glusterfs

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#!/bin/bash
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. $(dirname $0)/../../include.rc
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. $(dirname $0)/../../volume.rc
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cleanup;
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TEST glusterd
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TEST pidof glusterd
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## Start and create a volume
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mkdir -p ${B0}/${V0}-0
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mkdir -p ${B0}/${V0}-1
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TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}-{0,1}
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TEST $CLI volume set $V0 performance.io-cache off;
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TEST $CLI volume set $V0 performance.write-behind off;
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TEST $CLI volume set $V0 performance.stat-prefetch off
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TEST $CLI volume start $V0;
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## Mount native
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TEST glusterfs --volfile-server=$H0 --volfile-id=$V0 $M0
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#returns success if 'olddir' is absent
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#'olddir' must be absent in both replicas
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function rm_succeeded () {
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    local dir1=$1
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    [[ -d $H0:$B0/${V0}-0/$dir1 || -d $H0:$B0/${V0}-1/$dir1 ]] && return 0
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    return 1
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}
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# returns successes if 'newdir' is present
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#'newdir' must be present in both replicas
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function mv_succeeded () {
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    local dir1=$1
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    [[ -d $H0:$B0/${V0}-0/$dir1 && -d $H0:$B0/${V0}-1/$dir1 ]] && return 1
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    return 0
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}
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# returns zero on success
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# Only one of rm and mv can succeed. This is captured by the XOR below
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function chk_backend_consistency(){
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    local dir1=$1
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    local dir2=$2
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    local rm_status=rm_succeeded $dir1
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    local mv_status=mv_succeeded $dir2
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    [[ ( $rm_status && ! $mv_status ) || ( ! $rm_status && $mv_status ) ]] && return 0
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    return 1
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}
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#concurrent removal/rename of dirs
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function rm_mv_correctness () {
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    ret=0
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    for i in {1..100}; do
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        mkdir $M0/"dir"$i
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        rmdir $M0/"dir"$i &
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        mv $M0/"dir"$i $M0/"adir"$i &
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        wait
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        tmp_ret=$(chk_backend_consistency "dir"$i "adir"$i)
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        (( ret += tmp_ret ))
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        rm -rf $M0/"dir"$i
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        rm -rf $M0/"adir"$i
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    done
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    return $ret
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}
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TEST touch $M0/a;
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TEST mv $M0/a $M0/b;
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#test rename fop when one of the bricks is down
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kill_brick ${V0} ${H0} ${B0}/${V0}-1;
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TEST touch $M0/h;
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TEST mv $M0/h $M0/1;
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TEST $CLI volume start $V0 force;
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EXPECT_WITHIN $CHILD_UP_TIMEOUT "1" afr_child_up_status $V0 1;
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find $M0 2>/dev/null 1>/dev/null;
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find $M0 | xargs stat 2>/dev/null 1>/dev/null;
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TEST rm_mv_correctness;
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EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
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cleanup;
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