From 7795bd1d0fa1a806493acb6fc07a7d44bae57688 Mon Sep 17 00:00:00 2001
From: Luke Granger-Brown <hg@lukegb.com>
Date: Wed, 4 Nov 2020 15:51:55 +0000
Subject: [PATCH] clouvider-lon01: init

---
 ops/nixos/clouvider-lon01/README.md   |  18 +++
 ops/nixos/clouvider-lon01/default.nix | 155 ++++++++++++++++++++++++++
 ops/nixos/default.nix                 |   2 +-
 3 files changed, 174 insertions(+), 1 deletion(-)
 create mode 100644 ops/nixos/clouvider-lon01/README.md
 create mode 100644 ops/nixos/clouvider-lon01/default.nix

diff --git a/ops/nixos/clouvider-lon01/README.md b/ops/nixos/clouvider-lon01/README.md
new file mode 100644
index 0000000000..115786695d
--- /dev/null
+++ b/ops/nixos/clouvider-lon01/README.md
@@ -0,0 +1,18 @@
+<!--
+SPDX-FileCopyrightText: 2020 Luke Granger-Brown <depot@lukegb.com>
+
+SPDX-License-Identifier: Apache-2.0
+-->
+
+# clouvider-lon01.as205479.net
+
+Dedicated host running NixOS on clouvider.co.uk.
+
+* Xeon E3-1275v6 @ 3.80GHz (8 cores).
+* 64GiB RAM.
+* 2x 256GiB Samsung SSD 850.
+
+Internet:
+
+* 185.198.188.29
+* 2a0a:54c0:0:17::2
diff --git a/ops/nixos/clouvider-lon01/default.nix b/ops/nixos/clouvider-lon01/default.nix
new file mode 100644
index 0000000000..4596428131
--- /dev/null
+++ b/ops/nixos/clouvider-lon01/default.nix
@@ -0,0 +1,155 @@
+# SPDX-FileCopyrightText: 2020 Luke Granger-Brown <depot@lukegb.com>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+{ depot, lib, pkgs, rebuilder, config, ... }:
+let
+  inherit (depot.ops) secrets;
+  machineSecrets = secrets.machineSpecific.clouvider-lon01;
+in {
+  imports = [
+    ../lib/zfs.nix
+    ../lib/bgp.nix
+  ];
+
+  boot.initrd = {
+    availableKernelModules = [
+      "xhci_pci"
+      "ahci"
+      "nvme"
+      "usbhid"
+      "usb_storage"
+      "sd_mod"
+      "sr_mod"
+      "igb"
+    ];
+    network = {
+      enable = true;
+      ssh = {
+        enable = true;
+        hostKeys = ["/persist/etc/ssh/ssh_host_ed25519_key"];
+        authorizedKeys = map builtins.readFile config.users.users.lukegb.openssh.authorizedKeys.keyFiles;
+      };
+      postCommands = ''
+        echo "zfs load-key -a; killall zfs" >> /root/.profile
+      '';
+    };
+  };
+  boot.kernelParams = [
+    "ip=185.198.188.29::185.198.188.28:255.255.255.254:clouvider-lon01:enp1s0f0:none"
+  ];
+  boot.kernelModules = [ "kvm-intel" ];
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "performance";
+
+  fileSystems = let
+    zfs = device: {
+      device = device;
+      fsType = "zfs";
+    };
+  in {
+    "/" = zfs "tank/local/root";
+    "/nix" = zfs "tank/local/nix";
+    "/persist" = zfs "tank/safe/persist";
+    "/home" = zfs "tank/safe/home";
+
+    "/boot1" = {
+      device = "/dev/disk/by-partlabel/boota";
+      fsType = "vfat";
+    };
+    "/boot2" = {
+      device = "/dev/disk/by-partlabel/bootb";
+      fsType = "vfat";
+    };
+  };
+
+  nix.maxJobs = lib.mkDefault 8;
+
+  # Use GRUB, so we can have mirrored bootloaders.
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.loader.grub = {
+    enable = true;
+    version = 2;
+    zfsSupport = true;
+    efiSupport = true;
+    mirroredBoots = map (path: {
+      inherit path;
+      devices = ["nodev"];
+      efiSysMountPoint = path;
+    }) ["/boot1" "/boot2"];
+  };
+
+  # Networking!
+  networking = {
+    hostName = "clouvider-lon01";
+    domain = "as205479.net";
+    hostId = "29aaa324";
+
+    nameservers = [
+      "2001:4860:4860::8888"
+      "2001:4860:4860::8844"
+      "8.8.8.8"
+      "8.8.4.4"
+    ];
+    useDHCP = false;
+    defaultGateway = {
+      address = "185.198.188.28";
+      interface = "br-ext";
+    };
+    defaultGateway6 = {
+      address = "2a0a:54c0:0:17::1";
+      interface = "br-ext";
+    };
+    bridges.br-ext.interfaces = ["enp1s0f0"];
+    interfaces.br-ext = {
+      ipv4.addresses = [{ address = "185.198.188.29"; prefixLength = 31; }];
+      ipv6.addresses = [{ address = "2a0a:54c0:0:17::2"; prefixLength = 126; }];
+    };
+    firewall.allowPing = true;
+  };
+
+  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;
+    }
+  ];
+
+  users.users = {
+    lukegb.extraGroups = [ "bird2" ];
+  };
+
+  services.lukegbgp = let local = {
+    asn = 205479;
+  }; in {
+    enable = true;
+    config = {
+      local = {
+        routerID = "185.198.188.29";
+      };
+      peering = {
+        clouvider = {
+          local = local // {
+            v4 = "185.198.188.29";
+            v6 = "2a0a:54c0:0:17::2";
+          };
+          remote = {
+            asn = 62240;
+            export_community = 3000;
+            routers = [{
+              v4 = "185.198.188.28";
+              v6 = "2a0a:54c0:0:17::1";
+            }];
+          };
+        };
+      };
+    };
+  };
+
+  system.stateVersion = "20.09";
+}
diff --git a/ops/nixos/default.nix b/ops/nixos/default.nix
index ada600ca88..2493ea7bf3 100644
--- a/ops/nixos/default.nix
+++ b/ops/nixos/default.nix
@@ -15,7 +15,7 @@ let
       system = builtins.currentSystem;
       modules = [ (baseModule systemName) (args: { imports = [ lib/common.nix config ]; }) ];
     });
-  systems = [ "porcorosso" "ixvm-fra01" "marukuru" "clouvider-fra01" "totoro" "kusakabe" "swann" ];
+  systems = [ "porcorosso" "ixvm-fra01" "marukuru" "clouvider-fra01" "totoro" "kusakabe" "swann" "clouvider-lon01" ];
   rebuilder = system: (import ./lib/rebuilder.nix (args // { system = system; }));
   systemCfgs = lib.genAttrs systems
     (name: import (./. + "/${name}"));