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Kubernetes版本对接对象存储
2022-07-24 15:32:00 【InfoQ】
对象存储
社区方案
方案1:Object Storage API (COSI)
- oss 以桶 (bucket) 来组织分配存储单元而不是文件系统挂载或是块设备
- oss 服务的访问是通过网络调用而不是本地的 POSIX 调用
- oss 不试用 csi 定义的 Attach/Detach 逻辑 (无需挂载/卸载)
方案2:csi-s3
Kubernetes 要求
- Kubernetes 1.13+(CSI v1.0.0 兼容性)
- <font color=red>Kubernetes 必须允许特权容器</font>
- Docker 守护进程必须允许共享挂载(systemd 标志
MountFlags=shared)
- <font color=red>是非常实验性的,还未在任何生产环境中使用。根据使用的挂载程序和 S3 存储后端,可能会发生意外的数据丢失。</font>
MountFlags
docker.serviceMountFlags=slaveMountFlagsdocker.service$ sudo systemctl show --property=MountFlags docker.service
MountFlags=
MountFlags为什么要将S3 以文件存储的方式挂载到 Kubernetes 平台?
sidecar什么是 S3FS ?
后续
- 验证特权容器,升级了多少特权
参考链接
- 使用s3(minio)为kubernetes提供pv存储
- 基于openshift+华为对象存储的CSI开发
- 利用 S3FS 将 S3 作为共享存储挂载到 Kubernetes Pod
- 使用S3fs在Linux实例上挂载Bucket
- S3FS:基于对象存储的文件系统
- https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.23/#podsecuritycontext-v1-core
- https://github.com/FLY-Open-K8s/csi-driver-s3.git
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