Lab 8.3 step 4 failed. Do I miss something?

zhangwe

I use kubectl -n accounting describe services
NodePort: 30731/TCP

student@master:~$ kubectl cluster-info
Kubernetes master is running at https://k8smaster:6443
KubeDNS is running at https://k8smaster:6443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy

curl http://k8smaster:30731
curl: (7) Failed to connect to k8smaster port 30731: Connection refused

zhangwe

Here is the information:

Ex 8.1, step 13
student@master:~$ kubectl -n accounting get pods -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
nginx-one-79c56b47b9-7tcxj 1/1 Running 0 8m 192.168.171.111 worker
nginx-one-79c56b47b9-8z57b 1/1 Running 0 8m 192.168.171.112 worker

Ex 8.2, step 1
student@master:~$ kubectl -n accounting expose deployment \

nginx-one --type=NodePort --name=service-lab

service/service-lab exposed
student@master:~$ kubectl get pod -o wide --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
accounting nginx-one-79c56b47b9-7tcxj 1/1 Running 0 14m 192.168.171.111 worker
accounting nginx-one-79c56b47b9-8z57b 1/1 Running 0 14m 192.168.171.112 worker
kube-system calico-kube-controllers-578894d4cd-crfg6 1/1 Running 5 4d17h 192.168.219.110 master
kube-system calico-node-2kpx2 1/1 Running 5 4d17h 10.142.0.5 master
kube-system calico-node-krnsk 1/1 Running 5 4d17h 10.142.0.6 worker
kube-system coredns-66bff467f8-fxdxf 1/1 Running 4 3d11h 192.168.219.108 master
kube-system coredns-66bff467f8-spj2s 1/1 Running 5 4d16h 192.168.219.109 master
kube-system etcd-master 1/1 Running 5 4d17h 10.142.0.5 master
kube-system kube-apiserver-master 1/1 Running 5 4d17h 10.142.0.5 master
kube-system kube-controller-manager-master 1/1 Running 5 4d17h 10.142.0.5 master
kube-system kube-proxy-7r5dx 1/1 Running 5 4d17h 10.142.0.6 worker
kube-system kube-proxy-lms4p 1/1 Running 5 4d17h 10.142.0.5 master
kube-system kube-scheduler-master 1/1 Running 5 4d17h 10.142.0.5 master
low-usage-limit limited-hog-d9d756c45-76t8s 1/1 Running 3 2d21h 192.168.171.110 worker
student@master:~$

Ex 8.2, step 2
student@master:~$ kubectl -n accounting describe services
Name: service-lab
Namespace: accounting
Labels: system=secondary
Annotations:
Selector: system=secondary
Type: NodePort
IP: 10.97.208.233
Port: 8088/TCP
TargetPort: 8088/TCP
NodePort: 30215/TCP
Endpoints: 192.168.171.111:8088,192.168.171.112:8088
Session Affinity: None
External Traffic Policy: Cluster
Events:

Ex 8.2, step 3
student@master:~$ kubectl cluster-info
Kubernetes master is running at https://k8smaster:6443
KubeDNS is running at https://k8smaster:6443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy

Ex 8.2, step 4
student@master:~$ curl http://k8smaster:30215
curl: (7) Failed to connect to k8smaster port 30215: Connection refused

After Connection refused
student@master:~$ kubectl get pod -o wide -n accounting
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
nginx-one-79c56b47b9-7tcxj 1/1 Running 0 29m 192.168.171.111 worker
nginx-one-79c56b47b9-8z57b 1/1 Running 0 29m 192.168.171.112 worker

zhangwe

Thank you very much for your help.