/
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"
// TopologyKeyAny is the service topology key that matches any node
TopologyKeyAny string = "*"
)
// Volume represents a named volume in a pod that may be accessed by any container in the pod.
type Volume struct {
// Volume's name.
// 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"`
// 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"`
}
// 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"`
// 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 {
// A 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"`
// 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
ClaimRef *ObjectReference `json:"claimRef,omitempty" protobuf:"bytes,4,opt,name=claimRef"`
// 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"`
// 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"`
// A 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"`
}
// 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.
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.
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"`
// 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"`
}
// +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"`
// 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"`
// 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"`
// 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.
// More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#resources
// +optional
Resources ResourceRequirements `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"`
// 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"`
// This field can be used to specify either:
// * An existing VolumeSnapshot object (snapshot.storage.k8s.io/VolumeSnapshot - Beta)
// * An existing PVC (PersistentVolumeClaim)
// * An existing custom resource/object that implements data population (Alpha)
// In order to use VolumeSnapshot object types, the appropriate feature gate
// must be enabled (VolumeSnapshotDataSource or AnyVolumeDataSource)
// 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.
// If the specified data source is not supported, the volume will
// not be created and the failure will be reported as an event.
// In the future, we plan to support more data source types and the behavior
// of the provisioner may change.
// +optional
DataSource *TypedLocalObjectReference `json:"dataSource,omitempty" protobuf:"bytes,7,opt,name=dataSource"`
}
// 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"
)
// PersistentVolumeClaimCondition contails 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"`
// Last time we probed the condition.
// +optional
LastProbeTime metav1.Time `json:"lastProbeTime,omitempty" protobuf:"bytes,3,opt,name=lastProbeTime"`
// Last time the condition transitioned from one status to another.
// +optional
LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty" protobuf:"bytes,4,opt,name=lastTransitionTime"`
// 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"`
// 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"`
// Represents the actual resources of the underlying volume.
// +optional
Capacity ResourceList `json:"capacity,omitempty" protobuf:"bytes,3,rep,name=capacity,casttype=ResourceList,castkey=ResourceName"`
// 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"`
}
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"
)
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"
)
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"
)
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 {
// 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"`
// 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: http://kubernetes.io/docs/user-guide/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 {
// EndpointsName 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 {
// EndpointsName 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 {
// 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"`
// 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"`
// 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"`
// 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"`
// 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 {
// 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"`
// 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"`
// 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"`
// 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"`
// 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.
// 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 cinder volume resource in Openstack.
// A Cinder volume must exist before mounting to a container.
// The volume must also be in the same region as the kubelet.
// Cinder volumes support ownership management and SELinux relabeling.
type CinderVolumeSource struct {
// volume id used to identify the volume in cinder.
// More info: https://examples.k8s.io/mysql-cinder-pd/README.md
VolumeID string `json:"volumeID" protobuf:"bytes,1,opt,name=volumeID"`
// Filesystem type to mount.
// Must be a filesystem type supported by the host operating system.
// Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
// More info: https://examples.k8s.io/mysql-cinder-pd/README.md
// +optional
FSType string `json:"fsType,omitempty" protobuf:"bytes,2,opt,name=fsType"`
// Optional: Defaults to false (read/write). ReadOnly here will force
// the ReadOnly setting in VolumeMounts.
// More info: https://examples.k8s.io/mysql-cinder-pd/README.md
// +optional
ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,3,opt,name=readOnly"`
// Optional: points to a secret object containing parameters used to connect
// to OpenStack.
// +optional
SecretRef *LocalObjectReference `json:"secretRef,omitempty" protobuf:"bytes,4,opt,name=secretRef"`
}
// Represents a cinder volume resource in Openstack.
// A Cinder volume must exist before mounting to a container.
// The volume must also be in the same region as the kubelet.
// Cinder volumes support ownership management and SELinux relabeling.
type CinderPersistentVolumeSource struct {
// volume id used to identify the volume in cinder.
// More info: https://examples.k8s.io/mysql-cinder-pd/README.md
VolumeID string `json:"volumeID" protobuf:"bytes,1,opt,name=volumeID"`
// Filesystem type to mount.
// Must be a filesystem type supported by the host operating system.
// Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
// More info: https://examples.k8s.io/mysql-cinder-pd/README.md
// +optional
FSType string `json:"fsType,omitempty" protobuf:"bytes,2,opt,name=fsType"`
// Optional: Defaults to false (read/write). ReadOnly here will force
// the ReadOnly setting in VolumeMounts.
