From d8276603fa9cd1df469fb8407df37d6ff8e1ff9f Mon Sep 17 00:00:00 2001
From: Luke Granger-Brown <hg@lukegb.com>
Date: Wed, 6 May 2020 00:28:23 +0100
Subject: [PATCH] Add first-pass for clouvider-fra01.

---
 ops/nixos/clouvider-fra01/README.md   |  13 +++
 ops/nixos/clouvider-fra01/default.nix | 144 ++++++++++++++++++++++++++
 ops/nixos/default.nix                 |   2 +-
 3 files changed, 158 insertions(+), 1 deletion(-)
 create mode 100644 ops/nixos/clouvider-fra01/README.md
 create mode 100644 ops/nixos/clouvider-fra01/default.nix

diff --git a/ops/nixos/clouvider-fra01/README.md b/ops/nixos/clouvider-fra01/README.md
new file mode 100644
index 0000000000..af038f8068
--- /dev/null
+++ b/ops/nixos/clouvider-fra01/README.md
@@ -0,0 +1,13 @@
+# clouvider-fra01.as205479.net
+
+Dedicated host running NixOS on clouvider.co.uk.
+
+* Xeon E-2276G @ 3.80GHz (12 cores).
+* 16GiB RAM.
+* 512GB NVMe drive.
+* 4TB Toshiba HDWQ140 HDD.
+
+Internet:
+
+* 193.228.196.57
+* 2a0f:93c0:0:22::2
diff --git a/ops/nixos/clouvider-fra01/default.nix b/ops/nixos/clouvider-fra01/default.nix
new file mode 100644
index 0000000000..474e051b8d
--- /dev/null
+++ b/ops/nixos/clouvider-fra01/default.nix
@@ -0,0 +1,144 @@
+{ depot, lib, pkgs, rebuilder, ... }:
+{ config, ... }:
+let
+  inherit (depot.ops) secrets;
+in {
+  boot.initrd.availableKernelModules = [
+    "xhci_pci"
+    "ahci"
+    "nvme"
+    "usbhid"
+    "usb_storage"
+    "sd_mod"
+    "sr_mod"
+  ];
+  boot.kernelModules = [ "kvm-intel" "tcp_bbr" ];
+  boot.kernel.sysctl = {
+    "net.ipv6.conf.default.accept_ra" = 0;
+    "net.ipv6.conf.all.accept_ra" = 0;
+    "net.ipv6.conf.default.autoconf" = 0;
+    "net.ipv6.conf.all.autoconf" = 0;
+  };
+  boot.supportedFilesystems = [ "zfs" ];
+  boot.zfs.devNodes = "/dev/disk/by-partuuid";
+  services.zfs.autoScrub.enable = true;
+  services.zfs.autoSnapshot = {
+    enable = true;
+    monthly = 1;
+  };
+
+  boot.initrd.postDeviceCommands = lib.mkAfter ''
+    zfs rollback -r zfast/local/root@blank
+  '';
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "performance";
+
+  fileSystems = let
+    zfs = device: {
+      device = device;
+      fsType = "zfs";
+    };
+  in {
+    "/" = zfs "zfast/local/root";
+    "/nix" = zfs "zfast/local/nix";
+    "/persist" = zfs "zfast/safe/persist";
+    "/home" = zfs "zfast/safe/home";
+    "/store" = zfs "zslow/local/store";
+
+    "/boot" = {
+      device = "/dev/disk/by-label/ESP";
+      fsType = "vfat";
+    };
+  };
+
+  nix.maxJobs = lib.mkDefault 12;
+  hardware.enableRedistributableFirmware = true;
+
+  nixpkgs.config = { allowUnfree = true; };
+
+  nix.nixPath = [ "depot=/home/lukegb/depot/" "nixpkgs=/home/lukegb/depot/third_party/nixpkgs/" ];
+
+  # Use systemd-boot.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # Networking!
+  networking = {
+    hostName = "clouvider-fra01";
+    domain = "as205479.net";
+    hostId = "9e983570";
+
+    nameservers = [
+      "2001:4860:4860::8888"
+      "2001:4860:4860::8844"
+      "8.8.8.8"
+      "8.8.4.4"
+    ];
+    useDHCP = false;
+    defaultGateway = {
+      address = "193.228.196.56";
+      interface = "enp1s0";
+    };
+    defaultGateway6 = {
+      address = "2a0f:93c0:0:22::1";
+      interface = "enp1s0";
+    };
+    interfaces.enp1s0 = {
+      useDHCP = false;
+      ipv4.addresses = [{ address = "193.228.196.57"; prefixLength = 31; }];
+      ipv6.addresses = [{ address = "2a0f:93c0:0:22::2"; prefixLength = 126; }];
+    };
+    firewall.allowPing = true;
+  };
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_GB.UTF-8";
+  console.keyMap = "us";
+
+  # Set your time zone.
+  time.timeZone = "Etc/UTC";
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    vim
+    mercurial
+    rxvt_unicode.terminfo
+    rebuilder
+  ];
+
+  programs.mtr.enable = true;
+  services.openssh.enable = true;
+
+  # Define a user account.
+  users.mutableUsers = false;
+  users.users = {
+    root.hashedPassword = secrets.passwordHashes.root;
+    lukegb = {
+      isNormalUser = true;
+      uid = 1000;
+      extraGroups = [ "wheel" ];
+      hashedPassword = secrets.passwordHashes.root;
+    };
+  };
+
+  boot.kernel.sysctl."net.ipv4.tcp_congestion_control" = "bbr";
+  boot.kernel.sysctl."net.core.default_qdisc" = "fq_codel";
+
+  services.openssh.hostKeys = [
+    {
+      path = "/persist/etc/ssh/ssh_host_ed25519_key";
+      type = "ed25519";
+    }
+    {
+      path = "/persist/etc/ssh/ssh_host_rsa_key";
+      type = "rsa";
+      bits = 4096;
+    }
+  ];
+  environment.etc = {
+    "nixos" = { source = "/persist/etc/nixos/"; };
+  };
+
+  system.stateVersion = "20.03";
+}
diff --git a/ops/nixos/default.nix b/ops/nixos/default.nix
index 2a703f4355..aed9ac2e03 100644
--- a/ops/nixos/default.nix
+++ b/ops/nixos/default.nix
@@ -5,7 +5,7 @@ let
     (depot.third_party.nixos {
       configuration = config;
     }).system;
-  systems = [ "porcorosso" "ixvm-fra01" "marukuru" ];
+  systems = [ "porcorosso" "ixvm-fra01" "marukuru" "clouvider-fra01" ];
   rebuilder = system:
     pkgs.writeShellScriptBin "rebuilder" ''
       set -ue