hosts/caramel, users/hana: init

hosts/caramel/default.nix

@@ -0,0 +1,26 @@
+{ config, inputs, modules, overlays, pkgs, ... }: {
+  networking.hostName = "caramel";
+  system.stateVersion = "21.11";
+  time.timeZone = "Asia/Phnom_Penh";
+
+  age.secrets = {
+    passwd.file = ../../secrets/passwd.age;
+    wpa_conf.file = ../../secrets/wpa_conf.age;
+  };
+  imports = with modules.system; [
+    inputs.home-manager-porcupine.nixosModule
+
+    base
+    home-manager
+    input
+    nix
+    security
+
+    ./filesystem.nix
+    ./kernel.nix
+    ./networking.nix
+    ./packages.nix
+
+    ../../users/hana
+  ];
+}

hosts/caramel/filesystem.nix

@@ -0,0 +1,28 @@
+{ config, ... }:
+let
+  bind = src: {
+    depends = [ "/nix" ];
+    device = src;
+    fsType = "none";
+    neededForBoot = true;
+    options = [ "bind" ];
+  };
+in {
+  fileSystems = {
+    "/" = {
+      device = "rootfs";
+      fsType = "tmpfs";
+      options = [ "defaults" "size=2G" "mode=755" ];
+    };
+
+    "/nix" = {
+      device = "/dev/disk/by-label/NIXOS_SD";
+      fsType = "ext4";
+      options = [ "defaults" "noatime" ];
+    };
+
+    "/var/persist" = bind "/nix/persist";
+    "/var/log/journal" = bind "/nix/persist/journal";
+    "/boot" = bind "/nix/persist/boot";
+  };
+}

hosts/caramel/kernel.nix

@@ -0,0 +1,11 @@
+{ config, inputs, pkgs, ... }: {
+  imports = [
+    inputs.nixos-hardware.nixosModules.raspberry-pi-4
+  ];
+  hardware.raspberry-pi."4".fkms-3d.enable = true;
+
+  boot.kernel.sysctl = {
+    "kernel.core_pattern" = "|/bin/false";
+    "kernel.sysrq" = 1;
+  };
+}

hosts/caramel/networking.nix

@@ -0,0 +1,28 @@
+{ config, ... }: {
+  environment.etc."wpa_supplicant.conf".source = config.age.secrets.wpa_conf.path;
+  networking = {
+    wireless = {
+      enable = true;
+      interfaces = [ "wlan0" ];
+    };
+
+    useDHCP = false;
+    interfaces.wlan0.useDHCP = false;
+
+    interfaces.wlan0.ipv4.addresses = [{
+      address = "192.168.100.15";
+      prefixLength = 24;
+    }];
+    defaultGateway = "192.168.100.1";
+    nameservers = [ "8.8.8.8" ];
+
+    extraHosts = ''
+      192.168.100.10 strawberry
+      192.168.100.11 peach
+      192.168.100.12 butterfly
+      192.168.100.13 winter
+      192.168.100.13 blossom
+      192.168.100.14 apricot
+    '';
+  };
+}

hosts/caramel/packages.nix

@@ -0,0 +1,12 @@
+{ pkgs, ... }: {
+  environment.systemPackages = with pkgs; [
+    git
+    htop
+    jq
+    neovim
+    rsync
+    sshfs
+    wget
+  ];
+  environment.variables.EDITOR = "nvim";
+}