k8s service-优快云博客

kubectl create service clusterip wfq-svc-cp --tcp=80:8080

kubectl create service nodeport wfq-svc-np --tcp=1234:80

kubectl create service clusterip wfq-svc-headless --clusterip="None"


root@server02:~# kubectl create service clusterip wfq-svc-cp --tcp=80:8080
service "wfq-svc-cp" created
root@server02:~#
root@server02:~#
root@server02:~# kubectl create service nodeport wfq-svc-np --tcp=1234:80
service "wfq-svc-np" created
root@server02:~#
root@server02:~#
root@server02:~# kubectl create service clusterip wfq-svc-headless --clusterip="None"
service "wfq-svc-headless" created
root@server02:~#
root@server02:~#
root@server02:~# kubectl get svc
NAME                  TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)          AGE
kubernetes            ClusterIP   10.68.0.1       <none>        443/TCP          226d
kubernetes-bootcamp   NodePort    10.68.70.33     <none>        80:34824/TCP     226d
my-nginx              ClusterIP   10.68.4.181     <none>        8090/TCP         22h
my-srv-cp             ClusterIP   10.68.45.143    <none>        80/TCP           23h
my-svc-headless       ClusterIP   None            <none>        <none>           23h
my-svc-np             NodePort    10.68.210.209   <none>        1234:24209/TCP   23h
nginx-service         NodePort    10.68.121.152   <none>        8080:20000/TCP   226d
wfq-svc-cp            ClusterIP   10.68.56.155    <none>        80/TCP           1m
wfq-svc-headless      ClusterIP   None            <none>        <none>           11s
wfq-svc-np            NodePort    10.68.108.6     <none>        1234:21388/TCP   40s
root@server02:~#
root@server02:~#
root@server02:~# kubectl describe service wfq-svc-cp
Name:              wfq-svc-cp
Namespace:         default
Labels:            app=wfq-svc-cp
Annotations:       <none>
Selector:          app=wfq-svc-cp
Type:              ClusterIP
IP:                10.68.56.155
Port:              80-8080  80/TCP
TargetPort:        8080/TCP
Endpoints:         <none>
Session Affinity:  None
Events:            <none>
root@server02:~#
root@server02:~# kubectl describe service wfq-svc-np
Name:                     wfq-svc-np
Namespace:                default
Labels:                   app=wfq-svc-np
Annotations:              <none>
Selector:                 app=wfq-svc-np
Type:                     NodePort
IP:                       10.68.108.6
Port:                     1234-80  1234/TCP
TargetPort:               80/TCP
NodePort:                 1234-80  21388/TCP
Endpoints:                <none>
Session Affinity:         None
External Traffic Policy:  Cluster
Events:                   <none>
root@server02:~#
root@server02:~# kubectl describe service wfq-svc-headless
Name:              wfq-svc-headless
Namespace:         default
Labels:            app=wfq-svc-headless
Annotations:       <none>
Selector:          app=wfq-svc-headless
Type:              ClusterIP
IP:                None
Session Affinity:  None
Events:            <none>