飞天使-k8s知识点4-验证安装好后功能

本文主要是介绍飞天使-k8s知识点4-验证安装好后功能，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

接k8s知识点2之验证集群功能

[root@kubeadm-master2 tmp]# kubectl run net-test1  --image=alpine  sleep 36000
pod/net-test1 created
[root@kubeadm-master2 tmp]# kubectl get pod
NAME        READY   STATUS    RESTARTS   AGE
net-test1   1/1     Running   0          9s
[root@kubeadm-master2 tmp]# kubectl get pod -o wide
NAME        READY   STATUS    RESTARTS   AGE   IP           NODE                NOMINATED NODE   READINESS GATES
net-test1   1/1     Running   0          23s   10.100.3.2   ha1.example.local   <none>           <none>

创建dashboard

https://github.com/kubernetes/dashboard
wget https://raw.githubusercontent.com/kubernetes/dashboard/v2.2.0/aio/deploy/recommended.yaml
mv recommended.yaml  dashboard-2.2.4.yaml[root@kubeadm-master1 m43]# kubectl apply -f dashboard-2.2.0_m43.yaml  -f admin-user.yaml
namespace/kubernetes-dashboard created
serviceaccount/kubernetes-dashboard created
service/kubernetes-dashboard created
secret/kubernetes-dashboard-certs created
secret/kubernetes-dashboard-csrf created
secret/kubernetes-dashboard-key-holder created
configmap/kubernetes-dashboard-settings created
role.rbac.authorization.k8s.io/kubernetes-dashboard created
clusterrole.rbac.authorization.k8s.io/kubernetes-dashboard created
rolebinding.rbac.authorization.k8s.io/kubernetes-dashboard created
clusterrolebinding.rbac.authorization.k8s.io/kubernetes-dashboard created
deployment.apps/kubernetes-dashboard created
service/dashboard-metrics-scraper created
deployment.apps/dashboard-metrics-scraper created
serviceaccount/admin-user created
clusterrolebinding.rbac.authorization.k8s.io/admin-user created
[root@kubeadm-master1 m43]# kubectl get svc -n kubernetes-dashboard
NAME                        TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)         AGE
dashboard-metrics-scraper   ClusterIP   10.200.158.176   <none>        8000/TCP        9s
kubernetes-dashboard        NodePort    10.200.215.254   <none>        443:32002/TCP   10s[root@kubeadm-master1 m43]#  kubectl get secret -A | grep admin
kubernetes-dashboard   admin-user-token-49f94                           kubernetes.io/service-account-token   3      19m
[root@kubeadm-master1 m43]# kubectl describe secret admin-user-token-49f94 -n kubernetes-dashboard
Name:         admin-user-token-49f94
Namespace:    kubernetes-dashboard
Labels:       <none>
Annotations:  kubernetes.io/service-account.name: admin-userkubernetes.io/service-account.uid: a03e2d07-6341-4982-867f-5b44c06c263bType:  kubernetes.io/service-account-tokenData
====
ca.crt:     1066 bytes
namespace:  20 bytes
token:      eyJhbGciOiJSUzI1NiIsImtpZCI6Inl5bjFBQ2FTMWs5dUUxUHFnVnhqMmFHSE01Um5FVjNMcjRxS3NpQUJ2bmcifQ.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.MlfYzXvCkmxx2wxpPPh32dAPyHilg3hdacHBN8iueu6H6jQtn0Ilezw3u4_2QXzgH68xcqmL4O8dOo68DkwXmh_37oEFD9tFAdhEilygxkcPo7lSOuQxu9dk9W79cPxFmnn8AMvYFyIXgBOsyw9NcF9w77q8cecqSxN8qQH0K9uf4N52iO6MkbCQ-t2gwpljWXHg3BREk

验证安装nginx 并访问

 apiVersion: apps/v1
kind: Deployment
metadata:namespace: defaultname: nginx-deploymentlabels:app: nginx
spec:replicas: 1selector:matchLabels:app: nginxtemplate:metadata:labels:app: nginxspec:containers:- name: nginximage: nginx:1.18.0ports:- containerPort: 80---
kind: Service
apiVersion: v1
metadata:labels:app: test-nginx-service-labelname: test-nginx-servicenamespace: default
spec:type: NodePortports:- name: httpport: 80protocol: TCPtargetPort: 80nodePort: 30004selector:app: nginx

tomcat 访问

apiVersion: apps/v1
kind: Deployment
metadata:namespace: defaultname: tomcat-deploymentlabels:app: tomcat
spec:replicas: 1selector:matchLabels:app: tomcattemplate:metadata:labels:app: tomcatspec:containers:- name: tomcatimage: tomcatports:- containerPort: 8080---
kind: Service
apiVersion: v1
metadata:labels:app: test-tomcat-service-labelname: test-tomcat-servicenamespace: default
spec:type: NodePortports:- name: httpport: 80protocol: TCPtargetPort: 8080nodePort: 30005selector:app: tomcat

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