dotfiles/users/_common/nix_modules/ssh-key.nix
RingOfStorms (Joshua Bell) 57090ccde1 SSH updates
2024-04-25 10:47:21 -05:00

30 lines
1 KiB
Nix

{ settings, pkgs, ... }:
let
sshScript = pkgs.writeScript "ssh-key-generation" ''
#!${pkgs.stdenv.shell}
if [ ! -f /home/${settings.user.username}/.ssh/id_ed25519]; then
if [ -v DRY_RUN ]; then
echo "DRY_RUN is set. Would generate SSH key for ${settings.user.username}."
else
echo "Generating SSH key for ${settings.user.username}."
mkdir -p /home/${settings.user.username}/.ssh
chmod 700 /home/${settings.user.username}/.ssh
/run/current-system/sw/bin/ssh-keygen -t ed25519 -f /home/${settings.user.username}/.ssh/id_ed25519-N ""
fi
else
echo "SSH key already exists for ${settings.user.username}."
fi
'';
in
{
# Ensure SSH key pair generation for non-root users
systemd.services.generate_ssh_key = {
description = "Generate SSH key pair for ${settings.user.username}";
wantedBy = [ "multi-user.target" ];
serviceConfig = {
User = "${settings.user.username}";
Type = "oneshot";
ExecStart = sshScript;
};
};
}