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types.go
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/
types.go
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/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v1
import (
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/intstr"
)
const (
// NamespaceDefault means the object is in the default namespace which is applied when not specified by clients
NamespaceDefault string = "default"
// NamespaceAll is the default argument to specify on a context when you want to list or filter resources across all namespaces
NamespaceAll string = ""
// NamespaceNodeLease is the namespace where we place node lease objects (used for node heartbeats)
NamespaceNodeLease string = "kube-node-lease"
)
// Volume represents a named volume in a pod that may be accessed by any container in the pod.
type Volume struct {
// name of the volume.
// Must be a DNS_LABEL and unique within the pod.
// More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
Name string `json:"name" protobuf:"bytes,1,opt,name=name"`
// volumeSource represents the location and type of the mounted volume.
// If not specified, the Volume is implied to be an EmptyDir.
// This implied behavior is deprecated and will be removed in a future version.
VolumeSource `json:",inline" protobuf:"bytes,2,opt,name=volumeSource"`
}
// Represents the source of a volume to mount.
// Only one of its members may be specified.
type VolumeSource struct {
// hostPath represents a pre-existing file or directory on the host
// machine that is directly exposed to the container. This is generally
// used for system agents or other privileged things that are allowed
// to see the host machine. Most containers will NOT need this.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath
// ---
// TODO(jonesdl) We need to restrict who can use host directory mounts and who can/can not
// mount host directories as read/write.
// +optional
HostPath *HostPathVolumeSource `json:"hostPath,omitempty" protobuf:"bytes,1,opt,name=hostPath"`
// emptyDir represents a temporary directory that shares a pod's lifetime.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir
// +optional
EmptyDir *EmptyDirVolumeSource `json:"emptyDir,omitempty" protobuf:"bytes,2,opt,name=emptyDir"`
// gcePersistentDisk represents a GCE Disk resource that is attached to a
// kubelet's host machine and then exposed to the pod.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk
// +optional
GCEPersistentDisk *GCEPersistentDiskVolumeSource `json:"gcePersistentDisk,omitempty" protobuf:"bytes,3,opt,name=gcePersistentDisk"`
// awsElasticBlockStore represents an AWS Disk resource that is attached to a
// kubelet's host machine and then exposed to the pod.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore
// +optional
AWSElasticBlockStore *AWSElasticBlockStoreVolumeSource `json:"awsElasticBlockStore,omitempty" protobuf:"bytes,4,opt,name=awsElasticBlockStore"`
// gitRepo represents a git repository at a particular revision.
// DEPRECATED: GitRepo is deprecated. To provision a container with a git repo, mount an
// EmptyDir into an InitContainer that clones the repo using git, then mount the EmptyDir
// into the Pod's container.
// +optional
GitRepo *GitRepoVolumeSource `json:"gitRepo,omitempty" protobuf:"bytes,5,opt,name=gitRepo"`
// secret represents a secret that should populate this volume.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#secret
// +optional
Secret *SecretVolumeSource `json:"secret,omitempty" protobuf:"bytes,6,opt,name=secret"`
// nfs represents an NFS mount on the host that shares a pod's lifetime
// More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs
// +optional
NFS *NFSVolumeSource `json:"nfs,omitempty" protobuf:"bytes,7,opt,name=nfs"`
// iscsi represents an ISCSI Disk resource that is attached to a
// kubelet's host machine and then exposed to the pod.
// More info: https://examples.k8s.io/volumes/iscsi/README.md
// +optional
ISCSI *ISCSIVolumeSource `json:"iscsi,omitempty" protobuf:"bytes,8,opt,name=iscsi"`
// glusterfs represents a Glusterfs mount on the host that shares a pod's lifetime.
// More info: https://examples.k8s.io/volumes/glusterfs/README.md
// +optional
Glusterfs *GlusterfsVolumeSource `json:"glusterfs,omitempty" protobuf:"bytes,9,opt,name=glusterfs"`
// persistentVolumeClaimVolumeSource represents a reference to a
// PersistentVolumeClaim in the same namespace.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims
// +optional
PersistentVolumeClaim *PersistentVolumeClaimVolumeSource `json:"persistentVolumeClaim,omitempty" protobuf:"bytes,10,opt,name=persistentVolumeClaim"`
// rbd represents a Rados Block Device mount on the host that shares a pod's lifetime.
// More info: https://examples.k8s.io/volumes/rbd/README.md
// +optional
RBD *RBDVolumeSource `json:"rbd,omitempty" protobuf:"bytes,11,opt,name=rbd"`
// flexVolume represents a generic volume resource that is
// provisioned/attached using an exec based plugin.
// +optional
FlexVolume *FlexVolumeSource `json:"flexVolume,omitempty" protobuf:"bytes,12,opt,name=flexVolume"`
// cinder represents a cinder volume attached and mounted on kubelets host machine.
// More info: https://examples.k8s.io/mysql-cinder-pd/README.md
// +optional
Cinder *CinderVolumeSource `json:"cinder,omitempty" protobuf:"bytes,13,opt,name=cinder"`
// cephFS represents a Ceph FS mount on the host that shares a pod's lifetime
// +optional
CephFS *CephFSVolumeSource `json:"cephfs,omitempty" protobuf:"bytes,14,opt,name=cephfs"`
// flocker represents a Flocker volume attached to a kubelet's host machine. This depends on the Flocker control service being running
// +optional
Flocker *FlockerVolumeSource `json:"flocker,omitempty" protobuf:"bytes,15,opt,name=flocker"`
// downwardAPI represents downward API about the pod that should populate this volume
// +optional
DownwardAPI *DownwardAPIVolumeSource `json:"downwardAPI,omitempty" protobuf:"bytes,16,opt,name=downwardAPI"`
// fc represents a Fibre Channel resource that is attached to a kubelet's host machine and then exposed to the pod.
// +optional
FC *FCVolumeSource `json:"fc,omitempty" protobuf:"bytes,17,opt,name=fc"`
// azureFile represents an Azure File Service mount on the host and bind mount to the pod.
