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#!/bin/bash
dhthashdebugxattr="dht.file.hashed-subvol."
function get_layout()
{
getfattr -n trusted.glusterfs.dht -e hex $1 2>&1 | grep dht | cut -d = -f2
}
## populates $BRICK1 and $BRICK2 with hashed/cached subvolume. These will be
## used by get_cached_brick and get_hashed_brick
function file_has_linkfile()
{
k=0
l=0
while [ $k -lt $BRICK_COUNT ]
do
stat=$(stat $B0/${V0}$k/$1 2>/dev/null)
if [ $? -eq 0 ]
then
let l++
let "BRICK${l}=$k"
fi
let k++
done
return $l
}
function get_cached_brick()
{
i=1
brick=$BRICK1
while [ $i -lt 3 ]
do
test=$(getfattr -n trusted.glusterfs.dht.linkto -e text $B0/${V0}$brick/$1 2>&1)
if [ $? -eq 1 ]
then
cached=$brick
i=$(( $i+3 ))
fi
brick=$BRICK1
let i++
done
return $cached
}
function get_hashed_brick()
{
j=1
brick=$BRICK1
while [ $j -lt 3 ]
do
test=$(getfattr -n trusted.glusterfs.dht.linkto -e text $B0/${V0}$brick/$1 2>&1)
if [ $? -eq 0 ]
then
hashed=$brick
j=$(( $j+3 ))
fi
brick=$BRICK2
let j++
done
return $hashed
}
function cluster_rebalance_completed()
{
val=1
# Rebalance status will be either "failed" or "completed"
test=$($CLI_1 volume rebalance $V0 status | grep "in progress" 2>&1)
if [ $? -ne 0 ]
then
val=0
fi
echo $val
# Do not *return* the value here. If it's non-zero, that will cause
# EXPECT_WITHIN (e.g. in bug-884455.t) to return prematurely, leading to
# a spurious test failure. Nothing else checks the return value anyway
# (they all check the output) so there's no need for it to be non-zero
# just because grep didn't find what we want.
}
function rebalance_completed()
{
val=1
test=$($CLI volume rebalance $V0 status | grep localhost | grep "completed" 2>&1)
if [ $? -eq 0 ]
then
val=0
fi
echo $val
# Do not *return* the value here. If it's non-zero, that will cause
# EXPECT_WITHIN (e.g. in bug-884455.t) to return prematurely, leading to
# a spurious test failure. Nothing else checks the return value anyway
# (they all check the output) so there's no need for it to be non-zero
# just because grep didn't find what we want.
}
function remove_brick_completed()
{
val=1
test=$(gluster volume remove-brick $V0 $H0:$B0/${V0}2 status | grep localhost | grep "completed" 2>&1)
if [ $? -eq 0 ]
then
val=0
fi
echo $val
}
function dht_get_linkto_target()
{
local path=$1;
echo $(getfattr -e text --only-values --absolute-names -n trusted.glusterfs.dht.linkto $path)
}
function is_dht_linkfile()
{
local path=$1
retval=0
local output=$(stat -c %a $path)
if [ $output -eq 1000 ]; then
retval=1
fi
echo $retval
return $retval
}
# Given an existing directory on the volume, get the hashed subvol for a file
# in that directory
# Input: filename dirpath_on_mount
function dht_get_hash_subvol()
{
local hashed_subvol
hashed_subvol=$(getfattr --only-values -n "$dhthashdebugxattr$1" $2 2>/dev/null)
echo $hashed_subvol
}
# Find the first filename that hashes to the same subvol
# as $1
# Input: subvol_name dirpath_on_mount file_pattern
function dht_first_filename_with_hashsubvol()
{
local in_subvol=$1
local in_path=$2
local in_hash_subvol
local file_pattern=$3
local filename
for i in {1..50}
do
filename="$file_pattern$i"
in_hash_subvol=$(dht_get_hash_subvol "$filename" "$in_path")
# echo $in_hash_subvol
if [ "$in_subvol" == "$in_hash_subvol" ]; then
fn_return_val=$filename
return 0
fi
done
return 1
}
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