From 26118f66151043dbf5ac9abb236b46b0baaeeee3 Mon Sep 17 00:00:00 2001
From: Jason Dillaman <dillaman@redhat.com>
Date: Mon, 8 Feb 2021 10:13:35 -0500
Subject: [PATCH] qa/workunits/rbd: show snapshot deltas during stress test
 failure

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
(cherry picked from commit f079116e87161b55acaa08c55bf8b8e79cee8670)
---
 qa/workunits/rbd/rbd_mirror_stress.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/qa/workunits/rbd/rbd_mirror_stress.sh b/qa/workunits/rbd/rbd_mirror_stress.sh
index 5125d0ed6e7dd..a17ad75e1b58e 100755
--- a/qa/workunits/rbd/rbd_mirror_stress.sh
+++ b/qa/workunits/rbd/rbd_mirror_stress.sh
@@ -31,6 +31,7 @@ compare_image_snaps()
     local pool=$1
     local image=$2
     local snap_name=$3
+    local ret=0
 
     local rmt_export=${TEMPDIR}/${CLUSTER2}-${pool}-${image}.export
     local loc_export=${TEMPDIR}/${CLUSTER1}-${pool}-${image}.export
@@ -38,8 +39,13 @@ compare_image_snaps()
     rm -f ${rmt_export} ${loc_export}
     rbd --cluster ${CLUSTER2} -p ${pool} export ${image}@${snap_name} ${rmt_export}
     rbd --cluster ${CLUSTER1} -p ${pool} export ${image}@${snap_name} ${loc_export}
-    cmp ${rmt_export} ${loc_export}
+    if ! cmp ${rmt_export} ${loc_export}
+    then
+        show_diff ${rmt_export} ${loc_export}
+        ret=1
+    fi
     rm -f ${rmt_export} ${loc_export}
+    return ${ret}
 }
 
 wait_for_pool_images()
-- 
2.39.5