// +optional
AzureFile *AzureFileVolumeSource `json:"azureFile,omitempty" protobuf:"bytes,18,opt,name=azureFile"`
// configMap represents a configMap that should populate this volume
// +optional
ConfigMap *ConfigMapVolumeSource `json:"configMap,omitempty" protobuf:"bytes,19,opt,name=configMap"`
// vsphereVolume represents a vSphere volume attached and mounted on kubelets host machine
// +optional
VsphereVolume *VsphereVirtualDiskVolumeSource `json:"vsphereVolume,omitempty" protobuf:"bytes,20,opt,name=vsphereVolume"`
// quobyte represents a Quobyte mount on the host that shares a pod's lifetime
// +optional
Quobyte *QuobyteVolumeSource `json:"quobyte,omitempty" protobuf:"bytes,21,opt,name=quobyte"`
// azureDisk represents an Azure Data Disk mount on the host and bind mount to the pod.
// +optional
AzureDisk *AzureDiskVolumeSource `json:"azureDisk,omitempty" protobuf:"bytes,22,opt,name=azureDisk"`
// photonPersistentDisk represents a PhotonController persistent disk attached and mounted on kubelets host machine
PhotonPersistentDisk *PhotonPersistentDiskVolumeSource `json:"photonPersistentDisk,omitempty" protobuf:"bytes,23,opt,name=photonPersistentDisk"`
// projected items for all in one resources secrets, configmaps, and downward API
Projected *ProjectedVolumeSource `json:"projected,omitempty" protobuf:"bytes,26,opt,name=projected"`
// portworxVolume represents a portworx volume attached and mounted on kubelets host machine
// +optional
PortworxVolume *PortworxVolumeSource `json:"portworxVolume,omitempty" protobuf:"bytes,24,opt,name=portworxVolume"`
// scaleIO represents a ScaleIO persistent volume attached and mounted on Kubernetes nodes.
// +optional
ScaleIO *ScaleIOVolumeSource `json:"scaleIO,omitempty" protobuf:"bytes,25,opt,name=scaleIO"`
// storageOS represents a StorageOS volume attached and mounted on Kubernetes nodes.
// +optional
StorageOS *StorageOSVolumeSource `json:"storageos,omitempty" protobuf:"bytes,27,opt,name=storageos"`
// csi (Container Storage Interface) represents ephemeral storage that is handled by certain external CSI drivers (Beta feature).
// +optional
CSI *CSIVolumeSource `json:"csi,omitempty" protobuf:"bytes,28,opt,name=csi"`
// ephemeral represents a volume that is handled by a cluster storage driver.
// The volume's lifecycle is tied to the pod that defines it - it will be created before the pod starts,
// and deleted when the pod is removed.
//
// Use this if:
// a) the volume is only needed while the pod runs,
// b) features of normal volumes like restoring from snapshot or capacity
// tracking are needed,
// c) the storage driver is specified through a storage class, and
// d) the storage driver supports dynamic volume provisioning through
// a PersistentVolumeClaim (see EphemeralVolumeSource for more
// information on the connection between this volume type
// and PersistentVolumeClaim).
//
// Use PersistentVolumeClaim or one of the vendor-specific
// APIs for volumes that persist for longer than the lifecycle
// of an individual pod.
//
// Use CSI for light-weight local ephemeral volumes if the CSI driver is meant to
// be used that way - see the documentation of the driver for
// more information.
//
// A pod can use both types of ephemeral volumes and
// persistent volumes at the same time.
//
// +optional
Ephemeral *EphemeralVolumeSource `json:"ephemeral,omitempty" protobuf:"bytes,29,opt,name=ephemeral"`
}
// PersistentVolumeClaimVolumeSource references the user's PVC in the same namespace.
// This volume finds the bound PV and mounts that volume for the pod. A
// PersistentVolumeClaimVolumeSource is, essentially, a wrapper around another
// type of volume that is owned by someone else (the system).
type PersistentVolumeClaimVolumeSource struct {
// claimName is the name of a PersistentVolumeClaim in the same namespace as the pod using this volume.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims
ClaimName string `json:"claimName" protobuf:"bytes,1,opt,name=claimName"`
// readOnly Will force the ReadOnly setting in VolumeMounts.
// Default false.
// +optional
ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,2,opt,name=readOnly"`
}
// PersistentVolumeSource is similar to VolumeSource but meant for the
// administrator who creates PVs. Exactly one of its members must be set.
type PersistentVolumeSource struct {
// gcePersistentDisk represents a GCE Disk resource that is attached to a
// kubelet's host machine and then exposed to the pod. Provisioned by an admin.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk
// +optional
GCEPersistentDisk *GCEPersistentDiskVolumeSource `json:"gcePersistentDisk,omitempty" protobuf:"bytes,1,opt,name=gcePersistentDisk"`
// awsElasticBlockStore represents an AWS Disk resource that is attached to a
// kubelet's host machine and then exposed to the pod.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore
// +optional
AWSElasticBlockStore *AWSElasticBlockStoreVolumeSource `json:"awsElasticBlockStore,omitempty" protobuf:"bytes,2,opt,name=awsElasticBlockStore"`
// hostPath represents a directory on the host.
// Provisioned by a developer or tester.
// This is useful for single-node development and testing only!
// On-host storage is not supported in any way and WILL NOT WORK in a multi-node cluster.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath
// +optional
HostPath *HostPathVolumeSource `json:"hostPath,omitempty" protobuf:"bytes,3,opt,name=hostPath"`
// glusterfs represents a Glusterfs volume that is attached to a host and
// exposed to the pod. Provisioned by an admin.
// More info: https://examples.k8s.io/volumes/glusterfs/README.md
// +optional
Glusterfs *GlusterfsPersistentVolumeSource `json:"glusterfs,omitempty" protobuf:"bytes,4,opt,name=glusterfs"`
// nfs represents an NFS mount on the host. Provisioned by an admin.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs
// +optional
NFS *NFSVolumeSource `json:"nfs,omitempty" protobuf:"bytes,5,opt,name=nfs"`
// rbd represents a Rados Block Device mount on the host that shares a pod's lifetime.
// More info: https://examples.k8s.io/volumes/rbd/README.md
// +optional
RBD *RBDPersistentVolumeSource `json:"rbd,omitempty" protobuf:"bytes,6,opt,name=rbd"`
// iscsi represents an ISCSI Disk resource that is attached to a
// kubelet's host machine and then exposed to the pod. Provisioned by an admin.
// +optional
ISCSI *ISCSIPersistentVolumeSource `json:"iscsi,omitempty" protobuf:"bytes,7,opt,name=iscsi"`
// cinder represents a cinder volume attached and mounted on kubelets host machine.
