Fediversity/server/default.nix

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{ sources ? import ../website/npins
, system ? builtins.currentSystem
, pkgs ? import sources.nixpkgs {
inherit system;
config = { };
overlays = [ ];
}
, lib ? import "${sources.nixpkgs}/lib"
}:
let
# TODO: don't hard code target hosts; wire all of it up with NixOps4
host = "vm02117.procolix.com";
deploy = pkgs.writeShellApplication {
name = "deploy-webserver";
text = ''
# HACK: decouple system evaluation from shell evaluation
# the structured way for using this hack is encoded in https://github.com/fricklerhandwerk/lazy-drv
result="$(nix-build ${toString ./.} -A machine --no-out-link --eval-store auto --store ssh-ng://${host})"
# shellcheck disable=SC2087
ssh ${host} << EOF
sudo nix-env -p /nix/var/nix/profiles/system --set "$result"
sudo "$result"/bin/switch-to-configuration switch
EOF
'';
};
nixos-configuration = config:
import "${pkgs.path}/nixos/lib/eval-config.nix" {
modules = [
config
];
system = null;
};
in
rec {
nixos = nixos-configuration ./configuration.nix;
machine = nixos.config.system.build.toplevel;
shell = pkgs.mkShellNoCC {
packages = with pkgs; [
deploy
];
env = {
# TODO: reusing other pins for now; wire up the whole repo to use the same dependencies
NPINS_DIRECTORY = toString ../website/npins;
};
};
}