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#!/bin/bash
. $(dirname $0)/../../include.rc
. $(dirname $0)/../../fileio.rc
cleanup;
TESTS_EXPECTED_IN_LOOP=153
function __init()
{
TEST glusterd
TEST pidof glusterd
TEST $CLI volume info;
TEST $CLI volume create $V0 $H0:$B0/brick
EXPECT 'Created' volinfo_field $V0 'Status';
TEST $CLI volume start $V0
TEST glusterfs --volfile-id=$V0 --volfile-server=$H0 $M0
TEST $CLI volume quota $V0 enable
}
#CASE-1
#checking pgfid under same directory
function links_in_same_directory()
{
# create a file file1
TEST touch $M0/file1
# create 50 hardlinks for file1
for i in `seq 2 50`; do
TEST_IN_LOOP ln $M0/file1 $M0/file$i
done
# store the pgfid of file1 in PGFID_FILE1 [should be 50 now (0x000000032)]
PGFID_FILE1=`getfattr -m "trusted.pgfid.*" -de hex $B0/brick/file1 2>&1 | grep "trusted.pgfid" | gawk -F '=' '{print $2}'`
# compare the pgfid(link value ) of each hard links are equal or not
for i in `seq 2 50`; do
TEMP=`getfattr -m "trusted.pgfid.*" -de hex $B0/brick/file$i 2>&1 | grep "trusted.pgfid" | gawk -F '=' '{print $2}'`
TEST_IN_LOOP [ $PGFID_FILE1 = $TEMP ]
done
# check if no of links value is 50 or not
TEST [ $PGFID_FILE1 = "0x00000032" ]
# unlink file 2 to 50
for i in `seq 2 50`; do
TEST_IN_LOOP unlink $M0/file$i;
done
# now check if pgfid value is 1 or not
PGFID_FILE1=`getfattr -m "trusted.pgfid.*" -de hex $B0/brick/file1 2>&1 | grep "trusted.pgfid" | gawk -F '=' '{print $2}'`;
TEST [ $PGFID_FILE1 = "0x00000001" ]
TEST rm -f $M0/*
}
##checking pgfid under diff directories
function links_across_directories()
{
TEST mkdir $M0/dir1 $M0/dir2;
# create a file in dir1
TEST touch $M0/dir1/file1;
# create hard link for file1 in dir2
TEST ln $M0/dir1/file1 $M0/dir2/file2;
#first check is to find whether there are two pgfids or not
LINES=`getfattr -m "trusted.pgfid.*" -de hex $B0/brick/dir1/file1 2>&1 | grep "trusted.pgfid" | wc -l`
TEST [ $LINES = 2 ]
for i in $(seq 1 2); do
HL=`getfattr -m "trusted.pgfid.*" -de hex $B0/brick/dir$i/file$i 2>&1 | grep "trusted.pgfid" | cut -d$'\n' -f$i | cut -d'=' -f2`
TEST_IN_LOOP [ $HL = "0x00000001" ]
done
#now unlink file2 and check the pgfid of file1
#1. no. of pgfid should be one
#2. no. of hard link should be one
TEST unlink $M0/dir2/file2
LINES=`getfattr -m "trusted.pgfid.*" -de hex $B0/brick/dir1/file1 2>&1 | grep "trusted.pgfid" | wc -l`
TEST [ $LINES == 1 ]
#next to check is to whether they contain hard link value of one or not
HL=`getfattr -m "trusted.pgfid.*" -de hex $B0/brick/dir1/file1 2>&1 | grep "trusted.pgfid" | cut -d'=' -f2`
TEST [ $HL = "0x00000001" ]
#rename file under same directory
TEST touch $M0/r_file1
PGFID_rfile1=`getfattr -m "trusted.pgfid.*" -de hex $B0/brick/r_file1 2>&1 | grep "trusted.pgfid"`
#cross check whether hard link count is one
HL=`getfattr -m "trusted.pgfid.*" -de hex $B0/brick/r_file1 2>&1 | grep "trusted.pgfid" | cut -d'=' -f2`
TEST [ $HL = "0x00000001" ]
#now rename the file to r_file1
TEST mv $M0/r_file1 $M0/r_file2
#now check the pgfid hard link count is still one or not
HL=`getfattr -m "trusted.pgfid.*" -de hex $B0/brick/r_file2 2>&1 | grep "trusted.pgfid" | cut -d'=' -f2`
TEST [ $HL = "0x00000001" ]
#now move the file to a different directory where it has no hard link and check
TEST mkdir $M0/dir3;
TEST mv $M0/r_file2 $M0/dir3;
#now check the pgfid has changed or not and hard limit is one or not
PGFID_newDir=`getfattr -m "trusted.pgfid.*" -de hex $B0/brick/dir3/r_file2 2>&1 | grep "trusted.pgfid"`
#now the older pgfid and new pgfid shouldn't match
TEST [ $PGFID_rfile1 != $PGFID_newDir ]
HL=`getfattr -m "trusted.pgfid" -de hex $B0/brick/dir3/r_file2 2>&1 | grep "trusted.pgfid" | cut -d'=' -f2`
TEST [ $HL = "0x00000001" ]
TEST touch $M0/dir1/rl_file_1
ln $M0/dir1/rl_file_1 $M0/dir2/rl_file_2
mv $M0/dir1/rl_file_1 $M0/dir2
#now the there should be just one pgfid for both files
for i in $(seq 1 2); do
NL=`getfattr -m "trusted.pgfid" -de hex $B0/brick/dir2/rl_file_$i 2>&1 | grep "trusted.pgfid"|wc -l `
TEST_IN_LOOP [ $HL = "0x00000001" ]
done
#now pgfid of both files should match
P_rl_file_1=`getfattr -m "trusted.pgfid" -de hex $B0/brick/dir2/rl_file_1 2>&1 | grep "trusted.pgfid"`
P_rl_file_2=`getfattr -m "trusted.pgfid" -de hex $B0/brick/dir2/rl_file_2 2>&1 | grep "trusted.pgfid"`
TEST [ $P_rl_file_1 = $P_rl_file_2 ]
#now the no of hard link should be two for both rl_file_1 and rl_file_2
for i in $(seq 1 2); do
HL=`getfattr -m "trusted.pgfid" -de hex $B0/brick/dir2/rl_file_$i 2>&1 | grep "trusted.pgfid" | cut -d'=' -f2`
TEST_IN_LOOP [ $HL = "0x00000002" ]
done
TEST rm -rf $M0/*
}
__init;
links_in_same_directory;
links_across_directories;
cleanup
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