我在 Kubespray 的帮助下安装了 kubernetes 集群。具有 3 个节点(2 个主节点和 1 个工作节点)的集群。节点1 - 10.1.10.110,节点2 - 10.1.10.111,节点3 - 10.1.10.112
$ kubectl get nodes
NAME STATUS ROLES AGE VERSION
node1 Ready master 12d v1.18.5
node2 Ready master 12d v1.18.5
node3 Ready <none> 12d v1.18.5
我在 node1 (10.1.10.110) 中部署了这个 pod,并暴露了 nodeport 服务,如图所示。
NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
default pod/httpd-deployment-598596ddfc-n56jq 1/1 Running 0 7d21h 10.233.64.15 node1 <none> <none>
---
NAMESPACE NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR
default service/httpd-service NodePort 10.233.16.84 <none> 80:31520/TCP 12d app=httpd
服务说明
$ kubectl describe services -n default httpd-service
Name: httpd-service
Namespace: default
Labels: <none>
Annotations: <none>
Selector: app=httpd
Type: NodePort
IP: 10.233.16.84
Port: <unset> 80/TCP
TargetPort: 80/TCP
NodePort: <unset> 31520/TCP
Endpoints: 10.233.64.15:80
Session Affinity: None
External Traffic Policy: Cluster
问题:我可以从 node1:31520(实际部署 pod 的位置)访问服务,但无法从其他节点(node2:31520(或)node3:31520)访问相同的服务
$curl http://10.1.10.110:31520
<html><body><h1>It Works!</h1></body></html>
but if I curl with other node IP, timed out response
$curl http://10.1.10.111:31520
curl (7): Failed connect to 10.1.10.111; Connection timed out
$curl http://10.1.10.112:31520
curl (7): Failed connect to 10.1.10.112; Connection timed out
谁能建议我缺少什么?