diff options
Diffstat (limited to 'tests/common.convert')
| -rw-r--r-- | tests/common.convert | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/tests/common.convert b/tests/common.convert new file mode 100644 index 00000000..4e3d49c9 --- /dev/null +++ b/tests/common.convert @@ -0,0 +1,182 @@ +#!/bin/bash +# helpers for btrfs-convert tests + +# how many files to create. +DATASET_SIZE=50 + +generate_dataset() { + + dataset_type="$1" + dirpath=$TEST_MNT/$dataset_type + run_check $SUDO_HELPER mkdir -p $dirpath + + case $dataset_type in + small) + for num in $(seq 1 $DATASET_SIZE); do + run_check $SUDO_HELPER dd if=/dev/urandom of=$dirpath/$dataset_type.$num bs=10K \ + count=1 >/dev/null 2>&1 + done + ;; + + hardlink) + for num in $(seq 1 $DATASET_SIZE); do + run_check $SUDO_HELPER touch $dirpath/$dataset_type.$num + run_check $SUDO_HELPER ln $dirpath/$dataset_type.$num $dirpath/hlink.$num + done + ;; + + symlink) + for num in $(seq 1 $DATASET_SIZE); do + run_check $SUDO_HELPER touch $dirpath/$dataset_type.$num + run_check $SUDO_HELPER ln -s $dirpath/$dataset_type.$num $dirpath/slink.$num + done + ;; + + brokenlink) + for num in $(seq 1 $DATASET_SIZE); do + run_check $SUDO_HELPER ln -s $dirpath/$dataset_type.$num $dirpath/blink.$num + done + ;; + + perm) + for modes in 777 775 755 750 700 666 664 644 640 600 444 440 400 000 \ + 1777 1775 1755 1750 1700 1666 1664 1644 1640 1600 1444 1440 1400 1000 \ + 2777 2775 2755 2750 2700 2666 2664 2644 2640 2600 2444 2440 2400 2000 \ + 4777 4775 4755 4750 4700 4666 4664 4644 4640 4600 4444 4440 4400 4000; do + if [[ "$modes" == *9* ]] || [[ "$modes" == *8* ]] + then + continue; + else + run_check $SUDO_HELPER touch $dirpath/$dataset_type.$modes + run_check $SUDO_HELPER chmod $modes $dirpath/$dataset_type.$modes + fi + done + ;; + + sparse) + for num in $(seq 1 $DATASET_SIZE); do + run_check $SUDO_HELPER dd if=/dev/urandom of=$dirpath/$dataset_type.$num bs=10K \ + count=1 >/dev/null 2>&1 + run_check $SUDO_HELPER truncate -s 500K $dirpath/$dataset_type.$num + run_check $SUDO_HELPER dd if=/dev/urandom of=$dirpath/$dataset_type.$num bs=10K \ + oflag=append conv=notrunc count=1 >/dev/null 2>&1 + run_check $SUDO_HELPER truncate -s 800K $dirpath/$dataset_type.$num + done + ;; + + acls) + for num in $(seq 1 $DATASET_SIZE); do + run_check $SUDO_HELPER touch $dirpath/$dataset_type.$num + run_check $SUDO_HELPER setfacl -m "u:root:x" $dirpath/$dataset_type.$num + run_check $SUDO_HELPER setfattr -n user.foo -v bar$num $dirpath/$dataset_type.$num + done + ;; + esac +} + +populate_fs() { + + for dataset_type in 'small' 'hardlink' 'symlink' 'brokenlink' 'perm' 'sparse' 'acls'; do + generate_dataset "$dataset_type" + done +} + +# verbose message before the test, same arguments as convert_test +convert_test_preamble() { + local features + local msg + + features="$1" + msg="$2" + shift 3 + echo " [TEST/conv] $msg, btrfs" "${features:-defaults}" + echo "creating ext image with: $@" >> $RESULTS +} + +# prepare TEST_DEV before conversion, create filesystem and mount it, image +# size is 512MB +# $@: free form, command to create the filesystem, with appended -F +convert_test_prep_fs() { + # TEST_DEV not removed as the file might have special permissions, eg. + # when test image is on NFS and would not be writable for root + run_check truncate -s 0 $TEST_DEV + # 256MB is the smallest acceptable btrfs image. + run_check truncate -s 512M $TEST_DEV + run_check "$@" -F $TEST_DEV + + # create a file to check btrfs-convert can convert regular file correct + run_check_mount_test_dev + + # create a file inside the fs before convert, to make sure there is + # data covering btrfs backup superblock range (64M) + run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=64 \ + of=$TEST_MNT/convert_space_holder +} + +# generate md5 checksums of files on $TEST_MNT +# $1: path where the checksums will be stored +convert_test_gen_checksums() { + local CHECKSUMTMP + CHECKSUMTMP="$1" + + run_check $SUDO_HELPER dd if=/dev/zero of=$TEST_MNT/test bs=$nodesize \ + count=1 >/dev/null 2>&1 + run_check_stdout $SUDO_HELPER find $TEST_MNT -type f ! -name 'image' -exec md5sum {} \+ > "$CHECKSUMTMP" +} + +# do conversion with given features and nodesize, fsck afterwards +# $1: features, argument of -O, can be empty +# $2: nodesize, argument of -N, can be empty +convert_test_do_convert() { + run_check $TOP/btrfs-convert ${1:+-O "$1"} ${2:+-N "$2"} $TEST_DEV + run_check $TOP/btrfs check $TEST_DEV + run_check $TOP/btrfs-show-super -Ffa $TEST_DEV +} + +# post conversion checks, verify md5sums +# $1: file with checksums +convert_test_post_check() { + local CHECKSUMTMP + CHECKSUMTMP="$1" + + run_check_mount_test_dev + run_check_stdout $SUDO_HELPER md5sum -c "$CHECKSUMTMP" | + grep -q 'FAILED' && _fail "file validation failed" + run_check_umount_test_dev +} + +# do rollback and fsck +convert_test_post_rollback() { + run_check $TOP/btrfs-convert --rollback $TEST_DEV + run_check fsck -n -t ext2,ext3,ext4 $TEST_DEV +} + +# simple wrapper for a convert test +# $1: btrfs features, argument to -O +# $2: description of the test "ext2 8k nodesize" +# $3: nodesize value +# $4 + rest: command to create the ext2 image +convert_test() { + local features + local nodesize + local msg + local CHECKSUMTMP + + features="$1" + msg="$2" + nodesize="$3" + shift 3 + convert_test_preamble "$features" "$msg" "$nodesize" "$@" + convert_test_prep_fs "$@" + populate_fs + CHECKSUMTMP=$(mktemp --tmpdir btrfs-progs-convert.XXXXXXXXXX) + convert_test_gen_checksums "$CHECKSUMTMP" + + run_check_umount_test_dev + + convert_test_do_convert "$features" "$nodesize" + convert_test_post_check "$CHECKSUMTMP" + rm $CHECKSUMTMP + + convert_test_post_rollback +} |