nix-dotfiles/systems/palatine-hill/postgresql.nix

{
  config,
  lib,
  pkgs,
  ...
}:

#  sudo -u postgres vacuumdb --all --analyze-in-stages
#  /var/lib/postgresql/16/delete_old_cluster.sh
let
  vars = import ./vars.nix;
  dataDir = "${vars.primary_db}/postgresql/nix/${config.services.postgresql.package.psqlSchema}";
  backupLocation = "${vars.primary_db}/postgresql/nix_backups";
in
{
  services = {
    postgresql = {
      inherit dataDir;
      enable = true;
      enableJIT = true;
      package = pkgs.postgresql_16;
      enableAllPreloadedLibraries = true;
      configurePgStatStatements = true;
      identMap = ''
        # ArbitraryMapName systemUser DBUser
           superuser_map      root      postgres
           superuser_map      alice  postgres
           # Let other names login as themselves
           superuser_map      /^(.*)$   \1
      '';

      # initialScript = config.sops.secrets."postgres/init".path;
      ensureDatabases = [ "atticd" ];
      ensureUsers = [
        {
          name = "atticd";
          ensureDBOwnership = true;
        }
      ];

      refreshCollation = true;
      vacuumAnalyzeTimer.enable = true;
      upgrade = {
        enable = true;
        stopServices = [
          "hydra-evaluator"
          "hydra-init"
          "hydra-notify"
          "hydra-queue-runner"
          "hydra-send-stats"
          "hydra-server"
          "atticd"
        ];
      };
    };
    postgresqlBackup = {
      enable = true;
      compression = "zstd";
      compressionLevel = 19;
      pgdumpOptions = "--create --clean";
      location = backupLocation;
    };
  };
}