prometheus的插件blackbox_exporter实现黑盒监控http,https,tcp,dns以及ICMP协议进行探测

环境：centos7、prometheus2.24、grafana

1、下载插件blackbox_exporter  https://github.com/prometheus/blackbox_exporter/releases

?

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

 

2、安装blackbox_exporter

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

#解压 tar -zxvf blackbox_exporter-0.18.0.linux-amd64.tar.gz #移动文件 mv blackbox_exporter-0.18.0.linux-amd64/  /usr/local/blackbox_exporter #创建system服务 vim /lib/systemd/system/blackbox_exporter.service   [Unit] Description=blackbox_exporter After=network.target   [Service] User=root Type=simple ExecStart=/usr/local/blackbox_exporter/blackbox_exporter --config.file=/usr/local/blackbox_exporter/blackbox.yml Restart=on-failure   [Install] WantedBy=multi-user.target   #重载并启动服务 systemctl daemon-reload systemctl start blackbox_exporter  && systemctl enable blackbox_exporter

3、验证服务

?

1 2 3

默认监听端口为9115 systemctl status blackbox_exporter ss -lnt|grep 9115

4、prometheus.yml中加入blackbox_exporter

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64

监控主机存活状态 $ vim /usr/local/prometheus/prometheus.yml     - job_name: 'node_status'     metrics_path: /probe     params:       module: [icmp]     static_configs:       - targets: ['127.0.0.1']         labels:           instance: 'node_status'           group: 'node'     relabel_configs:       - source_labels: [__address__]         target_label: __param_target       - target_label: __address__         replacement: 127.0.0.1:9115     监控主机端口存活状态 $ vim /usr/local/prometheus/prometheus.yml     - job_name: 'port_status'     metrics_path: /probe     params:       module: [tcp_connect]     static_configs:       - targets: ['127.0.0.1:9100','127.0.0.1:9090']         labels:           instance: 'port_status'           group: 'tcp'     relabel_configs:       - source_labels: [__address__]         target_label: __param_target       - target_label: __address__         replacement: 127.0.0.1:9115     监控网站状态 $ vim /usr/local/prometheus/prometheus.yml     - job_name: web_status     metrics_path: /probe     params:       module: [http_2xx]     static_configs:       - targets: ['https://www.baidu.com']         labels:           instance: web_status           group: web     relabel_configs:       - source_labels: [__address__]         target_label: __param_target       - target_label: __address__         replacement: 127.0.0.1:9115     检查配置文件是否书写正确 $ cd /usr/local/prometheus $ ./promtool check config prometheus.yml     重新加载prometheus的配置 $ systemctl reload prometheus

5、grafana官网下载web的dashboard模板导入查看结果

模板下载：https://grafana.com/grafana/dashboards/9965

模板中的饼状图插件下载：https://grafana.com/grafana/plugins/grafana-piechart-panel