nu: install nixos on hetzener server through rescue #2

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despiegk · 2024-01-09T05:51:05Z

despiegk commented

2024-01-09 05:51:05 +00:00

use the #1 to get partition system
install nixos on the partitions
make subvol on btrfs to host all the packages for nixos
preinstall certain packages: mc, nushell, podman ...
install predefined pub key in /root/.ssh/authorized ...
use predefined template to configure: users, ...

result

after reboot there is a now a usable nixos with predefined tempalte

- use the #1 to get partition system - install nixos on the partitions - make subvol on btrfs to host all the packages for nixos - preinstall certain packages: mc, nushell, podman ... - install predefined pub key in /root/.ssh/authorized ... - use predefined template to configure: users, ... ## result - after reboot there is a now a usable nixos with predefined tempalte

maxux was assigned by despiegk

2024-01-09 05:51:15 +00:00

despiegk added this to the bootstrap1 project 2024-01-09 05:57:35 +00:00

maxux commented

2024-01-26 04:47:04 +00:00

Full code here for now: https://github.com/maxux/hetzdemo
Live demo: https://asciinema.org/a/B4c674NihA3tyxp8XwV6utcgo

Workflow:

Login to Hetzner API
List machine and select single machine from name (set via argument)
Put the server into rescue mode
Reboot the machine
Wait for SSH to be ready, using the password from API call
Upload the deployment binary
- This binary is the same as the prepare binary, it's all bundle in the same app
Execute that binary on the remote machine
Doing all the disks stuff
Installing NixOS, with custom configuration
Cleanup
Reboot
NixOS ready with custom ssh key

The prepare stage needs two environment variables (hetzner_user and hetzner_pass) to authenticate.

Missing:

mc, nushell... this can be added to the template here: https://github.com/maxux/hetzdemo/blob/master/vserver/vserver.v#L200
Disk layout is not set on Nix level (/boot and extra partitions) AFAIK, need to check how that works in Nix

Extending:

Please configure NixOS using /etc/nixos/threefold.nix
SSH Key is hardcoded for now: https://github.com/maxux/hetzdemo/blob/master/deployment.v#L80

Extra tip:

For some reason, right now, vssh cannot compile using tcc, you need to compile it like this: v -cc gcc deployment.v
vssh module can be found here: https://github.com/maxux/vssh
- Obviously this module needs libssh2 (libssh2-1-dev)

Full code here for now: https://github.com/maxux/hetzdemo Live demo: https://asciinema.org/a/B4c674NihA3tyxp8XwV6utcgo Workflow: - Login to Hetzner API - List machine and select single machine from name (set via argument) - Put the server into rescue mode - Reboot the machine - Wait for SSH to be ready, using the password from API call - Upload the deployment binary - This binary is the same as the prepare binary, it's all bundle in the same app - Execute that binary on the remote machine - Doing all the disks stuff - Installing NixOS, with custom configuration - Cleanup - Reboot - NixOS ready with custom ssh key The prepare stage needs two environment variables (`hetzner_user` and `hetzner_pass`) to authenticate. Missing: - mc, nushell... this can be added to the template here: https://github.com/maxux/hetzdemo/blob/master/vserver/vserver.v#L200 - Disk layout is not set on Nix level (/boot and extra partitions) AFAIK, need to check how that works in Nix Extending: - Please configure NixOS using `/etc/nixos/threefold.nix` - SSH Key is hardcoded for now: https://github.com/maxux/hetzdemo/blob/master/deployment.v#L80 Extra tip: - For some reason, right now, `vssh` cannot compile using `tcc`, you need to compile it like this: `v -cc gcc deployment.v` - `vssh` module can be found here: https://github.com/maxux/vssh - Obviously this module needs `libssh2` (`libssh2-1-dev`)

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Reference: freeflowuniverse/nu#2