9a03d735a2
The SnapshotClass for RBD requires a pool parameter. This is redundant as a snapshot is not created on a different pool than the source image of the snapshot (refer rbd man page). Further, when a snapshot needs to be created its source CSI VolumeID is passed to the creation call, and hence the source volumes pool needs to be reused to create the snapshot. Similarly to clone a snapshot, the create request would come in with a SnapshotID to help identify the snapshot pool, and the same create request parameters would contain the storage class based pool parameter to create the clone into (as clones can be in different pools as compared to their parent snapshots). Thus, the parameter pool seems redundant in the snapshot class and should be removed to improve ease of use. Fixes #379 Signed-off-by: ShyamsundarR <srangana@redhat.com> |
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Ceph CSI
This repo contains [Container Storage Interface(CSI)] (https://github.com/container-storage-interface/) driver, provisioner, and attacher for Ceph RBD and CephFS.
Overview
Ceph CSI plugins implement an interface between CSI enabled Container Orchestrator (CO) and Ceph cluster. It allows dynamically provisioning Ceph volumes and attaching them to workloads.
Independent CSI plugins are provided to support RBD and CephFS backed volumes,
- For details about configuration and deployment of RBD and CephFS CSI plugins,
see documentation in
docs/. - For example usage of RBD and CephFS CSI plugins, see examples in
examples/.
Project status
Status: Alpha
The alpha status reflects possible non-backward compatible changes in the future, and is thus not recommended for production use. There is work in progress that would change on-disk metadata for certain operations, possibly breaking backward compatibility.
Supported CO platforms
Ceph CSI drivers are currently developed and tested exclusively on Kubernetes environments. There is work in progress to make this CO independent and thus support other orchestration environments in the future.
For Kubernetes versions 1.11 and 1.12, please use 0.3 images and deployments.
For Kubernetes versions 1.13 and above, please use 1.0 images and deployments.
Support Matrix
Ceph-CSI features and available versions
| Plugin | Features | CSI driver Version |
|---|---|---|
| CephFS | Dynamically provision, de-provision File mode RWO volume | >=v0.3.0 |
| Dynamically provision, de-provision File mode RWX volume | >=v0.3.0 | |
| Creating and deleting snapshot | - | |
| Provision volume from snapshot | - | |
| Provision volume from another volume | - | |
| Resize volume | - | |
| RBD | Dynamically provision, de-provision Block mode RWO volume | >=v0.3.0 |
| Dynamically provision, de-provision Block mode RWX volume | >=v0.3.0 | |
| Dynamically provision, de-provision File mode RWO volume | v1.0.0 | |
| Creating and deleting snapshot | >=v0.3.0 | |
| Provision volume from snapshot | v1.0.0 | |
| Provision volume from another volume | - | |
| Resize volume | - |
Ceph-CSI versions and CSI spec compatibility
| Ceph CSI driver Version | CSI spec version |
|---|---|
| v0.3.0 | v0.3 |
| v1.0.0 | v1.0.0 |
CSI spec and Kubernetes version compatibility
Please refer to the matrix in the Kubernetes documentation.
Contributing to this repo
Please follow [development-guide] (https://github.com/ceph/ceph-csi/tree/master/docs/development-guide.md) and coding style guidelines if you are interested to contribute to this repo.
Troubleshooting
Please submit an issue at: Issues
Slack Channels
Join us at Rook ceph-csi Channel