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[PULL 22/26] tests/migration: fix unix socket migration

From: Daniel P . Berrangé
Subject: [PULL 22/26] tests/migration: fix unix socket migration
Date: Wed, 14 Jul 2021 15:08:54 +0100

From: Hyman <huangy81@chinatelecom.cn>

The test aborts and error message as the following be throwed:
"No such file or directory: '/var/tmp/qemu-migrate-{pid}.migrate",
when the unix socket migration test nearly done. The reason is
qemu removes the unix socket file after migration before
guestperf.py script do it. So pre-check if the socket file exists
when removing it to prevent the guestperf program from aborting.

See also commit f9cc00346d3 ("tests/migration: fix unix socket batch

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Signed-off-by: Hyman <huangy81@chinatelecom.cn>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
 tests/migration/guestperf/engine.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/migration/guestperf/engine.py 
index 7c991c4407..87a6ab2009 100644
--- a/tests/migration/guestperf/engine.py
+++ b/tests/migration/guestperf/engine.py
@@ -423,7 +423,7 @@ def run(self, hardware, scenario, result_dir=os.getcwd()):
             progress_history = ret[0]
             qemu_timings = ret[1]
             vcpu_timings = ret[2]
-            if uri[0:5] == "unix:":
+            if uri[0:5] == "unix:" and os.path.exists(uri[5:]):
             if os.path.exists(srcmonaddr):

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