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# Ceph CSI
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[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/5940/badge)](https://bestpractices.coreinfrastructure.org/projects/5940)
- [Ceph CSI](#ceph-csi)
- [Overview](#overview)
- [Project status](#project-status)
- [Known to work CO platforms](#known-to-work-co-platforms)
- [Support Matrix](#support-matrix)
- [Ceph-CSI features and available versions](#ceph-csi-features-and-available-versions)
- [CSI spec and Kubernetes version compatibility](#csi-spec-and-kubernetes-version-compatibility)
- [Ceph CSI Container images and release compatibility](#ceph-csi-container-images-and-release-compatibility)
- [Contributing to this repo](#contributing-to-this-repo)
- [Troubleshooting](#troubleshooting)
- [Weekly Bug Triage call](#weekly-bug-triage-call)
- [Dev standup](#dev-standup)
- [Contact](#contact)
This repo contains the Ceph
[Container Storage Interface (CSI)](https://github.com/container-storage-interface/)
driver for RBD, CephFS and Kubernetes sidecar deployment YAMLs to support CSI
functionality: provisioner, attacher, resizer, driver-registrar and snapshotter.
## Overview
Ceph CSI plugins implement an interface between a CSI-enabled Container Orchestrator
(CO) and Ceph clusters. They enable 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 plugin, please refer
[rbd doc](https://github.com/ceph/ceph-csi/blob/devel/docs/rbd/deploy.md) and
for CephFS plugin configuration and deployment please
refer [cephFS doc](https://github.com/ceph/ceph-csi/blob/devel/docs/cephfs/deploy.md).
- For example usage of the RBD and CephFS CSI plugins, see examples in `examples/`.
- Stale resource cleanup, please refer [cleanup doc](docs/resource-cleanup.md).
NOTE:
- Ceph CSI **`Arm64`** support is experimental.
## Project status
Status: **GA**
## Known to work CO platforms
Ceph CSI drivers are currently developed and tested **exclusively** in Kubernetes
environments.
| Ceph CSI Version | Container Orchestrator Name | Version Tested |
| -----------------| --------------------------- | -------------------|
| v3.13.0 | Kubernetes | v1.29, v1.30, v1.31|
| v3.12.3 | Kubernetes | v1.29, v1.30, v1.31|
There is work in progress to make this CO-independent and thus
support other orchestration environments (Nomad, Mesos..etc).
NOTE:
The supported window of Ceph CSI versions is "N.(x-1)":
(N (Latest major release) . (x (Latest minor release) - 1)).
For example, if the Ceph CSI latest major version is `3.9.0` today, support is
provided for the versions above `3.8.0`. If users are running an unsupported
Ceph CSI version, they will be asked to upgrade when requesting support.
## Support Matrix
### Ceph-CSI features and available versions
Please refer [rbd nbd mounter](./docs/design/proposals/rbd-nbd.md#support-matrix)
for its support details.
| Plugin | Features | Feature Status | CSI Driver Version | CSI Spec Version | Ceph Cluster Version | Kubernetes Version |
| ------ | --------------------------------------------------------- | -------------- | ------------------ | ---------------- | -------------------- | ------------------ |
| RBD | Dynamically provision, de-provision Block mode RWO volume | GA | >= v1.0.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.14.0 |
| | Dynamically provision, de-provision Block mode RWX volume | GA | >= v1.0.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.14.0 |
| | Dynamically provision, de-provision Block mode RWOP volume| Alpha | >= v3.5.0 | >= v1.5.0 | Pacific (>=v16.2.0) | >= v1.22.0 |
| | Dynamically provision, de-provision File mode RWO volume | GA | >= v1.0.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.14.0 |
| | Dynamically provision, de-provision File mode RWOP volume | Alpha | >= v3.5.0 | >= v1.5.0 | Pacific (>=v16.2.0) | >= v1.22.0 |