// More info: https://examples.k8s.io/mysql-cinder-pd/README.md
// +optional
Cinder *CinderPersistentVolumeSource `json:"cinder,omitempty" protobuf:"bytes,8,opt,name=cinder"`
// cephFS represents a Ceph FS mount on the host that shares a pod's lifetime
// +optional
CephFS *CephFSPersistentVolumeSource `json:"cephfs,omitempty" protobuf:"bytes,9,opt,name=cephfs"`
// fc represents a Fibre Channel resource that is attached to a kubelet's host machine and then exposed to the pod.
// +optional
FC *FCVolumeSource `json:"fc,omitempty" protobuf:"bytes,10,opt,name=fc"`
// flocker represents a Flocker volume attached to a kubelet's host machine and exposed to the pod for its usage. This depends on the Flocker control service being running
// +optional
Flocker *FlockerVolumeSource `json:"flocker,omitempty" protobuf:"bytes,11,opt,name=flocker"`
// flexVolume represents a generic volume resource that is
// provisioned/attached using an exec based plugin.
// +optional
FlexVolume *FlexPersistentVolumeSource `json:"flexVolume,omitempty" protobuf:"bytes,12,opt,name=flexVolume"`
// azureFile represents an Azure File Service mount on the host and bind mount to the pod.
// +optional
AzureFile *AzureFilePersistentVolumeSource `json:"azureFile,omitempty" protobuf:"bytes,13,opt,name=azureFile"`
// vsphereVolume represents a vSphere volume attached and mounted on kubelets host machine
// +optional
VsphereVolume *VsphereVirtualDiskVolumeSource `json:"vsphereVolume,omitempty" protobuf:"bytes,14,opt,name=vsphereVolume"`
// quobyte represents a Quobyte mount on the host that shares a pod's lifetime
// +optional
Quobyte *QuobyteVolumeSource `json:"quobyte,omitempty" protobuf:"bytes,15,opt,name=quobyte"`
// azureDisk represents an Azure Data Disk mount on the host and bind mount to the pod.
// +optional
AzureDisk *AzureDiskVolumeSource `json:"azureDisk,omitempty" protobuf:"bytes,16,opt,name=azureDisk"`
// photonPersistentDisk represents a PhotonController persistent disk attached and mounted on kubelets host machine
PhotonPersistentDisk *PhotonPersistentDiskVolumeSource `json:"photonPersistentDisk,omitempty" protobuf:"bytes,17,opt,name=photonPersistentDisk"`
// portworxVolume represents a portworx volume attached and mounted on kubelets host machine
// +optional
PortworxVolume *PortworxVolumeSource `json:"portworxVolume,omitempty" protobuf:"bytes,18,opt,name=portworxVolume"`
// scaleIO represents a ScaleIO persistent volume attached and mounted on Kubernetes nodes.
// +optional
ScaleIO *ScaleIOPersistentVolumeSource `json:"scaleIO,omitempty" protobuf:"bytes,19,opt,name=scaleIO"`
// local represents directly-attached storage with node affinity
// +optional
Local *LocalVolumeSource `json:"local,omitempty" protobuf:"bytes,20,opt,name=local"`
// storageOS represents a StorageOS volume that is attached to the kubelet's host machine and mounted into the pod
// More info: https://examples.k8s.io/volumes/storageos/README.md
// +optional
StorageOS *StorageOSPersistentVolumeSource `json:"storageos,omitempty" protobuf:"bytes,21,opt,name=storageos"`
// csi represents storage that is handled by an external CSI driver (Beta feature).
// +optional
CSI *CSIPersistentVolumeSource `json:"csi,omitempty" protobuf:"bytes,22,opt,name=csi"`
}
const (
// BetaStorageClassAnnotation represents the beta/previous StorageClass annotation.
// It's currently still used and will be held for backwards compatibility
BetaStorageClassAnnotation = "volume.beta.kubernetes.io/storage-class"
// MountOptionAnnotation defines mount option annotation used in PVs
MountOptionAnnotation = "volume.beta.kubernetes.io/mount-options"
)
// +genclient
// +genclient:nonNamespaced
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// PersistentVolume (PV) is a storage resource provisioned by an administrator.
// It is analogous to a node.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes
type PersistentVolume struct {
metav1.TypeMeta `json:",inline"`
// Standard object's metadata.
// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
// +optional
metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
// spec defines a specification of a persistent volume owned by the cluster.
// Provisioned by an administrator.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistent-volumes
// +optional
Spec PersistentVolumeSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"`
// status represents the current information/status for the persistent volume.
// Populated by the system.
// Read-only.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistent-volumes
// +optional
Status PersistentVolumeStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
}
// PersistentVolumeSpec is the specification of a persistent volume.
type PersistentVolumeSpec struct {
// capacity is the description of the persistent volume's resources and capacity.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#capacity
// +optional
Capacity ResourceList `json:"capacity,omitempty" protobuf:"bytes,1,rep,name=capacity,casttype=ResourceList,castkey=ResourceName"`
// persistentVolumeSource is the actual volume backing the persistent volume.
PersistentVolumeSource `json:",inline" protobuf:"bytes,2,opt,name=persistentVolumeSource"`
// accessModes contains all ways the volume can be mounted.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#access-modes
// +optional
AccessModes []PersistentVolumeAccessMode `json:"accessModes,omitempty" protobuf:"bytes,3,rep,name=accessModes,casttype=PersistentVolumeAccessMode"`
// claimRef is part of a bi-directional binding between PersistentVolume and PersistentVolumeClaim.
// Expected to be non-nil when bound.
// claim.VolumeName is the authoritative bind between PV and PVC.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#binding
// +optional
// +structType=granular
ClaimRef *ObjectReference `json:"claimRef,omitempty" protobuf:"bytes,4,opt,name=claimRef"`
// persistentVolumeReclaimPolicy defines what happens to a persistent volume when released from its claim.
// Valid options are Retain (default for manually created PersistentVolumes), Delete (default
// for dynamically provisioned PersistentVolumes), and Recycle (deprecated).
