configuration/common/programs.nix

@@ -10,6 +10,7 @@
     colmena
     vim
     agenix
+    nixos-firewall-tool
     nixfiles-system-upgrade
   ];
 

flake.lock

@@ -186,11 +186,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1702245580,
-        "narHash": "sha256-tTVRB42Ljo2uWGP7ei5h5/qQjOsdXoz0GHRy9hrVrdw=",
+        "lastModified": 1701656485,
+        "narHash": "sha256-xDFormrGCKKGqngHa2Bz1GTeKlFMMjLnHhTDRdMJ1hs=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "030edbb68e69f2b97231479f98a9597024650df2",
+        "rev": "fa194fc484fd7270ab324bb985593f71102e84d1",
         "type": "github"
       },
       "original": {
@@ -218,11 +218,11 @@
     },
     "nixpkgs-krypton": {
       "locked": {
-        "lastModified": 1702151865,
-        "narHash": "sha256-9VAt19t6yQa7pHZLDbil/QctAgVsA66DLnzdRGqDisg=",
+        "lastModified": 1701718080,
+        "narHash": "sha256-6ovz0pG76dE0P170pmmZex1wWcQoeiomUZGggfH9XPs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "666fc80e7b2afb570462423cb0e1cf1a3a34fedd",
+        "rev": "2c7f3c0fb7c08a0814627611d9d7d45ab6d75335",
         "type": "github"
       },
       "original": {
@@ -234,11 +234,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1702151865,
-        "narHash": "sha256-9VAt19t6yQa7pHZLDbil/QctAgVsA66DLnzdRGqDisg=",
+        "lastModified": 1701718080,
+        "narHash": "sha256-6ovz0pG76dE0P170pmmZex1wWcQoeiomUZGggfH9XPs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "666fc80e7b2afb570462423cb0e1cf1a3a34fedd",
+        "rev": "2c7f3c0fb7c08a0814627611d9d7d45ab6d75335",
         "type": "github"
       },
       "original": {

flake.nix

@@ -26,8 +26,7 @@
     };
   };
   outputs = { self, agenix, nixpkgs, nixos-hardware, chaosevents, fernglas, nixos-exporter, solid-xmpp-alarm, ... }@inputs: let
-    lib = import ./lib inputs;
-    helper = lib.flake-helper;
+    helper = (import ./lib/flake-helper.nix) inputs;
   in {
     clerie.hosts = {
       aluminium = {
@@ -117,6 +116,7 @@
         nixfiles-system-upgrade
         nixfiles-updated-inputs
         nixfiles-update-ssh-host-keys
+        nixos-firewall-tool
         pyexcel-xlsx
         pyexcel-webio
         update-from-hydra

lib/default.nix

@@ -1,20 +0,0 @@
-inputs:
-
-let
-
-  callLibs = file: import file ({
-    inherit lib inputs;
-  } // inputs);
-
-  lib = {
-    flake-helper = callLibs ./flake-helper.nix;
-    inherit ("flake-helper")
-      generateNixosSystem
-      mapToNixosConfigurations
-      generateColmenaHost
-      mapToColmenaHosts
-      buildHosts;
-  };
-
-in
-  lib

modules/nixfiles/nixfiles-system-upgrade.nix

@@ -25,7 +25,7 @@ in
 
       serviceConfig = {
         Type = "oneshot";
-        ExecStart = pkgs.nixfiles-system-upgrade + "/bin/nixfiles-system-upgrade --no-confirm${optionalString cfg.allowReboot " --allow-reboot"}${optionalString (config.clerie.monitoring.enable) " --node-exporter-metrics-path /var/lib/prometheus-node-exporter/textfiles/nixfiles-system-upgrade.prom"}";
+        ExecStart = pkgs.nixfiles-system-upgrade + "/bin/nixfiles-system-upgrade --no-confirm${optionalString cfg.allowReboot " --allow-reboot"}";
       };
     };
     systemd.timers.nixfiles-system-auto-upgrade = {

