diff options
Diffstat (limited to 'tests/qemu-iotests/162')
| -rwxr-xr-x | tests/qemu-iotests/162 | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/tests/qemu-iotests/162 b/tests/qemu-iotests/162 index c7e65936ca..f8eecb325b 100755 --- a/tests/qemu-iotests/162 +++ b/tests/qemu-iotests/162 @@ -43,10 +43,21 @@ echo '=== NBD ===' $QEMU_IMG info 'json:{"driver": "nbd", "host": 42}' # And this should not treat @port as if it had not been specified -# (We cannot use localhost with an invalid port here, but we need to use a -# non-existing domain, because otherwise the error message will not contain -# the port) -$QEMU_IMG info 'json:{"driver": "nbd", "host": "does.not.exist.example.com", "port": 42}' +# (We need to set up a server here, because the error message for "Connection +# refused" does not contain the destination port) + +# Launching qemu-nbd is done in a loop: We try to set up an NBD server on some +# random port and continue until success, i.e. until we have found a port that +# is not in use yet. +while true; do + port=$((RANDOM + 32768)) + if $QEMU_NBD -p $port -f raw --fork null-co:// 2> /dev/null; then + break + fi +done + +$QEMU_IMG info "json:{'driver': 'nbd', 'host': 'localhost', 'port': $port}" \ + | grep '^image' | sed -e "s/$port/PORT/" # This is a test for NBD's bdrv_refresh_filename() implementation: It expects # either host or path to be set, but it must not assume that they are set to |