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CSI driver for Ceph
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Madhu Rajanna f0b2ea6a6d rbd: repair imageid after resync 
During resync operation the local image
will get deleted and a new image is recreated
by the rbd mirroring. The new image will have
a new imageID. Once resync is completed
update the imageID in the OMAP to get the
image removed from the trash during DeleteVolume.

Before resyncing

```
sh-4.4# rbd info replicapool/csi-vol-0c25bdd3-485f-11ec-bd30-0242ac110004
rbd image 'csi-vol-0c25bdd3-485f-11ec-bd30-0242ac110004':
	size 1 GiB in 256 objects
	order 22 (4 MiB objects)
	snapshot_count: 1
	id: 1efcc6b7a769
	block_name_prefix: rbd_data.1efcc6b7a769
	format: 2
	features: layering
	op_features:
	flags:
	create_timestamp: Thu Nov 18 11:02:40 2021
	access_timestamp: Thu Nov 18 11:02:40 2021
	modify_timestamp: Thu Nov 18 11:02:40 2021
	mirroring state: enabled
	mirroring mode: snapshot
	mirroring global id: 9c4c236d-8a47-4779-b4f6-94e05da70dbd
	mirroring primary: true
```

```
sh-4.4# rados listomapvals csi.volume.0c25bdd3-485f-11ec-bd30-0242ac110004
--pool=replicapool
csi.imageid
value (12 bytes) :
00000000  31 65 66 63 63 36 62 37  61 37 36 39              |1efcc6b7a769|
0000000c

csi.imagename
value (44 bytes) :
00000000  63 73 69 2d 76 6f 6c 2d  30 63 32 35 62 64 64 33  |csi-vol-0c25bdd3|
00000010  2d 34 38 35 66 2d 31 31  65 63 2d 62 64 33 30 2d  |-485f-11ec-bd30-|
00000020  30 32 34 32 61 63 31 31  30 30 30 34              |0242ac110004|
0000002c

csi.volname
value (40 bytes) :
00000000  70 76 63 2d 32 36 38 39  33 66 30 38 2d 66 66 32  |pvc-26893f08-ff2|
00000010  62 2d 34 61 30 66 2d 61  35 63 33 2d 38 38 34 62  |b-4a0f-a5c3-884b|
00000020  37 32 30 66 66 62 32 63                           |720ffb2c|
00000028

csi.volume.owner
value (7 bytes) :
00000000  64 65 66 61 75 6c 74                              |default|
00000007
```

After Resyncing

```
sh-4.4# rbd info replicapool/csi-vol-0c25bdd3-485f-11ec-bd30-0242ac110004
rbd image 'csi-vol-0c25bdd3-485f-11ec-bd30-0242ac110004':
	size 1 GiB in 256 objects
	order 22 (4 MiB objects)
	snapshot_count: 1
	id: 10b183a48a97
	block_name_prefix: rbd_data.10b183a48a97
	format: 2
	features: layering, non-primary
	op_features:
	flags:
	create_timestamp: Thu Nov 18 11:09:39 2021
	access_timestamp: Thu Nov 18 11:09:39 2021
	modify_timestamp: Thu Nov 18 11:09:39 2021
	mirroring state: enabled
	mirroring mode: snapshot
	mirroring global id: 9c4c236d-8a47-4779-b4f6-94e05da70dbd
	mirroring primary: false

sh-4.4# rados listomapvals csi.volume.0c25bdd3-485f-11ec-bd30-0242ac110004
--pool=replicapool
csi.imageid
value (12 bytes) :
00000000  31 30 62 31 38 33 61 34  38 61 39 37              |10b183a48a97|
0000000c

csi.imagename
value (44 bytes) :
00000000  63 73 69 2d 76 6f 6c 2d  30 63 32 35 62 64 64 33  |csi-vol-0c25bdd3|
00000010  2d 34 38 35 66 2d 31 31  65 63 2d 62 64 33 30 2d  |-485f-11ec-bd30-|
00000020  30 32 34 32 61 63 31 31  30 30 30 34              |0242ac110004|
0000002c

csi.volname
value (40 bytes) :
00000000  70 76 63 2d 32 36 38 39  33 66 30 38 2d 66 66 32  |pvc-26893f08-ff2|
00000010  62 2d 34 61 30 66 2d 61  35 63 33 2d 38 38 34 62  |b-4a0f-a5c3-884b|
00000020  37 32 30 66 66 62 32 63                           |720ffb2c|
00000028

csi.volume.owner
value (7 bytes) :
00000000  64 65 66 61 75 6c 74                              |default|
00000007
```