| | Provision File Mode ROX volume from snapshot | Alpha | >= v3.0.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.17.0 |
| | Provision File Mode ROX volume from another volume | Alpha | >= v3.0.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.16.0 |
| | Provision Block Mode ROX volume from snapshot | Alpha | >= v3.0.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.17.0 |
| | Provision Block Mode ROX volume from another volume | Alpha | >= v3.0.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.16.0 |
| | Creating and deleting snapshot | GA | >= v1.0.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.17.0 |
| | Provision volume from snapshot | GA | >= v1.0.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.17.0 |
| | Provision volume from another volume | GA | >= v1.0.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.16.0 |
| | Expand volume | Beta | >= v2.0.0 | >= v1.1.0 | Pacific (>=v16.2.0) | >= v1.15.0 |
| | Volume/PV Metrics of File Mode Volume | GA | >= v1.2.0 | >= v1.1.0 | Pacific (>=v16.2.0) | >= v1.15.0 |
| | Volume/PV Metrics of Block Mode Volume | GA | >= v1.2.0 | >= v1.1.0 | Pacific (>=v16.2.0) | >= v1.21.0 |
| | Topology Aware Provisioning Support | Alpha | >= v2.1.0 | >= v1.1.0 | Pacific (>=v16.2.0) | >= v1.14.0 |
| CephFS | Dynamically provision, de-provision File mode RWO volume | GA | >= v1.1.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.14.0 |
| | Dynamically provision, de-provision File mode RWX volume | GA | >= v1.1.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.14.0 |
| | Dynamically provision, de-provision File mode ROX volume | Alpha | >= v3.0.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.14.0 |
| | Dynamically provision, de-provision File mode RWOP volume | Alpha | >= v3.5.0 | >= v1.5.0 | Pacific (>=v16.2.0) | >= v1.22.0 |
| | Creating and deleting snapshot | GA | >= v3.1.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.17.0 |
| | Creating and deleting volume group snapshot | Alpha | >= v3.11.0 | >= v1.9.0 | Squid (>=v19.0.0) | >= v1.31.0 |
| | Provision volume from snapshot | GA | >= v3.1.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.17.0 |
| | Provision volume from another volume | GA | >= v3.1.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.16.0 |
| | Expand volume | Beta | >= v2.0.0 | >= v1.1.0 | Pacific (>=v16.2.0) | >= v1.15.0 |
| | Volume/PV Metrics of File Mode Volume | GA | >= v1.2.0 | >= v1.1.0 | Pacific (>=v16.2.0) | >= v1.15.0 |
| NFS | Dynamically provision, de-provision File mode RWO volume | Alpha | >= v3.6.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.14.0 |
| | Dynamically provision, de-provision File mode RWX volume | Alpha | >= v3.6.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.14.0 |
| | Dynamically provision, de-provision File mode ROX volume | Alpha | >= v3.6.0 | >= v1.0.0 | Pacific (>=v16.2.0) | >= v1.14.0 |
| | Dynamically provision, de-provision File mode RWOP volume | Alpha | >= v3.6.0 | >= v1.5.0 | Pacific (>=v16.2.0) | >= v1.22.0 |
| | Expand volume | Alpha | >= v3.7.0 | >= v1.1.0 | Pacific (>=v16.2.0) | >= v1.15.0 |
| | Creating and deleting snapshot | Alpha | >= v3.7.0 | >= v1.1.0 | Pacific (>=v16.2.0) | >= v1.17.0 |
| | Provision volume from snapshot | Alpha | >= v3.7.0 | >= v1.1.0 | Pacific (>=v16.2.0) | >= v1.17.0 |
| | Provision volume from another volume | Alpha | >= v3.7.0 | >= v1.1.0 | Pacific (>=v16.2.0) | >= v1.16.0 |
`NOTE`: The `Alpha` status reflects possible non-backward
compatible changes in the future, and is thus not recommended
for production use.
### CSI spec and Kubernetes version compatibility
Please refer to the [matrix](https://kubernetes-csi.github.io/docs/#kubernetes-releases)
in the Kubernetes documentation.
