# 创建名称空间
apiVersion: v1
kind: Namespace
metadata:
  name: kubernetes-dashboard
---

# 创建dashboard的ServiceAccount
apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kubernetes-dashboard


---

# 创建dashboard的服务
kind: Service
apiVersion: v1
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kubernetes-dashboard
spec:
  type: NodePort
  ports:
    - port: 443
      nodePort: 31111 #自定义对外端口
      targetPort: 8443 
  selector:
    k8s-app: kubernetes-dashboard


---

apiVersion: v1
kind: Secret
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard-certs
  namespace: kubernetes-dashboard
type: Opaque

---

apiVersion: v1
kind: Secret
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard-csrf
  namespace: kubernetes-dashboard
type: Opaque
data:
  csrf: ""

---

apiVersion: v1
kind: Secret
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard-key-holder
  namespace: kubernetes-dashboard
type: Opaque

---

kind: ConfigMap
apiVersion: v1
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard-settings
  namespace: kubernetes-dashboard

---

# 创建dashboard的角色
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kubernetes-dashboard
rules:
    # 只允许对下面这3个secret进行操作
  - apiGroups: [""]
    resources: ["secrets"]
    resourceNames: ["kubernetes-dashboard-key-holder", "kubernetes-dashboard-certs", "kubernetes-dashboard-csrf"]
    verbs: ["get", "update", "delete"]
    # 允许对下面configmap进行get和update，这里面存储的应该是dashboard的配置
  - apiGroups: [""]
    resources: ["configmaps"]
    resourceNames: ["kubernetes-dashboard-settings"]
    verbs: ["get", "update"]
    # 允许dashboard获取指标
  - apiGroups: [""]
    resources: ["services"]
    resourceNames: ["heapster", "dashboard-metrics-scraper"]
    verbs: ["proxy"]
  - apiGroups: [""]
    resources: ["services/proxy"]
    resourceNames: ["heapster", "http:heapster:", "https:heapster:", "dashboard-metrics-scraper", "http:dashboard-metrics-scraper"]
    verbs: ["get"]

---

# 创建集群角色，允许dashboard获取集群的一些数据
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
rules:
  # Allow Metrics Scraper to get metrics from the Metrics server
  - apiGroups: ["metrics.k8s.io"]
    resources: ["pods", "nodes"]
    verbs: ["get", "list", "watch"]

---

# 将角色与SA绑定
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kubernetes-dashboard
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: kubernetes-dashboard
subjects:
  - kind: ServiceAccount
    name: kubernetes-dashboard
    namespace: kubernetes-dashboard

---

# 将集群角色与SA绑定
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: kubernetes-dashboard
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: kubernetes-dashboard
subjects:
  - kind: ServiceAccount
    name: kubernetes-dashboard
    namespace: kubernetes-dashboard

---

# 部署dashboard
kind: Deployment
apiVersion: apps/v1
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kubernetes-dashboard
spec:
  # 1个副本
  replicas: 1
  # 保留历史版本的数量，用于回滚
  revisionHistoryLimit: 10
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      k8s-app: kubernetes-dashboard
  template:
    metadata:
      labels:
        k8s-app: kubernetes-dashboard
    spec:
      securityContext:
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: kubernetes-dashboard
          image: kubernetesui/dashboard:v2.7.0
          imagePullPolicy: Always
          # 容器端口是8443
          ports:
            - containerPort: 8443
              protocol: TCP
          # 容器参数
          args:
            - --auto-generate-certificates
            - --namespace=kubernetes-dashboard
            # 下面的参数指定apiserver的地址，默认情况下，dashboard会自动发现，如果无法发现可以手动配置
            # - --apiserver-host=http://my-address:port
          volumeMounts:
            # 从secret获取证书
            - name: kubernetes-dashboard-certs
              mountPath: /certs
              # Create on-disk volume to store exec logs
            - mountPath: /tmp
              name: tmp-volume
          # 存活探针
          livenessProbe:
            httpGet:
              scheme: HTTPS
              path: /
              port: 8443
            initialDelaySeconds: 30
            timeoutSeconds: 30
          securityContext:
            allowPrivilegeEscalation: false
            readOnlyRootFilesystem: true
            runAsUser: 1001
            runAsGroup: 2001
      volumes:
        - name: kubernetes-dashboard-certs
          secret:
            secretName: kubernetes-dashboard-certs
        - name: tmp-volume
          emptyDir: {}
      # Pod访问apiserver的SA
      serviceAccountName: kubernetes-dashboard
      # 只能部署在linux
      nodeSelector:
        "kubernetes.io/os": linux
      # 容忍污点，如果不允许dashboard部署在master，可以删掉
      tolerations:
        - key: node-role.kubernetes.io/master
          effect: NoSchedule

