add new host bemmer

deploy.sh

@@ -11,12 +11,16 @@ then
 fi
 
 mode="${1:-switch}"
-host="nuc"
-target="nuc@nuc.c3h"
-#host="${2:-nuc}"
-#target="${3:-$host.c3h}"
+host="${2:-nuc}"
+target="${3:-$host.c3h}"
+
+echo "deploying $host to $target"
+sleep 1
 
 sources=$(nix-build nix/sources-dir.nix --no-out-link)
 
 set -x
-nixos-rebuild "$mode" --target-host "$target" --use-remote-sudo -I $sources -I "nixos-config=$PWD/hosts/$host/configuration.nix"
+system_drv=$(nix-instantiate "<nixpkgs/nixos>" -I $sources -I "nixos-config=$PWD/hosts/$host/configuration.nix" | head -n1)
+nix-copy-closure --to $target $system_drv
+system=$(ssh $target "nix-store --realise $system_drv")
+ssh $target "sudo nix-env -p /nix/var/nix/profiles/system -i $system && sudo /nix/var/nix/profiles/system/bin/switch-to-configuration $mode"

hosts/bemmer/configuration.nix

@@ -0,0 +1,43 @@
+{ modulesPath, lib, pkgs, ... }:
+
+{
+  imports = [
+    (modulesPath + "/installer/sd-card/sd-image-aarch64.nix")
+    <nixos-hardware/raspberry-pi/4>
+    ../../common
+
+    # services
+    ../../shared-services/pulseaudio.nix
+    #../../shared-services/nfs-server.nix
+    ../../shared-services/mpd.nix
+    ../../shared-services/ympd.nix
+    ../../shared-services/spotifyd.nix
+    ../../shared-services/desktop.nix
+    ../../shared-services/vnc.nix
+    ../../shared-services/webserver.nix
+  ];
+  users.users.c3h = {
+    isNormalUser = true;
+    password = "c3h";
+    extraGroups = [ "wheel" ];
+    packages = with pkgs; [ chromium firefox mpv youtube-dl ];
+  };
+
+  networking.hostName = "bemmer";
+  networking.domain = "c3h";
+
+  networking.useDHCP = true;
+
+  nixpkgs.system = "aarch64-linux";
+  boot.initrd.availableKernelModules = lib.mkForce [ "vc4" "i2c_bcm2835" ];
+  boot.supportedFilesystems = lib.mkForce [ "ext4" "vfat" ];
+  boot.kernelPackages = pkgs.linuxPackages_rpi4;
+  documentation.enable = false;
+
+  hardware.raspberry-pi."4" = {
+    fkms-3d.enable = true;
+    #audio.enable = true;
+  };
+
+  system.stateVersion = "21.05";
+}

hosts/nuc/configuration.nix

@@ -3,17 +3,18 @@
 {
   imports = [
     ./hardware-configuration.nix
+    <nixos-hardware/common/cpu/intel>
     ../../common
 
     # services
-    ./pulseaudio.nix
-    ./nfs-server.nix
-    ./mpd.nix
-    ./ympd.nix
-    ./spotifyd.nix
-    ./desktop.nix
-    ./vnc.nix
-    ./webserver.nix
+    ../../shared-services/pulseaudio.nix
+    ../../shared-services/nfs-server.nix
+    ../../shared-services/mpd.nix
+    ../../shared-services/ympd.nix
+    ../../shared-services/spotifyd.nix
+    ../../shared-services/desktop.nix
+    ../../shared-services/vnc.nix
+    ../../shared-services/webserver.nix
   ];
 
   networking.hostName = "nuc";

nix/sources.json

@@ -11,16 +11,28 @@
         "url": "https://github.com/nmattia/niv/archive/e0ca65c81a2d7a4d82a189f1e23a48d59ad42070.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
+    "nixos-hardware": {
+        "branch": "master",
+        "description": "A collection of NixOS modules covering hardware quirks.",
+        "homepage": "",
+        "owner": "NixOS",
+        "repo": "nixos-hardware",
+        "rev": "3aabf78bfcae62f5f99474f2ebbbe418f1c6e54f",
+        "sha256": "10g240brgjz7qi20adwajxwqrqb5zxc79ii1mc20fasgqlf2a8sx",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixos-hardware/archive/3aabf78bfcae62f5f99474f2ebbbe418f1c6e54f.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    },
     "nixpkgs": {
-        "branch": "nixos-21.05",
+        "branch": "nixos-unstable",
         "description": "Nix Packages collection",
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "70904d4a9927a4d6e05c72c4aaac4370e05107f3",
-        "sha256": "08vvir0npyrdx85ypiannwzvyryqdw3749bghffhdsq2dgz1cx8z",
+        "rev": "34ad3ffe08adfca17fcb4e4a47bb5f3b113687be",
+        "sha256": "02li241rz5668nfyp88zfjilxf0mr9yansa93fbl38hjwkhf3ix6",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/70904d4a9927a4d6e05c72c4aaac4370e05107f3.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/34ad3ffe08adfca17fcb4e4a47bb5f3b113687be.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }

shared-services/pulseaudio.nix

@@ -8,4 +8,5 @@
   hardware.pulseaudio.package = pkgs.pulseaudio;
   hardware.pulseaudio.tcp.enable = true;
   hardware.pulseaudio.tcp.anonymousClients.allowedIpRanges = [ "127.0.0.0/8" "::/64" "10.23.42.0/24" ];
+  environment.variables.PULSE_SERVER = "127.0.0.1";
 }