encryptionkeyrotation: Add volume capabilities

This patch adds the option to pass the CSI
volume capabilities with the
EncryptionKeyRotateRequest.

Signed-off-by: Niraj Yadav <niryadav@redhat.com>

encryptionkeyrotation/README.md

@@ -77,11 +77,16 @@ message EncryptionKeyRotateRequest {
   // This field is OPTIONAL
   string encryption_key = 3 [(csi.v1.csi_secret) = true];
 
+  // Volume capability describing how the CO intends to use this volume.
+  // This allows SP to determine if volume is being used as a block
+  // device or mounted file system. This is OPTIONAL.
+  csi.v1.VolumeCapability volume_capability = 4;
+
   // Plugin specific parameters passed in as opaque key-value pairs.
-  map<string, string> parameters = 4;
+  map<string, string> parameters = 5;
 
   // Secrets required by the plugin to complete the request.
-  map<string, string> secrets = 5 [(csi.v1.csi_secret) = true];
+  map<string, string> secrets = 6 [(csi.v1.csi_secret) = true];
 }
 ```
 

encryptionkeyrotation/encryptionkeyrotation.proto

@@ -32,11 +32,16 @@ message EncryptionKeyRotateRequest {
   // This field is OPTIONAL
   string encryption_key = 3 [(csi.v1.csi_secret) = true];
 
+  // Volume capability describing how the CO intends to use this volume.
+  // This allows SP to determine if volume is being used as a block
+  // device or mounted file system. This is OPTIONAL.
+  csi.v1.VolumeCapability volume_capability = 4;
+
   // Plugin specific parameters passed in as opaque key-value pairs.
-  map<string, string> parameters = 4;
+  map<string, string> parameters = 5;
 
   // Secrets required by the plugin to complete the request.
-  map<string, string> secrets = 5 [(csi.v1.csi_secret) = true];
+  map<string, string> secrets = 6 [(csi.v1.csi_secret) = true];
 }
 // EncryptionKeyRotateResponse holds the information about the result of the
 // EncryptionKeyRotateRequest call.