btrfs-progs: New btrfsck test infrastructure
Change the old btrfsck test infrastructure (btrfs-image dump or xz raw dump) to the new test infrastructure. 1) Test case layout The new infrastructure is dir based, each dir is one test type, and can contain multiple images/scripts for different corner cases. So layout will be the following: btrfs-progs |-tests |-fsck-tests |-001-SOME-CORRUPT-TYPE |-IMAGE-FOR-CASE1 |-IMAGE-FOR-CASE2 2) Test case image types Only 2 types for test case images. a) btrfs-image dump This one is the simplest case, one only needs to add the image to corresponding dir. b) custom script This one is for all the resting cases which can't fit btrfs-image, like csum error or script can generate the image (this reduces the size obviously and good for review) The old binary dump also belongs to this type, so need to add script to extract them. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
Qu Wenruo
David Sterba
parent
3d47cc9ae1
commit
5287625fcf
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@ -0,0 +1,49 @@
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#!/bin/bash
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#
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# Common routines for all tests
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#
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_fail()
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{
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echo "$*" | tee -a $RESULT
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exit 1
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}
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run_check()
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{
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echo "############### $@" >> $RESULT 2>&1
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"$@" >> $RESULT 2>&1 || _fail "failed: $@"
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}
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check_prereq()
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{
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if ! [ -f $top/$1 ]; then
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_fail "Failed prerequisities: $1";
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fi
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}
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check_image()
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{
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image=$1
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echo "testing image $(basename $image)" >> $RESULT
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$top/btrfs check $image >> $RESULT 2>&1
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[ $? -eq 0 ] && _fail "btrfs check should have detected corruption"
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run_check $top/btrfs check --repair $image
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run_check $top/btrfs check $image
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}
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check_all_images()
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{
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dir=$1
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for i in $(find $dir -iname '*.img')
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do
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echo "extracting image $(basename $i)" >> $RESULT
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$top/btrfs-image -r $i $i.restored || \
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_fail "failed to extract image $i"
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check_image $i.restored
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rm $i.restored
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done
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}
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@ -5,60 +5,60 @@
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# It's GPL, same as everything else in this tree.
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#
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here=`pwd`
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TEST_DEV=
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TEST_MNT=
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RESULT="fsck-tests-results.txt"
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unset top
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unset LANG
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LANG=C
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script_dir=$(dirname $(realpath $0))
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top=$(realpath $script_dir/../)
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TEST_DEV=${TEST_DEV:-}
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TEST_MNT=${TEST_MNT:-$top/tests/mnt}
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RESULT="$top/tests/fsck-tests-results.txt"
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_fail()
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{
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echo "$*" | tee -a $RESULT
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exit 1
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}
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source $top/tests/common
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run_check()
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{
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echo "############### $@" >> $RESULT 2>&1
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"$@" >> $RESULT 2>&1 || _fail "failed: $@"
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}
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check_prereq()
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{
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if ! [ -f $here/$1 ]; then
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_fail "Failed prerequisities: $1";
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fi
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}
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# Allow child test to use $top and $RESULT
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export top
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export RESULT
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# For custom script needs to verfiy recovery
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export TEST_MNT
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export LANG
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rm -f $RESULT
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mkdir -p $TEST_MNT || _fail "unable to create mount point on $TEST_MNT"
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# test rely on corrupting blocks tool
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check_prereq btrfs-corrupt-block
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check_prereq btrfs-image
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check_prereq btrfs
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# Some broken filesystem images are kept as .img files, created by the tool
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# btrfs-image, and others are kept as .tar.xz files that contain raw filesystem
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# image (the backing file of a loop device, as a sparse file). The reason for
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# keeping some as tarballs of raw images is that for these cases btrfs-image
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# isn't able to preserve all the (bad) filesystem structure for some reason.
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for i in $(find $here/tests/fsck-tests -name '*.img' -o -name '*.tar.xz' | sort)
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# Each dir contains one type of error for btrfsck test.
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# Each dir must be one of the following 2 types:
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# 1) Only btrfs-image dump
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# Only contains one or several btrfs-image dumps (.img)
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# Each image will be tested by generic test routine
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# (btrfsck --repair and btrfsck).
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# This is for case that btree-healthy images.
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# 2) Custom test script
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# This dir contains test.sh which will do custom image
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# generation/check/verification.
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# This is for case btrfs-image can't dump or case needs extra
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# check/verify
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for i in $(find $top/tests/fsck-tests -maxdepth 1 -mindepth 1 -type d | sort)
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do
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echo " [TEST] $(basename $i)"
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echo "testing image $i" >> $RESULT
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extension=${i#*.}
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if [ $extension == "img" ]; then
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run_check $here/btrfs-image -r $i test.img
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else
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run_check tar xJf $i
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cd $i
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if [ -x test.sh ]; then
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# Type 2
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./test.sh
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if [ $? -ne 0 ]; then
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_fail "test failed for case $(basename $i)"
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fi
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$here/btrfs check test.img >> $RESULT 2>&1
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[ $? -eq 0 ] && _fail "btrfs check should have detected corruption"
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run_check $here/btrfs check --repair test.img
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run_check $here/btrfs check test.img
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else
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# Type 1
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check_all_images `pwd`
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fi
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cd $top
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done
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if [ -z $TEST_DEV ] || [ -z $TEST_MNT ];then
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@ -70,31 +70,32 @@ fi
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test_extent_tree_rebuild()
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{
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echo " [TEST] extent tree rebuild"
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$here/mkfs.btrfs -f $TEST_DEV >> /dev/null 2>&1 || _fail "fail to mkfs"
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$top/mkfs.btrfs -f $TEST_DEV >> /dev/null 2>&1 || _fail "fail to mkfs"
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run_check mount $TEST_DEV $TEST_MNT
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cp -aR /lib/modules/`uname -r`/ $TEST_MNT 2>&1
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for i in `seq 1 100`;do
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$here/btrfs sub snapshot $TEST_MNT \
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$top/btrfs sub snapshot $TEST_MNT \
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$TEST_MNT/snapaaaaaaa_$i >& /dev/null
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done
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run_check umount $TEST_DEV
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# get extent root bytenr
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extent_root_bytenr=`$here/btrfs-debug-tree -r $TEST_DEV | grep extent | awk '{print $7}'`
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extent_root_bytenr=`$top/btrfs-debug-tree -r $TEST_DEV | \
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grep extent | awk '{print $7}'`
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if [ -z $extent_root_bytenr ];then
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_fail "fail to get extent root bytenr"
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fi
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# corrupt extent root node block
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run_check $here/btrfs-corrupt-block -l $extent_root_bytenr \
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run_check $top/btrfs-corrupt-block -l $extent_root_bytenr \
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-b 4096 $TEST_DEV
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$here/btrfs check $TEST_DEV >& /dev/null && \
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$top/btrfs check $TEST_DEV >& /dev/null && \
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_fail "btrfs check should detect failure"
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run_check $here/btrfs check --init-extent-tree $TEST_DEV
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run_check $here/btrfs check $TEST_DEV
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run_check $top/btrfs check --init-extent-tree $TEST_DEV
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run_check $top/btrfs check $TEST_DEV
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}
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test_extent_tree_rebuild
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