nixos on watcher

hive.nix

@@ -10,6 +10,7 @@ in
   };
   defaults =
     {
+      nodes,
       name,
       pkgs,
       lib,
@@ -34,14 +35,13 @@ in
             "nixpkgs=${builtins.storePath pkgs.path}"
             "nixos=${builtins.storePath pkgs.path}"
           ];
-          channel.enable = false;
           package = pkgs.lix;
         };
         system.build.anywhere = pkgs.writeShellApplication {
           name = "anywhere-deploy_${name}.sh";
           runtimeInputs = [ pkgs.nixos-anywhere ];
           text = ''
-            nixos-anywhere --store-paths ${config.system.build.diskoScriptNoDeps} ${config.system.build.toplevel} ${config.deployment.targetHost}
+            nixos-anywhere --kexec ${nodes.kat-kexec.config.system.build.kexecTarball}/${nodes.kat-kexec.config.system.kexec-installer.name}-${pkgs.stdenv.hostPlatform.system}.tar.gz --store-paths ${config.system.build.diskoScriptNoDeps} ${config.system.build.toplevel} ${config.deployment.targetHost}
           '';
         };
       };
@@ -121,6 +121,16 @@ in
       ];
     };
 
+  kat-watcher =
+    { name, nodes, ... }:
+    {
+      deployment.targetHost = "watcher.kat";
+      imports = [
+        ./machines/kat-watcher
+        (users.root { ssh = true; })
+      ];
+    };
+
   kat-iso =
     {
       name,
@@ -155,4 +165,44 @@ in
       services.qemuGuest.enable = true;
       boot.kernelParams = [ "console=ttyS0" ];
     };
+
+  kat-kexec =
+    {
+      name,
+      pkgs,
+      modulesPath,
+      lib,
+      ...
+    }:
+    {
+      deployment = {
+        allowLocalDeployment = false;
+        targetHost = null;
+      };
+
+      imports = [
+        ("${sources.nixos-images}/nix/kexec-installer/module.nix")
+        (users.root { ssh = true; })
+      ];
+
+      networking = {
+        networkmanager.enable = false;
+        wireless.enable = false;
+      };
+      console.keyMap = "fr";
+
+      environment.systemPackages = with pkgs; [
+        perl
+        git
+      ];
+      programs.zsh.enable = true;
+      services.openssh.enable = true;
+      services.qemuGuest.enable = true;
+      boot.kernelParams = [ "console=ttyS0" ];
+      boot.kernelPackages = lib.mkForce pkgs.linuxPackages_latest;
+      boot.supportedFilesystems = {
+        bcachefs = true;
+        zfs = lib.mkForce false;
+      };
+    };
 }

machines/kat-r86s/configuration.nix

@@ -114,6 +114,10 @@
         recommendedProxySettings = true;
         proxyPass = "http://192.168.122.2/";
       };
+      "traque.katvayor.net".locations."/" = {
+        recommendedProxySettings = true;
+        proxyPass = "http://192.168.122.4/";
+      };
     };
     streamConfig = ''
       upstream kat-virt {
@@ -123,18 +127,32 @@
         listen 22000;
         proxy_pass kat-virt;
       }
+      upstream kat-traque {
+        server 192.168.122.4:22;
+      }
+      server {
+        listen 22001;
+        proxy_pass kat-virt;
+      }
     '';
   };
 
   # Open ports in the firewall.
-  networking.firewall.allowedTCPPorts = [
+  networking.firewall = {
+    allowedTCPPorts = [
       22
       53
       80
       443
-    22000
     ];
-  networking.firewall.allowedUDPPorts = [ 67 ];
+    allowedTCPPortRanges = [
+      {
+        from = 22000;
+        to = 22100;
+      }
+    ];
+    allowedUDPPorts = [ 67 ];
+  };
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;
 

