infra/nix/os/snippets/k3s-w-nix-snapshotter.nix

41 lines
969 B
Nix

# experiment with k3s, nix-snapshotter, and nixos images
{
nodeFlake,
nodeFlakeInputs',
pkgs,
lib,
system,
...
}: {
# (1) Import nixos module.
imports = [
nodeFlake.inputs.nix-snapshotter.nixosModules.default
];
# (2) Add overlay.
nixpkgs.overlays = [nodeFlake.inputs.nix-snapshotter.overlays.default];
# (3) Enable service.
virtualisation.containerd = {
enable = true;
k3sIntegration = false;
nixSnapshotterIntegration = true;
# TODO: understand if this has an influence on the systemd LoadCredential issue
settings.plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options.SystemdCgroup = lib.mkForce true;
};
services.nix-snapshotter = {
enable = true;
};
# (4) Add a containerd CLI like nerdctl.
environment.systemPackages = [
pkgs.nerdctl
nodeFlake.inputs.nix-snapshotter.packages.${system}.default
];
services.k3s = {
enable = false;
setKubeConfig = true;
};
}