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tempest: Make concurrency configurable with a sane default. #1144

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Oct 1, 2023
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tempest: Make concurrency configurable with a sane default. #1144

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10 changes: 10 additions & 0 deletions zaza/openstack/charm_tests/tempest/tests.py
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,16 @@ def run(self):
tempest_options.extend(
['--exclude-regex',
' '.join([reg for reg in config.get('exclude-regex')])])
# Tempest will by default run with a concurrency matching the
# number of cores on the test runner.
#
# When running on a workstation, it is likely that the default
# concurrency will be too high for the scale of deployed workload.
#
# Make concurrency configurable with a sane default.
tempest_options.extend(
['--concurrency',
str(config.get('concurrency', min(os.cpu_count(), 4)))])
with tempfile.TemporaryDirectory() as tmpdirname:
if config.get('include-list'):
include_file = os.path.join(tmpdirname, 'include.cfg')
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