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PV Recycling API

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markturansky
2015-05-29 16:12:10 -04:00
parent a7ee5559b1
commit 2829fadfad
21 changed files with 155 additions and 11 deletions
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26
pkg/api/types.go
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@@ -263,11 +263,33 @@ type PersistentVolumeSpec struct {
// ClaimRef is expected to be non-nil when bound.
// claim.VolumeName is the authoritative bind between PV and PVC.
ClaimRef *ObjectReference `json:"claimRef,omitempty"`
// Optional: what happens to a persistent volume when released from its claim.
PersistentVolumeReclaimPolicy PersistentVolumeReclaimPolicy `json:"persistentVolumeReclaimPolicy,omitempty" description:"what happens to a volume when released from its claim; Valid options are Retain (default) and Recycle. Recyling must be supported by the volume plugin underlying this persistent volume."`
}
// PersistentVolumeReclaimPolicy describes a policy for end-of-life maintenance of persistent volumes
type PersistentVolumeReclaimPolicy string
const (
// PersistentVolumeReclaimRecycle means the volume will be recycled back into the pool of unbound persistent volumes on release from its claim.
// The volume plugin must support Recycling.
PersistentVolumeReclaimRecycle PersistentVolumeReclaimPolicy = "Recycle"
// PersistentVolumeReclaimDelete means the volume will be deleted from Kubernetes on release from its claim.
// The volume plugin must support Deletion.
// TODO: implement w/ DeletableVolumePlugin
// PersistentVolumeReclaimDelete PersistentVolumeReclaimPolicy = "Delete"
// PersistentVolumeReclaimRetain means the volume will left in its current phase (Released) for manual reclamation by the administrator.
// The default policy is Retain.
PersistentVolumeReclaimRetain PersistentVolumeReclaimPolicy = "Retain"
)
type PersistentVolumeStatus struct {
// Phase indicates if a volume is available, bound to a claim, or released by a claim
Phase PersistentVolumePhase `json:"phase,omitempty"`
// A human-readable message indicating details about why the volume is in this state.
Message string `json:"message,omitempty"`
// Reason is a brief CamelCase string that describes any failure and is meant for machine parsing and tidy display in the CLI
Reason string `json:"reason,omitempty"`
}
type PersistentVolumeList struct {
@@ -331,12 +353,16 @@ const (
// used for PersistentVolumes that are not available
VolumePending PersistentVolumePhase = "Pending"
// used for PersistentVolumes that are not yet bound
// Available volumes are held by the binder and matched to PersistentVolumeClaims
VolumeAvailable PersistentVolumePhase = "Available"
// used for PersistentVolumes that are bound
VolumeBound PersistentVolumePhase = "Bound"
// used for PersistentVolumes where the bound PersistentVolumeClaim was deleted
// released volumes must be recycled before becoming available again
// this phase is used by the persistent volume claim binder to signal to another process to reclaim the resource
VolumeReleased PersistentVolumePhase = "Released"
// used for PersistentVolumes that failed to be correctly recycled or deleted after being released from a claim
VolumeFailed PersistentVolumePhase = "Failed"
)
type PersistentVolumeClaimPhase string