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iotests: Make nbd-fault-injector flush

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When closing a connection, make the nbd-fault-injector flush the socket.
Without this, the output is a bit unreliable with Python 3.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20181022135307.14398-2-mreitz@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Max Reitz 2018-10-22 14:52:59 +01:00 committed by Eduardo Habkost
parent bb2e16e90b
commit 6d39db96d2
2 changed files with 10 additions and 0 deletions
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9
tests/qemu-iotests/083.out
View file

@ -41,6 +41,7 @@ can't open device nbd+tcp://127.0.0.1:PORT/foo
=== Check disconnect after neg2 ===
Unable to read from socket: Connection reset by peer
Connection closed
read failed: Input/output error
@ -54,6 +55,7 @@ can't open device nbd+tcp://127.0.0.1:PORT/foo
=== Check disconnect before request ===
Unable to read from socket: Connection reset by peer
Connection closed
read failed: Input/output error
@ -116,6 +118,7 @@ can't open device nbd+tcp://127.0.0.1:PORT/
=== Check disconnect after neg-classic ===
Unable to read from socket: Connection reset by peer
Connection closed
read failed: Input/output error
@ -161,6 +164,8 @@ can't open device nbd+unix:///foo?socket=TEST_DIR/nbd.sock
=== Check disconnect after neg2 ===
Unable to read from socket: Connection reset by peer
Connection closed
read failed: Input/output error
=== Check disconnect 8 neg2 ===
@ -173,6 +178,8 @@ can't open device nbd+unix:///foo?socket=TEST_DIR/nbd.sock
=== Check disconnect before request ===
Unable to read from socket: Connection reset by peer
Connection closed
read failed: Input/output error
=== Check disconnect after request ===
@ -234,6 +241,8 @@ can't open device nbd+unix:///?socket=TEST_DIR/nbd.sock
=== Check disconnect after neg-classic ===
Unable to read from socket: Connection reset by peer
Connection closed
read failed: Input/output error
*** done

1
tests/qemu-iotests/nbd-fault-injector.py
View file

@ -112,6 +112,7 @@ def check(self, event, io, bufsize=None):
if rule.match(event, io):
if rule.when == 0 or bufsize is None:
print('Closing connection on rule match %s' % rule.name)
self.sock.flush()
sys.exit(0)
if rule.when != -1:
return rule.when