GetOwner returns the pvc namespace name from the parameter.

GetServerVersion returns kubernetes server major and minor version as integer.

GetSnapshotMetadata filter parameters, only return snapshot-name/snapshot-namespace/snapshotcontent-name metadata.

GetSnapshotMetadataKeys return snapshot metadata keys.

GetVolumeMetadata filter parameters, only return PV/PVC/PVCNamespace metadata.

GetVolumeMetadataKeys return volume metadata keys.

NewK8sClient create kubernetes client.

PrepareVolumeMetadata return PV/PVC/PVCNamespace metadata based on inputs.

RemoveCSIPrefixedParameters removes parameters prefixed with csiParameterPrefix.

RunsOnKubernetes checks if the application is running within a Kubernetes cluster by inspecting the presence of the KUBERNETES_SERVICE_HOST environment variable.