flake.lock: Update

Flake lock file updates:

• Updated input 'deploy-rs':
    'github:serokell/deploy-rs/c2ea4e642dc50fd44b537e9860ec95867af30d39' (2023-04-21)
  → 'github:serokell/deploy-rs/64160276cd6569694131ed8864d4d35470a84ec3' (2023-05-08)
• Updated input 'nix-index-database':
    'github:Mic92/nix-index-database/e3e320b19c192f40a5b98e8776e3870df62dee8a' (2023-04-25)
  → 'github:Mic92/nix-index-database/219067a5e3cf4b9581c8b4fcfc59ecd5af953d07' (2023-05-09)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/297187b30a19f147ef260abb5abd93b0706af238' (2023-04-30)
  → 'github:NixOS/nixpkgs/f431ee4a85cb985075b4ed27596913e8087f4264' (2023-05-10)

common/binary-cache.nix

@@ -4,13 +4,13 @@
   nix = {
     settings = {
       substituters = [
-        "http://s0.koi-bebop.ts.net:5000"
-        "https://nix-community.cachix.org"
         "https://cache.nixos.org/"
+        "https://nix-community.cachix.org"
+        "http://s0.koi-bebop.ts.net:5000"
       ];
       trusted-public-keys = [
-        "s0.koi-bebop.ts.net:OjbzD86YjyJZpCp9RWaQKANaflcpKhtzBMNP8I2aPUU="
         "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+        "s0.koi-bebop.ts.net:OjbzD86YjyJZpCp9RWaQKANaflcpKhtzBMNP8I2aPUU="
       ];
     };
   };

common/default.nix

@@ -12,6 +12,7 @@
     ./server
     ./pc
     ./machine-info
+    ./nix-builder.nix
     ./ssh.nix
   ];
 

common/nix-builder.nix

@@ -0,0 +1,60 @@
+{ config, lib, ... }:
+
+let
+  builderRole = "nix-builder";
+  builderUserName = "nix-builder";
+
+  machinesByRole = role: lib.filterAttrs (hostname: cfg: builtins.elem role cfg.systemRoles) config.machines.hosts;
+  otherMachinesByRole = role: lib.filterAttrs (hostname: cfg: hostname != config.networking.hostName) (machinesByRole role);
+  thisMachineHasRole = role: builtins.hasAttr config.networking.hostName (machinesByRole role);
+
+  builders = machinesByRole builderRole;
+  thisMachineIsABuilder = thisMachineHasRole builderRole;
+
+  # builders don't include themselves as a remote builder
+  otherBuilders = lib.filterAttrs (hostname: cfg: hostname != config.networking.hostName) builders;
+in
+lib.mkMerge [
+  # configure builder
+  (lib.mkIf thisMachineIsABuilder {
+    users.users.${builderUserName} = {
+      description = "Distributed Nix Build User";
+      group = builderUserName;
+      isSystemUser = true;
+      createHome = true;
+      home = "/var/lib/nix-builder";
+      useDefaultShell = true;
+      openssh.authorizedKeys.keys = builtins.map
+        (builderCfg: builderCfg.hostKey)
+        (builtins.attrValues config.machines.hosts);
+    };
+    users.groups.${builderUserName} = { };
+
+    nix.settings.trusted-users = [
+      builderUserName
+    ];
+  })
+
+  # use each builder
+  {
+    nix.distributedBuilds = true;
+
+    nix.buildMachines = builtins.map
+      (builderCfg: {
+        hostName = builtins.elemAt builderCfg.hostNames 0;
+        system = builderCfg.arch;
+        protocol = "ssh-ng";
+        sshUser = builderUserName;
+        sshKey = "/etc/ssh/ssh_host_ed25519_key";
+        maxJobs = 3;
+        speedFactor = 10;
+        supportedFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
+      })
+      (builtins.attrValues otherBuilders);
+
+    # It is very likely that the builder's internet is faster or just as fast
+    nix.extraOptions = ''
+      builders-use-substitutes = true
+    '';
+  }
+]