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2021-11-25 09:22:13 +00:00
.github ci: fix helm chart push for release branches 2021-11-22 07:55:59 +00:00
actions/retest ci: use only latest version of test status in retest action 2021-11-24 12:37:05 +00:00
api deploy: move rbd/ceph-csi-config ConfigMap to API 2021-10-15 16:08:59 +00:00
assets feat: Adds Ceph logo as icon for Helm charts 2019-08-20 05:34:28 +00:00
charts helm: csiplugin-configmap generates invalid configuation 2021-11-25 06:31:38 +00:00
cmd cleanup: rework on naming conventions 2021-09-24 06:17:17 +00:00
deploy build: remove unneeded empty YAML document from deployment artifacts 2021-10-15 16:08:59 +00:00
docs doc: add documentation for retest job 2021-11-16 12:03:36 +00:00
e2e e2e: retry on "transport: missing content-type field" error 2021-11-23 17:13:56 +00:00
examples deploy: updated sc templates for map/unmap Options with the new schema 2021-11-23 08:54:37 +00:00
internal rbd: repair imageid after resync 2021-11-25 09:22:13 +00:00
scripts deploy: remove expandCSIVolumes feature gate from deployment 2021-11-22 06:08:23 +00:00
tools build: remove unneeded empty YAML document from deployment artifacts 2021-10-15 16:08:59 +00:00
troubleshooting/tools cleanup: address pylint "consider-using-with" in tracevol.py 2021-08-19 09:06:17 +00:00
vendor rebase: bump github.com/aws/aws-sdk-go from 1.41.15 to 1.42.7 2021-11-24 09:16:19 +00:00
.commitlintrc.yml ci: trailer-exists to verify sign-off 2021-08-05 14:50:12 +05:30
.gitignore build: add .test-container-id to .gitignore 2020-08-18 14:34:08 +00:00
.mergify.yml Revert "ci: have Mergify label PRs for actions/ with ci/skip/e2e" 2021-11-23 16:02:27 +01:00
.pre-commit-config.yaml ci: Add pre-commit hook to catch issues locally 2020-08-19 16:01:16 +00:00
build.env ci: update minikube to v1.24.0 2021-11-19 17:51:00 +00:00
deploy.sh build: git config before commit 2021-06-10 16:03:40 +02:00
go.mod rebase: bump github.com/aws/aws-sdk-go from 1.41.15 to 1.42.7 2021-11-24 09:16:19 +00:00
go.sum rebase: bump github.com/aws/aws-sdk-go from 1.41.15 to 1.42.7 2021-11-24 09:16:19 +00:00
LICENSE Removing appendix from license. 2019-08-09 15:16:46 +00:00
Makefile ci: remove gh action gosec linter,since it is already part of golangci 2021-11-16 12:29:56 +01:00
README.md doc: update dev standup meeting link 2021-09-30 13:27:11 +00:00

README.md

Ceph CSI

GitHub release Go Report Card TODOs

This repo contains Ceph Container Storage Interface (CSI) driver for RBD, CephFS and kubernetes sidecar deployment yamls of provisioner, attacher, resizer, driver-registrar and snapshotter for supporting CSI functionalities.

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 plugin, please refer rbd doc and for CephFS plugin configuration and deployment please refer cephFS doc.
  • For example usage of RBD and CephFS CSI plugins, see examples in examples/.
  • Stale resource cleanup, please refer cleanup doc.

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 on Kubernetes environments.

Ceph CSI Version Container Orchestrator Name Version Tested
v3.4.0 Kubernetes v1.20, v1.21, v1.22
v3.3.0 Kubernetes v1.20, v1.21, v1.22

There is work in progress to make this CO independent and thus support other orchestration environments (Nomad, Mesos..etc) in the future.

