nixos-config/modules/postgresql.nix

{ pkgs, config, lib, ... }:
{
  services.postgresql = {
    enable = true;
    package = lib.mkDefault pkgs.postgresql_15;
    enableTCPIP = true;
    ensureUsers = [
      {
        name = "zbx_monitor";
        ensurePermissions = {
          "FUNCTION pg_catalog.pg_ls_dir(text)" = "EXECUTE";
          "FUNCTION pg_catalog.pg_stat_file(text)" = "EXECUTE";
          "FUNCTION pg_catalog.pg_ls_waldir()" = "EXECUTE";
        };
      }
    ];
  };

  services.postgresqlBackup = {
    enable = true;
    startAt = "*-*-* *:30:00";
    compression = "zstd";
    databases = [
      "postgres"
    ];
  };

  services.logrotate = {
    settings = {
      "${config.services.postgresqlBackup.location}/*.sql.zstd" = {
        su = "postgres postgres";
        rotate = 24;
        frequency = "hourly";
        dateext = true;
        dateformat = "_%Y-%m-%d:%H";
        extension = ".zstd";
      };
    };
  };
}

# vim: set et ts=2 sw=2 ai: