Add a bunch of tests exercising the new btrfstune functionality. In particular check that various restrictions are implemented correctly, test that btrfs-image works as expected and also test the output of btrfs inspect-internal dump-super is correct.
Signed-off-by: Nikolay Borisov <nbori...@suse.com> --- tests/misc-tests/033-metadata-uuid/test.sh | 137 +++++++++++++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100755 tests/misc-tests/033-metadata-uuid/test.sh diff --git a/tests/misc-tests/033-metadata-uuid/test.sh b/tests/misc-tests/033-metadata-uuid/test.sh new file mode 100755 index 000000000000..b08220c257c8 --- /dev/null +++ b/tests/misc-tests/033-metadata-uuid/test.sh @@ -0,0 +1,137 @@ +#!/bin/bash + +source "$TEST_TOP/common" + +check_prereq mkfs.btrfs +check_prereq btrfs +check_prereq btrfstune +check_prereq btrfs-image + +setup_root_helper + +prepare_test_dev + +function read_fsid { + local dev="$1" + echo $(run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal \ + dump-super "$dev" | awk '/fsid/ {print $2}' | head -n 1) +} + +function read_metadata_uuid { + local dev="$1" + echo $(run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal \ + dump-super "$dev" | awk '/metadata_uuid/ {print $2}') +} + +function check_btrfstune { + local fsid + echo "Checking btrfstune logic" >> "$RESULTS" + #Test with random uuid + run_check $SUDO_HELPER "$TOP/btrfstune" -m "$TEST_DEV" + + #check that specific uuid can set + run_check $SUDO_HELPER "$TOP/btrfstune" -M d88c8333-a652-4476-b225-2e9284eb59f1 "$TEST_DEV" + + #test that having seed on already changed device doesn't work + run_mustfail "Managed to set seed on metadata uuid fs" \ + $SUDO_HELPER "$TOP/btrfstune" -S 1 "$TEST_DEV" + + #test that setting both seed and -m|M is forbidden + run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV" + run_mustfail "Succeeded setting seed and changing fs uuid" \ + $SUDO_HELPER "$TOP/btrfstune" -S 1 -m "$TEST_DEV" + + #test that having -m|-M on seed device is forbidden + run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV" + run_check $SUDO_HELPER "$TOP/btrfstune" -S 1 "$TEST_DEV" + run_mustfail "Succeded changing fsid on a seed device" $SUDO_HELPER "$TOP/btrfstune" -m "$TEST_DEV" + + #test that using -U|-u on an fs with METADATA_UUID flag is forbidden + run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV" + run_check $SUDO_HELPER "$TOP/btrfstune" -m "$TEST_DEV" + run_mustfail "Succeeded triggering FSID rewrite while METADATA_UUID is active" \ + $SUDO_HELPER "$TOP/btrfstune" -u "$TEST_DEV" + +} + +function check_dump_super_output { + local fsid + local metadata_uuid + local dev_item_match + local old_metadata_uuid + + echo "Checking dump-super output" >> "$RESULTS" + #Assert that metadata/fsid match on non-changed fs + fsid=$(read_fsid "$TEST_DEV") + metadata_uuid=$(read_metadata_uuid "$TEST_DEV") + [ "$fsid" = "$metadata_uuid" ] || _fail "fsid ("$fsid") doesn't match metadata_uuid ("$metadata_uuid")" + + dev_item_match=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal dump-super \ + "$TEST_DEV" | awk '/dev_item.fsid/ {print $3}') + + [ $dev_item_match = "[match]" ] || _fail "dev_item.fsid doesn't match on non-metadata uuid fs" + + + echo "Checking output after fsid change" >> "$RESULTS" + #change metadatauuid and ensure everything in the output is still correct + old_metadata_uuid=$metadata_uuid + run_check $SUDO_HELPER "$TOP/btrfstune" -M d88c8333-a652-4476-b225-2e9284eb59f1 "$TEST_DEV" + fsid=$(read_fsid "$TEST_DEV") + metadata_uuid=$(read_metadata_uuid "$TEST_DEV") + dev_item_match=$(run_check_stdout $SUDO_HELPER "$TOP/btrfs" \ + inspect-internal dump-super "$TEST_DEV" | awk '/dev_item.fsid/ {print $3}') + + [ "$dev_item_match" = "[match]" ] || _fail "dev_item.fsid doesn't match on metadata uuid fs" + [ "$fsid" = "d88c8333-a652-4476-b225-2e9284eb59f1" ] || _fail "btrfstune metadata UUID change failed" + [ "$old_metadata_uuid" = "$metadata_uuid" ] || _fail "Metadata uuid change unexpectedly" + + echo "Checking for incompat textual representation" >> "$RESULTS" + #check for textual output of the new incompat feature + run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal dump-super \ + "$TEST_DEV" | grep -q METADATA_UUID + [ $? -eq 0 ] || _fail "Didn't find textual representation of METADATA_UUID feature" + + echo "Checking setting fsid back to original" >> "$RESULTS" + #ensure that setting the fsid back to the original works + run_check $SUDO_HELPER "$TOP/btrfstune" -M "$old_metadata_uuid" "$TEST_DEV" + + fsid=$(read_fsid "$TEST_DEV") + metadata_uuid=$(read_metadata_uuid "$TEST_DEV") + + [ "$fsid" = "$metadata_uuid" ] || _fail "FSID and METADATA_UUID don't match" + run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal dump-super \ + "$TEST_DEV" | grep -q METADATA_UUID + [ $? -eq 1 ] || _fail "METADATA_UUID feature still shown as enabled" +} + +function check_image_restore { + local metadata_uuid + local fsid + local fsid_restored + local metadata_uuid_restored + + echo "TESTING btrfs-image restore" >> "$RESULTS" + run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV" + run_check $SUDO_HELPER "$TOP/btrfstune" -m "$TEST_DEV" + fsid=$(read_fsid "$TEST_DEV") + metadata_uuid=$(read_metadata_uuid "$TEST_DEV") + run_mayfail $SUDO_HELPER "$TOP/btrfs-image" "$TEST_DEV" /tmp/test-img.dump + # erase the fs by creating a new one, wipefs is not sufficient as it just + # deletes the fs magic string + run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV" + run_check $SUDO_HELPER "$TOP/btrfs-image" -r /tmp/test-img.dump "$TEST_DEV" + fsid_restored=$(read_fsid "$TEST_DEV") + metadata_uuid_restored=$(read_metadata_uuid "$TEST_DEV") + + [ "$fsid" = "$fsid_restored" ] || _faild "FSID don't match after restore" + [ "$metadata_uuid" = "$metadata_uuid_restored" ] || _faild "metadata uuids don't match after restore" +} + +run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV" +check_btrfstune + +run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV" +check_dump_super_output + +run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV" +check_image_restore -- 2.7.4