NOTE:

The supported window of Ceph CSI versions is known as "N.(x-1)": (N (Latest major release) . (x (Latest minor release) - 1)).

For example, if Ceph CSI latest major version is 3.4.0 today, support is provided for the versions above 3.3.0. If users are running an unsupported Ceph CSI version, they will be asked to upgrade when requesting support for the cluster.

Support Matrix

Ceph-CSI features and available versions

Please refer rbd nbd mounter 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 Nautilus (>=14.0.0) >= v1.14.0
Dynamically provision, de-provision Block mode RWX volume GA >= v1.0.0 >= v1.0.0 Nautilus (>=14.0.0) >= v1.14.0
Dynamically provision, de-provision File mode RWO volume GA >= v1.0.0 >= v1.0.0 Nautilus (>=14.0.0) >= v1.14.0
Provision File Mode ROX volume from snapshot Alpha >= v3.0.0 >= v1.0.0 Nautilus (>=v14.2.2) >= v1.17.0
Provision File Mode ROX volume from another volume Alpha >= v3.0.0 >= v1.0.0 Nautilus (>=v14.2.2) >= v1.16.0
Provision Block Mode ROX volume from snapshot Alpha >= v3.0.0 >= v1.0.0 Nautilus (>=v14.2.2) >= v1.17.0
Provision Block Mode ROX volume from another volume Alpha >= v3.0.0 >= v1.0.0 Nautilus (>=v14.2.2) >= v1.16.0
Creating and deleting snapshot Beta >= v1.0.0 >= v1.0.0 Nautilus (>=14.0.0) >= v1.17.0
Provision volume from snapshot Beta >= v1.0.0 >= v1.0.0 Nautilus (>=14.0.0) >= v1.17.0
Provision volume from another volume Beta >= v1.0.0 >= v1.0.0 Nautilus (>=14.0.0) >= v1.16.0
Expand volume Beta >= v2.0.0 >= v1.1.0 Nautilus (>=14.0.0) >= v1.15.0
Volume/PV Metrics of File Mode Volume Beta >= v1.2.0 >= v1.1.0 Nautilus (>=14.0.0) >= v1.15.0
Volume/PV Metrics of Block Mode Volume Beta >= v1.2.0 >= v1.1.0 Nautilus (>=14.0.0) >= v1.21.0
Topology Aware Provisioning Support Alpha >= v2.1.0 >= v1.1.0 Nautilus (>=14.0.0) >= v1.14.0
CephFS Dynamically provision, de-provision File mode RWO volume Beta >= v1.1.0 >= v1.0.0 Nautilus (>=14.2.2) >= v1.14.0
Dynamically provision, de-provision File mode RWX volume Beta >= v1.1.0 >= v1.0.0 Nautilus (>=v14.2.2) >= v1.14.0
Dynamically provision, de-provision File mode ROX volume Alpha >= v3.0.0 >= v1.0.0 Nautilus (>=v14.2.2) >= v1.14.0
Creating and deleting snapshot Beta >= v3.1.0 >= v1.0.0 Octopus (>=v15.2.3) >= v1.17.0
Provision volume from snapshot Beta >= v3.1.0 >= v1.0.0 Octopus (>=v15.2.3) >= v1.17.0
Provision volume from another volume Beta >= v3.1.0 >= v1.0.0 Octopus (>=v15.2.3) >= v1.16.0
Expand volume Beta >= v2.0.0 >= v1.1.0 Nautilus (>=v14.2.2) >= v1.15.0
Volume/PV Metrics of File Mode Volume Beta >= v1.2.0 >= v1.1.0 Nautilus (>=v14.2.2) >= v1.15.0

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 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
v3.4.0 (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
Deprecated Ceph CSI Release/Branch Container image name Image Tag
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 and coding style guidelines if you are interested to contribute to this repo.

Troubleshooting

Please submit an issue at: Issues

Weekly Bug Triage call

We conduct weekly bug triage calls at our slack channel on Tuesdays. More details are available here

Dev standup

A regular dev standup takes place every Monday,Tuesday and Thursday at 12:00 PM UTC. 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.

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.

Contact

Please use the following to reach members of the community: