This fixes cloud-init based deployment to Proxmox for Debian, Ubuntu, and SUSE Linux Enterprise Server. Previously, deployments failed due to a newline in the echo command.
Related issues
Bug #37142: Image-based deployment on Proxmox fails due to extra newline in "remote_execution_ssh_keys" snippet
Fixes #37142 - Cloud-init breaks due to newline
This fixes cloud-init based deployment to Proxmox for Debian, Ubuntu,
and SUSE Linux Enterprise Server. Previously, deployments failed due to
a newline in the echo command.