exit 1
}
+# log a message to the results file
+_log()
+{
+ echo "$*" | tee -a $RESULTS
+}
+
_not_run()
{
echo " [NOTRUN] $*"
run_check()
{
echo "############### $@" >> $RESULTS 2>&1
- "$@" >> $RESULTS 2>&1 || _fail "failed: $@"
+ if [ "$TEST_LOG" = 'tty' ]; then echo "CMD: $@" > /dev/tty; fi
+ if [ "$1" = 'root_helper' ]; then
+ "$@" >> $RESULTS 2>&1 || _fail "failed: $@"
+ else
+ $INSTRUMENT "$@" >> $RESULTS 2>&1 || _fail "failed: $@"
+ fi
}
# same as run_check but the stderr+stdout output is duplicated on stdout and
run_check_stdout()
{
echo "############### $@" >> $RESULTS 2>&1
- "$@" 2>&1 | tee -a $RESULTS || _fail "failed: $@"
+ if [ "$TEST_LOG" = 'tty' ]; then echo "CMD(stdout): $@" > /dev/tty; fi
+ if [ "$1" = 'root_helper' ]; then
+ "$@" 2>&1 | tee -a $RESULTS || _fail "failed: $@"
+ else
+ $INSTRUMENT "$@" 2>&1 | tee -a $RESULTS || _fail "failed: $@"
+ fi
+}
+
+# same as run_check but does not fail the test, output is logged
+run_mayfail()
+{
+ echo "############### $@" >> $RESULTS 2>&1
+ if [ "$TEST_LOG" = 'tty' ]; then echo "CMD(mayfail): $@" > /dev/tty; fi
+ if [ "$1" = 'root_helper' ]; then
+ "$@" >> $RESULTS 2>&1
+ else
+ $INSTRUMENT "$@" >> $RESULTS 2>&1
+ fi
+ if [ $? != 0 ]; then
+ echo "failed (ignored): $@" >> $RESULTS
+ return 1
+ fi
+}
+
+# first argument is error message to print if it fails, otherwise
+# same as run_check but expects the command to fail, output is logged
+run_mustfail()
+{
+ local msg
+
+ msg="$1"
+ shift
+
+ echo "############### $@" >> $RESULTS 2>&1
+ if [ "$TEST_LOG" = 'tty' ]; then echo "CMD(mustfail): $@" > /dev/tty; fi
+ if [ "$1" = 'root_helper' ]; then
+ "$@" >> $RESULTS 2>&1
+ else
+ $INSTRUMENT "$@" >> $RESULTS 2>&1
+ fi
+ if [ $? != 0 ]; then
+ echo "failed (expected): $@" >> $RESULTS
+ return 0
+ else
+ echo "succeeded (unexpected!): $@" >> $RESULTS
+ _fail "unexpected success: $msg"
+ return 1
+ fi
}
check_prereq()
{
if ! [ -f $TOP/$1 ]; then
- _fail "Failed prerequisities: $1";
+ _fail "Failed prerequisites: $1";
fi
}
run_check $TOP/btrfs check $image
}
-# Process all image dumps in a given directory,
+# Extract a usable image from packed formats
# - raw btrfs filesystem images, suffix .raw
# - dtto compressed by XZ, suffix .raw.xz
# - meta-dump images with suffix .img
# - dtto compressed by XZ, suffix .img.xz
+extract_image()
+{
+ local image
+ local cleanme
+
+ image="$1"
+ case "$image" in
+ *.img)
+ rm -f $image.restored
+ : ;;
+ *.img.xz)
+ xz --decompress --keep "$image" || \
+ _fail "failed to decompress image $image" >&2
+ image=${image%%.xz}
+ rm -f $image.restored
+ cleanme=$image
+ ;;
+ *.raw)
+ cp --sparse=auto $image $image.restored
+ ;;
+ *.raw.xz)
+ xz --decompress --keep "$image" || \
+ _fail "failed to decompress image $image" >&2
+ image=${image%%.xz}
+ mv "$image" "$image".restored
+ ;;
+ esac
+
+ if ! [ -f $image.restored ]; then
+ echo "restoring image $(basename $image)" >> $RESULTS
+ $TOP/btrfs-image -r $image $image.restored \
+ &>> $RESULTS \
+ || _fail "failed to restore image $image" >&2
+ fi
+
+ [ -f "$cleanme" ] && rm -f "$cleanme"
+
+ echo "$image.restored"
+}
+
+# Process all image dumps in a given directory
check_all_images()
{
- dir=$1
+ local dir
+ local extracted
+
+ dir="$1"
for image in $(find $dir \( -iname '*.img' -o \
-iname '*.img.xz' -o \
-iname '*.raw' -o \
-iname '*.raw.xz' \) | sort)
do
- cleanme=
- case "$image" in
- *.img)
- rm -f $image.restored
- : ;;
- *.img.xz)
- xz --decompress --keep "$image" || \
- _fail "failed to decompress image $image"
- image=${image%%.xz}
- rm -f $image.restored
- cleanme=$image
- ;;
- *.raw)
- cp --sparse=auto $image $image.restored
- ;;
- *.raw.xz)
- xz --decompress --keep "$image" || \
- _fail "failed to decompress image $image"
- image=${image%%.xz}
- mv "$image" "$image".restored
- ;;
- esac
-
- if ! [ -f $image.restored ]; then
- echo "restoring image $(basename $image)" >> $RESULTS
- $TOP/btrfs-image -r $image $image.restored || \
- _fail "failed to restore image $image"
- fi
-
- check_image $image.restored
-
- rm -f $image.restored $cleanme
+ extracted=$(extract_image "$image")
+ check_image "$extracted"
+ rm -f "$extracted"
done
}
setup_root_helper()
{
- if [ $UID -eq 0 ]; then
+ if [ $UID -eq 0 -o -n "$SUDO_HELPER" ]; then
return
fi
local size="$1"
[[ "$TEST_DEV" ]] && return
- [[ "$size" ]] || size='1G'
+ [[ "$size" ]] || size='2G'
echo "\$TEST_DEV not given, use $TOP/test/test.img as fallback" >> \
$RESULTS
truncate -s "$size" "$TEST_DEV" || _not_run "create file for loop device failed"
}
+run_check_mount_test_dev()
+{
+ setup_root_helper
+
+ local loop_opt
+ if [[ -b "$TEST_DEV" ]]; then
+ loop_opt=""
+ elif [[ -f "$TEST_DEV" ]]; then
+ loop_opt="-o loop"
+ else
+ _fail "Invalid \$TEST_DEV: $TEST_DEV"
+ fi
+
+ [[ -d "$TEST_MNT" ]] || {
+ _fail "Invalid \$TEST_MNT: $TEST_MNT"
+ }
+
+ run_check $SUDO_HELPER mount $loop_opt "$@" "$TEST_DEV" "$TEST_MNT"
+}
+
+run_check_umount_test_dev()
+{
+ setup_root_helper
+ run_check $SUDO_HELPER umount "$@" "$TEST_DEV"
+}
+
+init_env()
+{
+ TEST_MNT="${TEST_MNT:-$TOP/tests/mnt}"
+ export TEST_MNT
+ mkdir -p "$TEST_MNT" || { echo "Failed mkdir -p $TEST_MNT"; exit 1; }
+}
+init_env