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feat(block): adding block volume support for ZFSPV (#102)

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This commit adds the support for creating a Raw Block Volume request using volumemode as block in PVC :-

```
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: block-claim
spec:
  volumeMode: Block
  storageClassName: zfspv-block
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 5Gi
```

The driver will create a zvol for this volume and bind mount the block device at the given path.

Signed-off-by: Pawan <pawan@mayadata.io>
This commit is contained in:
Pawan Prakash Sharma 2020-05-05 12:28:46 +05:30 • committed by GitHub
parent 49dc99726b
commit dd059a2f43
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 274 additions and 10 deletions
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14
pkg/driver/agent.go
View file

@ -110,14 +110,18 @@ func (ns *node) NodePublishVolume(
vol, mountInfo, err := GetVolAndMountInfo(req)
if err != nil {
goto PublishVolumeResponse
return nil, status.Error(codes.Internal, err.Error())
}
// attempt mount operation on the requested path
if err = zfs.MountVolume(vol, mountInfo); err != nil {
goto PublishVolumeResponse
// If the access type is block, do nothing for stage
switch req.GetVolumeCapability().GetAccessType().(type) {
case *csi.VolumeCapability_Block:
// attempt block mount operation on the requested path
err = zfs.MountBlock(vol, mountInfo)
case *csi.VolumeCapability_Mount:
// attempt filesystem mount operation on the requested path
err = zfs.MountFilesystem(vol, mountInfo)
}
PublishVolumeResponse:
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}