rbd: mirror_uuids -> mirror_uuid in remote mirror peer listing

... in "rbd mirror image status" and "rbd mirror pool status --verbose"
formatted outputs.  In unformatted outputs this value is shown in place
of a name in case a site name isn't available.

Signed-off-by: Ilya Dryomov <[email protected]>

Author: idryomov

src/tools/rbd/action/MirrorImage.cc

@@ -412,7 +412,7 @@ int execute_status(const po::variables_map &vm,
         auto name_it = peer_mirror_uuids_to_name.find(status.mirror_uuid);
         formatter->dump_string("site_name",
           (name_it != peer_mirror_uuids_to_name.end() ? name_it->second : ""));
-        formatter->dump_string("mirror_uuids", status.mirror_uuid);
+        formatter->dump_string("mirror_uuid", status.mirror_uuid);
 
         formatter->dump_string("state", utils::mirror_image_site_status_state(
           status));

src/tools/rbd/action/MirrorPool.cc

@@ -680,7 +680,7 @@ class StatusImageRequest : public ImageRequestBase {
           m_formatter->dump_string("site_name",
             (name_it != m_peer_mirror_uuids_to_name.end() ?
                name_it->second : ""));
-          m_formatter->dump_string("mirror_uuids", status.mirror_uuid);
+          m_formatter->dump_string("mirror_uuid", status.mirror_uuid);
 
           m_formatter->dump_string(
             "state", utils::mirror_image_site_status_state(status));