From 892fcdc5ab37cde86b9407986ccbf4ee4f45eee4 Mon Sep 17 00:00:00 2001
From: Griffin Smith <grfn@gws.fyi>
Date: Thu, 1 Apr 2021 10:19:52 -0400
Subject: feat(gs/mugwump): Set up ddclient

The way this loads the api key is a hack, but also... I don't care!

Change-Id: I4d417b1a824007620661188b60b21a1f73867dca
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2747
Reviewed-by: glittershark <grfn@gws.fyi>
Tested-by: BuildkiteCI
---
 .../system/system/machines/mugwump.nix             | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/users/glittershark/system/system/machines/mugwump.nix b/users/glittershark/system/system/machines/mugwump.nix
index 22d9e7cd06bd..12524ffeb93f 100644
--- a/users/glittershark/system/system/machines/mugwump.nix
+++ b/users/glittershark/system/system/machines/mugwump.nix
@@ -114,6 +114,32 @@ with lib;
     };
   };
 
+  services.ddclient = {
+    enable = true;
+    domains = [ "home.gws.fyi" ];
+    interval = "1d";
+    zone = "gws.fyi";
+    protocol = "cloudflare";
+    username = "root@gws.fyi";
+    quiet = true;
+  };
+
+  systemd.services.ddclient.serviceConfig = {
+    EnvironmentFile = "/etc/secrets/cloudflare.env";
+    DynamicUser = lib.mkForce false;
+    ExecStart = lib.mkForce (
+      let runtimeDir =
+            config.systemd.services.ddclient.serviceConfig.RuntimeDirectory;
+      in pkgs.writeShellScript "ddclient" ''
+        set -eo pipefail
+
+        ${pkgs.gnused}/bin/sed -i -s s/password=/password=$CLOUDFLARE_API_KEY/ /run/${runtimeDir}/ddclient.conf
+        exec ${pkgs.ddclient}/bin/ddclient \
+          -file /run/${runtimeDir}/ddclient.conf \
+          -login=$CLOUDFLARE_EMAIL \
+      '');
+  };
+
   security.acme.certs."metrics.gws.fyi" = {
     dnsProvider = "namecheap";
     credentialsFile = "/etc/secrets/namecheap.env";
-- 
cgit 1.4.1