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README.md Restructure samples (#1710) 2019-08-01 17:31:37 -07:00
volume_snapshot_ops.py feat(sdk)!: move v1 to deprecated folder (#7291) 2022-03-04 00:52:59 +00:00
volume_snapshot_ops_test.py feat(sdk)!: move v1 to deprecated folder (#7291) 2022-03-04 00:52:59 +00:00

README.md

Simplify the creation of VolumeSnapshot instances

VolumeSnapshotOp: A specified ResourceOp for VolumeSnapshot creation.

NOTE: VolumeSnapshots is an Alpha feature. You should check if your Kubernetes cluster admin has them enabled.

Arguments:

The following arguments are an extension to the ResourceOp arguments. If a k8s_resource is passed, then none of the following may be provided.

  • resource_name: The name of the resource which will be created. This string will be prepended with the workflow name. This may contain PipelineParams. (required)
  • pvc: The name of the PVC to be snapshotted. This may contain PipelineParams. (optional)
  • snapshot_class: The snapshot storage class to be used. This may contain PipelineParams. (optional)
  • volume: An instance of a V1Volume, or its inherited type (e.g. PipelineVolume). This may contain PipelineParams. (optional)
  • annotations: Annotations to be patched in the VolumeSnapshot. These may contain PipelineParams. (optional)

NOTE: One of the pvc or volume needs to be provided.

Outputs

Additionally to the whole specification of the resource and its name (ResourceOp defaults), a VolumeSnapshotOp also outputs the restoreSize of the bounded VolumeSnapshot (as step.outputs["size"]). This is the minimum size for a PVC created by that snapshot.

Useful attribute

The VolumeSnapshotOp step has a .snapshot attribute which is a V1TypedLocalObjectReference. This can be passed as a data_source to create a PVC out of that VolumeSnapshot. The user may otherwise use the step.outputs["name"] as data_source.