代码语言：javascript复制
$ cat <<EOF | kubectl apply -f -
apiVersion: apps/v1
kind: Deployment
metadata:
name: web1
labels:
app-name: web1
spec:
replicas: 2
selector:
matchLabels:
app-name: web1
template:
metadata:
labels:
app-name: web1
spec:
containers:
- name: nginx
image: quay.io/songleo/nginx:1.9
ports:
- containerPort: 80
strategy:
rollingUpdate:
maxSurge: 1
maxUnavailable: 1
EOF
$ k get po
NAME READY STATUS RESTARTS AGE
web1-778bc6fd85-5ktx9 1/1 Running 0 8s
web1-778bc6fd85-g5jct 1/1 Running 0 8s
$ kubectl scale deployment/web1 --replicas=6
deployment.apps/web1 scaled
$ k get po
NAME READY STATUS RESTARTS AGE
web1-778bc6fd85-5ktx9 1/1 Running 0 73s
web1-778bc6fd85-7gzxw 1/1 Running 0 5s
web1-778bc6fd85-8s5jn 1/1 Running 0 5s
web1-778bc6fd85-g5jct 1/1 Running 0 73s
web1-778bc6fd85-nwd48 1/1 Running 0 5s
web1-778bc6fd85-x9bjz 1/1 Running 0 5s
$ kubectl set image deployment/web1 nginx=quay.io/songleo/nginx --record=true
deployment.apps/web1 image updated
$ k get po
NAME READY STATUS RESTARTS AGE
web1-6db6d5457c-2btmw 0/1 ContainerCreating 0 2s
web1-6db6d5457c-8bktg 1/1 Running 0 5s
web1-6db6d5457c-bxlsd 1/1 Running 0 4s
web1-6db6d5457c-lnqq6 1/1 Running 0 5s
web1-6db6d5457c-lt5d9 0/1 ContainerCreating 0 3s
web1-6db6d5457c-zq5z5 1/1 Running 0 4s
web1-778bc6fd85-5ktx9 1/1 Running 0 2m48s
web1-778bc6fd85-7gzxw 0/1 Terminating 0 100s
web1-778bc6fd85-8s5jn 0/1 Terminating 0 100s
web1-778bc6fd85-g5jct 1/1 Terminating 0 2m48s
web1-778bc6fd85-nwd48 1/1 Terminating 0 100s
web1-778bc6fd85-x9bjz 0/1 Terminating 0 100s
$ kubectl rollout history deployment/web1
deployment.apps/web1
REVISION CHANGE-CAUSE
1 <none>
2 kubectl set image deployment/web1 nginx=quay.io/songleo/nginx --record=true
$ kubectl rollout undo deployment/web1 --to-revision=1
deployment.apps/web1 rolled back
$ kgp
NAME READY STATUS RESTARTS AGE
web1-6db6d5457c-lnqq6 0/1 Terminating 0 3m51s
web1-778bc6fd85-9gkrg 1/1 Running 0 12s
web1-778bc6fd85-jzlnl 1/1 Running 0 11s
web1-778bc6fd85-lkc47 1/1 Running 0 11s
web1-778bc6fd85-pc9lt 1/1 Running 0 12s
web1-778bc6fd85-q29cd 1/1 Running 0 10s
web1-778bc6fd85-wg2s5 1/1 Running 0 9s
$ kdp web1-778bc6fd85-9gkrg
Name: web1-778bc6fd85-9gkrg
Namespace: ch8
Priority: 0
Node: kind-control-plane/172.18.0.2
Start Time: Thu, 16 Dec 2021 19:40:00 0800
Labels: app-name=web1
pod-template-hash=778bc6fd85
Annotations: <none>
Status: Running
IP: 10.244.0.30
IPs:
IP: 10.244.0.30
Controlled By: ReplicaSet/web1-778bc6fd85
Containers:
nginx:
Container ID: containerd://a392d1ae4773d0babd8687c5a5ac7c58009ea7c429188728a0041a10fe1c7b4e
Image: quay.io/songleo/nginx:1.9
Image ID: quay.io/songleo/nginx@sha256:e18c5814a9f7ddd5fe410f17417a48d2de562325e9d71337274134f4a6654e3f
Port: 80/TCP
Host Port: 0/TCP
State: Running
Started: Thu, 16 Dec 2021 19:40:00 0800
Ready: True
Restart Count: 0
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-j7cwx (ro)
Conditions:
Type Status
Initialized True
Ready True
ContainersReady True
PodScheduled True
Volumes:
default-token-j7cwx:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-j7cwx
Optional: false
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled 21s default-scheduler Successfully assigned ch8/web1-778bc6fd85-9gkrg to kind-control-plane
Normal Pulled 22s kubelet Container image "quay.io/songleo/nginx:1.9" already present on machine
Normal Created 22s kubelet Created container nginx
Normal Started 22s kubelet Started container nginx参考
- cka/ckad应试指南：从docker到kubernetes完全攻略 ch-8
LEo at 00:12
