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#!/bin/bash
#Test the split-brain resolution CLI commands.
. $(dirname $0)/../../include.rc
. $(dirname $0)/../../volume.rc
function get_replicate_subvol_number {
local filename=$1
#get_backend_paths
if [ -f $B0/${V0}1/$filename ]
then
echo 0
elif [ -f $B0/${V0}3/$filename ]
then echo 1
else
echo -1
fi
}
cleanup;
AREQUAL_PATH=$(dirname $0)/../../utils
CFLAGS=""
test "`uname -s`" != "Linux" && {
CFLAGS="$CFLAGS -I$(dirname $0)/../../../contrib/argp-standalone ";
CFLAGS="$CFLAGS -L$(dirname $0)/../../../contrib/argp-standalone -largp ";
CFLAGS="$CFLAGS -lintl";
}
build_tester $AREQUAL_PATH/arequal-checksum.c $CFLAGS
TEST glusterd
TEST pidof glusterd
TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{1,2,3,4}
TEST $CLI volume set $V0 cluster.self-heal-daemon off
TEST $CLI volume start $V0
TEST glusterfs --volfile-id=/$V0 --volfile-server=$H0 $M0 --attribute-timeout=0 --entry-timeout=0
cd $M0
for i in {1..10}
do
echo "Initial content">>file$i
done
replica_0_files_list=(`ls $B0/${V0}1|grep -v '^\.'`)
replica_1_files_list=(`ls $B0/${V0}3|grep -v '^\.'`)
############ Create data split-brain in the files. ###########################
TEST kill_brick $V0 $H0 $B0/${V0}1
for file in ${!replica_0_files_list[*]}
do
echo "B1 is down">>${replica_0_files_list[$file]}
done
TEST kill_brick $V0 $H0 $B0/${V0}3
for file in ${!replica_1_files_list[*]}
do
echo "B3 is down">>${replica_1_files_list[$file]}
done
SMALLER_FILE_SIZE=$(stat -c %s file1)
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 2
TEST kill_brick $V0 $H0 $B0/${V0}2
for file in ${!replica_0_files_list[*]}
do
echo "B2 is down">>${replica_0_files_list[$file]}
echo "appending more content to make it the bigger file">>${replica_0_files_list[$file]}
done
TEST kill_brick $V0 $H0 $B0/${V0}4
for file in ${!replica_1_files_list[*]}
do
echo "B4 is down">>${replica_1_files_list[$file]}
echo "appending more content to make it the bigger file">>${replica_1_files_list[$file]}
done
BIGGER_FILE_SIZE=$(stat -c %s file1)
TEST $CLI volume start $V0 force
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "1" afr_child_up_status $V0 1
EXPECT_WITHIN $PROCESS_UP_TIMEOUT "1" afr_child_up_status $V0 3
############### Acessing the files should now give EIO. ###############################
TEST ! cat file1
TEST ! cat file2
TEST ! cat file3
TEST ! cat file4
TEST ! cat file5
TEST ! cat file6
TEST ! cat file7
TEST ! cat file8
TEST ! cat file9
TEST ! cat file10
###################
TEST $CLI 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
EXPECT_WITHIN $CHILD_UP_TIMEOUT "1" afr_child_up_status_in_shd $V0 2
EXPECT_WITHIN $CHILD_UP_TIMEOUT "1" afr_child_up_status_in_shd $V0 3
################ Heal file1 using the bigger-file option ##############
$CLI volume heal $V0 split-brain bigger-file /file1
EXPECT "0" echo $?
EXPECT $BIGGER_FILE_SIZE stat -c %s file1
################ Heal file2 using the bigger-file option and its gfid ##############
subvolume=$(get_replicate_subvol_number file2)
if [ $subvolume == 0 ]
then
GFID=$(gf_get_gfid_xattr $B0/${V0}1/file2)
elif [ $subvolume == 1 ]
then
GFID=$(gf_get_gfid_xattr $B0/${V0}3/file2)
fi
GFIDSTR="gfid:$(gf_gfid_xattr_to_str $GFID)"
$CLI volume heal $V0 split-brain bigger-file $GFIDSTR
EXPECT "0" echo $?
################ Heal file3 using the source-brick option ##############
################ Use the brick having smaller file size as source #######
subvolume=$(get_replicate_subvol_number file3)
if [ $subvolume == 0 ]
then
$CLI volume heal $V0 split-brain source-brick $H0:$B0/${V0}2 /file3
elif [ $subvolume == 1]
then
$CLI volume heal $V0 split-brain source-brick $H0:$B0/${V0}4 /file3
fi
EXPECT "0" echo $?
EXPECT $SMALLER_FILE_SIZE stat -c %s file3
################ Heal file4 using the source-brick option and it's gfid ##############
################ Use the brick having smaller file size as source #######
subvolume=$(get_replicate_subvol_number file4)
if [ $subvolume == 0 ]
then
GFID=$(gf_get_gfid_xattr $B0/${V0}1/file4)
GFIDSTR="gfid:$(gf_gfid_xattr_to_str $GFID)"
$CLI volume heal $V0 split-brain source-brick $H0:$B0/${V0}2 $GFIDSTR
elif [ $subvolume == 1]
then
GFID=$(gf_get_gfid_xattr $B0/${V0}3/file4)
GFIDSTR="gfid:$(gf_gfid_xattr_to_str $GFID)"
$CLI volume heal $V0 split-brain source-brick $H0:$B0/${V0}4 $GFIDSTR
fi
EXPECT "0" echo $?
EXPECT $SMALLER_FILE_SIZE stat -c %s file4
################ Heal remaining SB'ed files of replica_0 using B1 as source ##############
$CLI volume heal $V0 split-brain source-brick $H0:$B0/${V0}1
EXPECT "0" echo $?
################ Heal remaining SB'ed files of replica_1 using B3 as source ##############
$CLI volume heal $V0 split-brain source-brick $H0:$B0/${V0}3
EXPECT "0" echo $?
############### Reading the files should now succeed. ###############################
TEST cat file1
TEST cat file2
TEST cat file3
TEST cat file4
TEST cat file5
TEST cat file6
TEST cat file7
TEST cat file8
TEST cat file9
TEST cat file10
################ File contents on the bricks must be same. ################################
TEST diff <(arequal-checksum -p $B0/$V01 -i .glusterfs) <(arequal-checksum -p $B0/$V02 -i .glusterfs)
TEST diff <(arequal-checksum -p $B0/$V03 -i .glusterfs) <(arequal-checksum -p $B0/$V04 -i .glusterfs)
############### Trying to heal files not in SB should fail. ###############################
$CLI volume heal $V0 split-brain bigger-file /file1
EXPECT "1" echo $?
$CLI volume heal $V0 split-brain source-brick $H0:$B0/${V0}4 /file3
EXPECT "1" echo $?
cd -
TEST rm $AREQUAL_PATH/arequal-checksum
cleanup
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