Fix api-ref for backup export and import

Add missing paramater description for backup export and import function.

Change-Id: I6408138ac738717c766752f5358025dbe62d7319

api-ref/source/v2/ext-backups.inc

@@ -357,6 +357,7 @@ Response Parameters
 
 .. rest_parameters:: parameters.yaml
 
+   - backup-record: backup_record
    - backup_service: backup_service
    - backup_url: backup_url
 
@@ -393,6 +394,9 @@ Request
 
    - project_id: project_id_path
    - backup_id: backup_id
+   - backup-record: backup_record
+   - backup_service: backup_service
+   - backup_url: backup_url
 
 
 Request Example

api-ref/source/v2/parameters.yaml

@@ -299,6 +299,13 @@ backup_gigabytes:
   in: body
   required: true
   type: integer
+backup_record:
+  description: |
+    An object recording volume backup metadata, including ``backup_service``
+    and ``backup_url``.
+  in: body
+  required: true
+  type: object
 backup_service:
   description: |
     The service used to perform the backup.
@@ -307,7 +314,7 @@ backup_service:
   type: string
 backup_url:
   description: |
-    The backup encoded metadata.
+    An identifier string to locate the backup.
   in: body
   required: true
   type: string

api-ref/source/v3/ext-backups.inc

@@ -449,6 +449,7 @@ Response Parameters
 
 .. rest_parameters:: parameters.yaml
 
+   - backup-record: backup_record
    - backup_service: backup_service
    - backup_url: backup_url
 
@@ -487,6 +488,9 @@ Request
 
    - project_id: project_id_path
    - backup_id: backup_id
+   - backup-record: backup_record
+   - backup_service: backup_service
+   - backup_url: backup_url
 
 
 Request Example

api-ref/source/v3/parameters.yaml

@@ -547,6 +547,13 @@ backup_id_1:
   required: false
   type: string
   min_version: 3.47
+backup_record:
+  description: |
+    An object recording volume backup metadata, including ``backup_service``
+    and ``backup_url``.
+  in: body
+  required: true
+  type: object
 backup_service:
   description: |
     The service used to perform the backup.
@@ -555,7 +562,7 @@ backup_service:
   type: string
 backup_url:
   description: |
-    The backup encoded metadata.
+    An identifier string to locate the backup.
   in: body
   required: true
   type: string