// Recycle must be supported by the volume plugin underlying this PersistentVolume.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#reclaiming
// +optional
PersistentVolumeReclaimPolicy PersistentVolumeReclaimPolicy `json:"persistentVolumeReclaimPolicy,omitempty" protobuf:"bytes,5,opt,name=persistentVolumeReclaimPolicy,casttype=PersistentVolumeReclaimPolicy"`
// storageClassName is the name of StorageClass to which this persistent volume belongs. Empty value
// means that this volume does not belong to any StorageClass.
// +optional
StorageClassName string `json:"storageClassName,omitempty" protobuf:"bytes,6,opt,name=storageClassName"`
// mountOptions is the list of mount options, e.g. ["ro", "soft"]. Not validated - mount will
// simply fail if one is invalid.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes/#mount-options
// +optional
MountOptions []string `json:"mountOptions,omitempty" protobuf:"bytes,7,opt,name=mountOptions"`
// volumeMode defines if a volume is intended to be used with a formatted filesystem
// or to remain in raw block state. Value of Filesystem is implied when not included in spec.
// +optional
VolumeMode *PersistentVolumeMode `json:"volumeMode,omitempty" protobuf:"bytes,8,opt,name=volumeMode,casttype=PersistentVolumeMode"`
// nodeAffinity defines constraints that limit what nodes this volume can be accessed from.
// This field influences the scheduling of pods that use this volume.
// +optional
NodeAffinity *VolumeNodeAffinity `json:"nodeAffinity,omitempty" protobuf:"bytes,9,opt,name=nodeAffinity"`
// Name of VolumeAttributesClass to which this persistent volume belongs. Empty value
// is not allowed. When this field is not set, it indicates that this volume does not belong to any
// VolumeAttributesClass. This field is mutable and can be changed by the CSI driver
// after a volume has been updated successfully to a new class.
// For an unbound PersistentVolume, the volumeAttributesClassName will be matched with unbound
// PersistentVolumeClaims during the binding process.
// This is an alpha field and requires enabling VolumeAttributesClass feature.
// +featureGate=VolumeAttributesClass
// +optional
VolumeAttributesClassName *string `json:"volumeAttributesClassName,omitempty" protobuf:"bytes,10,opt,name=volumeAttributesClassName"`
}
// VolumeNodeAffinity defines constraints that limit what nodes this volume can be accessed from.
type VolumeNodeAffinity struct {
// required specifies hard node constraints that must be met.
Required *NodeSelector `json:"required,omitempty" protobuf:"bytes,1,opt,name=required"`
}
// PersistentVolumeReclaimPolicy describes a policy for end-of-life maintenance of persistent volumes.
// +enum
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.
PersistentVolumeReclaimDelete PersistentVolumeReclaimPolicy = "Delete"
// PersistentVolumeReclaimRetain means the volume will be left in its current phase (Released) for manual reclamation by the administrator.
// The default policy is Retain.
PersistentVolumeReclaimRetain PersistentVolumeReclaimPolicy = "Retain"
)
// PersistentVolumeMode describes how a volume is intended to be consumed, either Block or Filesystem.
// +enum
type PersistentVolumeMode string
const (
// PersistentVolumeBlock means the volume will not be formatted with a filesystem and will remain a raw block device.
PersistentVolumeBlock PersistentVolumeMode = "Block"
// PersistentVolumeFilesystem means the volume will be or is formatted with a filesystem.
PersistentVolumeFilesystem PersistentVolumeMode = "Filesystem"
)
// PersistentVolumeStatus is the current status of a persistent volume.
type PersistentVolumeStatus struct {
// phase indicates if a volume is available, bound to a claim, or released by a claim.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#phase
// +optional
Phase PersistentVolumePhase `json:"phase,omitempty" protobuf:"bytes,1,opt,name=phase,casttype=PersistentVolumePhase"`
// message is a human-readable message indicating details about why the volume is in this state.
// +optional
Message string `json:"message,omitempty" protobuf:"bytes,2,opt,name=message"`
// reason is a brief CamelCase string that describes any failure and is meant
// for machine parsing and tidy display in the CLI.
// +optional
Reason string `json:"reason,omitempty" protobuf:"bytes,3,opt,name=reason"`
// lastPhaseTransitionTime is the time the phase transitioned from one to another
// and automatically resets to current time everytime a volume phase transitions.
// This is a beta field and requires the PersistentVolumeLastPhaseTransitionTime feature to be enabled (enabled by default).
// +featureGate=PersistentVolumeLastPhaseTransitionTime
// +optional
LastPhaseTransitionTime *metav1.Time `json:"lastPhaseTransitionTime,omitempty" protobuf:"bytes,4,opt,name=lastPhaseTransitionTime"`
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// PersistentVolumeList is a list of PersistentVolume items.
type PersistentVolumeList struct {
metav1.TypeMeta `json:",inline"`
// Standard list metadata.
// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
// +optional
metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
// items is a list of persistent volumes.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes
Items []PersistentVolume `json:"items" protobuf:"bytes,2,rep,name=items"`
}
// +genclient
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// PersistentVolumeClaim is a user's request for and claim to a persistent volume
type PersistentVolumeClaim struct {
metav1.TypeMeta `json:",inline"`
// Standard object's metadata.
// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
// +optional
metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
// spec defines the desired characteristics of a volume requested by a pod author.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims
// +optional
Spec PersistentVolumeClaimSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"`
// status represents the current information/status of a persistent volume claim.
// Read-only.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims
// +optional
Status PersistentVolumeClaimStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// PersistentVolumeClaimList is a list of PersistentVolumeClaim items.
type PersistentVolumeClaimList struct {
metav1.TypeMeta `json:",inline"`
// Standard list metadata.
// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
// +optional
metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
// items is a list of persistent volume claims.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims
Items []PersistentVolumeClaim `json:"items" protobuf:"bytes,2,rep,name=items"`
}
// PersistentVolumeClaimSpec describes the common attributes of storage devices
// and allows a Source for provider-specific attributes
type PersistentVolumeClaimSpec struct {
// accessModes contains the desired access modes the volume should have.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#access-modes-1
// +optional
AccessModes []PersistentVolumeAccessMode `json:"accessModes,omitempty" protobuf:"bytes,1,rep,name=accessModes,casttype=PersistentVolumeAccessMode"`
// selector is a label query over volumes to consider for binding.
// +optional
Selector *metav1.LabelSelector `json:"selector,omitempty" protobuf:"bytes,4,opt,name=selector"`
// resources represents the minimum resources the volume should have.
