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feat(zfspv): adding poolname info to the PV volumeattributes (#80)

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Now PV will have poolname/parent-dataset info in volume attributes to help to identify the zpool on which PV has been created.

```
$ kubectl describe pv pvc-22d55c56-0c52-4fd5-894c-1f54c4dac5b7
Name:              pvc-22d55c56-0c52-4fd5-894c-1f54c4dac5b7
Labels:            <none>
Annotations:       pv.kubernetes.io/provisioned-by: zfs.csi.openebs.io
Finalizers:        [kubernetes.io/pv-protection]
StorageClass:      openebs-zfspv
Status:            Bound
Claim:             default/pvcname208
Reclaim Policy:    Delete
Access Modes:      RWO
VolumeMode:        Filesystem
Capacity:          4Gi
Node Affinity:
  Required Terms:
    Term 0:        kubernetes.io/hostname in [pawan-2]
Message:
Source:
    Type:              CSI (a Container Storage Interface (CSI) volume source)
    Driver:            zfs.csi.openebs.io
    VolumeHandle:      pvc-22d55c56-0c52-4fd5-894c-1f54c4dac5b7
    ReadOnly:          false
    VolumeAttributes:      openebs.io/poolname=zfspv-pool
                           storage.kubernetes.io/csiProvisionerIdentity=1586765686638-8081-zfs.csi.openebs.io
Events:                <none>
```
Signed-off-by: Pawan <pawan@mayadata.io>
This commit is contained in:
Pawan Prakash Sharma 2020-04-14 08:46:35 +05:30 • committed by GitHub
parent 3a1a8e78e6
commit fbd4812642
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pkg/zfs/volume.go
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@ -37,6 +37,8 @@ const (
ZFSFinalizer string = "zfs.openebs.io/finalizer"
// ZFSVolKey for the ZfsSnapshot CR to store Persistence Volume name
ZFSVolKey string = "openebs.io/persistent-volume"
// PoolNameKey is key for ZFS pool name
PoolNameKey string = "openebs.io/poolname"
// ZFSNodeKey will be used to insert Label in ZfsVolume CR
ZFSNodeKey string = "kubernetes.io/nodename"
// ZFSTopologyKey is supported topology key for the zfs driver