add nginx in front

Author: esselius

nixos-modules/profiles/auth.nix

@@ -13,11 +13,11 @@ in
       };
       listen_http = mkOption {
         type = types.str;
-        default = "0.0.0.0:9000";
+        default = "127.0.0.1:9000";
       };
       listen_metrics = mkOption {
         type = types.str;
-        default = "0.0.0.0:9300";
+        default = "127.0.0.1:9300";
       };
     };
   };
@@ -33,6 +33,13 @@ in
       };
     };
 
+    services.nginx.virtualHosts.${cfg.domain} = {
+      locations."/" = {
+        proxyWebsockets = true;
+        proxyPass = "http://" + cfg.listen_http;
+      };
+    };
+
     services.prometheus.scrapeConfigs = [{ job_name = "authentik"; static_configs = [{ targets = [ cfg.listen_metrics ]; }]; }];
   };
 }

nixos-modules/profiles/default.nix

@@ -1,6 +1,7 @@
 {
   imports = [
     ./auth.nix
+    ./ingress.nix
     ./monitoring.nix
   ];
 }

nixos-modules/profiles/ingress.nix

@@ -0,0 +1,30 @@
+{ config, lib, ... }:
+
+let
+  cfg = config.profiles.ingress;
+  inherit (lib) types mkOption mkEnableOption mkIf concatMapAttrs;
+in
+{
+  options = {
+    profiles.ingress = {
+      enable = mkEnableOption "ingress";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services = {
+      nginx = {
+        enable = true;
+
+        statusPage = true;
+
+        recommendedGzipSettings = true;
+        recommendedOptimisation = true;
+        recommendedTlsSettings = true;
+        recommendedProxySettings = true;
+
+        virtualHosts._.default = true;
+      };
+    };
+  };
+}

nixos-modules/profiles/monitoring.nix

@@ -42,7 +42,7 @@ in
         server = {
           inherit (cfg) domain root_url;
           http_port = 3000;
-          http_addr = "0.0.0.0";
+          http_addr = "127.0.0.1";
         };
         "auth.generic_oauth" = {
           enabled = true;
@@ -72,10 +72,10 @@ in
       };
     };
 
-    services.nginx.virtualHosts."grafana.localho.st" = {
+    services.nginx.virtualHosts.${cfg.domain} = {
       locations."/" = {
         proxyWebsockets = true;
-        proxyPass = "http://127.0.0.1:${toString config.services.grafana.settings.server.http_port}/";
+        proxyPass = "http://${config.services.grafana.settings.server.http_addr}:${toString config.services.grafana.settings.server.http_port}/";
       };
     };
   };

tests/monitoring-auth.nix

@@ -21,12 +21,17 @@
 
     profiles.auth = {
       enable = true;
+      domain = "authentik.localho.st";
     };
+
+    profiles.ingress.enable = true;
+
     services.authentik.environmentFile = builtins.toFile "authentik-env-file" ''
       AUTHENTIK_SECRET_KEY=qwerty123456
       AUTHENTIK_BOOTSTRAP_PASSWORD=password
       AUTHENTIK_BOOTSTRAP_TOKEN=token
     '';
+
     services.authentik.blueprints = [{
       metadata.name = "grafana-oauth";
       entries = [
@@ -53,7 +58,7 @@
             sub_mode = "hashed_user_id";
             include_claims_in_id_token = true;
             issuer_mode = "per_provider";
-            redirect_uris = "http://localhost:3000/login/generic_oauth";
+            redirect_uris = "http://grafana.localho.st/login/generic_oauth";
           };
         }
         {
@@ -71,48 +76,50 @@
     }];
     profiles.monitoring = {
       enable = true;
-      domain = "localhost";
+      domain = "grafana.localho.st";
+      root_url = "%(protocol)s://%(domain)s/";
       oauth = {
         name = "Authentik";
         client_id_file = builtins.toFile "grafana-client-id" "grafana";
         client_secret_file = builtins.toFile "grafana-client-secret" "secret";
-        auth_url = "http://127.0.0.1:9000/application/o/authorize/";
-        token_url = "http://127.0.0.1:9000/application/o/token/";
-        api_url = "http://127.0.0.1:9000/application/o/userinfo/";
+        auth_url = "http://authentik.localho.st/application/o/authorize/";
+        token_url = "http://authentik.localho.st/application/o/token/";
+        api_url = "http://authentik.localho.st/application/o/userinfo/";
       };
     };
   };
 
   extraPythonPackages = p: [ p.playwright ];
 
   testScript = ''
+    import os
+    from playwright.sync_api import sync_playwright, expect
+
     start_all()
 
+    machine.forward_port(80, 80)
+
     with subtest("Wait for authentik services to start"):
       machine.wait_for_unit("postgresql.service")
       machine.wait_for_unit("redis-authentik.service")
       machine.wait_for_unit("authentik-migrate.service")
       machine.wait_for_unit("authentik-worker.service")
       machine.wait_for_unit("authentik.service")
+      machine.wait_for_unit("nginx.service")
 
     with subtest("Wait for Authentik itself to initialize"):
       machine.wait_for_open_port(9000)
-      machine.wait_until_succeeds("curl -fL http://localhost:9000/if/flow/initial-setup/ >&2")
+      machine.wait_until_succeeds("curl -fL http://authentik.localho.st/if/flow/initial-setup/ >&2")
 
     with subtest("Wait for Authentik blueprints to be applied"):
-      machine.wait_until_succeeds("curl -f http://localhost:9000/application/o/grafana/.well-known/openid-configuration >&2")
-
-    machine.forward_port(3000, 3000)
-    machine.forward_port(9000, 9000)
-
-    from playwright.sync_api import sync_playwright, expect
+      machine.wait_until_succeeds("curl -f http://authentik.localho.st/application/o/grafana/.well-known/openid-configuration >&2")
 
     with sync_playwright() as p:
-      browser = p.chromium.launch()
+      browser = p.chromium.launch(headless=os.environ.get("HEADLESS", "true") != "false")
       page = browser.new_page()
 
       with subtest("Login page"):
-        page.goto("http://localhost:3000/login")
+        page.goto("http://grafana.localho.st/login")
         page.reload()
         page.get_by_role("link", name="Sign in with Authentik").click()
       with subtest("Enter username"):