k8s(8)__web可视化

# 给Node添加标识

kubectl get node

kubectl label nodes shijiange50 apptype=dashboard

kubectl get nodes --show-labels

# 配置文件

cat kubernetes-dashboard.yaml

```

# 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.

# ------------------- Dashboard Secret ------------------- #

apiVersion: v1

kind: Secret

metadata:

labels:

k8s-app: kubernetes-dashboard

namespace: kube-system

type: Opaque

---

# ------------------- Dashboard Service Account ------------------- #

apiVersion: v1

kind: ServiceAccount

metadata:

labels:

k8s-app: kubernetes-dashboard

namespace: kube-system

---

# ------------------- Dashboard Role & Role Binding ------------------- #

kind: Role

apiVersion: rbac.authorization.k8s.io/v1

metadata:

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:

namespace: kube-system

roleRef:

apiGroup: rbac.authorization.k8s.io

kind: Role

subjects:

- kind: ServiceAccount

namespace: kube-system

---

# ------------------- Dashboard Deployment ------------------- #

kind: Deployment

apiVersion: apps/v1

metadata:

labels:

k8s-app: kubernetes-dashboard

namespace: kube-system

spec:

replicas: 1

revisionHistoryLimit: 10

selector:

matchLabels:

k8s-app: kubernetes-dashboard

template:

metadata:

labels:

k8s-app: kubernetes-dashboard

spec:

hostNetwork: true

nodeSelector:

apptype: dashboard

containers:

- name: kubernetes-dashboard

image: registry.cn-hangzhou.aliyuncs.com/google_containers/kubernetes-dashboard-amd64:v1.10.1

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://xxx:8080

volumeMounts:

- name: kubernetes-dashboard-certs

mountPath: /certs

# Create on-disk volume to store exec logs

- mountPath: /tmp

livenessProbe:

httpGet:

scheme: HTTP

path: /

port: 9090

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

```

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