// More info: https://examples.k8s.io/mysql-cinder-pd/README.md
// +optional
ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,3,opt,name=readOnly"`
// Optional: points to a secret object containing parameters used to connect
// to OpenStack.
// +optional
SecretRef *SecretReference `json:"secretRef,omitempty" protobuf:"bytes,4,opt,name=secretRef"`
}
// Represents a Ceph Filesystem mount that lasts the lifetime of a pod
// Cephfs volumes do not support ownership management or SELinux relabeling.
type CephFSVolumeSource struct {
// Required: Monitors is a collection of Ceph monitors
// More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it
Monitors []string `json:"monitors" protobuf:"bytes,1,rep,name=monitors"`
// Optional: Used as the mounted root, rather than the full Ceph tree, default is /
// +optional
Path string `json:"path,omitempty" protobuf:"bytes,2,opt,name=path"`
// Optional: User is the rados user name, default is admin
// More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it
// +optional
User string `json:"user,omitempty" protobuf:"bytes,3,opt,name=user"`
// Optional: SecretFile is the path to key ring for User, default is /etc/ceph/user.secret
// More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it
// +optional
SecretFile string `json:"secretFile,omitempty" protobuf:"bytes,4,opt,name=secretFile"`
// Optional: SecretRef is reference to the authentication secret for User, default is empty.
// More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it
// +optional
SecretRef *LocalObjectReference `json:"secretRef,omitempty" protobuf:"bytes,5,opt,name=secretRef"`
// Optional: Defaults to false (read/write). ReadOnly here will force
// the ReadOnly setting in VolumeMounts.
// More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it
// +optional
ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,6,opt,name=readOnly"`
}
// SecretReference represents a Secret Reference. It has enough information to retrieve secret
// in any namespace
type SecretReference struct {
// Name is unique within a namespace to reference a secret resource.
// +optional
Name string `json:"name,omitempty" protobuf:"bytes,1,opt,name=name"`
// Namespace defines the space within which the secret name must be unique.
// +optional
Namespace string `json:"namespace,omitempty" protobuf:"bytes,2,opt,name=namespace"`
}
// Represents a Ceph Filesystem mount that lasts the lifetime of a pod
// Cephfs volumes do not support ownership management or SELinux relabeling.
type CephFSPersistentVolumeSource struct {
// Required: Monitors is a collection of Ceph monitors
// More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it
Monitors []string `json:"monitors" protobuf:"bytes,1,rep,name=monitors"`
// Optional: Used as the mounted root, rather than the full Ceph tree, default is /
// +optional
Path string `json:"path,omitempty" protobuf:"bytes,2,opt,name=path"`
// Optional: User is the rados user name, default is admin
// More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it
// +optional
User string `json:"user,omitempty" protobuf:"bytes,3,opt,name=user"`
// Optional: SecretFile is the path to key ring for User, default is /etc/ceph/user.secret
// More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it
// +optional
SecretFile string `json:"secretFile,omitempty" protobuf:"bytes,4,opt,name=secretFile"`
// Optional: SecretRef is reference to the authentication secret for User, default is empty.
// More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it
// +optional
SecretRef *SecretReference `json:"secretRef,omitempty" protobuf:"bytes,5,opt,name=secretRef"`
// Optional: Defaults to false (read/write). ReadOnly here will force
// the ReadOnly setting in VolumeMounts.
// More info: https://examples.k8s.io/volumes/cephfs/README.md#how-to-use-it
// +optional
ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,6,opt,name=readOnly"`
}
// Represents a Flocker volume mounted by the Flocker agent.
// One and only one of datasetName and datasetUUID should be set.
// Flocker volumes do not support ownership management or SELinux relabeling.
type FlockerVolumeSource struct {
// Name of the dataset stored as metadata -> name on the dataset for Flocker
// should be considered as deprecated
// +optional
DatasetName string `json:"datasetName,omitempty" protobuf:"bytes,1,opt,name=datasetName"`
// UUID of the dataset. This is unique identifier of a Flocker dataset
// +optional
DatasetUUID string `json:"datasetUUID,omitempty" protobuf:"bytes,2,opt,name=datasetUUID"`
}
// StorageMedium defines ways that storage can be allocated to a volume.
type StorageMedium string
const (
StorageMediumDefault StorageMedium = "" // use whatever the default is for the node, assume anything we don't explicitly handle is this
StorageMediumMemory StorageMedium = "Memory" // use memory (e.g. tmpfs on linux)
StorageMediumHugePages StorageMedium = "HugePages" // use hugepages
StorageMediumHugePagesPrefix StorageMedium = "HugePages-" // prefix for full medium notation HugePages-<size>
)
// Protocol defines network protocols supported for things like container ports.
type Protocol string
const (
// ProtocolTCP is the TCP protocol.
