130 lines
3.0 KiB
Markdown
130 lines
3.0 KiB
Markdown
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> 本文作者：丁辉
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# Helm对接外部NFS存储
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> **NFS subdir 外部配置程序**是一个自动配置程序，它使用现有且已配置的NFS 服务器来支持通过持久卷声明动态配置 Kubernetes 持久卷。
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## 部署
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[Github仓库](https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner/tree/master)
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[官网介绍](https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner/blob/master/charts/nfs-subdir-external-provisioner/README.md)
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1. 添加仓库
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```bash
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helm repo add nfs-subdir-external-provisioner https://kubernetes-sigs.github.io/nfs-subdir-external-provisioner/
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helm repo update
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```
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2. 安装
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```bash
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helm install nfs-subdir-external-provisioner nfs-subdir-external-provisioner/nfs-subdir-external-provisioner \
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--set nfs.server=127.0.0.1 \
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--set nfs.path=/data
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```
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> 国内无法拉取到此镜像 x86 架构的我已经同步到国内了，使用此命令安装
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> ```bash
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> helm install nfs-subdir-external-provisioner \
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> nfs-subdir-external-provisioner/nfs-subdir-external-provisioner \
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> --set image.repository=registry.cn-hangzhou.aliyuncs.com/offends/nfs-subdir-external-provisioner \
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> --set image.tag=v4.0.2 \
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> --set nfs.server=127.0.0.1 \
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> --set nfs.path=/data
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> ```
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3. 查看
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```bash
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kubectl get pod -l app=nfs-subdir-external-provisioner
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```
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4. 检查 storageclass
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```bash
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kubectl get sc
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```
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> 存在 nfs-client 则👌
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## 配置 nfs-client 为默认存储类
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```bash
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kubectl patch storageclass nfs-client -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
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```
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> 取消 nfs-client 为默认存储类
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>
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> ```bash
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> kubectl patch storageclass nfs-client -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"false"}}}'
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> ```
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## 指定 NFS vers 版本
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> 遇到一个非常难解的问题，在 centos7.9 系统版本中容器挂载使用 NFS 存储当作持久化卷，数据库这一种类型的容器无法启动，修改 vers 版本为3.0解决问题
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**解决方案**
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- 第一种修改 values.yaml 配置文件
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```bash
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vi nfs-subdir-external-provisioner/values.yaml
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```
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内容如下
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```bash
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nfs:
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server:
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path: /data
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mountOptions:
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- nfsvers=3.0
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```
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- 第二种添加 install 参数
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```bash
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--set nfs.mountOptions[0]=nfsvers=3.0
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```
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## 老版本部署(已废弃)
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[Github仓库](https://github.com/kubernetes-retired/external-storage/tree/master/nfs-client)
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1. 拉取代码
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```bash
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helm repo add stable https://charts.helm.sh/stable
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helm repo update
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```
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2. 部署
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```bash
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helm install nfs-storageclass stable/nfs-client-provisioner --set nfs.server=127.0.0.1 --set nfs.path=/data
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```
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3. 修改 apiserver 参数
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```bash
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vi /etc/kubernetes/manifests/kube-apiserver.yaml
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```
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添加如下参数
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```bash
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- --feature-gates=RemoveSelfLink=false
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```
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## 卸载
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```bash
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helm uninstall nfs-subdir-external-provisioner
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```
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