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小编给大家分享一下Kubernetes 1.8.4 中如何安装Dashboard,希望大家阅读完这篇文章之后都有所收获,下面让我们一起去探讨吧!
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Dashboard 是 Kubernetes 社区官方开发的仪表板,有了仪表板后管理者就能够透过 Web-based 方式来管理 Kubernetes 集群,除了提升管理方便,也让资源可视化,让人更直觉看见系统信息的呈现结果。
建立kubernetes-dashboard-certs,来提供给 Dashboard TLS 使用
mkdir -p /etc/kubernetes/addons/certs && cd /etc/kubernetes/addons openssl genrsa -des3 -passout pass:x -out certs/dashboard.pass.key 2048 openssl rsa -passin pass:x -in certs/dashboard.pass.key -out certs/dashboard.key openssl req -new -key certs/dashboard.key -out certs/dashboard.csr -subj '/CN=kube-dashboard' openssl x509 -req -sha256 -days 365 -in certs/dashboard.csr -signkey certs/dashboard.key -out certs/dashboard.crt rm certs/dashboard.pass.key kubectl create secret generic kubernetes-dashboard-certs\ --from-file=certs -n kube-system
在master通过 kubectl 来建立 kubernetes dashboard 即可
cat <kube-dashboard.yml # Copyright 2017 The Kubernetes Authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # Configuration to deploy release version of the Dashboard UI compatible with # Kubernetes 1.8. # # Example usage: kubectl create -f # ------------------- Dashboard Secret ------------------- # apiVersion: v1 kind: Secret metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard-certs namespace: kube-system type: Opaque --- # ------------------- Dashboard Service Account ------------------- # apiVersion: v1 kind: ServiceAccount metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard namespace: kube-system --- # ------------------- Dashboard Role & Role Binding ------------------- # kind: Role apiVersion: rbac.authorization.k8s.io/v1 metadata: name: kubernetes-dashboard-minimal namespace: kube-system rules: # Allow Dashboard to create 'kubernetes-dashboard-key-holder' secret. - apiGroups: [""] resources: ["secrets"] verbs: ["create"] # Allow Dashboard to get, update and delete Dashboard exclusive secrets. - apiGroups: [""] resources: ["secrets"] resourceNames: ["kubernetes-dashboard-key-holder", "kubernetes-dashboard-certs"] verbs: ["get", "update", "delete"] # Allow Dashboard to get and update 'kubernetes-dashboard-settings' config map. - apiGroups: [""] resources: ["configmaps"] resourceNames: ["kubernetes-dashboard-settings"] verbs: ["get", "update"] # Allow Dashboard to get metrics from heapster. - apiGroups: [""] resources: ["services"] resourceNames: ["heapster"] verbs: ["proxy"] --- apiVersion: rbac.authorization.k8s.io/v1 kind: RoleBinding metadata: name: kubernetes-dashboard-minimal namespace: kube-system roleRef: apiGroup: rbac.authorization.k8s.io kind: Role name: kubernetes-dashboard-minimal subjects: - kind: ServiceAccount name: kubernetes-dashboard namespace: kube-system --- # ------------------- Dashboard Deployment ------------------- # kind: Deployment apiVersion: apps/v1beta2 metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard namespace: kube-system spec: replicas: 1 revisionHistoryLimit: 10 selector: matchLabels: k8s-app: kubernetes-dashboard template: metadata: labels: k8s-app: kubernetes-dashboard spec: containers: - name: kubernetes-dashboard image: registry.cn-hangzhou.aliyuncs.com/google_containers/kubernetes-dashboard-amd64:v1.8.0 imagePullPolicy: IfNotPresent ports: - containerPort: 8443 protocol: TCP args: - --tls-key-file=dashboard.key - --tls-cert-file=dashboard.crt #- --auto-generate-certificates # Uncomment the following line to manually specify Kubernetes API server Host # If not specified, Dashboard will attempt to auto discover the API server and connect # to it. Uncomment only if the default does not work. # - --apiserver-host=http://my-address:port volumeMounts: - name: kubernetes-dashboard-certs mountPath: /certs # Create on-disk volume to store exec logs - mountPath: /tmp name: tmp-volume livenessProbe: httpGet: scheme: HTTPS path: / port: 8443 initialDelaySeconds: 30 timeoutSeconds: 30 volumes: - name: kubernetes-dashboard-certs secret: secretName: kubernetes-dashboard-certs - name: tmp-volume emptyDir: {} serviceAccountName: kubernetes-dashboard # Comment the following tolerations if Dashboard must not be deployed on master tolerations: - key: node-role.kubernetes.io/master effect: NoSchedule --- # ------------------- Dashboard Service ------------------- # kind: Service apiVersion: v1 metadata: labels: k8s-app: kubernetes-dashboard name: kubernetes-dashboard namespace: kube-system spec: ports: - port: 443 targetPort: 8443 selector: k8s-app: kubernetes-dashboard EOF
kubectl apply -f kube-dashboard.yml
cat <kube-dashboard-admin.yml apiVersion: rbac.authorization.k8s.io/v1beta1 kind: ClusterRoleBinding metadata: name: kubernetes-dashboard labels: k8s-app: kubernetes-dashboard roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: cluster-admin subjects: - kind: ServiceAccount name: kubernetes-dashboard namespace: kube-system EOF
kubectl apply -f kube-dashboard-admin.yml
kubectl -n kube-system get po,svc -l k8s-app=kubernetes-dashboard
完成后,就可以透过浏览器访问 Dashboard
https://10.0.0.162:6443/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/
看完了这篇文章,相信你对“Kubernetes 1.8.4 中如何安装Dashboard”有了一定的了解,如果想了解更多相关知识,欢迎关注创新互联行业资讯频道,感谢各位的阅读!
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