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Retry on failures to download Arista image

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In the pre-deploy step of our neutron-arista tests we download an
Arista image from our swift bucket. It sometimes fails when our CI
system is loaded. This patch adds a tenacity retry.
This commit is contained in:
Aurelien Lourot
2020-08-29 19:15:11 +02:00
parent ae87c25cf0
commit 57c8e0d91a
1 changed files with 9 additions and 3 deletions
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12
zaza/openstack/charm_tests/neutron_arista/setup.py
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@@ -45,9 +45,15 @@ def download_arista_image():
if os.environ['TEST_ARISTA_IMAGE_REMOTE']:
logging.info('Downloading Arista image from {}'
.format(os.environ['TEST_ARISTA_IMAGE_REMOTE']))
openstack_utils.download_image(
os.environ['TEST_ARISTA_IMAGE_REMOTE'],
os.environ['TEST_ARISTA_IMAGE_LOCAL'])
for attempt in tenacity.Retrying(
stop=tenacity.stop_after_attempt(3),
reraise=True):
with attempt:
openstack_utils.download_image(
os.environ['TEST_ARISTA_IMAGE_REMOTE'],
os.environ['TEST_ARISTA_IMAGE_LOCAL'])
except KeyError:
# TEST_ARISTA_IMAGE_REMOTE isn't set, which means the image is already
# available at TEST_ARISTA_IMAGE_LOCAL