheus-2.26/node_exporter/node_exporter
      Restart=on-failure
      [Install]
      WantedBy=multi-user.target
      
    • 启动

      # 设置开机自启动
      systemctl enable node_exporter
      # 启动服务
      systemctl start node_exporter
      # 查看服务状态
      systemctl status node_exporter
      
    • 配置Prometheus

      vim /opt/prometheus-2.26/prometheus.yml
      
      scrape_configs:
      
        - job_name: 'prometheus'
          static_configs:
            - targets: ['localhost:9090']
        # 增加以下内容
        - job_name: 'linux'
          static_configs:
          - targets: ['localhost:9100']
            labels:
              instance: node1  
      
      • 重启prometheus

        systemctl restart prometheus.service
        
    • 验证:http://node1:9090

      image-20211005184614853

      image-20211005184633663

      • 查看当前主机的CPU使用情况:node_cpu_seconds_total

        image-20211005184748505

      • 查看当前主机的CPU负载情况 :node_load15

        image-20211005184828208

  • 小结

    • 实现node_exporter插件的安装监控Linux指标

07:mysqld_exportor插件

  • 目标实现mysqld_exportor插件的安装监控MySQL指标

  • 实施

    • 上传安装

      cd ~
      rz
      tar zxvf mysqld_exporter-0.13.0-rc.0.linux-amd64.tar.gz -C /opt/prometheus-2.26/
      mv /opt/prometheus-2.26/mysqld_exporter-0.13.0-rc.0.linux-amd64/ /opt/prometheus-2.26/mysqld_exporter/
      
    • 配置MySQL用户授权

      mysql -uroot -p
      SHOW VARIABLES LIKE 'validate_password%';
      set global validate_password_policy=LOW; 
      set global validate_password_length=6;
      # 授权
      GRANT PROCESS, REPLICATION CLIENT, SELECT ON *.* TO 'mysql_exporter'@'localhost' IDENTIFIED BY '123456' WITH MAX_USER_CONNECTIONS 3;
      flush privileges;
      
      • DDL:数据定义语言:建库建表
      • DML:数据操作语言:增删改
      • DQL:数据查询语言:查询
      • DCL:grant、revoke
    • 注册服务

      vim /etc/systemd/system/mysqld_exporter.service
      
      [Unit]
      Description=mysqld_exporter
      Documentation=Prometheus mysql exporter plugin
      
      [Service]
      Type=simple
      User=mysql
      Environment=DATA_SOURCE_NAME=mysql_exporter:123456@(localhost:3306)/
      ExecStart=/opt/prometheus-2.26/mysqld_exporter/mysqld_exporter --config.my-cnf /etc/my.cnf \
        --collect.slave_status \
        --collect.slave_hosts \
        --log.level=error \
        --collect.info_schema.processlist \
        --collect.info_schema.innodb_metrics \
        --collect.info_schema.innodb_tablespaces \
        --collect.info_schema.innodb_cmp \
        --collect.info_schema.innodb_cmpmem 
      Restart=on-failure
      [Install]
      WantedBy=multi-user.target
      
    • 启动服务

      # 设置开机自启动
      systemctl enable mysqld_exporter
      # 启动服务
      systemctl start mysqld_exporter
      # 查看服务状态
      systemctl status mysqld_exporter
      
    • 配置Prometheus

      vim /opt/prometheus-2.26/prometheus.yml
      
      scrape_configs:
        # 增加以下内容
        - job_name: 'mysql'
          scrape_interval: 1s
          static_configs:
          - targets: ['localhost:9104']
            labels:
              instance: 'mysqld_exporter'
      
      • 重启prometheus

        systemctl restart prometheus.service
        
    • 验证

      • mysql_exporter_collector_duration_seconds

        image-20211005202253808

  • 小结

    • 实现mysqld_exportor插件的安装监控MySQL指标

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转载自blog.csdn.net/xianyu120/article/details/132326851
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