ProtocolTCP Protocol = "TCP"
// ProtocolUDP is the UDP protocol.
ProtocolUDP Protocol = "UDP"
// ProtocolSCTP is the SCTP protocol.
ProtocolSCTP Protocol = "SCTP"
)
// Represents a Persistent Disk resource in Google Compute Engine.
//
// A GCE PD must exist before mounting to a container. The disk must
// also be in the same GCE project and zone as the kubelet. A GCE PD
// can only be mounted as read/write once or read-only many times. GCE
// PDs support ownership management and SELinux relabeling.
type GCEPersistentDiskVolumeSource struct {
// Unique name of the PD resource in GCE. Used to identify the disk in GCE.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk
PDName string `json:"pdName" protobuf:"bytes,1,opt,name=pdName"`
// 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#gcepersistentdisk
// TODO: how do we prevent errors in the filesystem from compromising the machine
// +optional
FSType string `json:"fsType,omitempty" protobuf:"bytes,2,opt,name=fsType"`
// The partition in the volume that you want to mount.
// If omitted, the default is to mount by volume name.
// Examples: For volume /dev/sda1, you specify the partition as "1".
// Similarly, the volume partition for /dev/sda is "0" (or you can leave the property empty).
// More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk
// +optional
Partition int32 `json:"partition,omitempty" protobuf:"varint,3,opt,name=partition"`
// ReadOnly here will force the ReadOnly setting in VolumeMounts.
// Defaults to false.
// More info: https://kubernetes.io/docs/concepts/storage/volumes#gcepersistentdisk
// +optional
ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,4,opt,name=readOnly"`
}
// Represents a Quobyte mount that lasts the lifetime of a pod.
// Quobyte volumes do not support ownership management or SELinux relabeling.
type QuobyteVolumeSource struct {
// Registry represents a single or multiple Quobyte Registry services
// specified as a string as host:port pair (multiple entries are separated with commas)
// which acts as the central registry for volumes
Registry string `json:"registry" protobuf:"bytes,1,opt,name=registry"`
// Volume is a string that references an already created Quobyte volume by name.
Volume string `json:"volume" protobuf:"bytes,2,opt,name=volume"`
// ReadOnly here will force the Quobyte volume to be mounted with read-only permissions.
// Defaults to false.
// +optional
ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,3,opt,name=readOnly"`
// User to map volume access to
// Defaults to serivceaccount user
// +optional
User string `json:"user,omitempty" protobuf:"bytes,4,opt,name=user"`
// Group to map volume access to
// Default is no group
// +optional
Group string `json:"group,omitempty" protobuf:"bytes,5,opt,name=group"`
// Tenant owning the given Quobyte volume in the Backend
// Used with dynamically provisioned Quobyte volumes, value is set by the plugin
// +optional
Tenant string `json:"tenant,omitempty" protobuf:"bytes,6,opt,name=tenant"`
}
// FlexPersistentVolumeSource represents a generic persistent volume resource that is
// provisioned/attached using an exec based plugin.
type FlexPersistentVolumeSource struct {
// Driver is the name of the driver to use for this volume.
Driver string `json:"driver" protobuf:"bytes,1,opt,name=driver"`
// Filesystem type to mount.
// Must be a filesystem type supported by the host operating system.
// Ex. "ext4", "xfs", "ntfs". The default filesystem depends on FlexVolume script.
// +optional
FSType string `json:"fsType,omitempty" protobuf:"bytes,2,opt,name=fsType"`
// Optional: SecretRef is reference to the secret object containing
// sensitive information to pass to the plugin scripts. This may be
// empty if no secret object is specified. If the secret object
// contains more than one secret, all secrets are passed to the plugin
// scripts.
// +optional
SecretRef *SecretReference `json:"secretRef,omitempty" protobuf:"bytes,3,opt,name=secretRef"`
// Optional: Defaults to false (read/write). ReadOnly here will force
// the ReadOnly setting in VolumeMounts.
// +optional
ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,4,opt,name=readOnly"`
// Optional: Extra command options if any.
// +optional
Options map[string]string `json:"options,omitempty" protobuf:"bytes,5,rep,name=options"`
}
// FlexVolume represents a generic volume resource that is
// provisioned/attached using an exec based plugin.