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k8clone's Introduction

k8clone

一个简单的K8S元数据克隆的工具,它将K8S元数据(对象)保存到本地,并打成一个压缩包的工具。 他可以从IDC、友商K8S中,将用户的应用备份到另一个K8S集群中

特性列表

  1. K8S兼容版本:
    1. K8S 1.19 ~ 1.23 (0)
    2. K8S 1.15 ~ 1.23 (1)
    3. K8S 1.13 ~ 1.23 (3)
    4. 按需(3)
  2. 备份能力:
    1. 整个集群对象的备份 (0)
    2. 指定命名空间对象的备份 (0)
    3. 指定命名空间对象及其依赖的全局资源对象的备份 (1)
    4. 指定标签的对象的备份 (2)
  3. 备份数据:
    1. 备份数据备份到本地目录,并打成压缩包放到本地目录 (0)
    2. 备份压缩包自动上传到指定sfs server或obs桶 (3)
    3. 备份数据加密 (3)
  4. 恢复能力:
    1. 将备份的K8S元数据压缩包处理
      • 解压缩 (0)
      • 加密压缩包解压缩 (3)
    2. 将备份数据恢复到指定的K8S集群
      • 恢复K8S元数据到K8S集群中 (0)
      • 按照一定顺序恢复K8S元数据到K8S集群中, 可参考velero中的顺序 (1)
    3. 支持PVC中存储类名字按照配置进行自动更换 (1)
    4. 有状态应用VolumeClaimTemplates中存储类的自动更换 (1)
    5. 支持workloads镜像repo地址的更换, 镜像同版本 (1)
    6. 支持迁移应用部署命名空间的更换, 比如:ns1 -> ns2,原集群ns1下迁移的workloads部署到新集群的ns2下 (1)
    7. 根据用户配置的PVC名字及存储迁移后的volumeID/共享目录/obs桶名字等配置, 自动生成目标集群中对应的新PV,并正确与用户指定的PVC绑定 (1)
    8. 支持根据K8S API向GA API转换,按照K8S兼容版本迭代 (2)

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