Prometheus之Blackbox监控

部署Blackbox

下载地址 https://github.com/prometheus/blackbox_exporter

这里使用amd64架构的软件包，根据自己设备架构选择

右键复制链接地址

下载软件包
wget https://github.com/prometheus/blackbox_exporter/releases/download/v0.25.0/blackbox_exporter-0.25.0.linux-amd64.tar.gz

解压
tar xf blackbox_exporter-0.25.0.linux-amd64.tar.gz


mv blackbox_exporter-0.25.0.linux-amd64/blackbox_exporter /usr/local/bin/blackbox_exporter

mv blackbox_exporter-0.25.0.linux-amd64 /usr/local/blackbox_exporter

注册服务启动
cat > /usr/lib/systemd/system/blackbox.service << EOF
[Unit]
Description=Prometheus Blackbox Exporter
After=network.target

[Service]
Type=simple
User=root
Group=root
ExecStart=/usr/local/bin/blackbox_exporter  --config.file=/usr/local/blackbox_exporter/blackbox.yml
Restart=on-failure

[Install]
WantedBy=multi-user.target
EOF

启动服务
systemctl  start blackbox.service

查看启动状态
systemctl  status blackbox.service

配置开机自启
systemctl  enable blackbox.service

配置Prometheus采集信息

- job_name: "百度"
    scrape_interval: 1m                     # 多久采集一次信息，建议不要太频繁
    metrics_path: /probe
    params:
      module: [http_2xx]
    static_configs:
    - targets: ['https://www.baidu.com/']   # 探测的域名
      labels:
        blackbox: '测试百度'
    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: 172.16.0.3:9115        # 采集器blackbox信息
- job_name: "Google"
    scrape_interval: 1m
    metrics_path: /probe
    params:
      module: [http_2xx]
    static_configs:
    - targets: ['https://www.google.com/']
      labels:
        blackbox: '测试Google'
    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: 172.16.0.3:9115

重载prometheus配置
docker restart prometheus

配置Grafnana

导入模版ID 9965

效果如下

完成

能看到连通性、状态、访问耗时、1小时可用率、证书到期时间 还是不错的