代码语言：javascript复制
$ k get svc kube-dns -n kube-system -o yaml
apiVersion: v1
kind: Service
metadata:
annotations:
prometheus.io/port: "9153"
prometheus.io/scrape: "true"
creationTimestamp: "2021-12-13T13:51:48Z"
labels:
k8s-app: kube-dns
kubernetes.io/cluster-service: "true"
kubernetes.io/name: KubeDNS
name: kube-dns
namespace: kube-system
resourceVersion: "237"
uid: 3dd1a169-1bb9-4500-b065-12a605b2ec54
spec:
clusterIP: 10.96.0.10
clusterIPs:
- 10.96.0.10
ports:
- name: dns
port: 53
protocol: UDP
targetPort: 53
- name: dns-tcp
port: 53
protocol: TCP
targetPort: 53
- name: metrics
port: 9153
protocol: TCP
targetPort: 9153
selector:
k8s-app: kube-dns
sessionAffinity: None
type: ClusterIP
status:
loadBalancer: {}
$ k get po -n kube-system -l k8s-app=kube-dns
NAME READY STATUS RESTARTS AGE
coredns-74ff55c5b-dgk6m 1/1 Running 0 46h
coredns-74ff55c5b-hg46l 1/1 Running 0 46h
$ cat <<EOF | kubectl apply -f -
apiVersion: apps/v1
kind: Deployment
metadata:
name: web2
labels:
app-name1: web1
app-name2: web2
spec:
replicas: 1
selector:
matchLabels:
app-name1: web1
app-name2: web2
template:
metadata:
labels:
app-name1: web1
app-name2: web2
spec:
containers:
- name: nginx
image: quay.io/bitnami/nginx:latest
ports:
- containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
name: svc-web
spec:
type: NodePort
selector:
app-name1: web1
app-name2: web2
ports:
- port: 80
targetPort: 80
nodePort: 30000
EOF
$ k get svc svc-web
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
svc-web NodePort 10.96.151.118 <none> 80:30000/TCP 14m
$ curl http://node-ip:30000参考
- cka/ckad应试指南：从docker到kubernetes完全攻略 ch-12
LEo at 12:12
