Kubernetes技术栈
  • 序章
  • Kubernetes 架构快速了解
  • 十分钟带你了解什么是kubernetes
  • 如何快速了解Kubernetes架构
  • 企业级镜像私有仓库Harbor
  • 二进制分布式安装Kubernetes1.13.10
    • 准备工作
  • 使用Kubeadm安装Kubernetes1.13.10
    • 准备工作
    • 基础环境设置
    • 安装高可用
    • 安装负载均衡
    • 安装Docker (Master/Node)
    • yum源安装kubeadm
    • Initialize第一个kubernetes master
    • 配置flannel组件
    • 加入集群
    • 配置dashboard
    • Master参与负载工作
    • 集群删除Node
  • Kubernetes 1.15.2 部署 Traefik2.0
  • Kubernetes1.15.2 监控(1)安装 Prometheus 2.11.1
  • Kubernetes 1.15.2监控(2)Monitor集群组件和PODS
  • kubernetes日志管理最佳实践EFK
  • Kubernetes1.15.2使用Ceph集群部署
  • Kubernetes1.15.2 中安装 jenkins 2.0
  • Kubernetes1.15.2使用jenkins 动态 slave
  • 什么是nginx-ingress控制器
  • Kubernetes Permission Controler概览
  • Permission Controler-通过Instance理解Kubernetes的Auth
  • Permission Controler-通过Instance理解Kubernetes的授权
  • Permission Controler-探索Kubernetes的Service Accounts
  • Kubernetes与Istio微服务架构
  • Kubernetes必须知道的HELM
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  1. 使用Kubeadm安装Kubernetes1.13.10

配置dashboard

创建dashboard配置文件

vim dashboard.yaml 
# ------------------- 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 create 'kubernetes-dashboard-settings' config map.
- apiGroups: [""]
  resources: ["configmaps"]
  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"]
- apiGroups: [""]
  resources: ["services/proxy"]
  resourceNames: ["heapster", "http:heapster:", "https:heapster:"]
  verbs: ["get"]

---

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 ------------------- #
# 1.修改了镜像仓库位置,编辑成自己的镜像仓库
# 2.变更了镜像拉去策略imagePullPolicy: IfNotPresent
kind: Deployment
apiVersion: apps/v1
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:v1.10.1
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 8443
          protocol: TCP
        args:
          - --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 ------------------- #
# 增加了nodePort,使得能够访问,改变默认的type类型ClusterIP,变为NodePort
# 如果不配置的话默认只能集群内访问
kind: Service
apiVersion: v1
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kube-system
spec:
  type: NodePort
  ports:
    - port: 443
      targetPort: 8443
      nodePort: 30007
  selector:
    k8s-app: kubernetes-dashboard

启动dashboard

kubectl create -f kubernetes-dashboard.yaml\

Dashboard 创建 ServiceAccount 并绑定 Admin 角色

vim kubectl create -f dashboard-user-role.yaml
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: admin
  annotations:
    rbac.authorization.kubernetes.io/autoupdate: "true"
roleRef:
  kind: ClusterRole
  name: cluster-admin
  apiGroup: rbac.authorization.k8s.io
subjects:
- kind: ServiceAccount
  name: admin
  namespace: kube-system
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: admin
  namespace: kube-system
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile

启动dashboard的用户和角色绑定

kubectl create -f dashboard-user-role.yaml

登录token获取

kubectl describe secret/$(kubectl get secret -n kube-system |grep admin|awk '{print $1}') -n kube-system

运行dashboard并登陆

输入获取的 token进入dashboard

Previous加入集群NextMaster参与负载工作

Last updated 5 years ago

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