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# 打label
kubectl label nodes <node-name> <label-key>=<label-value>
# 显示label
kubectl get node --show-labels

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apiVersion: v1
kind: Pod
metadata:
  name: nginx
  labels:
    env: test
spec:
  containers:
  - name: nginx
    image: nginx
    imagePullPolicy: IfNotPresent
  nodeSelector:
    disktype: ssd