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Introduce feature gate for volume expansion

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Update CSI library version
This commit is contained in:
Hemant Kumar
2019-02-11 17:07:25 -05:00
parent 89d1de9eb9
commit 63eb25eb4b
6 changed files with 838 additions and 275 deletions
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13
pkg/volume/plugins.go
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@@ -219,17 +219,18 @@ type DeviceMountableVolumePlugin interface {
}
// ExpandableVolumePlugin is an extended interface of VolumePlugin and is used for volumes that can be
// expanded
// expanded via control-plane ExpandVolumeDevice call.
type ExpandableVolumePlugin interface {
VolumePlugin
ExpandVolumeDevice(spec *Spec, newSize resource.Quantity, oldSize resource.Quantity) (resource.Quantity, error)
RequiresFSResize() bool
}
// NodeExpandableVolumePlugin is an extension of ExpandableVolumePlugin and is used for volumes (flex)
// that require extra steps on nodes for expansion to complete
// NodeExpandableVolumePlugin is an expanded interface of VolumePlugin and is used for volumes that
// require expansion on the node via NodeExpand call.
type NodeExpandableVolumePlugin interface {
ExpandableVolumePlugin
VolumePlugin
RequiresFSResize() bool
// NodeExpand expands volume on given deviceMountPath and returns true if resize is successful.
// devicePath can be set to empty string if unavailable.
NodeExpand(spec *Spec, devicePath, deviceMountPath string, newSize, oldSize resource.Quantity) (bool, error)
@@ -965,8 +966,8 @@ func (pm *VolumePluginMgr) FindNodeExpandablePluginBySpec(spec *Spec) (NodeExpan
return nil, nil
}
// FindFSResizablePluginByName fetches a persistent volume plugin by name
func (pm *VolumePluginMgr) FindFSResizablePluginByName(name string) (NodeExpandableVolumePlugin, error) {
// FindNodeExpandablePluginByName fetches a persistent volume plugin by name
func (pm *VolumePluginMgr) FindNodeExpandablePluginByName(name string) (NodeExpandableVolumePlugin, error) {
volumePlugin, err := pm.FindPluginByName(name)
if err != nil {
return nil, err