log
Used for logstore reading, the role should have log read policy, such as acs:ram::13234:role/logrole, if log_read_role_arn is not set, role_arn is used to read logstore.
Used for logstore reading, the role should have log read policy, such as acs:ram::13234:role/logrole, if log_read_role_arn is not set, role_arn is used to read logstore.