feat: external volumes

Add new volume type for managing external volume mounts - e.g. NFS or Virtiofs volumes

Signed-off-by: Mateusz Urbanek <[email protected]>

Author: shanduur

api/resource/definitions/enums/enums.proto

@@ -707,6 +707,21 @@ enum BlockFilesystemType {
   FILESYSTEM_TYPE_SWAP = 5;
 }
 
+// BlockMountType describes volume type.
+enum BlockMountType {
+  MOUNT_TYPE_VIRTIOFS = 0;
+  MOUNT_TYPE_NFS = 1;
+}
+
+// MountType describes volume type.
+enum BlockNFSVersionType {
+  NFS_VERSION_TYPE4_2 = 0;
+  NFS_VERSION_TYPE4_1 = 1;
+  NFS_VERSION_TYPE4 = 2;
+  NFS_VERSION_TYPE3 = 3;
+  NFS_VERSION_TYPE2 = 4;
+}
+
 // BlockVolumePhase describes volume phase.
 enum BlockVolumePhase {
   VOLUME_PHASE_WAITING = 0;
@@ -727,6 +742,7 @@ enum BlockVolumeType {
   VOLUME_TYPE_DIRECTORY = 3;
   VOLUME_TYPE_SYMLINK = 4;
   VOLUME_TYPE_OVERLAY = 5;
+  VOLUME_TYPE_EXTERNAL = 6;
 }
 
 // CriImageCacheStatus describes image cache status type.