1

터미널1

k ns default

watch -d kubectl get deploy,rs,po





터미널2

디플로이먼트 만들자.



cat <<EOT > eks-sample-deployment.yaml

apiVersion: apps/v1

kind: Deployment

metadata:

  name: eks-sample-linux-deployment

  namespace: eks-sample-app

  labels:

    app: eks-sample-linux-app

spec:

  replicas: 3

  selector:

    matchLabels:

      app: eks-sample-linux-app

  template:

    metadata:

      labels:

        app: eks-sample-linux-app

    spec:

      affinity:

        nodeAffinity:

          requiredDuringSchedulingIgnoredDuringExecution:

            nodeSelectorTerms:

            - matchExpressions:

              - key: kubernetes.io/arch

                operator: In

                values:

                - amd64

                - arm64

      containers:

      - name: nginx

        image: public.ecr.aws/nginx/nginx:1.23

        ports:

        - name: http

          containerPort: 80

        imagePullPolicy: IfNotPresent

      nodeSelector:

        kubernetes.io/os: linux

EOT



kubectl apply -f eks-sample-deployment.yaml





2

k get deploy,po



NAME                                          READY   UP-TO-DATE   AVAILABLE   AGE

deployment.apps/eks-sample-linux-deployment   2/2     2            2           15m



NAME                                               READY   STATUS    RESTARTS   AGE

pod/eks-sample-linux-deployment-66cfbc47b7-4g9xw   1/1     Running   0          15m

pod/eks-sample-linux-deployment-66cfbc47b7-rp7cg   1/1     Running   0          15m







kubectl scale deploy eks-sample-linux-deployment --replicas=6

# 디플로이 다음 디플로이먼트 이름이 나와야 한다.



k get deploy,po



NAME                                          READY   UP-TO-DATE   AVAILABLE   AGE

deployment.apps/eks-sample-linux-deployment   6/6     6            6           15m



NAME                                               READY   STATUS    RESTARTS   AGE

pod/eks-sample-linux-deployment-66cfbc47b7-4g9xw   1/1     Running   0          15m

pod/eks-sample-linux-deployment-66cfbc47b7-5fqqv   1/1     Running   0          5s

pod/eks-sample-linux-deployment-66cfbc47b7-9stlj   1/1     Running   0          5s

pod/eks-sample-linux-deployment-66cfbc47b7-fzw4p   1/1     Running   0          5s

pod/eks-sample-linux-deployment-66cfbc47b7-rp7cg   1/1     Running   0          15m

pod/eks-sample-linux-deployment-66cfbc47b7-x7phw   1/1     Running   0          5s



또는



kubectl scale deployment.apps/eks-sample-linux-deployment --replicas=6





3



k ns

default

eks-sample-app

kube-node-lease

kube-public

kube-system





k ns eks-sample-app

Context "12-24-user@myeks.ap-northeast-2.eksctl.io" modified.

Active namespace is "eks-sample-app".