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Merge pull request #390 from ShyamsundarR/stateless-cephfs

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Make CephFS plugin stateless reusing RADOS based journal scheme
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Humble Devassy Chirammal
2019-06-07 10:44:18 +05:30
committed by GitHub
parent dc04362ac5 b9cd0e18ad
commit 95252dd9f6
35 changed files with 959 additions and 262 deletions
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15
examples/README.md
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@ -9,16 +9,13 @@ By default, they look for the YAML manifests in
`../../deploy/{rbd,cephfs}/kubernetes`.
You can override this path by running `$ ./plugin-deploy.sh /path/to/my/manifests`.
## Creating CSI configuration for RBD based provisioning
## Creating CSI configuration
**NOTE:** This section is not required for cephfs based provisioning, and SHOULD
be skipped.
For RBD based provisioning, the CSI plugin requires configuration information
regarding the Ceph cluster(s), that would host the RBD based block devices. This
The CSI plugin requires configuration information regarding the Ceph cluster(s),
that would host the dynamically or statically provisioned volumes. This
is provided by adding a per-cluster identifier (referred to as clusterID), and
the required monitor details for the same, as in the provided [sample config
map](./rbd/csi-config-map-sample.yaml).
map](./csi-config-map-sample.yaml).
Gather the following information from the Ceph cluster(s) of choice,
@ -31,12 +28,12 @@ Gather the following information from the Ceph cluster(s) of choice,
* Alternatively, choose a `<cluster-id>` value that is distinct per Ceph
cluster in use by this kubernetes cluster
Update the [sample config map](./rbd/csi-config-map-sample.yaml) with values
Update the [sample config map](./csi-config-map-sample.yaml) with values
from a Ceph cluster and replace `<cluster-id>` with the chosen clusterID, to
create the manifest for the config map which can be updated in the cluster
using the following command,
* `kubectl replace -f rbd/csi-config-map-sample.yaml`
* `kubectl replace -f ./csi-config-map-sample.yaml`
Storage class and snapshot class, using `<cluster-id>` as the value for the
option `clusterID`, can now be created on the cluster.