K8s中容忍搭配污点实验

[root@k8s-master ~]#kubectl taint nodes k8s-node1 check1=yuanzhang1:NoExecute
node/k8s-node1 tainted

[root@k8s-master ~]#kubectl taint nodes k8s-node2 check2=yuanzhang2:NoExecute
node/k8s-node2 tainted

[root@k8s-master ~]#kubectl taint nodes k8s-node3 check3=yuanzhang3:NoExecute
node/k8s-node3 tainted

apiVersion: v1
kind: Pod
metadata:
  name: taint-tolerate-pod
spec:
  containers:
  - name: taint-tolerate
    image: myapp-nginx:v1
    imagePullPolicy: IfNotPresent
  tolerations:
    - key: "check1"  #污点的key
      operator: "Equal"  #Equal等于value值
      value: "yuanzhang1"  #污点的value
      effect: "NoExecute"  #污点的effect
      tolerationSeconds: 3600  #驱逐时继续保留运行的时间

pod/taint-tolerate-pod created

NAME                 READY   STATUS    RESTARTS   AGE    IP            NODE        NOMINATED NODE   READINESS GATES
taint-tolerate-pod   1/1     Running   0          1s     10.244.1.16   k8s-node1   <none>           <none>