A workaround idea of the "Attaching multiple IAM Roles to an EC2 instance": attach a single role which is allowed to assume all the roles that you need. Then ha

A workaround idea of the "Attaching multiple IAM Roles to an EC2 instance": attach a single role which is allowed to assume all the roles that you need. Then have a master process that have access to the instance role credentials and have that process feed/rotate the credentials of assumed roles to other processes.