nixpkgs/nixos/modules/virtualisation/oci-image.nix
2023-09-21 22:57:38 +01:00

50 lines
1.4 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.oci;
in
{
imports = [ ./oci-common.nix ];
config = {
system.build.OCIImage = import ../../lib/make-disk-image.nix {
inherit config lib pkgs;
name = "oci-image";
configFile = ./oci-config-user.nix;
format = "qcow2";
diskSize = 8192;
partitionTableType = if cfg.efi then "efi" else "legacy";
};
systemd.services.fetch-ssh-keys = {
description = "Fetch authorized_keys for root user";
wantedBy = [ "sshd.service" ];
before = [ "sshd.service" ];
after = [ "network-online.target" ];
wants = [ "network-online.target" ];
path = [ pkgs.coreutils pkgs.curl ];
script = ''
mkdir -m 0700 -p /root/.ssh
if [ -f /root/.ssh/authorized_keys ]; then
echo "Authorized keys have already been downloaded"
else
echo "Downloading authorized keys from Instance Metadata Service v2"
curl -s -S -L \
-H "Authorization: Bearer Oracle" \
-o /root/.ssh/authorized_keys \
http://169.254.169.254/opc/v2/instance/metadata/ssh_authorized_keys
chmod 600 /root/.ssh/authorized_keys
fi
'';
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
StandardError = "journal+console";
StandardOutput = "journal+console";
};
};
};
}