The support of (user) meta-data injection will be significantly enhanced on July 25. This allows to have more flexibility to customize and configure generic cloud images on their first boot in Open Telekom Cloud.
File injections for passwords and hostnames have been replaced to leverage the new mechanism, so file injections no longer happen unless explicitly requested by the user. Our public images have been adjusted to accept the meta data from the meta data server.
This results in a small change on Linux and some more significant changes for Windows VMs; this document describes both how the user experience changes as well as how customers need to adapt their images if they are using private images rather than the public images provided by OTC. Running or rebooted VMs are not affected by this change; the meta-data injection only happens on the first boot of a newly created VM.
During the change deployment, there is a time window (Mon, Jul 25 16:00 to 18:30 CEST max), where newly deployed VMs may receive inconsistent meta data or may not be able to reach the meta data server at all, resulting in VMs that have no keys, password, hostname or other customer data injected resulting in the user not being able to log in to those VMs.