一、部署kubernates
使用kubephere安装的kubernates系统,安装完成的截图
创建集群
./kk create cluster -f config-sample.yaml
删除集群
./kk delete cluster -f config-sample.yaml
docker镜像打包或者解压
docker save zhxl1989/ingress-nginx-controller:v1.2.1 | gzip > ingress-nginx-controller.tar.gz
gunzip -c ingress-nginx-controller.tar.gz | docker load
安装dashboard,参考文档
dashboard/installation.md at master · kubernetes/dashboard (github.com)
第一步、创建本地证书存储目录
mkdir -p /root/certs
第二步、创建dashboard的名称空间
kubectl create namespace kubernetes-dashboard
第三步、创建证书
kubectl create secret generic kubernetes-dashboard-certs --from-file=/certs -n kubernetes-dashboard
kubectl get secret -n kubernetes-dashboard
kubectl describe secret kubernetes-dashboard-certs -n kubernetes-dashboard
生成证书 kubectl get secret -A
自签名证书
如果您想自己生成证书,则需要像OpenSSL这样的库来帮助您做到这一点。
生成私钥和证书签名请求
创建 SSL 证书需要私钥和证书签名请求。这些可以通过几个简单的命令生成。当 openssl req 命令要求输入“质询密码”时,只需按回车键,将密码留空即可。证书颁发机构使用此密码在证书所有者想要吊销其证书时对其进行身份验证。由于这是自签名证书,因此无法通过 CRL(证书吊销列表)将其吊销。
openssl genrsa -des3 -passout pass:over4chars -out dashboard.pass.key 2048
...
openssl rsa -passin pass:over4chars -in dashboard.pass.key -out dashboard.key
# Writing RSA key
rm dashboard.pass.key
openssl req -new -key dashboard.key -out dashboard.csr
...
Country Name (2 letter code) [AU]: US
...
A challenge password []:
...
生成 SSL 证书
自签名 SSL 证书是从私钥和文件生成的。dashboard.keydashboard.csr
openssl x509 -req -sha256 -days 365 -in dashboard.csr -signkey dashboard.key -out dashboard.crt
该文件是适合与仪表板一起使用的证书以及私钥。dashboard.crtdashboard.key
网络的原因,部分镜像需要从aliyun拉取,再本地进行tag改名
查看官网文档,kubernates与Dashboard对应的版本。
docker pull registry.aliyuncs.com/google_containers/dashboard:v2.5.1
docker tag registry.aliyuncs.com/google_containers/dashboard:v2.5.1 kubernetesui/dashboard:v2.5.1
docker pull registry.aliyuncs.com/google_containers/metrics-scraper:v1.0.7
docker tag registry.aliyuncs.com/google_containers/metrics-scraper:v1.0.8 kubernetesui/metrics-scraper:v1.0.7
第四步、kubectl create --edit -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.7.0/aio/deploy/recommended.yaml
镜像拉取方式改为:imagePullPolicy: IfNotPresent 及证书路径,secrets的配置
改成dashboard.yaml
# 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.
apiVersion: v1
kind: Namespace
metadata:
name: kubernetes-dashboard
---
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
namespace: kubernetes-dashboard
---
kind: Service
apiVersion: v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
namespace: kubernetes-dashboard
spec:
ports:
- port: 443
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
---
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
namespace: kubernetes-dashboard
rules:
# Allow Dashboard to get, update and delete Dashboard exclusive secrets.
- apiGroups: [""]
resources: ["secrets"]
resourceNames: ["kubernetes-dashboard-key-holder", "kubernetes-dashboard-certs", "kubernetes-dashboard-csrf"]
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.
- 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"]
---
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"]
---
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
---
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
---
kind: Deployment
apiVersion: apps/v1
metadata:
labels:
k8s-app: kubernetes-dashboard
name: kubernetes-dashboard
namespace: kubernetes-dashboard
spec:
replicas: 1
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:v2.5.1
imagePullPolicy: IfNotPresent
ports:
- containerPort: 8443
protocol: TCP
command:
- /dashboard
args:
- --bind-address=0.0.0.0
- --token-ttl=7200
- --tls-cert-file=dashboard.crt
- --tls-key-file=dashboard.key
- --auto-generate-certificates
- --namespace=kubernetes-dashboard
# 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
securityContext:
allowPrivilegeEscalation: false
readOnlyRootFilesystem: true
runAsUser: 1001
runAsGroup: 2001
volumes:
- name: kubernetes-dashboard-certs
secret:
secretName: kubernetes-dashboard-certs
- name: tmp-volume
emptyDir: {}
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
---
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
---
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:v1.0.7
imagePullPolicy: IfNotPresent
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: {}
第五步、运行修改后的dashboard配置文件
kubectl apply -f dashboard.yaml
第六步、查看所有运行的pod
kubectl get pods -A
查看启动详情
kubectl describe pod kubernetes-dashboard -n kubernetes-dashboard
第七步、创建create-admin.yaml 并 kubectl apply -f create-admin.yaml。
apiVersion: v1
kind: ServiceAccount
metadata:
name: admin
namespace: kubernetes-dashboard
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: admin
namespace: kubernetes-dashboard
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: cluster-admin
subjects:
- kind: ServiceAccount
name: admin
namespace: kubernetes-dashboard
第八步、查看登录的Token,Ingress访问时候使用
kubectl -n kubernetes-dashboard describe secret $(kubectl -n kubernetes-dashboard get secret | grep admin | awk '{print $1}')
第九步、kubectl apply -f nginx-ingress-controller.yaml
可参考
Kubernetes部署kubernates Nginx Ingress Controller_青春不流名的博客-CSDN博客
Kubernetes:在没有主机且没有代理的情况下通过Ingress路由Kubernetes仪表板 - 编程之家 (jb51.cc)
第十步、配置访问Ingress,kubectl apply -f k8s-dashboard-ingress.yaml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
annotations:
nginx.ingress.kubernetes.io/rewrite-target: /
nginx.ingress.kubernetes.io/add-base-url: "true"
nginx.ingress.kubernetes.io/backend-protocol: "HTTPS"
nginx.ingress.kubernetes.io/secure-backends: "true"
nginx.ingress.kubernetes.io/force-ssl-redirect: "true"
ingress.kubernetes.io/configuration-snippet: |
rewrite ^(/dashboard)$ $1/ permanent;
name: nginx-ingress
namespace: kubernetes-dashboard
spec:
ingressClassName: nginx
rules:
- host: xiaolu.liebe.com.cn
http:
paths:
- backend:
service:
name: kubernetes-dashboard
port:
number: 443
path: /
pathType: Prefix
tls:
- secretName: k8s-dashboard
hosts:
- xiaolu.liebe.com.cn
查看Ingress信息
kubectl describe ingress/nginx-ingress -n kubernetes-dashboard
浏览器访问
https://xiaolu.liebe.com.cn/#/login