When a Debian cloud VM boots, it typically runs cloud-init at various points in the boot process. Each invocation can perform certain operations based on the host’s static configuration passed by the user, typically either through a well known link-local network service or an attached iso9660 drive image. Some of the cloud-init steps execute before the network comes up, and others at a couple of different points after the network is up.

Did you know that the cloud team generates daily images for buster, bullseye, and sid? They’re available for download from cdimage.debian.org and are published to Amazon EC2 and Microsoft Azure. This is done both to exercise our image generation infrastructure, and also to facilitate testing of the actual images and distribution in general. I’ve often found it convenient to have easy access to a clean, up-to-date, disposable virtual machine, and you might too.

When buster was first released back in early July of last year, the cloud team was in the process of setting up some new accounts with AWS to be used for AMI publication. For various reasons, the accounts we used for pre-buster releases were considered unsuitable for use long term, and the buster release was considered to be a good logical point to make the switch. Unfortunately, issues within the bureaucracy of both SPI/Debian and AWS delayed the complete switch to the new accounts.