def get_aws_security_credentials_from_ecs()

in src/mount_efs/__init__.py [0:0]

• 18 lines of code
• 6 McCabe index (conditional complexity)

def get_aws_security_credentials_from_ecs(config, aws_creds_uri, is_fatal=False):
    ecs_uri = ECS_TASK_METADATA_API + aws_creds_uri
    ecs_unsuccessful_resp = (
        "Unsuccessful retrieval of AWS security credentials at %s." % ecs_uri
    )
    ecs_url_error_msg = (
        "Unable to reach %s to retrieve AWS security credentials. See %s for more info."
        % (ecs_uri, SECURITY_CREDS_ECS_URI_HELP_URL)
    )
    ecs_security_dict = url_request_helper(
        config, ecs_uri, ecs_unsuccessful_resp, ecs_url_error_msg
    )

    if ecs_security_dict and all(k in ecs_security_dict for k in CREDENTIALS_KEYS):
        return ecs_security_dict, "ecs:" + aws_creds_uri

    # Fail if credentials cannot be fetched from the given aws_creds_uri
    if is_fatal:
        fatal_error(ecs_unsuccessful_resp, ecs_unsuccessful_resp)
    else:
        return None, None