From cb7ebd1c9120eb03ded2334db4c41fe6a0e26b88 Mon Sep 17 00:00:00 2001
From: makefu <github@syntax-fehler.de>
Date: Sun, 15 Jan 2023 01:22:56 +0100
Subject: ma snake.r: init

---
 makefu/1systems/snake/config.nix          | 26 +++++++++++++
 makefu/1systems/snake/disk.nix            | 64 +++++++++++++++++++++++++++++++
 makefu/1systems/snake/hardware-config.nix | 21 ++++++++++
 makefu/1systems/snake/source.nix          |  7 ++++
 4 files changed, 118 insertions(+)
 create mode 100644 makefu/1systems/snake/config.nix
 create mode 100644 makefu/1systems/snake/disk.nix
 create mode 100644 makefu/1systems/snake/hardware-config.nix
 create mode 100644 makefu/1systems/snake/source.nix

(limited to 'makefu/1systems/snake')

diff --git a/makefu/1systems/snake/config.nix b/makefu/1systems/snake/config.nix
new file mode 100644
index 000000000..1c6068e98
--- /dev/null
+++ b/makefu/1systems/snake/config.nix
@@ -0,0 +1,26 @@
+{ config, lib, pkgs, ... }:
+let
+  primaryInterface = "eth0";
+in {
+  imports = [
+    <stockholm/makefu>
+    ./hardware-config.nix
+    <stockholm/makefu/2configs/home-manager>
+    <stockholm/makefu/2configs/tools/core.nix>
+    <stockholm/makefu/2configs/binary-cache/nixos.nix>
+
+    <stockholm/makefu/2configs/home/rhasspy>
+    <stockholm/makefu/2configs/home/rhasspy/led-control.nix>
+  ];
+  krebs = {
+    enable = true;
+    tinc.retiolum.enable = true;
+    build.host = config.krebs.hosts.snake;
+  };
+  # ensure disk usage is limited
+  services.journald.extraConfig = "Storage=volatile";
+  networking.firewall.trustedInterfaces = [ primaryInterface ];
+  documentation.info.enable = false;
+  documentation.man.enable = false;
+  documentation.nixos.enable = false;
+}
diff --git a/makefu/1systems/snake/disk.nix b/makefu/1systems/snake/disk.nix
new file mode 100644
index 000000000..f9e14844f
--- /dev/null
+++ b/makefu/1systems/snake/disk.nix
@@ -0,0 +1,64 @@
+{ disks ? [ "/dev/sda" ], ... }: {
+  disk = {
+    x = {
+      type = "disk";
+      device = "/dev/sda";
+      content = {
+        type = "table";
+        format = "gpt";
+        partitions = [
+          {
+            name = "boot";
+            type = "partition";
+            start = "0";
+            end = "1M";
+            part-type = "primary";
+            flags = ["bios_grub"];
+          }
+          {
+            type = "partition";
+            name = "ESP";
+            start = "1M";
+            end = "512MiB";
+            fs-type = "fat32";
+            bootable = true;
+            content = {
+              type = "filesystem";
+              format = "vfat";
+              mountpoint = "/boot";
+            };
+          }
+          {
+            type = "partition";
+            name = "zfs";
+            start = "512MiB";
+            end = "100%";
+            content = {
+              type = "zfs";
+              pool = "zroot";
+            };
+          }
+        ];
+      };
+    };
+  };
+  zpool = {
+    zroot = {
+      type = "zpool";
+      rootFsOptions.compression = "lz4";
+      mountpoint = "/";
+
+      datasets = {
+        home = {
+          zfs_type = "filesystem";
+          mountpoint = "/home";
+          options.mountpoint = "legacy";
+        };
+        reserved = {
+          zfs_type = "filesystem";
+          options.refreservation = "1G";
+        };
+      };
+    };
+  };
+}
diff --git a/makefu/1systems/snake/hardware-config.nix b/makefu/1systems/snake/hardware-config.nix
new file mode 100644
index 000000000..827c1d3eb
--- /dev/null
+++ b/makefu/1systems/snake/hardware-config.nix
@@ -0,0 +1,21 @@
+{ pkgs, lib, ... }:
+{
+  imports = [ 
+    <nixpkgs/nixos/modules/installer/scan/not-detected.nix>
+  ];
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  boot.loader.grub.efiSupport = true;
+  boot.loader.grub.device = "/dev/sda";
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "sd_mod" ];
+  boot.kernelModules = [ "kvm-amd" ];
+  disko.devices = import ./disk.nix;
+  
+  hardware.enableRedistributableFirmware = true;
+  hardware.cpu.amd.updateMicrocode = true;
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
+
+  boot.kernelParams = [ "net.ifnames=0" ];
+  networking.hostId = "0123AABB";
+}
diff --git a/makefu/1systems/snake/source.nix b/makefu/1systems/snake/source.nix
new file mode 100644
index 000000000..b9a32a2c4
--- /dev/null
+++ b/makefu/1systems/snake/source.nix
@@ -0,0 +1,7 @@
+{
+  name="cake";
+  full = true;
+  home-manager = true;
+  hw = true;
+  disko = true;
+}
-- 
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