Fetch credentials with ec2 provider failed with missing SSL certificate. #64
Description
Using aws_credentials_ec2 provider failed with this error
Kernel pid terminated (application_controller) ("{application_start_failure,aws_credentials,{{shutdown,{failed_to_start_child,aws_credentials,{{badmatch,{error,enoent}},[{pubkey_os_cacerts,get,0,[{file,\"pubkey_os_cacerts.erl\"},{line,38}]},{httpc,ssl_verify_host_options,1,[{file,\"httpc.erl\"},{line,476}]},{httpc,'-http_options_default/0-fun-5-',0,[{file,\"httpc.erl\"},{line,1015}]},{httpc,http_options,3,[{file,\"httpc.erl\"},{line,961}]},{httpc,handle_request,9,[{file,\"httpc.erl\"},{line,771}]},{aws_credentials_httpc,request,6,[{file,\"/app/deps/aws_credentials/src/aws_credentials_httpc.erl\"},{line,71}]},{aws_credentials_ec2,fetch_session_token,0,[{file,\"/app/deps/aws_credentials/src/aws_credentials_ec2.erl\"},{line,52}]},{aws_credentials_ec2,fetch,1,[{file,\"/app/deps/aws_credentials/src/aws_credentials_ec2.erl\"},{line,40}]}]}}},{aws_credentials_app,start,[normal,[]]}}}")
It seems the package not compatible with the restricted security constraint introduced by erlang 26. https://www.erlang.org/blog/otp-26-highlights/#ssl-safer-defaults. We miss to explicitly append SSL options to the httpc calls, and maybe find a way to pull configs.