On Tue, 2019-10-15 at 16:27 +0200, Max Reitz wrote: > The problem with allowing the data_file option is that you want to use a > different data file per image used in the test. Therefore, we need to > allow patterns like -o data_file='$TEST_IMG.data_file'. > > Then, we need to filter it out from qemu-img map, qemu-img create, and > remove the data file in _rm_test_img. > > Signed-off-by: Max Reitz <mre...@redhat.com> > --- > tests/qemu-iotests/common.filter | 23 +++++++++++++++++++++-- > tests/qemu-iotests/common.rc | 22 +++++++++++++++++++++- > 2 files changed, 42 insertions(+), 3 deletions(-) > > diff --git a/tests/qemu-iotests/common.filter > b/tests/qemu-iotests/common.filter > index 63bc6f6f26..9dd05689d1 100644 > --- a/tests/qemu-iotests/common.filter > +++ b/tests/qemu-iotests/common.filter > @@ -121,7 +121,13 @@ _filter_actual_image_size() > # replace driver-specific options in the "Formatting..." line > _filter_img_create() > { > - $SED -e "s#$REMOTE_TEST_DIR#TEST_DIR#g" \ > + data_file_filter=() > + if data_file=$(_get_data_file "$TEST_IMG"); then > + data_file_filter=(-e "s# data_file=$data_file##") > + fi > + > + $SED "${data_file_filter[@]}" \ > + -e "s#$REMOTE_TEST_DIR#TEST_DIR#g" \ > -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \ > -e "s#$TEST_DIR#TEST_DIR#g" \ > -e "s#$IMGFMT#IMGFMT#g" \ > @@ -204,9 +210,22 @@ _filter_img_info() > # human and json output > _filter_qemu_img_map() > { > + # Assuming the data_file value in $IMGOPTS contains a '$TEST_IMG', > + # create a filter that replaces the data file name by $TEST_IMG. > + # Example: > + # In $IMGOPTS: 'data_file=$TEST_IMG.data_file' > + # Then data_file_pattern == '\(.*\).data_file' > + # And data_file_filter == -e 's#\(.*\).data_file#\1# > + data_file_filter=() > + if data_file_pattern=$(_get_data_file '\\(.*\\)'); then > + data_file_filter=(-e "s#$data_file_pattern#\\1#") > + fi > + > $SED -e 's/\([0-9a-fx]* *[0-9a-fx]* *\)[0-9a-fx]* */\1/g' \ > -e 's/"offset": [0-9]\+/"offset": OFFSET/g' \ > - -e 's/Mapped to *//' | _filter_testdir | _filter_imgfmt > + -e 's/Mapped to *//' \ > + "${data_file_filter[@]}" \ > + | _filter_testdir | _filter_imgfmt > } > > _filter_nbd() > diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc > index f3784077de..bed789a691 100644 > --- a/tests/qemu-iotests/common.rc > +++ b/tests/qemu-iotests/common.rc > @@ -277,6 +277,20 @@ _stop_nbd_server() > fi > } > > +# Gets the data_file value from IMGOPTS and replaces the '$TEST_IMG' > +# pattern by '$1' > +# Caution: The replacement is done with sed, so $1 must be escaped > +# properly. (The delimiter is '#'.) > +_get_data_file() > +{ > + if ! echo "$IMGOPTS" | grep -q 'data_file='; then > + return 1 > + fi > + > + echo "$IMGOPTS" | sed -e 's/.*data_file=\([^,]*\).*/\1/' \ > + | sed -e "s#\\\$TEST_IMG#$1#" > +} > + > _make_test_img() > { > # extra qemu-img options can be added by tests > @@ -297,7 +311,8 @@ _make_test_img() > fi > > if [ -n "$IMGOPTS" ]; then > - optstr=$(_optstr_add "$optstr" "$IMGOPTS") > + imgopts_expanded=$(echo "$IMGOPTS" | sed -e > "s#\\\$TEST_IMG#$img_name#") > + optstr=$(_optstr_add "$optstr" "$imgopts_expanded") > fi > if [ -n "$IMGKEYSECRET" ]; then > object_options="--object secret,id=keysec0,data=$IMGKEYSECRET" > @@ -376,6 +391,11 @@ _rm_test_img() > # Remove all the extents for vmdk > "$QEMU_IMG" info "$img" 2>/dev/null | grep 'filename:' | cut -f 2 > -d: \ > | xargs -I {} rm -f "{}" > + elif [ "$IMGFMT" = "qcow2" ]; then > + # Remove external data file > + if data_file=$(_get_data_file "$img"); then > + rm -f "$data_file" > + fi > fi > rm -f "$img" > }
Reviewed-by: Maxim Levitsky <mlevi...@redhat.com> Best regards, Maxim Levitsky