Merge pull request 'use public domain for internal services via intra subdomain' (#14) from develop into master

Reviewed-on: #14

constants.nix

@@ -1,17 +1,15 @@
 rec {
   domain = "sid.ovh";
+  intranet = "intra." + domain;
   hosts = {
     sid = {
       ip = "100.64.0.6";
-      domain = "sid.tail";
     };
     rx4 = {
       ip = "100.64.0.10";
-      domain = "rx4.tail";
     };
     vde = {
       ip = "100.64.0.1";
-      domain = "vde.tail";
     };
   };
   services = {
@@ -27,7 +25,7 @@ rec {
       port = 8085;
     };
     netdata = {
-      fqdn = "netdata.sid.tail";
+      fqdn = "netdata." + intranet;
       port = 19999;
     };
     open-webui-oci = {
@@ -43,11 +41,11 @@ rec {
       port = 1200;
     };
     vaultwarden = {
-      fqdn = "pw.rx4.tail";
+      fqdn = "pw." + intranet;
       port = 8222;
     };
     webdav = {
-      fqdn = "dav.rx4.tail";
+      fqdn = "dav." + intranet;
       port = 8080;
     };
   };

hosts/rx4/services/vaultwarden.nix

@@ -1,14 +1,12 @@
 {
   constants,
   config,
-  lib,
   ...
 }:
 
 let
   inherit (constants) domain;
   inherit (constants.services.vaultwarden) fqdn port;
-  inherit (lib) mkForce;
 in
 {
   services.vaultwarden = {
@@ -17,7 +15,7 @@ in
     dbBackend = "postgresql";
     configurePostgres = true;
 
-    configureNginx = true;
+    configureNginx = false;
     domain = fqdn;
 
     environmentFile = [ config.sops.templates."vaultwarden/env-file".path ];
@@ -38,8 +36,6 @@ in
     };
   };
 
-  services.nginx.virtualHosts."${fqdn}".forceSSL = mkForce false; # let Tailnet handle SSL
-
   sops =
     let
       owner = config.users.users.vaultwarden.name;

hosts/sid/secrets/secrets.yaml

@@ -32,6 +32,7 @@ mailserver:
         vaultwarden: ENC[AES256_GCM,data:nSiiyurI0pNGlJiHpgu5jUQIq688IbPKlJCvx4jrFN9TwIY+kfVOaO4KWKkavBYfMZqMuEBr7EAdRULS,iv:OpgfXl1uYLgjOGDTkXFj/wPFUoE6uK89gtXLsB2x6gE=,tag:knJkNQnRCNcc/2nKBYdVCw==,type:str]
 radicale:
     sid: ENC[AES256_GCM,data:/OgIrXnGttIymGw98feiUjKPOIlrgRIC0TNCdBnuJOiA0RzbF0b9SMVzwEZiTEmS82g2lSvxQkE4kZjeOgOC0RLvCyZAmtWojq+g1pN0qhEkhwH0Qtu9wNnSYHuRqh2E5nWzHNGl/eF6zQ==,iv:5XtlyXjpB+XrVvJ7IoM7Gu63xA8vYrcJjUjLPmOMAIU=,tag:SAuYl/wzxnINyVWn9nI5yA==,type:str]
+hetzner-dns-api-key: ENC[AES256_GCM,data:KQooOZjQMtCSVqMI8yKVEk0xebTEuNs5WsxTDC9kcXdGZIgq8ZIEk5ku94EV95i0ad9y5Zx0ozt7aWcNHiMMfQ==,iv:jssQ7PejT5awmeMowdSIEFKDfLW7PWvsd++lh9/MlXs=,tag:UoNRz9neDzDxDjmGmBNPjA==,type:str]
 sops:
     age:
         - recipient: age19yeqvv28fgrtk6jsh3xyaf0lch86kna6rcz4dwe962yyyyevu30sx474xy
@@ -52,7 +53,7 @@ sops:
             RzhnczA0S1pxcXZncGpWVHNYQW96L28K+ytH3PPyg4+wibpAQhp02RiSfZ83EDRB
             UJ8UV1d+51D0e2A1sI95r2AzDj4jfwUnI+LYDPC/qEpsu5LFLGVyeg==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2026-04-03T11:37:47Z"
-    mac: ENC[AES256_GCM,data:5f4/mIJzzvKhZjES4WA0Ds2g642FDS03oSmH4dUi0pnF01aQD75eZ0HI3vcdks6kY+b5xyH5BJ283cgrnIiG2oPjYsIt8ULFnXZql31QQJArirYC35qf5lIiN4gC0ObzC5nSTR4rzrqpWtmf2vrvxDXWftK+JdwPyPjk/4IAu50=,iv:tfHDum7KB+nYQnxfukm+w/BotWW+Itmn11yy6O4V6oE=,tag:0/sFkH9Z2ZP2wzVfJEYFqA==,type:str]
+    lastmodified: "2026-04-03T13:35:11Z"
+    mac: ENC[AES256_GCM,data:fUOfIHeXjpDe57Q5sTYFlAefk1JpX2uvwmgpr9Mvl7pH47NBJUnQjC2NH5e89gc08H91ZYD8T4xE2e/E0zBb4rnW6geVpTPfV7NTj/HPOpRZCj/4ikMv/u6cFDODSThTRRRm4rBhFv2jpNR9Ez50OxOxbOGXILEAaQ1yytyVQKs=,iv:5F85fPxdab1KKHN978stzLhFTOH811+qwFZ0mP13Dx0=,tag:euM1ecdQX1d5L9ViZZknQw==,type:str]
     unencrypted_suffix: _unencrypted
     version: 3.12.1

