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iotests: nbd: Stop qemu-nbd before remaking image

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197 is one example where _make_test_img is used twice without stopping
the NBD server in between. An error will occur like this:

    @@ -26,9 +26,13 @@

     === Partial final cluster ===

    +qemu-img: TEST_DIR/t.IMGFMT: Failed to get "resize" lock
    +Is another process using the image?
     Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1024
    +Failed to find an available port: Address already in use
     read 1024/1024 bytes at offset 0

Patch _make_test_img to stop the old qemu-nbd before starting a new one,
which fixes this problem, and similarly 215.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2018-07-11 14:40:46 +08:00 committed by Kevin Wolf
parent 0e1a582750
commit 2f9d4083f7
1 changed files with 15 additions and 6 deletions
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21
tests/qemu-iotests/common.rc
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@ -195,6 +195,16 @@ _use_sample_img()
fi
}
_stop_nbd_server()
{
if [ -f "${QEMU_TEST_DIR}/qemu-nbd.pid" ]; then
local QEMU_NBD_PID
read QEMU_NBD_PID < "${QEMU_TEST_DIR}/qemu-nbd.pid"
kill ${QEMU_NBD_PID}
rm -f "${QEMU_TEST_DIR}/qemu-nbd.pid"
fi
}
_make_test_img()
{
# extra qemu-img options can be added by tests
@ -234,6 +244,10 @@ _make_test_img()
extra_img_options="-o $optstr $extra_img_options"
fi
if [ $IMGPROTO = "nbd" ]; then
_stop_nbd_server
fi
# XXX(hch): have global image options?
(
if [ $use_backing = 1 ]; then
@ -274,12 +288,7 @@ _cleanup_test_img()
case "$IMGPROTO" in
nbd)
if [ -f "${QEMU_TEST_DIR}/qemu-nbd.pid" ]; then
local QEMU_NBD_PID
read QEMU_NBD_PID < "${QEMU_TEST_DIR}/qemu-nbd.pid"
kill ${QEMU_NBD_PID}
rm -f "${QEMU_TEST_DIR}/qemu-nbd.pid"
fi
_stop_nbd_server
rm -f "$TEST_IMG_FILE"
;;
vxhs)