| 突发奇想

K8S中HPA指标UNKNOWN解决方案

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kubectl describe hpa

日志里如果报错

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unable to get metrics for resource memory: unable to fetch metrics from resource metrics API: 
the server could not find the requested resource (get pods.metrics.k8s.io)

解决方案：部署metrics-server

image.png

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- --kubelet-insecure-tls
image: registry.cn-hangzhou.aliyuncs.com/google_containers/metrics-server:v0.7.1

  • 执行命令

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    kubectl apply -f components.yaml

  • 检查Metrics Server部署

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kubectl get deployment metrics-server -n kube-system

  • 检查Metrics Server日志

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    kubectl logs -n kube-system deployment/metrics-server

  • 验证Metrics API Endpoint

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    kubectl get --raw /apis/metrics.k8s.io/v1beta1/nodes
    kubectl get --raw /apis/metrics.k8s.io/v1beta1/pods