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add a retry + sleep loop to registry calls (#1451) #1491

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merged 1 commit into from
May 30, 2019
Merged

add a retry + sleep loop to registry calls (#1451) #1491

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20 changes: 15 additions & 5 deletions core/dbt/clients/registry.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
from dbt.utils import memoized
from dbt.logger import GLOBAL_LOGGER as logger
import os
import time

if os.getenv('DBT_PACKAGE_HUB_URL'):
DEFAULT_REGISTRY_BASE_URL = os.getenv('DBT_PACKAGE_HUB_URL')
Expand All @@ -22,11 +23,20 @@ def _get_url(url, registry_base_url=None):
def _wrap_exceptions(fn):
@wraps(fn)
def wrapper(*args, **kwargs):
try:
return fn(*args, **kwargs)
except requests.exceptions.ConnectionError as e:
six.raise_from(
RegistryException('Unable to connect to registry hub'), e)
max_attempts = 5
attempt = 0
while True:
attempt += 1
try:
return fn(*args, **kwargs)
except requests.exceptions.ConnectionError as exc:
if attempt < max_attempts:
time.sleep(1)
continue
six.raise_from(
RegistryException('Unable to connect to registry hub'),
exc
)
return wrapper


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