Prometheus+blackbox_exporter

Blackbox_exporter 主动监测主机与服务状态

Prometheus 官方提供的 exporter 之一，可以提供 http、dns、tcp、icmp 的监控数据采集

下载地址

这里要选择自己合适的版本

下载并解压

wget https://github.com/prometheus/blackbox_exporter/releases/download/v0.18.0/blackbox_exporter-0.18.0.linux-amd64.tar.gz
tar -zxvf blackbox_exporter-0.18.0.linux-amd64.tar.gz

ARM

wget https://github.com/prometheus/blackbox_exporter/releases/download/v0.18.0/blackbox_exporter-0.18.0.linux-arm64.tar.gz
tar -zxvf blackbox_exporter-0.18.0.linux-arm64.tar.gz

配置启动文件

vim /etc/systemd/system/blackbox_exporter.service

[Unit]
Description=Prometheus Monitoring System
Documentation=Prometheus Monitoring System

[Service]
ExecStart=/opt/monitor/service/blackbox_exporter-0.18.0.linux-arm64/blackbox_exporter 
     --config.file=/opt/monitor/service/blackbox_exporter-0.18.0.linux-arm64/blackbox.yml

[Install]
WantedBy=multi-user.target

刷新文件

systemctl daemon-reload

启动命令

systemctl start blackbox_exporter    #启动
systemctl stop blackbox_exporter     #停止
systemctl restart blackbox_exporter  #重启
systemctl status blackbox_exporter   #查看状态

修改promethues配置文件

进入promethues文件夹

cd prometheus-2.22.1.linux-arm64/
vim prometheus.yml

static_configs:
      - targets: ['192.168.*.*:1111']
        labels:
          hostname: '服务器名称'
          group: 'tcp'
          service: '服务名称'


    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: ip
        regex: "(.*):(.*)"
        replacement: $1
      - source_labels: [__param_target]
        target_label: port
        regex: "(.*):(.*)"
        replacement: $2
      - source_labels: []
        target_label: __address__
        replacement: localhost:9115

重启Prometheus

systemctl restart prometheus  #重启

配置Grafana

这里输入9965