k8s二进制部署 - dashboard安装

配置资源清单
rbac.yaml

apiVersion: v1
kind: ServiceAccount
metadata:
labels:
k8s-app: kubernetes-dashboard
addonmanager.kubernetes.io/mode: Reconcile
name: kubernetes-dashboard-admin
namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: kubernetes-dashboard-admin
namespace: kube-system
labels:
k8s-app: kubernetes-dashboard
addonmanager.kubernetes.io/mode: Reconcile
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: cluster-admin
subjects:
- kind: ServiceAccount
name: kubernetes-dashboard-admin
namespace: kube-system

deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
name: kubernetes-dashboard
namespace: kube-system
labels:
k8s-app: kubernetes-dashboard
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
spec:
selector:
matchLabels:
k8s-app: kubernetes-dashboard
template:
metadata:
labels:
k8s-app: kubernetes-dashboard
annotations:
scheduler.alpha.kubernetes.io/critical-pod: ''
spec:
priorityClassName: system-cluster-critical
containers:
- name: kubernetes-dashboard
image: harbor.od.com/public/kubernetes-dashboard-amd64:v1.10.1
resources:
limits:
cpu: 100m
memory: 300Mi
requests:
cpu: 50m
memory: 100Mi
ports:
- containerPort: 8443
protocol: TCP
args:
# PLATFORM-SPECIFIC ARGS HERE
- --auto-generate-certificates
volumeMounts:
- name: tmp-volume
mountPath: /tmp
livenessProbe:
httpGet:
scheme: HTTPS
path: /
port: 8443
initialDelaySeconds: 30
timeoutSeconds: 30
volumes:
- name: tmp-volume
emptyDir: {}
serviceAccountName: kubernetes-dashboard-admin
tolerations:
- key: "CriticalAddonsOnly"
operator: "Exists"

service.yaml

apiVersion: v1
kind: Service
metadata:
name: kubernetes-dashboard
namespace: kube-system
labels:
k8s-app: kubernetes-dashboard
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
spec:
selector:
k8s-app: kubernetes-dashboard
ports:
- port: 443
targetPort: 8443

ingress.yaml

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: kubernetes-dashboard
namespace: kube-system
annotations:
kubernetes.io/ingress.class: traefik
spec:
rules:
- host: dashboard.od.com
http:
paths:
- backend:
serviceName: kubernetes-dashboard
servicePort: 443

交付dashboard到k8s

[root@hdss7-21 ~]# kubectl apply -f http://k8s-yaml.od.com/dashboard/dashboard_1.10.1/rbac.yaml
[root@hdss7-21 ~]# kubectl apply -f http://k8s-yaml.od.com/dashboard/dashboard_1.10.1/deployment.yaml
[root@hdss7-21 ~]# kubectl apply -f http://k8s-yaml.od.com/dashboard/dashboard_1.10.1/service.yaml
[root@hdss7-21 ~]# kubectl apply -f http://k8s-yaml.od.com/dashboard/dashboard_1.10.1/ingress.yaml

签发SSL证书

[root@hdss7-200 ~]# cd /opt/certs/
[root@hdss7-200 certs]# (umask 077; openssl genrsa -out dashboard.od.com.key 2048)
[root@hdss7-200 certs]# openssl req -new -key dashboard.od.com.key -out dashboard.od.com.csr -subj "/CN=dashboard.od.com/C=CN/ST=BJ/L=Beijing/O=OldboyEdu/OU=ops"
[root@hdss7-200 certs]# openssl x509 -req -in dashboard.od.com.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out dashboard.od.com.crt -days 3650
[root@hdss7-200 certs]# ll dashboard.od.com.*
-rw-r--r-- 1 root root 1196 Jan 29 20:52 dashboard.od.com.crt
-rw-r--r-- 1 root root 1005 Jan 29 20:51 dashboard.od.com.csr
-rw------- 1 root root 1675 Jan 29 20:51 dashboard.od.com.key
[root@hdss7-200 certs]# scp dashboard.od.com.key dashboard.od.com.crt hdss7-11:/etc/nginx/certs/
[root@hdss7-200 certs]# scp dashboard.od.com.key dashboard.od.com.crt hdss7-12:/etc/nginx/certs/

配置Nginx

[root@hdss7-11 ~]# vim /etc/nginx/conf.d/dashborad.conf
server {
listen 80;
server_name dashboard.od.com;
rewrite ^(.*)$ https://${server_name}$1 permanent;
}
server {
listen 443 ssl;
server_name dashboard.od.com;
ssl_certificate "certs/dashboard.od.com.crt";
ssl_certificate_key "certs/dashboard.od.com.key";
ssl_session_cache shared:SSL:1m;
ssl_session_timeout 10m;
ssl_ciphers HIGH:!aNULL:!MD5;
ssl_prefer_server_ciphers on;
location / {
proxy_pass http://default_backend_traefik;
proxy_set_header Host $http_host;
proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for;
}
}
[root@hdss7-11 ~]# nginx -t && nginx -s reload

测试token登陆

[root@hdss7-21 ~]# kubectl get secret -n kube-system|grep kubernetes-dashboard-token
kubernetes-dashboard-token-hr5rj kubernetes.io/service-account-token 3 17m
[root@hdss7-21 ~]# kubectl describe secret kubernetes-dashboard-token-hr5rj -n kube-system|grep ^token
token: eyJhbGciOiJSUzI1NiIsImtpZCI6IiJ9.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.SDUZEkH_N0B6rjm6bW_jN03F4pHCPafL3uKD2HU0ksM0oenB2425jxvfi16rUbTRCsfcGqYXRrE2x15gpb03fb3jJy-IhnInUnPrw6ZwEdqWagen_Z4tdFhUgCpdjdShHy40ZPfql_iuVKbvv7ASt8w8v13Ar3FxztyDyLScVO3rNEezT7JUqMI4yj5LYQ0IgpSXoH12tlDSTyX8Rk2a_3QlOM_yT5GB_GEZkwIESttQKVr7HXSCrQ2tEdYA4cYO2AbF1NgAo_CVBNNvZLvdDukWiQ_b5zwOiO0cUbbiu46x_p6gjNWzVb7zHNro4gh0Shr4hIhiRQot2DJ-sq94Ag