depot/cluster/catalog/services.nix

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2024-07-07 01:57:59 +03:00
{ config, lib, ... }:
let
inherit (config) cluster flake;
in
{
perSystem = { config, pkgs, ... }: {
catalog.cluster = {
services = lib.mapAttrs (name: svc: {
description = "Cluster service: ${name}";
actions = let
mkDeployAction = { description, agents }: {
inherit description;
packages = [
config.packages.cachix
pkgs.tmux
];
command = let
cachixDeployJson = pkgs.writeText "cachix-deploy.json" (builtins.toJSON {
agents = lib.genAttrs agents (name: builtins.unsafeDiscardStringContext flake.nixosConfigurations.${name}.config.system.build.toplevel);
});
in ''
set -e
echo building ${toString (lib.length agents)} configurations in parallel
tmux new-session ${lib.concatStringsSep " split-window " (
map (host: let
drvPath = builtins.unsafeDiscardStringContext flake.nixosConfigurations.${host}.config.system.build.toplevel.drvPath;
in '' 'echo building configuration for ${host}; nix build -L --no-link --store "ssh-ng://${host}" --eval-store auto "${drvPath}^*"'\; '') agents
)} select-layout even-vertical
source ~/.config/cachix/deploy
cachix deploy activate ${cachixDeployJson}
echo
'';
};
in {
deployAll = mkDeployAction {
description = "Deploy ALL groups of this service.";
agents = lib.unique (lib.concatLists (lib.attrValues svc.nodes));
};
} // lib.mapAttrs' (group: agents: {
name = "deployGroup-${group}";
value = mkDeployAction {
description = "Deploy the '${group}' group of this service.";
inherit agents;
};
}) svc.nodes;
}) cluster.config.services;
};
};
}