// If RecoverVolumeExpansionFailure feature is enabled users are allowed to specify resource requirements
// that are lower than previous value but must still be higher than capacity recorded in the
// status field of the claim.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#resources
// +optional
Resources VolumeResourceRequirements `json:"resources,omitempty" protobuf:"bytes,2,opt,name=resources"`
// volumeName is the binding reference to the PersistentVolume backing this claim.
// +optional
VolumeName string `json:"volumeName,omitempty" protobuf:"bytes,3,opt,name=volumeName"`
// storageClassName is the name of the StorageClass required by the claim.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1
// +optional
StorageClassName *string `json:"storageClassName,omitempty" protobuf:"bytes,5,opt,name=storageClassName"`
// volumeMode defines what type of volume is required by the claim.
// Value of Filesystem is implied when not included in claim spec.
// +optional
VolumeMode *PersistentVolumeMode `json:"volumeMode,omitempty" protobuf:"bytes,6,opt,name=volumeMode,casttype=PersistentVolumeMode"`
// dataSource field can be used to specify either:
// * An existing VolumeSnapshot object (snapshot.storage.k8s.io/VolumeSnapshot)
// * An existing PVC (PersistentVolumeClaim)
// If the provisioner or an external controller can support the specified data source,
// it will create a new volume based on the contents of the specified data source.
// When the AnyVolumeDataSource feature gate is enabled, dataSource contents will be copied to dataSourceRef,
// and dataSourceRef contents will be copied to dataSource when dataSourceRef.namespace is not specified.
// If the namespace is specified, then dataSourceRef will not be copied to dataSource.
// +optional
DataSource *TypedLocalObjectReference `json:"dataSource,omitempty" protobuf:"bytes,7,opt,name=dataSource"`
// dataSourceRef specifies the object from which to populate the volume with data, if a non-empty
// volume is desired. This may be any object from a non-empty API group (non
// core object) or a PersistentVolumeClaim object.
// When this field is specified, volume binding will only succeed if the type of
// the specified object matches some installed volume populator or dynamic
// provisioner.
// This field will replace the functionality of the dataSource field and as such
// if both fields are non-empty, they must have the same value. For backwards
// compatibility, when namespace isn't specified in dataSourceRef,
// both fields (dataSource and dataSourceRef) will be set to the same
// value automatically if one of them is empty and the other is non-empty.
// When namespace is specified in dataSourceRef,
// dataSource isn't set to the same value and must be empty.
// There are three important differences between dataSource and dataSourceRef:
// * While dataSource only allows two specific types of objects, dataSourceRef
// allows any non-core object, as well as PersistentVolumeClaim objects.
// * While dataSource ignores disallowed values (dropping them), dataSourceRef
// preserves all values, and generates an error if a disallowed value is
// specified.
// * While dataSource only allows local objects, dataSourceRef allows objects
// in any namespaces.
// (Beta) Using this field requires the AnyVolumeDataSource feature gate to be enabled.
// (Alpha) Using the namespace field of dataSourceRef requires the CrossNamespaceVolumeDataSource feature gate to be enabled.
// +optional
DataSourceRef *TypedObjectReference `json:"dataSourceRef,omitempty" protobuf:"bytes,8,opt,name=dataSourceRef"`
// volumeAttributesClassName may be used to set the VolumeAttributesClass used by this claim.
// If specified, the CSI driver will create or update the volume with the attributes defined
// in the corresponding VolumeAttributesClass. This has a different purpose than storageClassName,
// it can be changed after the claim is created. An empty string value means that no VolumeAttributesClass
// will be applied to the claim but it's not allowed to reset this field to empty string once it is set.
// If unspecified and the PersistentVolumeClaim is unbound, the default VolumeAttributesClass
// will be set by the persistentvolume controller if it exists.
// If the resource referred to by volumeAttributesClass does not exist, this PersistentVolumeClaim will be
// set to a Pending state, as reflected by the modifyVolumeStatus field, until such as a resource
// exists.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#volumeattributesclass
// (Alpha) Using this field requires the VolumeAttributesClass feature gate to be enabled.
// +featureGate=VolumeAttributesClass
// +optional
VolumeAttributesClassName *string `json:"volumeAttributesClassName,omitempty" protobuf:"bytes,9,opt,name=volumeAttributesClassName"`
}
type TypedObjectReference struct {
// APIGroup is the group for the resource being referenced.
// If APIGroup is not specified, the specified Kind must be in the core API group.
// For any other third-party types, APIGroup is required.
// +optional
APIGroup *string `json:"apiGroup" protobuf:"bytes,1,opt,name=apiGroup"`
// Kind is the type of resource being referenced
Kind string `json:"kind" protobuf:"bytes,2,opt,name=kind"`
// Name is the name of resource being referenced
Name string `json:"name" protobuf:"bytes,3,opt,name=name"`
// Namespace is the namespace of resource being referenced
// Note that when a namespace is specified, a gateway.networking.k8s.io/ReferenceGrant object is required in the referent namespace to allow that namespace's owner to accept the reference. See the ReferenceGrant documentation for details.
// (Alpha) This field requires the CrossNamespaceVolumeDataSource feature gate to be enabled.
// +featureGate=CrossNamespaceVolumeDataSource
// +optional
Namespace *string `json:"namespace,omitempty" protobuf:"bytes,4,opt,name=namespace"`
}
// PersistentVolumeClaimConditionType is a valid value of PersistentVolumeClaimCondition.Type
type PersistentVolumeClaimConditionType string
const (
// PersistentVolumeClaimResizing - a user trigger resize of pvc has been started
PersistentVolumeClaimResizing PersistentVolumeClaimConditionType = "Resizing"
// PersistentVolumeClaimFileSystemResizePending - controller resize is finished and a file system resize is pending on node
PersistentVolumeClaimFileSystemResizePending PersistentVolumeClaimConditionType = "FileSystemResizePending"
// Applying the target VolumeAttributesClass encountered an error
PersistentVolumeClaimVolumeModifyVolumeError PersistentVolumeClaimConditionType = "ModifyVolumeError"
// Volume is being modified
PersistentVolumeClaimVolumeModifyingVolume PersistentVolumeClaimConditionType = "ModifyingVolume"
)
// +enum
// When a controller receives persistentvolume claim update with ClaimResourceStatus for a resource
// that it does not recognizes, then it should ignore that update and let other controllers
// handle it.
type ClaimResourceStatus string
const (
// State set when resize controller starts resizing the volume in control-plane.
