iotests.py: qemu_nbd_popen: remove pid file after use

To not interfere with other qemu_nbd_popen() calls in same test.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210205163720.887197-8-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2021-02-05 19:37:17 +03:00 committed by Eric Blake
parent 46bd6f8c36
commit 3f7db418d1

View File

@ -296,7 +296,9 @@ def qemu_nbd_list_log(*args: str) -> str:
@contextmanager
def qemu_nbd_popen(*args):
'''Context manager running qemu-nbd within the context'''
pid_file = file_path("pid")
pid_file = file_path("qemu_nbd_popen-nbd-pid-file")
assert not os.path.exists(pid_file)
cmd = list(qemu_nbd_args)
cmd.extend(('--persistent', '--pid-file', pid_file))
@ -314,6 +316,8 @@ def qemu_nbd_popen(*args):
time.sleep(0.01)
yield
finally:
if os.path.exists(pid_file):
os.remove(pid_file)
log('Kill NBD server')
p.kill()
p.wait()