Add definition for amd-legacy-hexcore

This is merged between the existing sync system and the existing
nixos-anywhere definition for amd-legacy-hexcore. I'm going to attempt
to bring in a new pattern.

host/nocix/amd-legacy-hexcore/configuration.nix

@@ -0,0 +1,33 @@
+{
+	modulesPath,
+	lib,
+	pkgs,
+	...
+} @ args:
+{
+	imports = [
+		(modulesPath + "/installer/scan/not-detected.nix")
+		(modulesPath + "/profiles/qemu-guest.nix")
+		./disk-config.nix
+		./network.nix
+	];
+	boot.loader.grub = {
+		# no need to set devices, disko will add all devices that have a EF02 partition to the list already
+		# devices = [ ];
+		efiSupport = true;
+		efiInstallAsRemovable = true;
+	};
+	environment.systemPackages = map lib.lowPrio [
+		pkgs.curl
+		pkgs.dig
+		pkgs.gitMinimal
+	];
+	services.openssh.enable = true;
+	users.users.root.openssh.authorizedKeys.keys =
+	[
+		# change this to your ssh key
+	"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBvhtF6nRWlA6PVs71Eek7p0p2PxTd3P6ZEGFV2t75MB eliribble@nixos"
+	"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHL1SpT3KR8XeXtH19muncYVrKxWzWdWtJYNTwoJGTm3 eliribble@Elis-Mac-mini.local"
+	] ++ (args.extraPublicKeys or []); # this is used for unit-testing this module and can be removed if not needed
+	system.stateVersion = "25.05";
+}

host/nocix/amd-legacy-hexcore/default.nix

@@ -0,0 +1,6 @@
+{
+	imports = [
+		./configuration.nix
+		./hardware-configuration.nix
+	];
+}

host/nocix/amd-legacy-hexcore/disk-config.nix

@@ -0,0 +1,89 @@
+# Example to create a bios compatible gpt partition
+{ lib, ... }:
+{
+	disko.devices = {
+		disk = {
+			root = {
+				device = "/dev/sda";
+				type = "disk";
+				content = {
+					type = "gpt";
+					partitions = {
+						MBR = {
+							size = "1M";
+							type = "EF02"; # for grub MBR
+						};
+						boot = {
+							size = "500M";
+							type = "EF00"; # for grub MBR
+							content = {
+								type = "filesystem";
+								format = "vfat";
+								mountpoint = "/boot";
+								mountOptions = [
+									"defaults"
+								];
+							};
+						};
+						root = {
+							size = "100%";
+							content = {
+								type = "lvm_pv";
+								vg = "pool";
+							};
+						};
+					};
+				};
+			};
+			data = {
+				device = "/dev/sdb";
+				type = "disk";
+				content = {
+					type = "gpt";
+					partitions = {
+						bigdisk = {
+							size = "100%";
+							content = {
+								type = "filesystem";
+								format = "ext4";
+								mountpoint = "/mnt/bigdisk";
+								mountOptions = [
+									"defaults"
+								];
+							};
+						};
+					};
+				};
+			};
+		};
+		lvm_vg = {
+			pool = {
+				type = "lvm_vg";
+				lvs = {
+					root = {
+						size = "50G";
+						content = {
+							type = "filesystem";
+							format = "ext4";
+							mountpoint = "/";
+							mountOptions = [
+								"defaults"
+							];
+						};
+					};
+					var = {
+						size = "100%FREE";
+						content = {
+							type = "filesystem";
+							format = "ext4";
+							mountpoint = "/var";
+							mountOptions = [
+								"defaults"
+							];
+						};
+					};
+				};
+			};
+		};
+	};
+}

host/nocix/amd-legacy-hexcore/hardware-configuration.nix

@@ -0,0 +1,26 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ahci" "ohci_pci" "ehci_pci" "xhci_pci" "sd_mod" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.kernelModules = [ ];
+  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.enp3s0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp4s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

host/nocix/amd-legacy-hexcore/network.nix

@@ -0,0 +1,37 @@
+{ lib, ... }:
+{
+	networking = {
+		defaultGateway = {
+			address = "63.141.227.153";
+			interface = "enp3s0";
+		};
+		defaultGateway6 = {
+			address = "2604:4300:a:88::1";
+			interface = "enp3s0";
+		};
+		domain = "gleipnir.technology";
+		firewall = {
+			enable = true;
+			interfaces.enp3s0 = {
+				allowedUDPPorts = [ 22 80 443 ];
+				allowedTCPPorts = [ 22 80 443 ];
+			};
+		};
+		hostName = "nocix-amd-legacy-hexcore";
+		interfaces.enp3s0 = {
+			ipv4.addresses = [{
+				address = "63.141.227.154";
+				prefixLength = 29;
+			}];
+			ipv6.addresses = [{
+				address = "2604:4300:a:88::2";
+				prefixLength = 64;
+			}];
+		};
+		nameservers = ["8.8.8.8"];
+		networkmanager.enable = false;
+		nftables.enable = true;
+		useNetworkd = true;
+		search = ["nocix.net"];
+	};
+}

roles/nidus-sync.nix

@@ -0,0 +1,4 @@
+{ config, lib, pkgs, ... }: {
+	myModules.caddy.enable = true;
+	myModules.fieldseeker-sync.enable = true;
+}