PersistentVolumeClaimControllerResizeInProgress ClaimResourceStatus = "ControllerResizeInProgress"
// State set when resize has failed in resize controller with a terminal error.
// Transient errors such as timeout should not set this status and should leave allocatedResourceStatus
// unmodified, so as resize controller can resume the volume expansion.
PersistentVolumeClaimControllerResizeFailed ClaimResourceStatus = "ControllerResizeFailed"
// State set when resize controller has finished resizing the volume but further resizing of volume
// is needed on the node.
PersistentVolumeClaimNodeResizePending ClaimResourceStatus = "NodeResizePending"
// State set when kubelet starts resizing the volume.
PersistentVolumeClaimNodeResizeInProgress ClaimResourceStatus = "NodeResizeInProgress"
// State set when resizing has failed in kubelet with a terminal error. Transient errors don't set NodeResizeFailed
PersistentVolumeClaimNodeResizeFailed ClaimResourceStatus = "NodeResizeFailed"
)
// +enum
// New statuses can be added in the future. Consumers should check for unknown statuses and fail appropriately
type PersistentVolumeClaimModifyVolumeStatus string
const (
// Pending indicates that the PersistentVolumeClaim cannot be modified due to unmet requirements, such as
// the specified VolumeAttributesClass not existing
PersistentVolumeClaimModifyVolumePending PersistentVolumeClaimModifyVolumeStatus = "Pending"
// InProgress indicates that the volume is being modified
PersistentVolumeClaimModifyVolumeInProgress PersistentVolumeClaimModifyVolumeStatus = "InProgress"
// Infeasible indicates that the request has been rejected as invalid by the CSI driver. To
// resolve the error, a valid VolumeAttributesClass needs to be specified
PersistentVolumeClaimModifyVolumeInfeasible PersistentVolumeClaimModifyVolumeStatus = "Infeasible"
)
// ModifyVolumeStatus represents the status object of ControllerModifyVolume operation
type ModifyVolumeStatus struct {
// targetVolumeAttributesClassName is the name of the VolumeAttributesClass the PVC currently being reconciled
TargetVolumeAttributesClassName string `json:"targetVolumeAttributesClassName,omitempty" protobuf:"bytes,1,opt,name=targetVolumeAttributesClassName"`
// status is the status of the ControllerModifyVolume operation. It can be in any of following states:
// - Pending
// Pending indicates that the PersistentVolumeClaim cannot be modified due to unmet requirements, such as
// the specified VolumeAttributesClass not existing.
// - InProgress
// InProgress indicates that the volume is being modified.
// - Infeasible
// Infeasible indicates that the request has been rejected as invalid by the CSI driver. To
// resolve the error, a valid VolumeAttributesClass needs to be specified.
// Note: New statuses can be added in the future. Consumers should check for unknown statuses and fail appropriately.
Status PersistentVolumeClaimModifyVolumeStatus `json:"status" protobuf:"bytes,2,opt,name=status,casttype=PersistentVolumeClaimModifyVolumeStatus"`
}
// PersistentVolumeClaimCondition contains details about state of pvc
type PersistentVolumeClaimCondition struct {
Type PersistentVolumeClaimConditionType `json:"type" protobuf:"bytes,1,opt,name=type,casttype=PersistentVolumeClaimConditionType"`
Status ConditionStatus `json:"status" protobuf:"bytes,2,opt,name=status,casttype=ConditionStatus"`
// lastProbeTime is the time we probed the condition.
// +optional
LastProbeTime metav1.Time `json:"lastProbeTime,omitempty" protobuf:"bytes,3,opt,name=lastProbeTime"`
// lastTransitionTime is the time the condition transitioned from one status to another.
// +optional
LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty" protobuf:"bytes,4,opt,name=lastTransitionTime"`
// reason is a unique, this should be a short, machine understandable string that gives the reason
// for condition's last transition. If it reports "ResizeStarted" that means the underlying
// persistent volume is being resized.
// +optional
Reason string `json:"reason,omitempty" protobuf:"bytes,5,opt,name=reason"`
// message is the human-readable message indicating details about last transition.
// +optional
Message string `json:"message,omitempty" protobuf:"bytes,6,opt,name=message"`
}
// PersistentVolumeClaimStatus is the current status of a persistent volume claim.
type PersistentVolumeClaimStatus struct {
// phase represents the current phase of PersistentVolumeClaim.
// +optional
Phase PersistentVolumeClaimPhase `json:"phase,omitempty" protobuf:"bytes,1,opt,name=phase,casttype=PersistentVolumeClaimPhase"`
// accessModes contains the actual access modes the volume backing the PVC has.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#access-modes-1
// +optional
AccessModes []PersistentVolumeAccessMode `json:"accessModes,omitempty" protobuf:"bytes,2,rep,name=accessModes,casttype=PersistentVolumeAccessMode"`
// capacity represents the actual resources of the underlying volume.
// +optional
Capacity ResourceList `json:"capacity,omitempty" protobuf:"bytes,3,rep,name=capacity,casttype=ResourceList,castkey=ResourceName"`
// conditions is the current Condition of persistent volume claim. If underlying persistent volume is being
// resized then the Condition will be set to 'ResizeStarted'.
// +optional
// +patchMergeKey=type
// +patchStrategy=merge
Conditions []PersistentVolumeClaimCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,4,rep,name=conditions"`
// allocatedResources tracks the resources allocated to a PVC including its capacity.
// Key names follow standard Kubernetes label syntax. Valid values are either:
// * Un-prefixed keys:
// - storage - the capacity of the volume.
// * Custom resources must use implementation-defined prefixed names such as "example.com/my-custom-resource"
// Apart from above values - keys that are unprefixed or have kubernetes.io prefix are considered
// reserved and hence may not be used.
//
// Capacity reported here may be larger than the actual capacity when a volume expansion operation
// is requested.
// For storage quota, the larger value from allocatedResources and PVC.spec.resources is used.
// If allocatedResources is not set, PVC.spec.resources alone is used for quota calculation.
// If a volume expansion capacity request is lowered, allocatedResources is only
// lowered if there are no expansion operations in progress and if the actual volume capacity
// is equal or lower than the requested capacity.
