Kubernetes(K8S) kubesphere 安装
安装KubeSphere最好的方法就是参考官方文档，而且官方文档是中文的。官网地址：https://kubesphere.com.cn/
https://github.com/kubesphere/kubesphere/blob/master/README_zh.md
Kubernetes(K8S) kubesphere 介绍
安装提前条件：
使用 Kubeadm 部署 Kubernetes(K8S) 安装--附K8S架构图
使用 Kubeadm 部署 Kubernetes(K8S) 安装 -- 持久化存储(NFS网络存储)
Kubernetes(K8S) 安装 Metrics-Server
# 检查 K8S 版本，低版本需要升级
# kubectl versionhttps://img2023.cnblogs.com/blog/80824/202304/80824-20230423131939594-1280145899.png
安装
# cd /opt/k8s/kubesphere
# 创建文件storageclass.yaml
# vi storageclass.yaml
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
name: local-storage
provisioner: kubernetes.io/no-provisioner
volumeBindingMode: WaitForFirstConsumer
# persistentVolumeClaim.yaml
# vi persistentVolumeClaim.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: local-pve
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 20Gi
storageClassName: local-storage
# 下载核心文件（可以讯雷下载好传到 服务器）
# wget https://github.com/kubesphere/ks-installer/releases/download/v3.1.1/kubesphere-installer.yaml
# wget https://github.com/kubesphere/ks-installer/releases/download/v3.1.1/cluster-configuration.yaml
# ll
总用量 12
-rwxrwxrwx 1 root root 7663 4月23 09:41 cluster-configuration.yaml
-rwxrwxrwx 1 root root 4064 4月23 09:41 kubesphere-installer.yaml
# 安装
# kubectl apply -f storageclass.yaml
storageclass.storage.k8s.io/local-storage created
# kubectl apply -f persistentVolumeClaim.yaml
persistentvolumeclaim/local-pve created
# kubectl apply -f kubesphere-installer.yaml
customresourcedefinition.apiextensions.k8s.io/clusterconfigurations.installer.kubesphere.io created
namespace/kubesphere-system created
serviceaccount/ks-installer created
clusterrole.rbac.authorization.k8s.io/ks-installer created
clusterrolebinding.rbac.authorization.k8s.io/ks-installer created
deployment.apps/ks-installer created
# kubectl apply -f cluster-configuration.yaml
clusterconfiguration.installer.kubesphere.io/ks-installer created
#解决找不到证书的问题
# kubectl -n kubesphere-system create secret generic kube-etcd-client-certs--from-file=etcd-client-ca.crt=/etc/kubernetes/pki/etcd/ca.crt--from-file=etcd-client.crt=/etc/kubernetes/pki/apiserver-etcd-client.crt--from-file=etcd-client.key=/etc/kubernetes/pki/apiserver-etcd-client.key
secret/kube-etcd-client-certs created
# 查看 POD 详情
# kubectl describe pod -n kubesphere-system
Events:
Type Reason Age From Message
---- ------ -------- -------
NormalScheduled12m default-schedulerSuccessfully assigned kubesphere-system/ks-installer-7bd6b699df-9lnlc to k8snode1
NormalPulling 12m kubelet Pulling image "kubesphere/ks-installer:v3.1.1"
NormalPulled 11m kubelet Successfully pulled image "kubesphere/ks-installer:v3.1.1"
NormalCreated 11m kubelet Created container installer
NormalStarted 11m kubelet Started container installer
#
# 使用命令查看进度
# kubectl logs -n kubesphere-system $(kubectl get pod -n kubesphere-system -l app=ks-install -o jsonpath='{.items.metadata.name}') -f https://img2023.cnblogs.com/blog/80824/202304/80824-20230423112500993-1183923526.png
如果出现下面错误，需要安装 storageclass、persistentVolumeClaim
TASK ***
fatal: : FAILED! => {
"assertion": "\"(default)\" in default_storage_class_check.stdout",
"changed": false,
"evaluated_to": false,
"msg": "Default StorageClass was not found !"
}# 删除
# kubectl delete -f kubesphere-installer.yaml
# kubectl delete -f cluster-configuration.yaml
# 安装完 storageclass后，重新安装
# kubectl apply -f storageclass.yaml
# kubectl apply -f persistentVolumeClaim.yaml
# kubectl apply -f kubesphere-installer.yaml
# kubectl apply -f cluster-configuration.yaml
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