cluster/afr: perform list-xattr during lookup

Detect and heal mismatching user extended attributes during lookup.
'Forward' port of http://review.gluster.org/#/c/7444/

Change-Id: Id03c9746f083ffd3014711d0b3a2e5a71a45eed4
BUG: 1134691
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-on: http://review.gluster.org/8558
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Pranith Kumar Karampuri <pkarampu@redhat.com>

2 files changed, 51 insertions, 1 deletions

diff --git a/tests/bugs/bug-1130892.t b/tests/bugs/bug-1130892.t
index 438e795d571..206778f2938 100644
--- a/tests/bugs/bug-1130892.t
+++ b/tests/bugs/bug-1130892.t
@@ -49,7 +49,7 @@ TEST stat $M0/one
 # Check pending xattrs
 EXPECT "00000000" afr_get_specific_changelog_xattr $B0/${V0}-0/one trusted.afr.$V0-client-1 data
 EXPECT_NOT "00000000" afr_get_specific_changelog_xattr $B0/${V0}-0/one trusted.afr.$V0-client-1 entry
-EXPECT_NOT "00000000" afr_get_specific_changelog_xattr $B0/${V0}-0/one trusted.afr.$V0-client-1 metadata
+EXPECT "00000000" afr_get_specific_changelog_xattr $B0/${V0}-0/one trusted.afr.$V0-client-1 metadata
 
 TEST gluster volume set $V0 self-heal-daemon on
 EXPECT_WITHIN $PROCESS_UP_TIMEOUT "Y" glustershd_up_status
diff --git a/tests/bugs/bug-1134691-afr-lookup-metadata-heal.t b/tests/bugs/bug-1134691-afr-lookup-metadata-heal.t
new file mode 100644
index 00000000000..1fb1732a33f
--- /dev/null
+++ b/tests/bugs/bug-1134691-afr-lookup-metadata-heal.t
@@ -0,0 +1,50 @@
+#!/bin/bash
+#### Test iatt and user xattr heal from lookup code path ####
+
+. $(dirname $0)/../include.rc
+. $(dirname $0)/../volume.rc
+cleanup;
+
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume create $V0 replica 3 $H0:$B0/brick{0,1,2}
+TEST $CLI volume start $V0
+TEST $CLI volume set $V0 cluster.self-heal-daemon off
+TEST glusterfs --volfile-id=/$V0 --volfile-server=$H0 $M0 --attribute-timeout=0 --entry-timeout=0
+
+cd $M0
+TEST touch file
+TEST setfattr -n user.attribute1 -v "value" $B0/brick0/file
+TEST kill_brick $V0 $H0 $B0/brick2
+TEST chmod +x file
+iatt=$(stat -c "%g:%u:%A" file)
+
+TEST $CLI volume start $V0 force
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT "1" afr_child_up_status $V0 2
+
+#Trigger metadataheal
+TEST stat file
+
+#iattrs must be matching
+iatt1=$(stat -c "%g:%u:%A" $B0/brick0/file)
+iatt2=$(stat -c "%g:%u:%A" $B0/brick1/file)
+iatt3=$(stat -c "%g:%u:%A" $B0/brick2/file)
+EXPECT $iatt echo $iatt1
+EXPECT $iatt echo $iatt2
+EXPECT $iatt echo $iatt3
+
+#xattrs must be matching
+xatt1_cnt=$(getfattr -d $B0/brick0/file|wc|awk '{print $1}')
+xatt2_cnt=$(getfattr -d $B0/brick1/file|wc|awk '{print $1}')
+xatt3_cnt=$(getfattr -d $B0/brick2/file|wc|awk '{print $1}')
+EXPECT "$xatt1_cnt" echo $xatt2_cnt
+EXPECT "$xatt1_cnt" echo $xatt3_cnt
+
+#changelogs must be zero
+xattr1=$(get_hex_xattr trusted.afr.$V0-client-2 $B0/brick0/file)
+xattr2=$(get_hex_xattr trusted.afr.$V0-client-2 $B0/brick1/file)
+EXPECT "000000000000000000000000" echo $xattr1
+EXPECT "000000000000000000000000" echo $xattr2
+
+cd -
+cleanup;