pkgs/nixfiles/nixfiles-system-upgrade.sh

@@ -4,7 +4,6 @@ set -euo pipefail
 
 ALLOW_REBOOT=
 NO_CONFIRM=
-NODE_EXPORTER_METRICS_PATH=
 
 while [[ $# -gt 0 ]]; do
 	case $1 in
@@ -16,11 +15,6 @@ while [[ $# -gt 0 ]]; do
 			NO_CONFIRM=1
 			shift
 		;;
-		--node-exporter-metrics-path)
-			NODE_EXPORTER_METRICS_PATH=$2
-			shift
-			shift
-		;;
 		*)
 			echo "Unknown option $1"
 			exit 1
@@ -53,11 +47,6 @@ nix-env -p "/nix/var/nix/profiles/system" --set "${STORE_PATH}"
 echo "Set as boot target"
 /nix/var/nix/profiles/system/bin/switch-to-configuration boot
 
-if [[ -n "$NODE_EXPORTER_METRICS_PATH" ]]; then
-	echo "Write monitoring check data"
-	echo "nixfiles_system_upgrade_last_check $(date +%s)" > "$NODE_EXPORTER_METRICS_PATH"
-fi
-
 BOOTED_SYSTEM_KERNEL="$(readlink /run/booted-system/{initrd,kernel,kernel-modules})"
 ACTIVATING_SYSTEM_KERNEL="$(readlink /nix/var/nix/profiles/system/{initrd,kernel,kernel-modules})"
 

pkgs/nixos-firewall-tool/default.nix

@@ -0,0 +1,10 @@
+{ pkgs, ... }:
+
+pkgs.writeShellApplication {
+  name = "nixos-firewall-tool";
+  text = builtins.readFile ./nixos-firewall-tool.sh;
+  runtimeInputs = with pkgs; [
+    iptables
+  ];
+}
+

pkgs/nixos-firewall-tool/nixos-firewall-tool.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+ip46tables() {
+  iptables -w "$@"
+  ip6tables -w "$@"
+
+}
+
+show_help() {
+    echo "nixos-firewall-tool"
+    echo ""
+    echo "Can temporarily manipulate the NixOS firewall"
+    echo ""
+    echo "Open TCP port:"
+    echo " nixos-firewall-tool open tcp 8888"
+    echo ""
+    echo "Show all firewall rules:"
+    echo " nixos-firewall-tool show"
+    echo ""
+    echo "Open UDP port:"
+    echo " nixos-firewall-tool open udp 51820"
+    echo ""
+    echo "Reset firewall configuration to system settings:"
+    echo " nixos-firewall-tool reset"
+}
+
+if [[ -z ${1+x} ]]; then
+  show_help
+  exit 1
+fi
+
+case $1 in
+  "open")
+    protocol="$2"
+    port="$3"
+
+    ip46tables -I nixos-fw -p "$protocol" --dport "$port" -j nixos-fw-accept
+  ;;
+  "show")
+    ip46tables --numeric --list nixos-fw
+  ;;
+  "reset")
+    systemctl restart firewall.service
+  ;;
+  -h|--help|help)
+    show_help
+    exit 0
+  ;;
+  *)
+    show_help
+    exit 1
+  ;;
+esac

pkgs/overlay.nix

@@ -9,6 +9,7 @@ final: prev: {
   nixfiles-system-upgrade = final.callPackage ./nixfiles/nixfiles-system-upgrade.nix {};
   nixfiles-updated-inputs = final.callPackage ./nixfiles/nixfiles-updated-inputs.nix {};
   nixfiles-update-ssh-host-keys = final.callPackage ./nixfiles/nixfiles-update-ssh-host-keys.nix {};
+  nixos-firewall-tool = final.callPackage ./nixos-firewall-tool {};
   pyexcel-xlsx = final.python3.pkgs.callPackage ./pyexcel-xlsx {};
   pyexcel-webio = final.python3.pkgs.callPackage ./pyexcel-webio {};
   update-from-hydra = final.callPackage ./update-from-hydra {};