---

# dashboard的指标拉取服务
kind: Service
apiVersion: v1
metadata:
  labels:
    k8s-app: dashboard-metrics-scraper
  name: dashboard-metrics-scraper
  namespace: kubernetes-dashboard
spec:
  ports:
    - port: 8000
      targetPort: 8000
  selector:
    k8s-app: dashboard-metrics-scraper

---

# 部署dashboard的指标拉取应用
# 用户可以在dashboard查看node和pod的指标
kind: Deployment
apiVersion: apps/v1
metadata:
  labels:
    k8s-app: dashboard-metrics-scraper
  name: dashboard-metrics-scraper
  namespace: kubernetes-dashboard
spec:
  replicas: 1
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      k8s-app: dashboard-metrics-scraper
  template:
    metadata:
      labels:
        k8s-app: dashboard-metrics-scraper
    spec:
      securityContext:
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: dashboard-metrics-scraper
          image: kubernetesui/metrics-scraper:v1.0.8
          ports:
            - containerPort: 8000
              protocol: TCP
          livenessProbe:
            httpGet:
              scheme: HTTP
              path: /
              port: 8000
            initialDelaySeconds: 30
            timeoutSeconds: 30
          volumeMounts:
          - mountPath: /tmp
            name: tmp-volume
          securityContext:
            allowPrivilegeEscalation: false
            readOnlyRootFilesystem: true
            runAsUser: 1001
            runAsGroup: 2001
      serviceAccountName: kubernetes-dashboard
      nodeSelector:
        "kubernetes.io/os": linux
      # Comment the following tolerations if Dashboard must not be deployed on master
      tolerations:
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
      volumes:
        - name: tmp-volume
          emptyDir: {}

文件recommended.yaml

执行后会创建一个kubernetes-dashboard的命名空间dashboard-metrics-scraper和kubernetes-dashboard两个必要镜像

两个镜像启动后必须通过https访问ip加31111进入web页面

然后创建一个用户，将admin权限映射给该用户

ServiceAccount 是一个对象，用于管理 Kubernetes 集群内部的身份验证和授权。它代表一个进程或一组进程，并定义了可以访问它们的权限。在上面的示例中，luoxuan 是 ServiceAccount 的名称，它被分配给 kubernetes-dashboard 命名空间。

ClusterRoleBinding 则是一种对象，它将一组用户、组或服务账号绑定到一个或多个角色，并赋予该用户、组或服务账号所绑定的角色相应的权限。在上面的示例中，luoxuan 是 ClusterRoleBinding 的名称，它将 luoxuan ServiceAccount 绑定到一个名为 cluster-admin 的 ClusterRole 上，该角色具有对整个 Kubernetes 集群的管理权限。

apiVersion: v1
<p>kind: ServiceAccount  #资源对象
metadata:
name: luoxuan  #自定义名称
namespace: kubernetes-dashboard  #针对这个命名空间</p>
<hr />
<p>apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding #资源对象
metadata:
name: luoxuan #引用上面设置的名称
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: cluster-admin
subjects:</p>
<ul>
<li>kind: ServiceAccount #绑定ServiceAccount服务
name: luoxuan  #绑定ServiceAccount的luoxuan用户
namespace: kubernetes-dashboard  #给这个用户对这个命名空间所有权限

kubectl create -f 指定这个文件创建serviceaccount对象

kubectl -n kubernetes-dashboard create token luoxuan

使用改命令获取一个token值

输入到这里就可以进入页面管理k8s集群了