machines/kat-watcher/default.nix

@@ -0,0 +1,138 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./disks.nix
+  ];
+
+  boot = {
+    loader.grub = {
+      enable = true;
+      efiSupport = true;
+      efiInstallAsRemovable = true;
+    };
+    supportedFilesystems = [ "bcachefs" ];
+    kernelPackages = pkgs.linuxPackages_latest;
+  };
+
+  time.timeZone = "Europe/Paris";
+
+  networking = {
+    useNetworkd = true;
+    useDHCP = false;
+  };
+  systemd.network = {
+    enable = true;
+    networks."10-ens3" = {
+      name = "ens3";
+      address = [
+        "51.83.69.54/32"
+        "2001:41d0:305:2100::5c52/56"
+      ];
+      routes = [
+        { Destination = "51.83.68.1/32"; }
+        {
+          Destination = "213.186.33.99/32";
+          Gateway = "51.83.68.1";
+        }
+        { Gateway = "51.83.68.1"; }
+        { Gateway = "2001:41d0:305:2100::1"; }
+      ];
+      dns = [ "213.186.33.99" ];
+    };
+  };
+
+  i18n.defaultLocale = "en_US.UTF-8";
+  console = {
+    font = "Lat2-Terminus16";
+    keyMap = "fr";
+  };
+
+  security.acme = {
+    acceptTerms = true;
+    defaults.email = "root@katvayor.net";
+  };
+  services.nginx = {
+    enable = true;
+    virtualHosts = {
+      "degette.katvayor.net" = {
+        enableACME = true;
+        forceSSL = true;
+        locations."/" = {
+          recommendedProxySettings = true;
+          proxyPass = "http://100.102.49.84/";
+        };
+      };
+      "traque.katvayor.net" = {
+        enableACME = true;
+        forceSSL = true;
+        locations."/" = {
+          recommendedProxySettings = true;
+          proxyPass = "http://100.102.49.84/";
+        };
+      };
+    };
+    streamConfig = ''
+      upstream kat-virt {
+        server 100.102.49.84:22000;
+      }
+      server {
+        listen 22000;
+        proxy_pass kat-virt;
+      }
+      upstream kat-traque {
+        server 100.102.49.84:22001;
+      }
+      server {
+        listen 22001;
+        proxy_pass kat-virt;
+      }
+    '';
+  };
+
+  services.dbus.packages = with pkgs; [ dconf ];
+
+  programs.zsh.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    wget
+    nix-search-cli
+    git
+    btop
+    ranger
+    screen
+  ];
+
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  services.openssh.enable = true;
+
+  services.netbird.enable = true;
+  networking = {
+    nftables.enable = true;
+    firewall = {
+      allowedTCPPorts = [
+        22
+        80
+        443
+      ];
+      allowedTCPPortRanges = [
+        {
+          from = 22000;
+          to = 22100;
+        }
+      ];
+    };
+  };
+
+  system.stateVersion = "23.11";
+}

machines/kat-watcher/disks.nix

@@ -0,0 +1,37 @@
+{
+  disko.devices = {
+    disk = {
+      sda = {
+        device = "/dev/sda";
+        type = "disk";
+        content = {
+          type = "gpt";
+          partitions = {
+            boot = {
+              type = "EF02";
+              size = "1M";
+              priority = 1;
+            };
+            ESP = {
+              type = "EF00";
+              size = "100M";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "bcachefs";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

machines/kat-watcher/hardware-configuration.nix

@@ -0,0 +1,31 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
+
+  boot.initrd.availableKernelModules = [
+    "ata_piix"
+    "uhci_hcd"
+    "virtio_pci"
+    "virtio_scsi"
+    "sd_mod"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.ens3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

modules/ssh.nix

@@ -10,7 +10,7 @@
       };
 
       "watcher.kat" = {
-        user = "ubuntu";
+        user = "root";
         hostname = "watcher.katvayor.net";
       };
       "r86s.kat" = {

npins/sources.json

@@ -8,9 +8,9 @@
         "repo": "agenix"
       },
       "branch": "main",
-      "revision": "c2fc0762bbe8feb06a2e59a364fa81b3a57671c9",
-      "url": "https://github.com/ryantm/agenix/archive/c2fc0762bbe8feb06a2e59a364fa81b3a57671c9.tar.gz",
-      "hash": "1lpkwinlax40b7xgzspbkm9rsi4a1x48hxhixnni4irxxwnav0ah"
+      "revision": "3a56735779db467538fb2e577eda28a9daacaca6",
+      "url": "https://github.com/ryantm/agenix/archive/3a56735779db467538fb2e577eda28a9daacaca6.tar.gz",
+      "hash": "1h66zapc6im07k3kcgvhy3lhzahb70vd6m2ijhz4i0v6mn5l3fk9"
     },
     "disko": {
       "type": "GitRelease",
@@ -35,15 +35,27 @@
         "repo": "home-manager"
       },
       "branch": "master",
-      "revision": "0eb314b4f0ba337e88123e0b1e57ef58346aafd9",
-      "url": "https://github.com/nix-community/home-manager/archive/0eb314b4f0ba337e88123e0b1e57ef58346aafd9.tar.gz",
-      "hash": "1fwcxx8ilkih855g2dk9n9wvhizkxy1r16x414n3rchqg8knybhw"
+      "revision": "0a7ffb28e5df5844d0e8039c9833d7075cdee792",
+      "url": "https://github.com/nix-community/home-manager/archive/0a7ffb28e5df5844d0e8039c9833d7075cdee792.tar.gz",
+      "hash": "1qd5sdpgpadd0972gmngjl0gf96h4cz0xvmv0186pgj6xgzc7amh"
+    },
+    "nixos-images": {
+      "type": "Git",
+      "repository": {
+        "type": "GitHub",
+        "owner": "nix-community",
+        "repo": "nixos-images"
+      },
+      "branch": "main",
+      "revision": "42b13bbd6fce3bcf6272a6ed664a23b9417b82c2",
+      "url": "https://github.com/nix-community/nixos-images/archive/42b13bbd6fce3bcf6272a6ed664a23b9417b82c2.tar.gz",
+      "hash": "1ap3z694mjbfrwa2ddqlq1sqbwqy6xrq0r68blwr53cn7nx0rn4f"
     },
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.11pre633168.6132b0f6e344/nixexprs.tar.xz",
-      "hash": "0jli5364mw57krjc9csswc3xh1bvbjcv85hf81l9gx7fcp5qkswa"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.11pre639552.e6cea36f8349/nixexprs.tar.xz",
+      "hash": "0pii8c6wlh7wc6wxwhc85nyn3pk00qi3kn3jah2agf87cbmm9qdk"
     }
   },
   "version": 3