prometheus returnd cannot validate certificate

[liyehaha]

Hi I had this problem when using prometheus in kubernetes.

The error log is:
ERRO[0000] Cannot initialize nodes collection: unable to list Kubernetes nodes: unable to query any API servers: Get https://172.60.0.1:443/api/v1/nodes: x509: cannot validate certificate for 172.60.0.1 because it doesn't contain any IP SANs source=node.go:124

The prometheus config file is:
`scrape_configs:

• job_name: 'kubernetes-cluster'
  scheme: https
  tls_config:
  ca_file: /var/run/kubernetes/cert/ca.crt
  key_file: /var/run/kubernetes/cert/kubelet.key
  cert_file: /var/run/kubernetes/cert/kubelet.crt
  insecure_skip_verify: true

  kubernetes_sd_configs:

  • api_servers:
    • 'https://172.60.0.1:443'
      role: apiserver

• job_name: 'kubernetes-node'
  scheme: https
  tls_config:
  insecure_skip_verify: true
  ca_file: /var/run/kubernetes/cert/ca.crt
  key_file: /var/run/kubernetes/cert/prom.key
  cert_file: /var/run/kubernetes/cert/prom.crt

  kubernetes_sd_configs:

  • api_servers:
    • 'https://172.60.0.1:443'
      role: node

  relabel_configs:

  • source_labels: [__meta_kubernetes_role]
    action: keep
    regex: (?:apiserver|node)`

The problem happend when I don't set to apiserver

[brian-brazil]

Dupe of #1822

[lock]

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