如何设置 Pod 到指定节点运行

云计算 2023-01-04 贤蛋大眼萌 手机阅读

1. 创建负载时，通过 nodeSelector 指定 Node

  • 给节点添加标签
1

kubectl label node node2 project=A
  • 指定 nodeSelector 创建工作负载
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22

cat <<EOF | kubectl apply -f -

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-nodeselector
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx-nodeselector
  template:
    metadata:
      labels:
        app: nginx-nodeselector
    spec:
      nodeSelector:
        project: A
      containers:
      - name: nginx
        image: nginx
EOF
  • 查看工作负载
1
2
3
4

kubectl get pod  -o wide

NAME                                  READY   STATUS    RESTARTS   AGE   IP              NODE    NOMINATED NODE   READINESS GATES
nginx-nodeselector-7bb75b7687-7r5xk   1/1     Running   0          19s   10.233.96.60    node2   <none>           <none>