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ShyamsundarR b9cd0e18ad Make CephFS plugin stateless reusing RADOS based journal scheme 
This is a part of the stateless set of commits for CephCSI.

This commit removes the dependency on config maps to store cephFS provisioned
volumes, and instead relies on RADOS based objects and keys, and required
CSI VolumeID encoding to detect the provisioned volumes.

Changes:
- Provide backward compatibility to provisioned volumes by older plugin versions (1.0.0 or older)
- Remove Create/Delete support for statically provisioned volumes (fixes #382)
- Added namespace support to RADOS OMaps and used the same to store RADOS CSI objects and keys in the CephFS metadata pool
- Added support to mention fsname for CephFS provisioning (fixes #359)
- Changed field name in CSI Identifier to 'location', to denote a pool or fscid
- Updated mounter cache to use new scheme
- Required Helm manifests are updated
- Required documentation and other manifests are updated
- Made driver option 'metadatastorage' as optional, as fresh installs do not need to specify the same

Testing done:
- Create/Mount/Delete PVC
- Create/Delete 5 PVCs
- Mount version 1.0.0 PVC
- Delete version 1.0.0 PV
- Mount Statically defined PV/PVC/Pod
- Mount Statically defined version 1.0.0 PV/PVC/Pod
- Delete Statically defined version 1.0.0 PV/PVC/Pod
- Node restart when mounted to test mountcache
- Use InstanceID other than 'default'
- RBD basic round of tests, as namespace is added to OMaps
- csitest against ceph-fs plugin
  - NOTE: CephFS plugin still does not detect and address already created
  volumes but of a different size
- Test not providing any value to the metadata storage parameter

Signed-off-by: ShyamsundarR <srangana@redhat.com>
2019-05-30 06:20:35 -04:00
..
templates Make CephFS plugin stateless reusing RADOS based journal scheme 2019-05-30 06:20:35 -04:00
.helmignore Add helm chat for cephfs 2019-02-21 10:38:25 +05:30
Chart.yaml Removed config maps and replaced with rados omaps 2019-05-19 12:29:33 +00:00
README.md update readme to delete namespace 2019-03-13 12:04:30 +05:30
values.yaml Make CephFS plugin stateless reusing RADOS based journal scheme 2019-05-30 06:20:35 -04:00

README.md

ceph-csi-cephfs

The ceph-csi-cephfs chart adds cephfs volume support to your cluster.

Install Chart

To install the Chart into your Kubernetes cluster

helm install --namespace "ceph-csi-cephfs" --name "ceph-csi-cephfs" ceph-csi/ceph-csi-cephfs

After installation succeeds, you can get a status of Chart

helm status "ceph-csi-cephfs"

If you want to delete your Chart, use this command

helm delete --purge "ceph-csi-cephfs"

If you want to delete the namespace, use this command

kubectl delete namespace ceph-csi-rbd