## Ceph CSI Container images and release compatibility
| Ceph CSI Release/Branch | Container image name | Image Tag |
| ----------------------- | ---------------------------- | --------- |
| devel (Branch) | quay.io/cephcsi/cephcsi | canary |
| v3.13.0 (Release) | quay.io/cephcsi/cephcsi | v3.13.0 |
| v3.12.3 (Release) | quay.io/cephcsi/cephcsi | v3.12.3 |
| Deprecated Ceph CSI Release/Branch | Container image name | Image Tag |
| ----------------------- | --------------------------------| --------- |
| v3.11.0 (Release) | quay.io/cephcsi/cephcsi | v3.11.0 |
| v3.10.2 (Release) | quay.io/cephcsi/cephcsi | v3.10.2 |
| v3.10.1 (Release) | quay.io/cephcsi/cephcsi | v3.10.1 |
| v3.10.0 (Release) | quay.io/cephcsi/cephcsi | v3.10.0 |
| v3.9.0 (Release) | quay.io/cephcsi/cephcsi | v3.9.0 |
| v3.8.1 (Release) | quay.io/cephcsi/cephcsi | v3.8.1 |
| v3.8.0 (Release) | quay.io/cephcsi/cephcsi | v3.8.0 |
| v3.7.2 (Release) | quay.io/cephcsi/cephcsi | v3.7.2 |
| v3.7.1 (Release) | quay.io/cephcsi/cephcsi | v3.7.1 |
| v3.7.0 (Release) | quay.io/cephcsi/cephcsi | v3.7.0 |
| v3.6.1 (Release) | quay.io/cephcsi/cephcsi | v3.6.1 |
| v3.6.0 (Release) | quay.io/cephcsi/cephcsi | v3.6.0 |
| v3.5.1 (Release) | quay.io/cephcsi/cephcsi | v3.5.1 |
| v3.5.0 (Release) | quay.io/cephcsi/cephcsi | v3.5.0 |
| v3.4.0 (Release) | quay.io/cephcsi/cephcsi | v3.4.0 |
| v3.3.1 (Release) | quay.io/cephcsi/cephcsi | v3.3.1 |
| v3.3.0 (Release) | quay.io/cephcsi/cephcsi | v3.3.0 |
| v3.2.2 (Release) | quay.io/cephcsi/cephcsi | v3.2.2 |
| v3.2.1 (Release) | quay.io/cephcsi/cephcsi | v3.2.1 |
| v3.2.0 (Release) | quay.io/cephcsi/cephcsi | v3.2.0 |
| v3.1.2 (Release) | quay.io/cephcsi/cephcsi | v3.1.2 |
| v3.1.1 (Release) | quay.io/cephcsi/cephcsi | v3.1.1 |
| v3.1.0 (Release) | quay.io/cephcsi/cephcsi | v3.1.0 |
| v3.0.0 (Release) | quay.io/cephcsi/cephcsi | v3.0.0 |
| v2.1.2 (Release) | quay.io/cephcsi/cephcsi | v2.1.2 |
| v2.1.1 (Release) | quay.io/cephcsi/cephcsi | v2.1.1 |
| v2.1.0 (Release) | quay.io/cephcsi/cephcsi | v2.1.0 |
| v2.0.1 (Release) | quay.io/cephcsi/cephcsi | v2.0.1 |
| v2.0.0 (Release) | quay.io/cephcsi/cephcsi | v2.0.0 |
| v1.2.2 (Release) | quay.io/cephcsi/cephcsi | v1.2.2 |
| v1.2.1 (Release) | quay.io/cephcsi/cephcsi | v1.2.1 |
| v1.2.0 (Release) | quay.io/cephcsi/cephcsi | v1.2.0 |
| v1.1.0 (Release) | quay.io/cephcsi/cephcsi | v1.1.0 |
| v1.0.0 (Branch) | quay.io/cephcsi/cephfsplugin | v1.0.0 |
| v1.0.0 (Branch) | quay.io/cephcsi/rbdplugin | v1.0.0 |
## Contributing to this repo
Please follow [development-guide](<https://github.com/ceph/ceph-csi/tree/devel/docs/development-guide.md>)
and [coding style guidelines](<https://github.com/ceph/ceph-csi/tree/devel/docs/coding.md>)
if you are interested to contribute to this repo.
## Troubleshooting
Please submit an issue at: [Issues](https://github.com/ceph/ceph-csi/issues)
## Weekly Bug Triage call
We conduct weekly bug triage calls at our slack channel on Tuesdays.
More details are available [here](https://github.com/ceph/ceph-csi/issues/463)
## Dev standup
A regular dev standup takes place every [Monday at
12:00 PM UTC](https://meet.google.com/vit-qdhw-nyh) Convert to your local
timezone by executing command `date -d "12:00 UTC"` on terminal
Any changes to the meeting schedule will be added to the [agenda
doc](https://hackmd.io/6GL90WFGQL-L4DcIfIAKeQ).
Anyone who wants to discuss the direction of the project, design and
implementation reviews, or general questions with the broader community is
welcome and encouraged to join.
- Meeting link: <https://meet.google.com/vit-qdhw-nyh>
- [Current agenda](https://hackmd.io/6GL90WFGQL-L4DcIfIAKeQ)
## Contact
Please use the following to reach members of the community:
- Slack: Join the
[#ceph-csi](https://ceph-storage.slack.com/archives/C05522L7P60) channel
on the [ceph Slack](https://ceph-storage.slack.com) to discuss anything
related to this project. You can join the Slack by this
[invite link](https://bit.ly/ceph-slack-invite)
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