k8s—Dashboard

Dashboard

• 11111
• 222

11111

上传镜像到仓库

• kubectl apply -f recommended.yaml
  

  

• kubectl -n kubernetes-dashboard get all
  

  

• kubectl -n kubernetes-dashboard edit svc kubernetes-dashboard
  

  

[root@server1 mnt]# kubectl -n kubernetes-dashboard edit svc kubernetes-dashboard 
service/kubernetes-dashboard edited

[root@foundation33 mnt]# cat dashrole.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
Metadata:
  name: kubernetes-dashboard-admin
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- kind: ServiceAccount
  name: kubernetes-dashboard
  namespace: kubernetes-dashboard

[root@server1 mnt]# kubectl -n kubernetes-dashboard get svc
NAME                        TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)         AGE
dashboard-metrics-scraper   ClusterIP   10.101.62.88     <none>        8000/TCP        36m
kubernetes-dashboard        NodePort    10.109.159.227   <none>        443:32662/TCP   36m

[root@server1 mnt]# kubectl -n kubernetes-dashboard get secrets 
NAME                               TYPE                                  DATA   AGE
default-token-dnljf                kubernetes.io/service-account-token   3      39m
kubernetes-dashboard-certs         Opaque                                0      39m
kubernetes-dashboard-csrf          Opaque                                1      39m
kubernetes-dashboard-key-holder    Opaque                                2      39m
kubernetes-dashboard-token-rrl27   kubernetes.io/service-account-token   3      39m
tls-secret                         kubernetes.io/tls                     2      11m
[root@server1 mnt]# kubectl -n kubernetes-dashboard describe secrets kubernetes-dashboard-token-rrl27
Name:         kubernetes-dashboard-token-rrl27
Namespace:    kubernetes-dashboard
Labels:       <none>
Annotations:  kubernetes.io/service-account.name: kubernetes-dashboard
              kubernetes.io/service-account.uid: c99943f9-88e0-41f8-acfe-7e3ab35f98d1

Type:  kubernetes.io/service-account-token

Data
====
ca.crt:     1066 bytes
namespace:  20 bytes
token:      eyJhbGciOiJSUzI1NiIsImtpZCI6IjhWZ180SzE4emmzdkRiNkZqSWZ3cmZDWlFBQ1VLWVNDLTN5V1AxeWZUWDaifQ.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.iqLmVfd5SBe1jGAO5-NRNf9CQYt_LX5ybCnx2ILs5xy2H1jmOIN7SrYOpwAZklm_4oCMTrad6klb2btsHtuMBp3oUOnJWRO7JZajm193aYFCe7t-t-nE5ntCV7diotF_I_d_XX2uI0A15eeS-MIMqiKQRcA9rEyFpGLAsdn2foVSMJWZpRPOZRghJW7Vo46g_NKT4kse9zF2rKo4IQ-qd5J7PJlZyQtDo00F5j4E5M61x60d7fD_opodePVso8P86NALvHylJz3_c8pXzIht8ftpMMRuu2OK4FhBPCMSMM-zLeQ8N-HptPNrIdKxGJzmSK-Td8g4Eeu_z4SDuNVwYA

将token输入认证，登陆网页;

222

上传镜像

[root@server1 hpa]# cat hpa.yaml 
apiVersion: apps/v1
kind: Deployment
Metadata:
  name: PHP-apache
spec:
  selector:
    matchLabels:
      run: PHP-apache
  replicas: 1
  template:
    Metadata:
      labels:
        run: PHP-apache
    spec:
      containers:
      - name: PHP-apache
        image: hpa-example
        ports:
        - containerPort: 80
        resources:
          limits:
            cpu: 500m
          requests:
            cpu: 200m

---

apiVersion: v1
kind: Service
Metadata:
  name: PHP-apache
  labels:
    run: PHP-apache
spec:
  ports:
  - port: 80
  selector:
    run: PHP-apache

[root@server1 hpa]# kubectl apply -f hpa.yaml 
deployment.apps/PHP-apache created
service/PHP-apache created

[root@server1 hpa]# kubectl describe svc PHP-apache 
Name:              PHP-apache
Namespace:         default
Labels:            run=PHP-apache
Annotations:       <none>
Selector:          run=PHP-apache
Type:              ClusterIP
IP Family Policy:  SingleStack
IP Families:       IPv4
IP:                10.108.147.206
IPs:               10.108.147.206
Port:              <unset>  80/TCP
TargetPort:        80/TCP
Endpoints:         <none>
Session Affinity:  None
Events:            <none>

[root@server1 hpa]# kubectl get pod
NAME                                  READY   STATUS             RESTARTS   AGE
demo                                  0/1     Pending            0          20h
memory-demo                           0/1     CrashLoopBackOff   85         20h
myapp-deployment-59dff4cf5d-dd87l     1/1     Running            1          26h
myapp-deployment-59dff4cf5d-tnrs7     1/1     Running            1          26h
myapp-deployment-59dff4cf5d-wdv2f     1/1     Running            1          26h
myNginx-deployment-55f464cc48-djvc9   1/1     Running            1          26h
myNginx-deployment-55f464cc48-phh85   1/1     Running            1          26h
myNginx-deployment-55f464cc48-sfwmr   1/1     Running            1          26h
PHP-apache-6cc67f7957-hrc9z           1/1     Running            0          6m10s
web-0                                 1/1     Running            1          19h
web-1                                 1/1     Running            1          19h

[root@server1 hpa]# kubectl autoscale deployment PHP-apache --cpu-percent=50 --min=1 --max=10
horizontalpodautoscaler.autoscaling/PHP-apache autoscaled
[root@server1 hpa]# kubectl get hpa
NAME         REFERENCE               TARGETS   MINPODS   MAXPODS   REPLICAS   AGE
PHP-apache   Deployment/PHP-apache   0%/50%    1         10        1          19s