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Update inline volume design

This commit is contained in:
David Zhu 2019-03-22 12:02:18 -07:00
parent 913632fbb9
commit 9dd8f70066
1 changed files with 6 additions and 7 deletions
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13
contributors/design-proposals/storage/csi-migration.md
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@ -237,8 +237,7 @@ with the in-tree plugin, the VolumeAttachment object becomes orphaned.
### In-line Volumes ### In-line Volumes
In-line controller calls are a special case because there is no PV. In this case In-line controller calls are a special case because there is no PV. In this case
we will forward the in-tree volume source to CSI attach as-is and it will be we will translate the volume source and copy it to the field
copied to a new field in the VolumeAttachment object
VolumeAttachment.Spec.Source.VolumeAttachmentSource.InlineVolumeSource. The VolumeAttachment.Spec.Source.VolumeAttachmentSource.InlineVolumeSource. The
VolumeAttachment name must be made with the CSI Translated version of the VolumeAttachment name must be made with the CSI Translated version of the
VolumeSource in order for it to be discoverable by Detach and WaitForAttach VolumeSource in order for it to be discoverable by Detach and WaitForAttach
@ -259,12 +258,12 @@ type VolumeAttachmentSource struct {
// +optional // +optional
PersistentVolumeName *string `json:"persistentVolumeName,omitempty" protobuf:"bytes,1,opt,name=persistentVolumeName"` PersistentVolumeName *string `json:"persistentVolumeName,omitempty" protobuf:"bytes,1,opt,name=persistentVolumeName"`
// Allows CSI migration code to copy an inline volume // Translated VolumeSource from a pod to a CSIPersistentVolumeSource
// source from a pod to the VolumeAttachment to support shimming of // to support shimming of in-tree inline volumes to a CSI backend.
// in-tree inline volumes to a CSI backend. // This field is alpha-level and is only honored by servers that
// This field is alpha-level and is only honored by servers that enable the CSIMigration feature. // enable the CSIMigration feature.
// +optional // +optional
InlineVolumeSource *v1.VolumeSource `json:"inlineVolumeSource,omitempty protobuf:"bytes,2,opt,name=inlineVolumeSource"` InlineCSIVolumeSource *v1.CSIPersistentVolumeSource `json:"inlineCSIVolumeSource,omitempty" protobuf:"bytes,2,opt,name=inlineCSIVolumeSource"`
} }
``` ```