kubevirt / containerized-data-importer / #6257

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Pull #4286

travis-ci

storagecapabilities: add OpenEBS Replicated PV Mayastor

CDI had no entry for any OpenEBS provisioner, so every OpenEBS
StorageClass produced an empty StorageProfile and reported the
Recognized condition as UnrecognizedProvisioner, leaving users to
hand-write spec.claimPropertySets.

Mayastor supports RWX only for Block volumes, and only when the
StorageClass opts in with the rwxBlock parameter (OpenEBS v4.5.0+,
added for KubeVirt live migration). The CSI controller rejects
MULTI_NODE_MULTI_WRITER otherwise:

  https://github.com/openebs/mayastor-control-plane/blob/develop/control-plane/csi-driver/src/bin/controller/controller.rs

Since the opt-in is per StorageClass, key the capabilities off that
parameter the way driver.longhorn.io/migratable already does, rather
than advertising RWX for every Mayastor class. Classes that did not
opt in keep RWO block/filesystem, which holds for all Mayastor
versions.

No clone strategy is advised: the driver reports no CLONE_VOLUME
capability and rejects a volume content source, but does support
snapshots, which is what the existing default already picks when a
VolumeSnapshotClass is present.

Signed-off-by: krishnaGajabi <gajbikrishna23@gmail.com>

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