[debops-users] multiple pki for one debops project possible?

Hi all, until I do a further research how to achieve this: Can anybody tell me if it's possible to handle multiple different PKI with different root ca inside one debops project? The situation: We admin multiple servers of different customers. Since many of them are very similar we think about to manage them all in one project in different host groups. But the condition would be to have separate ca's. Thanks and kind regards Jan