tests: Add more tests for granular entry self-heal feature

Change-Id: I6f14e413c538e392c8ee5bf4bf9f283e8ac792b7
BUG: 1332566
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/14542
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Ravishankar N <ravishankar@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>

3 files changed, 176 insertions, 0 deletions

diff --git a/tests/basic/afr/granular-esh/granular-esh.t b/tests/basic/afr/granular-esh/granular-esh.t
new file mode 100644
index 00000000000..9aa4505a3c2
--- /dev/null
+++ b/tests/basic/afr/granular-esh/granular-esh.t
@@ -0,0 +1,169 @@
+#!/bin/bash
+
+. $(dirname $0)/../../../include.rc
+. $(dirname $0)/../../../volume.rc
+. $(dirname $0)/../../../afr.rc
+
+cleanup
+
+TESTS_EXPECTED_IN_LOOP=12
+
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{0,1}
+TEST $CLI volume start $V0
+TEST $CLI volume set $V0 cluster.data-self-heal off
+TEST $CLI volume set $V0 cluster.metadata-self-heal off
+TEST $CLI volume set $V0 cluster.entry-self-heal off
+TEST $CLI volume set $V0 self-heal-daemon off
+TEST $CLI volume set $V0 granular-entry-heal on
+
+TEST glusterfs --volfile-id=$V0 --volfile-server=$H0 $M0
+
+# Create files under root
+for i in {1..4}
+do
+        echo $i > $M0/f$i
+done
+
+# Create a directory and few files under it
+TEST mkdir $M0/dir
+gfid_dir=$(get_gfid_string $M0/dir)
+
+for i in {1..3}
+do
+        echo $i > $M0/dir/f$i
+done
+
+# Kill brick-0.
+TEST kill_brick $V0 $H0 $B0/${V0}0
+
+# Create more files
+for i in {5..6}
+do
+        echo $i > $M0/f$i
+done
+
+# Test that the index associated with '/' is created on B1.
+TEST stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID
+
+# Check for successful creation of granular entry indices
+for i in {5..6}
+do
+        TEST_IN_LOOP stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/f$i
+done
+
+# Delete an existing file
+TEST unlink $M0/f1
+
+# Rename an existing file
+TEST mv $M0/f2 $M0/f2_renamed
+
+# Create a hard link on f3
+TEST ln $M0/f3 $M0/link
+
+# Create a symlink on f4
+TEST ln -s $M0/f4 $M0/symlink
+
+# Check for successful creation of granular entry indices
+for i in {1..2}
+do
+        TEST_IN_LOOP stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/f$i
+done
+
+TEST stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/f2_renamed
+TEST stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/link
+TEST stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/symlink
+
+# Create a file and also delete it. This is to test deletion of stale indices during heal.
+TEST touch $M0/file_stale
+TEST unlink $M0/file_stale
+TEST stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/file_stale
+
+# Create a directory and create its subdirs and files while a brick is down
+TEST mkdir -p $M0/newdir/newsubdir
+
+for i in {1..3}
+do
+        echo $i > $M0/newdir/f$i
+        echo $i > $M0/newdir/newsubdir/f$i
+done
+
+TEST stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/newdir
+gfid_newdir=$(get_gfid_string $M0/newdir)
+gfid_newsubdir=$(get_gfid_string $M0/newdir/newsubdir)
+TEST stat $B0/${V0}1/.glusterfs/indices/entry-changes/$gfid_newdir/newsubdir
+# Check if 'data' segment of the changelog is set for the newly created directories 'newdir' and 'newsubdir'
+EXPECT "00000001" afr_get_specific_changelog_xattr $B0/${V0}1/newdir trusted.afr.$V0-client-0 data
+EXPECT "00000001" afr_get_specific_changelog_xattr $B0/${V0}1/newdir/newsubdir trusted.afr.$V0-client-0 data
+
+# Test that removal of an entire sub-tree in the hierarchy works.
+TEST rm -rf $M0/dir
+
+TEST stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/dir
+TEST stat $B0/${V0}1/.glusterfs/indices/entry-changes/$gfid_dir/f1
+TEST stat $B0/${V0}1/.glusterfs/indices/entry-changes/$gfid_dir/f2
+TEST stat $B0/${V0}1/.glusterfs/indices/entry-changes/$gfid_dir/f3
