基于DNS的服务发现

1）配置hosts解析，有dns可以配置dns

[root@localhost ~] vi /etc/hosts

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
39.107.250.21 prometheus.tcp.com

2）配置prometheus

[root@localhost ~] vi /usr/local/prometheus/prometheus.yml

  - job_name: 'dns_node_exporter'
    static_configs:
    - targets: ['prometheus.tcp.com:9100']

[root@localhost ~] systemctl restart prometheus

3) web显示