cluster/afr: sync xattrs removed on source to sink(s)

xattrs are first removed from sink followed by setting
source xattrs.

Change-Id: I181cb5b785b667bbfc6e40787a2183a8f45de06b
BUG: 906646
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Reviewed-on: http://review.gluster.org/4656
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>

1 files changed, 93 insertions, 0 deletions

diff --git a/tests/bugs/bug-906646.t b/tests/bugs/bug-906646.t
new file mode 100644
index 000000000..0e6a3bcb6
--- /dev/null
+++ b/tests/bugs/bug-906646.t
@@ -0,0 +1,93 @@
+#!/bin/bash
+
+. $(dirname $0)/../include.rc
+. $(dirname $0)/../volume.rc
+
+cleanup;
+
+REPLICA=2
+
+TEST glusterd
+TEST pidof glusterd
+
+TEST $CLI volume create $V0 replica $REPLICA $H0:$B0/${V0}-00 $H0:$B0/${V0}-01 $H0:$B0/${V0}-10 $H0:$B0/${V0}-11
+TEST $CLI volume start $V0
+
+TEST $CLI volume set $V0 cluster.self-heal-daemon off
+TEST $CLI volume set $V0 cluster.background-self-heal-count 0
+
+## Mount FUSE with caching disabled
+TEST glusterfs --entry-timeout=0 --attribute-timeout=0 -s $H0 --volfile-id $V0 $M0;
+
+function xattr_query_check()
+{
+    local path=$1
+    local xa_name=$2
+
+    local ret=`getfattr -m . -n $xa_name $path 2>&1 | grep -o "$xa_name: No such attribute" | wc -l`
+    echo $ret
+}
+
+function set_xattr()
+{
+    local path=$1
+    local xa_name=$2
+    local xa_val=$3
+
+    setfattr -n $xa_name -v $xa_val $path
+    echo $?
+}
+
+function remove_xattr()
+{
+    local path=$1
+    local xa_name=$2
+
+    setfattr -x $xa_name $path
+    echo $?
+}
+
+f=f00f
+pth=$M0/$f
+
+touch $pth
+
+# fetch backend paths
+backend_paths=`get_backend_paths $pth`
+
+# convert it into and array
+backend_paths_array=($backend_paths)
+
+# setxattr xattr for this file
+EXPECT 0 set_xattr $pth "trusted.name" "test"
+
+# confirm the set on backend
+EXPECT 0 xattr_query_check ${backend_paths_array[0]} "trusted.name"
+EXPECT 0 xattr_query_check ${backend_paths_array[1]} "trusted.name"
+
+brick_path=`echo ${backend_paths_array[0]} | sed -n 's/\(.*\)\/'$f'/\1/p'`
+brick_id=`$CLI volume info $V0 | grep "Brick[[:digit:]]" | grep -n $brick_path  | cut -f1 -d:`
+
+# Kill a brick process
+TEST kill_brick $V0 $H0 $brick_path
+
+# remove the xattr from the mount point
+EXPECT 0 remove_xattr $pth "trusted.name"
+
+# we killed ${backend_paths[0]} - so expect the xattr to be there
+# on the backend there
+EXPECT 0 xattr_query_check ${backend_paths_array[0]} "trusted.name"
+EXPECT 1 xattr_query_check ${backend_paths_array[1]} "trusted.name"
+
+# restart the brick process
+TEST $CLI volume start $V0 force
+
+EXPECT_WITHIN 20 "1" afr_child_up_status $V0 `expr $brick_id - 1`
+
+stat $pth
+
+# check backends - xattr should not be present anywhere
+EXPECT 1 xattr_query_check ${backend_paths_array[0]} "trusted.name"
+EXPECT 1 xattr_query_check ${backend_paths_array[1]} "trusted.name"
+
+cleanup;