//
// A controller that receives PVC update with previously unknown resourceName
// should ignore the update for the purpose it was designed. For example - a controller that
// only is responsible for resizing capacity of the volume, should ignore PVC updates that change other valid
// resources associated with PVC.
//
// This is an alpha field and requires enabling RecoverVolumeExpansionFailure feature.
// +featureGate=RecoverVolumeExpansionFailure
// +optional
AllocatedResources ResourceList `json:"allocatedResources,omitempty" protobuf:"bytes,5,rep,name=allocatedResources,casttype=ResourceList,castkey=ResourceName"`
// resizestatus is tombstoned since the field was replaced by allocatedResourceStatus
// ResizeStatus *PersistentVolumeClaimResizeStatus `json:"resizeStatus,omitempty" protobuf:"bytes,6,opt,name=resizeStatus,casttype=PersistentVolumeClaimResizeStatus"`
// allocatedResourceStatuses stores status of resource being resized for the given PVC.
// Key names follow standard Kubernetes label syntax. Valid values are either:
// * Un-prefixed keys:
// - storage - the capacity of the volume.
// * Custom resources must use implementation-defined prefixed names such as "example.com/my-custom-resource"
// Apart from above values - keys that are unprefixed or have kubernetes.io prefix are considered
// reserved and hence may not be used.
//
// ClaimResourceStatus can be in any of following states:
// - ControllerResizeInProgress:
// State set when resize controller starts resizing the volume in control-plane.
// - ControllerResizeFailed:
// State set when resize has failed in resize controller with a terminal error.
// - NodeResizePending:
// State set when resize controller has finished resizing the volume but further resizing of
// volume is needed on the node.
// - NodeResizeInProgress:
// State set when kubelet starts resizing the volume.
// - NodeResizeFailed:
// State set when resizing has failed in kubelet with a terminal error. Transient errors don't set
// NodeResizeFailed.
// For example: if expanding a PVC for more capacity - this field can be one of the following states:
// - pvc.status.allocatedResourceStatus['storage'] = "ControllerResizeInProgress"
// - pvc.status.allocatedResourceStatus['storage'] = "ControllerResizeFailed"
// - pvc.status.allocatedResourceStatus['storage'] = "NodeResizePending"
// - pvc.status.allocatedResourceStatus['storage'] = "NodeResizeInProgress"
// - pvc.status.allocatedResourceStatus['storage'] = "NodeResizeFailed"
// When this field is not set, it means that no resize operation is in progress for the given PVC.
//
// A controller that receives PVC update with previously unknown resourceName or ClaimResourceStatus
// should ignore the update for the purpose it was designed. For example - a controller that
// only is responsible for resizing capacity of the volume, should ignore PVC updates that change other valid
// resources associated with PVC.
//
// This is an alpha field and requires enabling RecoverVolumeExpansionFailure feature.
// +featureGate=RecoverVolumeExpansionFailure
// +mapType=granular
// +optional
AllocatedResourceStatuses map[ResourceName]ClaimResourceStatus `json:"allocatedResourceStatuses,omitempty" protobuf:"bytes,7,rep,name=allocatedResourceStatuses"`
// currentVolumeAttributesClassName is the current name of the VolumeAttributesClass the PVC is using.
// When unset, there is no VolumeAttributeClass applied to this PersistentVolumeClaim
// This is an alpha field and requires enabling VolumeAttributesClass feature.
// +featureGate=VolumeAttributesClass
// +optional
CurrentVolumeAttributesClassName *string `json:"currentVolumeAttributesClassName,omitempty" protobuf:"bytes,8,opt,name=currentVolumeAttributesClassName"`
// ModifyVolumeStatus represents the status object of ControllerModifyVolume operation.
// When this is unset, there is no ModifyVolume operation being attempted.
// This is an alpha field and requires enabling VolumeAttributesClass feature.
// +featureGate=VolumeAttributesClass
// +optional
ModifyVolumeStatus *ModifyVolumeStatus `json:"modifyVolumeStatus,omitempty" protobuf:"bytes,9,opt,name=modifyVolumeStatus"`
}
// +enum
type PersistentVolumeAccessMode string
const (
// can be mounted in read/write mode to exactly 1 host
ReadWriteOnce PersistentVolumeAccessMode = "ReadWriteOnce"
// can be mounted in read-only mode to many hosts
ReadOnlyMany PersistentVolumeAccessMode = "ReadOnlyMany"
// can be mounted in read/write mode to many hosts
ReadWriteMany PersistentVolumeAccessMode = "ReadWriteMany"
// can be mounted in read/write mode to exactly 1 pod
// cannot be used in combination with other access modes
ReadWriteOncePod PersistentVolumeAccessMode = "ReadWriteOncePod"
)
// +enum
type PersistentVolumePhase string
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"
)
// +enum
type PersistentVolumeClaimPhase string
const (
// used for PersistentVolumeClaims that are not yet bound
ClaimPending PersistentVolumeClaimPhase = "Pending"
// used for PersistentVolumeClaims that are bound
ClaimBound PersistentVolumeClaimPhase = "Bound"
// used for PersistentVolumeClaims that lost their underlying
// PersistentVolume. The claim was bound to a PersistentVolume and this
// volume does not exist any longer and all data on it was lost.
ClaimLost PersistentVolumeClaimPhase = "Lost"
)
// +enum
type HostPathType string
const (
// For backwards compatible, leave it empty if unset
HostPathUnset HostPathType = ""
// If nothing exists at the given path, an empty directory will be created there
// as needed with file mode 0755, having the same group and ownership with Kubelet.
HostPathDirectoryOrCreate HostPathType = "DirectoryOrCreate"
// A directory must exist at the given path
HostPathDirectory HostPathType = "Directory"
// If nothing exists at the given path, an empty file will be created there
// as needed with file mode 0644, having the same group and ownership with Kubelet.
HostPathFileOrCreate HostPathType = "FileOrCreate"
// A file must exist at the given path
HostPathFile HostPathType = "File"
// A UNIX socket must exist at the given path
HostPathSocket HostPathType = "Socket"
// A character device must exist at the given path
HostPathCharDev HostPathType = "CharDevice"
// A block device must exist at the given path
HostPathBlockDev HostPathType = "BlockDevice"
)
// Represents a host path mapped into a pod.
// Host path volumes do not support ownership management or SELinux relabeling.
type HostPathVolumeSource struct {
// path of the directory on the host.
