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272 lines
11 KiB
Protocol Buffer
272 lines
11 KiB
Protocol Buffer
/*
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Copyright The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// This file was autogenerated by go-to-protobuf. Do not edit it manually!
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syntax = "proto2";
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package k8s.io.api.storage.v1alpha1;
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import "k8s.io/api/core/v1/generated.proto";
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import "k8s.io/apimachinery/pkg/api/resource/generated.proto";
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import "k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto";
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import "k8s.io/apimachinery/pkg/runtime/generated.proto";
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import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";
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// Package-wide variables from generator "generated".
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option go_package = "k8s.io/api/storage/v1alpha1";
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// CSIStorageCapacity stores the result of one CSI GetCapacity call.
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// For a given StorageClass, this describes the available capacity in a
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// particular topology segment. This can be used when considering where to
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// instantiate new PersistentVolumes.
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//
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// For example this can express things like:
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// - StorageClass "standard" has "1234 GiB" available in "topology.kubernetes.io/zone=us-east1"
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// - StorageClass "localssd" has "10 GiB" available in "kubernetes.io/hostname=knode-abc123"
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//
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// The following three cases all imply that no capacity is available for
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// a certain combination:
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// - no object exists with suitable topology and storage class name
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// - such an object exists, but the capacity is unset
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// - such an object exists, but the capacity is zero
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//
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// The producer of these objects can decide which approach is more suitable.
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//
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// They are consumed by the kube-scheduler when a CSI driver opts into
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// capacity-aware scheduling with CSIDriverSpec.StorageCapacity. The scheduler
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// compares the MaximumVolumeSize against the requested size of pending volumes
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// to filter out unsuitable nodes. If MaximumVolumeSize is unset, it falls back
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// to a comparison against the less precise Capacity. If that is also unset,
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// the scheduler assumes that capacity is insufficient and tries some other
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// node.
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message CSIStorageCapacity {
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// Standard object's metadata. The name has no particular meaning. It must be
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// be a DNS subdomain (dots allowed, 253 characters). To ensure that
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// there are no conflicts with other CSI drivers on the cluster, the recommendation
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// is to use csisc-<uuid>, a generated name, or a reverse-domain name which ends
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// with the unique CSI driver name.
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//
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// Objects are namespaced.
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//
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
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// nodeTopology defines which nodes have access to the storage
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// for which capacity was reported. If not set, the storage is
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// not accessible from any node in the cluster. If empty, the
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// storage is accessible from all nodes. This field is
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// immutable.
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//
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector nodeTopology = 2;
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// storageClassName represents the name of the StorageClass that the reported capacity applies to.
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// It must meet the same requirements as the name of a StorageClass
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// object (non-empty, DNS subdomain). If that object no longer exists,
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// the CSIStorageCapacity object is obsolete and should be removed by its
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// creator.
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// This field is immutable.
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optional string storageClassName = 3;
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// capacity is the value reported by the CSI driver in its GetCapacityResponse
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// for a GetCapacityRequest with topology and parameters that match the
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// previous fields.
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//
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// The semantic is currently (CSI spec 1.2) defined as:
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// The available capacity, in bytes, of the storage that can be used
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// to provision volumes. If not set, that information is currently
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// unavailable.
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//
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// +optional
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optional k8s.io.apimachinery.pkg.api.resource.Quantity capacity = 4;
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// maximumVolumeSize is the value reported by the CSI driver in its GetCapacityResponse
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// for a GetCapacityRequest with topology and parameters that match the
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// previous fields.
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//
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// This is defined since CSI spec 1.4.0 as the largest size
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// that may be used in a
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// CreateVolumeRequest.capacity_range.required_bytes field to
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// create a volume with the same parameters as those in
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// GetCapacityRequest. The corresponding value in the Kubernetes
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// API is ResourceRequirements.Requests in a volume claim.
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//
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// +optional
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optional k8s.io.apimachinery.pkg.api.resource.Quantity maximumVolumeSize = 5;
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}
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// CSIStorageCapacityList is a collection of CSIStorageCapacity objects.
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message CSIStorageCapacityList {
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// Standard list metadata
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
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// items is the list of CSIStorageCapacity objects.
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// +listType=map
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// +listMapKey=name
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repeated CSIStorageCapacity items = 2;
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}
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// VolumeAttachment captures the intent to attach or detach the specified volume
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// to/from the specified node.
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//
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// VolumeAttachment objects are non-namespaced.
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message VolumeAttachment {
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// Standard object metadata.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
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// spec represents specification of the desired attach/detach volume behavior.
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// Populated by the Kubernetes system.
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optional VolumeAttachmentSpec spec = 2;
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// status represents status of the VolumeAttachment request.
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// Populated by the entity completing the attach or detach
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// operation, i.e. the external-attacher.
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// +optional
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optional VolumeAttachmentStatus status = 3;
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}
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// VolumeAttachmentList is a collection of VolumeAttachment objects.
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message VolumeAttachmentList {
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// Standard list metadata
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
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// items is the list of VolumeAttachments
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repeated VolumeAttachment items = 2;
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}
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// VolumeAttachmentSource represents a volume that should be attached.
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// Right now only PersistenVolumes can be attached via external attacher,
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// in future we may allow also inline volumes in pods.
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// Exactly one member can be set.
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message VolumeAttachmentSource {
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// persistentVolumeName represents the name of the persistent volume to attach.
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// +optional
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optional string persistentVolumeName = 1;
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// inlineVolumeSpec contains all the information necessary to attach
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// a persistent volume defined by a pod's inline VolumeSource. This field
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// is populated only for the CSIMigration feature. It contains
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// translated fields from a pod's inline VolumeSource to a
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// PersistentVolumeSpec. This field is alpha-level and is only
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// honored by servers that enabled the CSIMigration feature.
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// +optional
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optional k8s.io.api.core.v1.PersistentVolumeSpec inlineVolumeSpec = 2;
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}
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// VolumeAttachmentSpec is the specification of a VolumeAttachment request.
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message VolumeAttachmentSpec {
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// attacher indicates the name of the volume driver that MUST handle this
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// request. This is the name returned by GetPluginName().
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optional string attacher = 1;
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// source represents the volume that should be attached.
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optional VolumeAttachmentSource source = 2;
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// nodeName represents the node that the volume should be attached to.
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optional string nodeName = 3;
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}
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// VolumeAttachmentStatus is the status of a VolumeAttachment request.
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message VolumeAttachmentStatus {
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// attached indicates the volume is successfully attached.
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// This field must only be set by the entity completing the attach
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// operation, i.e. the external-attacher.
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optional bool attached = 1;
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// attachmentMetadata is populated with any
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// information returned by the attach operation, upon successful attach, that must be passed
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// into subsequent WaitForAttach or Mount calls.
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// This field must only be set by the entity completing the attach
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// operation, i.e. the external-attacher.
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// +optional
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map<string, string> attachmentMetadata = 2;
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// attachError represents the last error encountered during attach operation, if any.
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// This field must only be set by the entity completing the attach
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// operation, i.e. the external-attacher.
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// +optional
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optional VolumeError attachError = 3;
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// detachError represents the last error encountered during detach operation, if any.
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// This field must only be set by the entity completing the detach
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// operation, i.e. the external-attacher.
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// +optional
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optional VolumeError detachError = 4;
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}
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// VolumeAttributesClass represents a specification of mutable volume attributes
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// defined by the CSI driver. The class can be specified during dynamic provisioning
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// of PersistentVolumeClaims, and changed in the PersistentVolumeClaim spec after provisioning.
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message VolumeAttributesClass {
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// Standard object's metadata.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
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// Name of the CSI driver
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// This field is immutable.
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optional string driverName = 2;
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// parameters hold volume attributes defined by the CSI driver. These values
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// are opaque to the Kubernetes and are passed directly to the CSI driver.
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// The underlying storage provider supports changing these attributes on an
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// existing volume, however the parameters field itself is immutable. To
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// invoke a volume update, a new VolumeAttributesClass should be created with
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// new parameters, and the PersistentVolumeClaim should be updated to reference
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// the new VolumeAttributesClass.
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//
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// This field is required and must contain at least one key/value pair.
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// The keys cannot be empty, and the maximum number of parameters is 512, with
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// a cumulative max size of 256K. If the CSI driver rejects invalid parameters,
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// the target PersistentVolumeClaim will be set to an "Infeasible" state in the
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// modifyVolumeStatus field.
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map<string, string> parameters = 3;
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}
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// VolumeAttributesClassList is a collection of VolumeAttributesClass objects.
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message VolumeAttributesClassList {
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// Standard list metadata
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
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// items is the list of VolumeAttributesClass objects.
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repeated VolumeAttributesClass items = 2;
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}
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// VolumeError captures an error encountered during a volume operation.
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message VolumeError {
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// time represents the time the error was encountered.
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.Time time = 1;
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// message represents the error encountered during Attach or Detach operation.
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// This string maybe logged, so it should not contain sensitive
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// information.
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// +optional
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optional string message = 2;
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}
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