common/pc/default.nix

@@ -37,7 +37,6 @@ in
       mumble
       tigervnc
       bluez-tools
-      vscodium
       element-desktop
       mpv
       nextcloud-client

common/pc/vscodium.nix

@@ -4,8 +4,19 @@ let
   cfg = config.de;
 
   extensions = with pkgs.vscode-extensions; [
-    #    bbenoist.Nix # nix syntax support
+    bbenoist.nix # nix syntax support
-    #    arrterian.nix-env-selector  # nix dev envs
+    arrterian.nix-env-selector # nix dev envs
+    dart-code.dart-code
+    dart-code.flutter
+    golang.go
+    jnoortheen.nix-ide
+  ] ++ pkgs.vscode-utils.extensionsFromVscodeMarketplace [
+    {
+      name = "platformio-ide";
+      publisher = "platformio";
+      version = "3.1.1";
+      sha256 = "fwEct7Tj8bfTOLRozSZJGWoLzWRSvYz/KxcnfpO8Usg=";
+    }
   ];
 
   vscodium-with-extensions = pkgs.vscode-with-extensions.override {

common/server/mailserver.nix

@@ -56,6 +56,12 @@ in
         "damon@runyan.org"
         "jonas@runyan.org"
       ];
+      forwards = {
+        "amazon@runyan.org" = [
+          "jeremy@runyan.org"
+          "cris@runyan.org"
+        ];
+      };
       certificateScheme = 3; # use let's encrypt for certs
     };
     age.secrets.hashed-email-pw.file = ../../secrets/hashed-email-pw.age;

flake.lock

@@ -117,11 +117,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1682063650,
+        "lastModified": 1683515103,
-        "narHash": "sha256-VaDHh2z6xlnTHaONlNVHP7qEMcK5rZ8Js3sT6mKb2XY=",
+        "narHash": "sha256-vWlnZ0twW+ekOC6JuAHDfupv+u4QNvWawG7+DaQJ4VA=",
         "owner": "serokell",
         "repo": "deploy-rs",
-        "rev": "c2ea4e642dc50fd44b537e9860ec95867af30d39",
+        "rev": "64160276cd6569694131ed8864d4d35470a84ec3",
         "type": "github"
       },
       "original": {
@@ -171,11 +171,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1682417654,
+        "lastModified": 1683638468,
-        "narHash": "sha256-XtUhq1GTRzV7QebHkxjd7Z58E6lVEk6Iv1/pF/GnBB4=",
+        "narHash": "sha256-tQEaGZfZ2Hpw+XIVEHaJ8FaF1yNQyMDDhUyIQ7LTIEg=",
         "owner": "Mic92",
         "repo": "nix-index-database",
-        "rev": "e3e320b19c192f40a5b98e8776e3870df62dee8a",
+        "rev": "219067a5e3cf4b9581c8b4fcfc59ecd5af953d07",
         "type": "github"
       },
       "original": {
@@ -186,11 +186,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1682818264,
+        "lastModified": 1683741689,
-        "narHash": "sha256-EPr900C3WaYulOdWRF3BMQrjF2Ao5Jf8xUOnFvZDTXE=",
+        "narHash": "sha256-VY6gjqAFQe0Xyz+olc979zbsW9dC4VG+mINGffFKVEw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "297187b30a19f147ef260abb5abd93b0706af238",
+        "rev": "f431ee4a85cb985075b4ed27596913e8087f4264",
         "type": "github"
       },
       "original": {
@@ -218,7 +218,7 @@
     "nixpkgs-hostapd-pr": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-1rGQKcB1jeRPc1n021ulyOVkA6L6xmNYKmeqQ94+iRc=",
+        "narHash": "sha256-35+g1EJMcDFhb3UP15fyR1aD4AX1ifz2EqaYItITZ7U=",
         "type": "file",
         "url": "https://github.com/NixOS/nixpkgs/pull/222536.patch"
       },

machines/phil/properties.nix

@@ -9,6 +9,7 @@
   systemRoles = [
     "server"
     "gitea-runner"
+    "nix-builder"
   ];
 
   hostKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBlgRPpuUkZqe8/lHugRPm/m2vcN9psYhh5tENHZt9I2";