hosts/sid/services/headscale.nix

@@ -1,6 +1,5 @@
 {
   inputs,
-  constants,
   ...
 }:
 
@@ -10,33 +9,6 @@
     inputs.synix.nixosModules.headscale
   ];
 
-  services.resolved.enable = false;
-  networking.resolvconf.enable = false;
-
-  networking.nameservers = [ constants.hosts.sid.ip ];
-
-  services.coredns = {
-    enable = true;
-    config = with constants; ''
-      .:53 {
-        bind ${hosts.sid.ip}
-        hosts {
-          ${hosts.sid.ip} sid.tail
-          ${hosts.sid.ip} netdata.sid.tail
-          ${hosts.rx4.ip} rx4.tail
-          ${hosts.rx4.ip} dav.rx4.tail
-          ${hosts.rx4.ip} pw.rx4.tail
-          ${hosts.vde.ip} vde.tail
-          fallthrough
-        }
-        forward . 1.1.1.1
-        cache
-        log
-        errors
-      }
-    '';
-  };
-
   services.headplane = {
     enable = true;
     reverseProxy = {
@@ -54,16 +26,7 @@
     };
     settings = {
       dns = {
-        magic_dns = true;
-        base_domain = "tail";
-        search_domains = [ "tail" ];
-        override_local_dns = true;
-        nameservers = {
-          global = [ "1.1.1.1" ];
-          split = {
-            "tail" = [ constants.hosts.sid.ip ];
-          };
-        };
+        magic_dns = true; # NOTE: should coredns handle everything?
       };
     };
   };

hosts/sid/services/nginx.nix

@@ -1,6 +1,7 @@
 {
   inputs,
   constants,
+  config,
   lib,
   ...
 }:
@@ -15,6 +16,43 @@ in
     inputs.synix.nixosModules.nginx
   ];
 
+  services.resolved.enable = false;
+  networking.resolvconf.enable = false;
+
+  networking.nameservers = [ constants.hosts.sid.ip ];
+
+  services.coredns = {
+    enable = true;
+    config = with constants; ''
+      .:53 {
+        bind ${hosts.sid.ip}
+        hosts {
+          ${hosts.rx4.ip} ${services.vaultwarden.fqdn}
+          ${hosts.rx4.ip} ${services.webdav.fqdn}
+          ${hosts.rx4.ip} rx4.tail
+          ${hosts.sid.ip} ${services.netdata.fqdn}
+          ${hosts.sid.ip} sid.tail
+          ${hosts.vde.ip} vde.tail
+          fallthrough
+        }
+        forward . 1.1.1.1
+        cache
+        log
+        errors
+      }
+    '';
+  };
+
+  security.acme = {
+    certs."${constants.intranet}" = {
+      domain = "*.${constants.intranet}";
+      webroot = null;
+      dnsProvider = "hetzner";
+      credentialsFile = config.sops.secrets.hetzner-dns-api-key.path;
+    };
+  };
+  sops.secrets.hetzner-dns-api-key = { };
+
   services.nginx = {
     enable = true;
     openFirewall = true;
@@ -35,7 +73,7 @@ in
       port = constants.services.miniflux.port;
     };
     virtualHosts."${constants.services.netdata.fqdn}" = mkVirtualHost {
-      ssl = false;
+      inherit ssl;
       port = constants.services.netdata.port;
     };
     virtualHosts."${constants.services.open-webui-oci.fqdn}" = mkVirtualHost {
@@ -55,6 +93,16 @@ in
       address = constants.hosts.rx4.ip;
       port = constants.services.rsshub-oci.port;
     };
+    virtualHosts."${constants.services.vaultwarden.fqdn}" = mkVirtualHost {
+      inherit ssl;
+      address = constants.hosts.rx4.ip;
+      port = constants.services.vaultwarden.port;
+    };
+    virtualHosts."${constants.services.webdav.fqdn}" = mkVirtualHost {
+      inherit ssl;
+      address = constants.hosts.rx4.ip;
+      port = constants.services.webdav.port;
+    };
     # FIXME
     # virtualHosts."print.sid.ovh" = {
     #   enableACME = true;