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iotests: always use a unique sub-directory per test 

The current test runner is only safe against parallel execution within
a single instance of the 'check' process, and only if -j is given a
value greater than 2. This prevents running multiple copies of the
'check' process for different test scenarios.

This change switches the output / socket directories to always include
the test name, image format and image protocol. This should allow full
parallelism of all distinct test scenarios. eg running both qcow2 and
raw tests at the same time, or both file and nbd tests at the same
time.

It would be possible to allow for parallelism of the same test scenario
by including the pid, but that would potentially let many directories
accumulate over time on failures, so is not done.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Hanna Czenczek <hreitz@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230303160727.3977246-7-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230315174331.2959-24-alex.bennee@linaro.org>
master
Daniel P. Berrangé 2023-03-15 17:43:22 +00:00 committed by Alex Bennée
parent cb845eaa88
commit 5ba7db0938
1 changed files with 10 additions and 10 deletions
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20
tests/qemu-iotests/testrunner.py
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@ -228,13 +228,11 @@ class TestRunner(ContextManager['TestRunner']):
return f'{test}.out'
def do_run_test(self, test: str, mp: bool) -> TestResult:
def do_run_test(self, test: str) -> TestResult:
"""
Run one test
:param test: test file path
:param mp: if true, we are in a multiprocessing environment, use
personal subdirectories for test run
Note: this method may be called from subprocess, so it does not
change ``self`` object in any way!
@ -257,12 +255,14 @@ class TestRunner(ContextManager['TestRunner']):
args = [str(f_test.resolve())]
env = self.env.prepare_subprocess(args)
if mp:
# Split test directories, so that tests running in parallel don't
# break each other.
for d in ['TEST_DIR', 'SOCK_DIR']:
env[d] = os.path.join(env[d], f_test.name)
Path(env[d]).mkdir(parents=True, exist_ok=True)
# Split test directories, so that tests running in parallel don't
# break each other.
for d in ['TEST_DIR', 'SOCK_DIR']:
env[d] = os.path.join(
env[d],
f"{self.env.imgfmt}-{self.env.imgproto}-{f_test.name}")
Path(env[d]).mkdir(parents=True, exist_ok=True)
test_dir = env['TEST_DIR']
f_bad = Path(test_dir, f_test.name + '.out.bad')
@ -347,7 +347,7 @@ class TestRunner(ContextManager['TestRunner']):
testname = os.path.basename(test)
print(f'# running {self.env.imgfmt} {testname}')
res = self.do_run_test(test, mp)
res = self.do_run_test(test)
end = datetime.datetime.now().strftime('%H:%M:%S')
self.test_print_one_line(test=test,