三.安装kubesphere

原创已于 2023-07-27 11:22:25 修改

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于 2023-07-26 23:00:08 首次发布

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该文详细介绍了如何在Kubernetes集群中配置OpenEBS以支持本地存储动态PVC，包括安装iSCSI协议客户端，部署OpenEBS以及创建存储类。接着，文章展示了安装KubeSphere的过程，包括安装资源、检查安装日志和查看服务端口。最后，提供了相关命令行输出作为操作验证。

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1.本地存储动态 PVC

# 在所有节点安装 iSCSI 协议客户端（OpenEBS 需要该协议提供存储支持）
yum install iscsi-initiator-utils -y
# 设置开机启动
systemctl enable --now iscsid
# 启动服务
systemctl start iscsid
# 查看服务状态
systemctl status iscsid

# 安装 OpenEBS 
kubectl apply -f https://openebs.github.io/charts/openebs-operator.yaml

# 查看状态（下载镜像可能需要一些时间）
kubectl get all -n openebs

# 在主节点创建本地 storage class
kubectl apply -f default-storage-class.yaml

2.安装

# 安装资源
kubectl apply -f https://github.com/kubesphere/ks-installer/releases/download/v3.3.1/kubesphere-installer.yaml
kubectl apply -f https://github.com/kubesphere/ks-installer/releases/download/v3.3.1/cluster-configuration.yaml

# 检查安装日志
kubectl logs -n kubesphere-system $(kubectl get pod -n kubesphere-system -l 'app in (ks-install, ks-installer)' -o jsonpath='{.items[0].metadata.name}') -f

# 查看端口
kubectl get svc/ks-console -n kubesphere-system

# 默认端口是 30880，如果是云服务商，或开启了防火墙，记得要开放该端口

# 登录控制台访问，账号密码：admin/P@88w0rd

3.示例

[root@k8s-master kubesphere]# ll
total 76
-rw-r--r-- 1 root root 10070 Jul 26 07:14 cluster-configuration.yaml
-rw-r--r-- 1 root root  1049 Jul 26 07:14 default-storage-class.yaml
-rw-r--r-- 1 root root  7631 Jul 26 07:14 kubesphere-delete.sh
-rw-r--r-- 1 root root   386 Jul 26 07:14 kubesphere-ingress.yaml
-rw-r--r-- 1 root root  4553 Jul 26 07:14 kubesphere-installer.yaml
-rw-r--r-- 1 root root 38283 Jul 26 07:14 openebs-operator.yaml
[root@k8s-master kubesphere]# kubectl apply -f openebs-operator.yaml 
namespace/openebs created
serviceaccount/openebs-maya-operator created
clusterrole.rbac.authorization.k8s.io/openebs-maya-operator created
clusterrolebinding.rbac.authorization.k8s.io/openebs-maya-operator created
customresourcedefinition.apiextensions.k8s.io/blockdevices.openebs.io created
customresourcedefinition.apiextensions.k8s.io/blockdeviceclaims.openebs.io created
configmap/openebs-ndm-config created
daemonset.apps/openebs-ndm created
deployment.apps/openebs-ndm-operator created
deployment.apps/openebs-ndm-cluster-exporter created
service/openebs-ndm-cluster-exporter-service created
daemonset.apps/openebs-ndm-node-exporter created
service/openebs-ndm-node-exporter-service created
deployment.apps/openebs-localpv-provisioner created
storageclass.storage.k8s.io/openebs-hostpath created
storageclass.storage.k8s.io/openebs-device created


[root@k8s-master kubesphere]# kubectl apply -f default-storage-class.yaml 
storageclass.storage.k8s.io/local created


[root@k8s-master kubesphere]# kubectl get sc
NAME               PROVISIONER        RECLAIMPOLICY   VOLUMEBINDINGMODE      ALLOWVOLUMEEXPANSION   AGE
local (default)    openebs.io/local   Delete          WaitForFirstConsumer   false                  17m
openebs-device     openebs.io/local   Delete          WaitForFirstConsumer   false                  19m
openebs-hostpath   openebs.io/local   Delete          WaitForFirstConsumer   false                  19m

[root@k8s-master kubesphere]# 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

[root@k8s-master kubesphere]# kubectl get po -n kubesphere-system
NAME                            READY   STATUS    RESTARTS   AGE
ks-installer-7489cf4b66-wj4rc   1/1     Running   0          16m
openldap-0                      0/1     Pending   0          3s


[root@k8s-master kubesphere]# kubectl apply -f cluster-configuration.yaml 
clusterconfiguration.installer.kubesphere.io/ks-installer created

查看日志：

kubectl logs -n kubesphere-system $(kubectl get pod -n kubesphere-system -l 'app in (ks-install, ks-installer)' -o jsonpath='{.items[0].metadata.name}') -f