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Nz!Refreshing Ecs metadata API tokenz{}/{}rm)headersrurtz/Unable to get API token: %s raised exception %s) rQreryrTrwrrMr{readurlrUrrfcontents)rsecondsrequest_header token_urlres r_refresh_api_token#DataSourceAliYun._refresh_api_token/s ?33G 5666@NN4#8#8$:N:NO  }}&#77$ H   ~~  KKA9   s!BB;B66B;cURUR0nURU;aU$UR(d(UR 5UlUR(d0$UR UR0$)zReturn a dict of headers for accessing a url. If _api_token is unset on AWS, attempt to refresh the token via a PUT and then return the updated token header. )rTrQrMrrr)rrrequest_token_headers rrDataSourceAliYun._get_headersJsm  ( ($*G*G    3 &' '#557DO?? ,,doo>>rc[U[R5(a_UR(aNURS:a>URS:Xa[R S5 Ue[R S5 Ueg)aFail quickly on proper AWS if IMDSv2 rejects API token request Guidance from Amazon is that if IMDSv2 had disabled token requests by returning a 403, or cloud-init malformed requests resulting in other 40X errors, we want the datasource detection to fail quickly without retries as those symptoms will likely not be resolved by retries. 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