+
+TEST $CLI volume start $V0 force
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT "1" afr_child_up_status $V0 0
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT "1" afr_child_up_status $V0 1
+
+TEST gluster volume set $V0 cluster.self-heal-daemon on
+EXPECT_WITHIN $PROCESS_UP_TIMEOUT "Y" glustershd_up_status
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "1" afr_child_up_status_in_shd $V0 0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "1" afr_child_up_status_in_shd $V0 1
+TEST $CLI volume heal $V0
+
+# Wait for heal to complete
+EXPECT_WITHIN $HEAL_TIMEOUT "^0$" get_pending_heal_count $V0
+
+# Test if data was healed
+for i in {5..6}
+do
+        TEST_IN_LOOP diff $B0/${V0}0/f$i $B0/${V0}1/f$i
+done
+
+for i in {1..3}
+do
+        TEST_IN_LOOP diff $B0/${V0}0/newdir/f$i $B0/${V0}1/newdir/f$i
+        TEST_IN_LOOP diff $B0/${V0}0/newdir/newsubdir/f$i $B0/${V0}1/newdir/newsubdir/f$i
+done
+
+# Verify that all the deleted names have been removed on the sink brick too by self-heal.
+TEST ! stat $B0/${V0}0/f1
+TEST ! stat $B0/${V0}0/f2
+TEST   stat $B0/${V0}0/f2_renamed
+TEST   stat $B0/${V0}0/symlink
+EXPECT "3" get_hard_link_count $B0/${V0}0/f3
+EXPECT "f4" readlink $B0/${V0}0/symlink
+TEST ! stat $B0/${V0}0/dir
+
+# Now verify that there are no name indices left after self-heal
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/f1
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/f2
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/f2_renamed
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/link
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/symlink
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/dir
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/newdir
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID/file_stale
+
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changesi/$gfid_dir/f1
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changesi/$gfid_dir/f2
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changesi/$gfid_dir/f3
+
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$gfid_newdir/f1
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$gfid_newdir/f2
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$gfid_newdir/f3
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$gfid_newsubdir/f1
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$gfid_newsubdir/f2
+TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$gfid_newsubdir/f3
+
+# To be uncommented once index xl is made to purge the parent gfid dir
+# TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$ROOT_GFID
+# TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$gfid_newdir
+# TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$newsubdir
+# TEST ! stat $B0/${V0}1/.glusterfs/indices/entry-changes/$dir
+
+cleanup
diff --git a/tests/include.rc b/tests/include.rc
index 13a5188a34e..e122a0ed627 100644
--- a/tests/include.rc
+++ b/tests/include.rc
@@ -10,6 +10,8 @@ GSV0=${GSV0:=slave};	      # slave volume name to use in geo-rep tests
 B0=${B0:=/d/backends};        # top level of brick directories
 WORKDIRS="$B0 $M0 $M1 $M2 $N0 $N1" 
 
+ROOT_GFID="00000000-0000-0000-0000-000000000001"
+
 META_VOL=${META_VOL:=gluster_shared_storage}; # shared gluster storage volume used by snapshot scheduler, nfs ganesha and geo-rep.
 META_MNT=${META_MNT:=/var/run/gluster/shared_storage}; # Mount point of shared gluster volume.
 
diff --git a/tests/volume.rc b/tests/volume.rc
index f46f8a19e62..6ff25cc79a3 100644
--- a/tests/volume.rc
+++ b/tests/volume.rc
@@ -677,3 +677,8 @@ function get_gfid_string {
 function file_all_zeroes {
         < $1 tr -d '\0' | read -n 1 || echo 1
 }
+
+function get_hard_link_count {
+        local path=$1;
+        stat -c %h $path
+}