我已经创建了 Docker 映像,并部署在具有最少数量机器的 k8s 集群中,设置了一台主机和一台工作机,两台机器都已启动并运行,并使用相同的 VLAN 网络相互通信。
请查找以下 Pod 和部署服务以及所描述的状态
root@jenkins-linux-vm:/home/admin# kubectl describe services angular-service
Name: angular-service
Namespace: pre-release
Labels: <none>
Annotations: kubectl.kubernetes.io/last-applied-configuration:
{"apiVersion":"v1","kind":"Service","metadata":{"annotations":{},"name":"angular-service","namespace":"pre-release"},"spec":{"ports":[{"no...
Selector: app=frontend-app
Type: NodePort
IP: 10.96.151.155
Port: <unset> 80/TCP
TargetPort: 80/TCP
NodePort: <unset> 31000/TCP
Endpoints: 10.32.0.6:80
Session Affinity: None
External Traffic Policy: Cluster
Events: <none>
root@jenkins-linux-vm:/home/admin# kubectl get pods
NAME READY STATUS RESTARTS AGE
angular-deployment-7b8d45f48d-b59pv 1/1 Running 0 51m
root@jenkins-linux-vm:/home/admin# kubectl get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
angular-service NodePort 10.96.151.155 <none> 80:31000/TCP 64m
root@jenkins-linux-vm:/home/admin# kubectl get pods --selector="app=frontend-app" --output=wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
angular-deployment-7b8d45f48d-b59pv 1/1 Running 0 52m 10.32.0.6 poc-worker2 <none> <none>
root@jenkins-linux-vm:/home/admin# kubectl describe pods angular-deployment-7b8d45f48d-b59pv
Name: angular-deployment-7b8d45f48d-b59pv
Namespace: pre-release
Priority: 0
Node: poc-worker2/10.0.0.6
Start Time: Tue, 21 Jan 2020 05:15:49 +0000
Labels: app=frontend-app
pod-template-hash=7b8d45f48d
Annotations: <none>
Status: Running
IP: 10.32.0.6
IPs:
IP: 10.32.0.6
Controlled By: ReplicaSet/angular-deployment-7b8d45f48d
Containers:
frontend-app:
Container ID: docker://751a9fb4a5e908fa1a02eb0460ab1659904362a727a028fdf72489df663a4f69
Image: frontend-app:future-master-fix-d1afa608
Image ID: docker://sha256:0099587db89de9ef999a7d1f087d4781e73c491b17e89392e92b08d2f935ad27
Port: 80/TCP
Host Port: 0/TCP
State: Running
Started: Tue, 21 Jan 2020 05:15:54 +0000
Ready: True
Restart Count: 0
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-r67p7 (ro)
Conditions:
Type Status
Initialized True
Ready True
ContainersReady True
PodScheduled True
Volumes:
default-token-r67p7:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-r67p7
Optional: false
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node.kubernetes.io/not-ready:NoExecute for 300s
node.kubernetes.io/unreachable:NoExecute for 300s
Events: <none>
现在的问题是我无法使用端口访问我的应用程序,即使它也无法在网络浏览器中工作。
curl http://<public-node-ip>:<node-port>
curl http://10.0.0.6:31000
Docker 文件
FROM node:latest as node
WORKDIR /app
COPY . .
RUN npm install
RUN npm run build --prod
# stage 2
FROM nginx:alpine
COPY --from=node /app/dist/hello-angular /usr/share/nginx/html
root@jenkins-linux-vm:/home/admin# kubectl exec -it angular-deployment-7b8d45f48d-b59pv curl 10.96.151.155:80
curl: (7) Failed to connect to 10.96.151.155 port 80: Connection refused
command terminated with exit code 7
root@jenkins-linux-vm:/home/admin/kubernetes# kubectl run busybox --image=busybox --restart=Never -it --rm --command -- /bin/sh -c "wget 10.96.208.252:80;cat index.html"
Connecting to 10.96.208.252:80 (10.96.208.252:80)
saving to 'index.html'
index.html 100% |********************************| 593 0:00:00 ETA
'index.html' saved
<!doctype html><html lang="en"><head><meta charset="utf-8"><title>AngularApp</title><base href="/"><meta name="viewport" content="width=device-width,initial-scale=1"><link rel="icon" type="image/x-icon" href="favicon.ico"><link href="styles.9c0ad738f18adc3d19ed.bundle.css" rel="stylesheet"/></head><body><app-root></app-root><script type="text/javascript" src="inline.720eace06148cc3e71aa.bundle.js"></script><script type="text/javascript" src="polyfills.f20484b2fa4642e0dca8.bundle.js"></script><script type="text/javascript" src="main.11bc84b3b98cd0d00106.bundle.js"></script></body></html>pod "busybox" deleted
root@jenkins-linux-vm:/home/admin/kubernetes# kubectl run busybox --image=busybox --restart=Never -it --rm --command -- /bin/sh -c "wget 10.0.0.6:32331;cat index.html"
Connecting to 10.0.0.6:32331 (10.0.0.6:32331)
wget: can't connect to remote host (10.0.0.6): Connection refused
cat: can't open 'index.html': No such file or directory
pod "busybox" deleted
pod pre-release/busybox terminated (Error)