System/Servenix: Add initial servenix system configuration

2025-07-09 00:10:50 +02:00
parent c96eea5d54
commit cb83b4f592
18 changed files with 1117 additions and 0 deletions
--- a/system/servenix/default.nix
+++ b/system/servenix/default.nix
@ -0,0 +1,113 @@
+{
+  inputs,
+  hostname,
+  lib,
+  mylib,
+  config,
+  pkgs,
+  system,
+  username,
+  headless,
+  ...
+}: {
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+
+    ../modules
+
+    # My own services
+    ../services/heidi.nix
+    ../services/formula10.nix
+    ../services/formula11.nix
+
+    # General services
+    ../services/authelia.nix
+    ../services/gitea.nix
+    ../services/gitea-runner.nix
+    ../services/immich.nix
+    ../services/jellyfin.nix
+    ../services/kopia.nix
+    ../services/nextcloud.nix
+    ../services/nginx-proxy-manager.nix
+    ../services/paperless.nix
+    ../services/portainer.nix
+    ../services/whats-up-docker.nix
+  ];
+
+  modules = {
+    network = {
+      useNetworkManager = false;
+
+      networks = {
+        "10-ether-1G" = mylib.networking.mkStaticSystemdNetwork {
+          interface = "ens18";
+          ips = ["192.168.86.25/24"];
+          routers = ["192.168.86.5"];
+          nameservers = ["192.168.86.26"];
+          routable = true;
+        };
+      };
+
+      allowedTCPPorts = [
+        53 # DNS
+        80 # HTTP
+        3000 # Gitea runner needs to reach local gitea instance
+      ];
+
+      allowedUDPPorts = [
+        53 # DNS
+        67 # DHCP
+        3000 # Gitea runner needs to reach local gitea instance
+      ];
+    };
+  };
+
+  networking.firewall.trustedInterfaces = ["docker0" "podman0"];
+
+  systemd.services.init-behind-nginx-docker-network = {
+    description = "Create a docker network bridge for all services behind nginx-proxy-manager.";
+    after = ["network.target"];
+    wantedBy = ["multi-user.target"];
+
+    serviceConfig.Type = "oneshot";
+    script = let
+      cli = "${config.virtualisation.docker.package}/bin/docker";
+      network = "behind-nginx";
+    in ''
+      # Put a true at the end to prevent getting non-zero return code, which will
+      # crash the whole service.
+      check=$(${cli} network ls | grep ${network} || true)
+      if [ -z "$check" ]; then
+        # TODO: Disable IP masquerading to show individual containers in AdGuard/Pi-Hole
+        #       - Disabling this prevents containers from having internet connection. DNS issue?
+        # ${cli} network create -o "com.docker.network.bridge.enable_ip_masquerade"="false" ${network}
+
+        # ${cli} network create --ipv6 --gateway="2000::1" --subnet="2000::/80" ${network}
+        ${cli} network create ${network}
+      else
+        echo "${network} already exists in docker"
+      fi
+    '';
+  };
+
+  # List services that you want to enable:
+  services = {
+    # Configure keymap in X11
+    xserver = {
+      layout = "us";
+      xkbVariant = "altgr-intl";
+      videoDrivers = ["nvidia"];
+    };
+
+    qemuGuest.enable = true;
+  };
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "23.05"; # Did you read the comment?
+}