Bump dependencies to Kubernetes 1.20

vendor/k8s.io/api/storage/v1/generated.proto

@@ -17,7 +17,7 @@ limitations under the License.
 
 // This file was autogenerated by go-to-protobuf. Do not edit it manually!
 
-syntax = 'proto2';
+syntax = "proto2";
 
 package k8s.io.api.storage.v1;
 
@@ -146,6 +146,43 @@ message CSIDriverSpec {
   // that enable the CSIVolumeFSGroupPolicy feature gate.
   // +optional
   optional string fsGroupPolicy = 5;
+
+  // TokenRequests indicates the CSI driver needs pods' service account
+  // tokens it is mounting volume for to do necessary authentication. Kubelet
+  // will pass the tokens in VolumeContext in the CSI NodePublishVolume calls.
+  // The CSI driver should parse and validate the following VolumeContext:
+  // "csi.storage.k8s.io/serviceAccount.tokens": {
+  //   "<audience>": {
+  //     "token": <token>,
+  //     "expirationTimestamp": <expiration timestamp in RFC3339>,
+  //   },
+  //   ...
+  // }
+  //
+  // Note: Audience in each TokenRequest should be different and at
+  // most one token is empty string. To receive a new token after expiry,
+  // RequiresRepublish can be used to trigger NodePublishVolume periodically.
+  //
+  // This is an alpha feature and only available when the
+  // CSIServiceAccountToken feature is enabled.
+  //
+  // +optional
+  // +listType=atomic
+  repeated TokenRequest tokenRequests = 6;
+
+  // RequiresRepublish indicates the CSI driver wants `NodePublishVolume`
+  // being periodically called to reflect any possible change in the mounted
+  // volume. This field defaults to false.
+  //
+  // Note: After a successful initial NodePublishVolume call, subsequent calls
+  // to NodePublishVolume should only update the contents of the volume. New
+  // mount points will not be seen by a running container.
+  //
+  // This is an alpha feature and only available when the
+  // CSIServiceAccountToken feature is enabled.
+  //
+  // +optional
+  optional bool requiresRepublish = 7;
 }
 
 // CSINode holds information about all CSI drivers installed on a node.
@@ -281,6 +318,19 @@ message StorageClassList {
   repeated StorageClass items = 2;
 }
 
+// TokenRequest contains parameters of a service account token.
+message TokenRequest {
+  // Audience is the intended audience of the token in "TokenRequestSpec".
+  // It will default to the audiences of kube apiserver.
+  optional string audience = 1;
+
+  // ExpirationSeconds is the duration of validity of the token in "TokenRequestSpec".
+  // It has the same default value of "ExpirationSeconds" in "TokenRequestSpec".
+  //
+  // +optional
+  optional int64 expirationSeconds = 2;
+}
+
 // VolumeAttachment captures the intent to attach or detach the specified volume
 // to/from the specified node.
 //