// If the path is a symlink, it will follow the link to the real path.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath
Path string `json:"path" protobuf:"bytes,1,opt,name=path"`
// type for HostPath Volume
// Defaults to ""
// More info: https://kubernetes.io/docs/concepts/storage/volumes#hostpath
// +optional
Type *HostPathType `json:"type,omitempty" protobuf:"bytes,2,opt,name=type"`
}
// Represents an empty directory for a pod.
// Empty directory volumes support ownership management and SELinux relabeling.
type EmptyDirVolumeSource struct {
// medium represents what type of storage medium should back this directory.
// The default is "" which means to use the node's default medium.
// Must be an empty string (default) or Memory.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir
// +optional
Medium StorageMedium `json:"medium,omitempty" protobuf:"bytes,1,opt,name=medium,casttype=StorageMedium"`
// sizeLimit is the total amount of local storage required for this EmptyDir volume.
// The size limit is also applicable for memory medium.
// The maximum usage on memory medium EmptyDir would be the minimum value between
// the SizeLimit specified here and the sum of memory limits of all containers in a pod.
// The default is nil which means that the limit is undefined.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#emptydir
// +optional
SizeLimit *resource.Quantity `json:"sizeLimit,omitempty" protobuf:"bytes,2,opt,name=sizeLimit"`
}
// Represents a Glusterfs mount that lasts the lifetime of a pod.
// Glusterfs volumes do not support ownership management or SELinux relabeling.
type GlusterfsVolumeSource struct {
// endpoints is the endpoint name that details Glusterfs topology.
// More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod
EndpointsName string `json:"endpoints" protobuf:"bytes,1,opt,name=endpoints"`
// path is the Glusterfs volume path.
// More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod
Path string `json:"path" protobuf:"bytes,2,opt,name=path"`
// readOnly here will force the Glusterfs volume to be mounted with read-only permissions.
// Defaults to false.
// More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod
// +optional
ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,3,opt,name=readOnly"`
}
// Represents a Glusterfs mount that lasts the lifetime of a pod.
// Glusterfs volumes do not support ownership management or SELinux relabeling.
type GlusterfsPersistentVolumeSource struct {
// endpoints is the endpoint name that details Glusterfs topology.
// More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod
EndpointsName string `json:"endpoints" protobuf:"bytes,1,opt,name=endpoints"`
// path is the Glusterfs volume path.
// More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod
Path string `json:"path" protobuf:"bytes,2,opt,name=path"`
// readOnly here will force the Glusterfs volume to be mounted with read-only permissions.
// Defaults to false.
// More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod
// +optional
ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,3,opt,name=readOnly"`
// endpointsNamespace is the namespace that contains Glusterfs endpoint.
// If this field is empty, the EndpointNamespace defaults to the same namespace as the bound PVC.
// More info: https://examples.k8s.io/volumes/glusterfs/README.md#create-a-pod
// +optional
EndpointsNamespace *string `json:"endpointsNamespace,omitempty" protobuf:"bytes,4,opt,name=endpointsNamespace"`
}
// Represents a Rados Block Device mount that lasts the lifetime of a pod.
// RBD volumes support ownership management and SELinux relabeling.
type RBDVolumeSource struct {
// monitors is a collection of Ceph monitors.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
CephMonitors []string `json:"monitors" protobuf:"bytes,1,rep,name=monitors"`
// image is the rados image name.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
RBDImage string `json:"image" protobuf:"bytes,2,opt,name=image"`
// fsType is the filesystem type of the volume that you want to mount.
// Tip: Ensure that the filesystem type is supported by the host operating system.
// Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#rbd
// TODO: how do we prevent errors in the filesystem from compromising the machine
// +optional
FSType string `json:"fsType,omitempty" protobuf:"bytes,3,opt,name=fsType"`
// pool is the rados pool name.
// Default is rbd.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
// +optional
RBDPool string `json:"pool,omitempty" protobuf:"bytes,4,opt,name=pool"`
// user is the rados user name.
// Default is admin.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
// +optional
RadosUser string `json:"user,omitempty" protobuf:"bytes,5,opt,name=user"`
// keyring is the path to key ring for RBDUser.
// Default is /etc/ceph/keyring.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
// +optional
Keyring string `json:"keyring,omitempty" protobuf:"bytes,6,opt,name=keyring"`
// secretRef is name of the authentication secret for RBDUser. If provided
// overrides keyring.
// Default is nil.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
// +optional
SecretRef *LocalObjectReference `json:"secretRef,omitempty" protobuf:"bytes,7,opt,name=secretRef"`
// readOnly here will force the ReadOnly setting in VolumeMounts.
// Defaults to false.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
// +optional
ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,8,opt,name=readOnly"`
}
// Represents a Rados Block Device mount that lasts the lifetime of a pod.
// RBD volumes support ownership management and SELinux relabeling.
type RBDPersistentVolumeSource struct {
// monitors is a collection of Ceph monitors.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
CephMonitors []string `json:"monitors" protobuf:"bytes,1,rep,name=monitors"`
// image is the rados image name.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
RBDImage string `json:"image" protobuf:"bytes,2,opt,name=image"`
// fsType is the filesystem type of the volume that you want to mount.
// Tip: Ensure that the filesystem type is supported by the host operating system.
// Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#rbd
// TODO: how do we prevent errors in the filesystem from compromising the machine
// +optional
FSType string `json:"fsType,omitempty" protobuf:"bytes,3,opt,name=fsType"`
// pool is the rados pool name.
// Default is rbd.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
// +optional
RBDPool string `json:"pool,omitempty" protobuf:"bytes,4,opt,name=pool"`
// user is the rados user name.
// Default is admin.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
// +optional
RadosUser string `json:"user,omitempty" protobuf:"bytes,5,opt,name=user"`
// keyring is the path to key ring for RBDUser.
// Default is /etc/ceph/keyring.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
// +optional
Keyring string `json:"keyring,omitempty" protobuf:"bytes,6,opt,name=keyring"`
// secretRef is name of the authentication secret for RBDUser. If provided
// overrides keyring.
// Default is nil.
// More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
// +optional
SecretRef *SecretReference `json:"secretRef,omitempty" protobuf:"bytes,7,opt,name=secretRef"`
// readOnly here will force the ReadOnly setting in VolumeMounts.