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Retry API call on token expiration #791

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Retry API call on token expiration #791

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25 changes: 19 additions & 6 deletions kubernetes/client/api_client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,11 @@
from datetime import date, datetime

# python 2 and python 3 compatibility library
from retry_decorator import *
from six import PY3, integer_types, iteritems, text_type
from six.moves.urllib.parse import quote

from ..config import kube_config
from . import models
from .configuration import Configuration
from .rest import ApiException, RESTClientObject
Expand Down Expand Up @@ -107,6 +109,7 @@ def user_agent(self, value):
def set_default_header(self, header_name, header_value):
self.default_headers[header_name] = header_value

@retry(ApiException, tries=2)
def __call_api(self, resource_path, method,
path_params=None, query_params=None, header_params=None,
body=None, post_params=None, files=None,
Expand Down Expand Up @@ -160,12 +163,22 @@ def __call_api(self, resource_path, method,
url = self.configuration.host + resource_path

# perform request and return response
response_data = self.request(method, url,
query_params=query_params,
headers=header_params,
post_params=post_params, body=body,
_preload_content=_preload_content,
_request_timeout=_request_timeout)
try:
response_data = self.request(method, url,
query_params=query_params,
headers=header_params,
post_params=post_params, body=body,
_preload_content=_preload_content,
_request_timeout=_request_timeout)

# doing an API call could fail due to token expiry. In this case refresh the token and try once more.
# TODO: 1) make _load_from_exec_plugin public
# 2) decide if it's generally ok to retry or if e.g. a subclass of ApiException should be used.
except ApiException as e:
if e.status == 401 or e.reason == 'Unauthorized':
kube_config.KubeConfigLoader._load_from_exec_plugin()
raise e


self.last_response = response_data

Expand Down