…AWS, Azure (and later a few other clouds), and Amutable.
One of the results of this work is the new built-in IMDS support in systemd v261. It's supposed to address the various issues we saw around the current status quo.
First of all, it puts strong focus on auto-detecting the various clouds and doing minimal abstraction over the various flavours of HTTP. For this, we just reused the existing "hwdb" infrastructure of systemd. In case you don't remember: hwdb is systemd's database for…