glusterfs

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#!/bin/bash
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# Test that the rsync and "extra" regexes cause rename-in-place without
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# creating linkfiles, when they're supposed to.  Without the regex we'd have a
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# 1/4 chance of each file being assigned to the right place, so with 16 files
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# we have a 1/2^32 chance of getting the correct result by accident.
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. $(dirname $0)/../../include.rc
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. $(dirname $0)/../../volume.rc
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function count_linkfiles {
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	local i
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	local count=0
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	for i in $(seq $2 $3); do
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		x=$(find $1$i -perm -1000 | wc -l)
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		# Divide by two because of the .glusterfs links.
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		count=$((count+x/2))
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	done
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	echo $count
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}
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# This function only exists to get around quoting difficulties in TEST.
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function set_regex {
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	$CLI volume set $1 cluster.extra-hash-regex '^foo(.+)bar$'
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}
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cleanup;
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TEST glusterd
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TEST pidof glusterd
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mkdir -p $H0:$B0/${V0}0
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mkdir -p $H0:$B0/${V0}1
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mkdir -p $H0:$B0/${V0}2
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mkdir -p $H0:$B0/${V0}3
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# Create and start a volume.
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TEST $CLI volume create $V0 $H0:$B0/${V0}0 $H0:$B0/${V0}1 \
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			    $H0:$B0/${V0}2 $H0:$B0/${V0}3
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TEST $CLI volume start $V0
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EXPECT_WITHIN $PROCESS_UP_TIMEOUT 'Started' volinfo_field $V0 'Status';
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# Mount it.
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TEST glusterfs --volfile-server=$H0 --volfile-id=$V0 $M0
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# Make sure the rsync regex works, by verifying that no linkfiles are
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# created.
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rm -f $M0/file*
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for i in $(seq 0 15); do
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	fn=$(printf file%x $i)
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	tmp_fn=$(printf .%s.%d $fn $RANDOM)
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	echo testing > $M0/$tmp_fn
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	mv $M0/$tmp_fn $M0/$fn
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done
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lf=$(count_linkfiles $B0/$V0 0 3)
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TEST [ "$lf" -eq "0" ]
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# Make sure that linkfiles *are* created for normal files.
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rm -f $M0/file*
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for i in $(seq 0 15); do
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	fn=$(printf file%x $i)
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	tmp_fn=$(printf foo%sbar $fn)
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	echo testing > $M0/$tmp_fn
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	mv $M0/$tmp_fn $M0/$fn
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done
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lf=$(count_linkfiles $B0/$V0 0 3)
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TEST [ "$lf" -ne "0" ]
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# Make sure that setting an extra regex suppresses the linkfiles.
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TEST set_regex $V0
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rm -f $M0/file*
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for i in $(seq 0 15); do
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	fn=$(printf file%x $i)
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	tmp_fn=$(printf foo%sbar $fn)
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	echo testing > $M0/$tmp_fn
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	mv $M0/$tmp_fn $M0/$fn
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done
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lf=$(count_linkfiles $B0/$V0 0 3)
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TEST [ "$lf" -eq "0" ]
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# Re-test the rsync regex, to make sure the extra one didn't break it.
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rm -f $M0/file*
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for i in $(seq 0 15); do
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	fn=$(printf file%x $i)
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	tmp_fn=$(printf .%s.%d $fn $RANDOM)
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	echo testing > $M0/$tmp_fn
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	mv $M0/$tmp_fn $M0/$fn
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done
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lf=$(count_linkfiles $B0/$V0 0 3)
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TEST [ "$lf" -eq "0" ]
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cleanup
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