Services: use Unix sockets instead of HTTP ports (attempt 1)

modules/services/forgejo.nix

@@ -6,20 +6,8 @@
 }:
 let
   cfg = config.aux.system.services.forgejo;
-  cli-cfg = config.services.forgejo;
 
-  forgejo-cli = pkgs.writeScriptBin "forgejo-cli" ''
+  socket = "/run/services/forgejo/web.socket";
-    #!${pkgs.runtimeShell}
-    cd ${cli-cfg.stateDir}
-    sudo=exec
-    if [[ "$USER" != forgejo ]]; then
-      sudo='exec /run/wrappers/bin/sudo -u ${cli-cfg.user} -g ${cli-cfg.group} --preserve-env=GITEA_WORK_DIR --preserve-env=GITEA_CUSTOM'
-    fi
-    # Note that these variable names will change
-    export GITEA_WORK_DIR=${cli-cfg.stateDir}
-    export GITEA_CUSTOM=${cli-cfg.customDir}
-    $sudo ${lib.getExe cli-cfg.package} "$@"
-  '';
 in
 {
   options = {
@@ -49,10 +37,7 @@ in
   };
 
   config = lib.mkIf cfg.enable {
-    environment.systemPackages = [
+    environment.systemPackages = [ pkgs.podman-tui ];
-      forgejo-cli
-      pkgs.podman-tui
-    ];
     services = {
       forgejo = {
         enable = true;
@@ -60,7 +45,8 @@ in
           server = {
             DOMAIN = pkgs.util.getDomainFromURL cfg.url;
             ROOT_URL = cfg.url;
-            HTTP_PORT = 3000;
+            PROTOCOL = "http+unix";
+            HTTP_ADDR = socket;
           };
           indexer.REPO_INDEXER_ENABLED = true; # Enable code indexing
         };
@@ -71,7 +57,7 @@ in
         useACMEHost = pkgs.util.getDomainFromURL cfg.url;
         forceSSL = true;
         locations."/" = {
-          proxyPass = "http://127.0.0.1:3000";
+          proxyPass = "http://unix:${socket}:";
           proxyWebsockets = true;
           extraConfig = "proxy_ssl_server_name on;"; # required when the target is also TLS server with multiple hosts
         };

modules/services/jellyfin.nix

@@ -7,6 +7,8 @@
 let
   cfg = config.aux.system.services.jellyfin;
 
+  socket = "/run/services/jellyfin/web.socket";
+
   jellyfin-audio-save = pkgs.jellyfin.overrideAttrs (
     finalAttrs: prevAttrs: { patches = [ ./jellyfin/jellyfin-audio-save-position.patch ]; }
   );
@@ -33,11 +35,18 @@ in
     aux.system.users.media.enable = true;
 
     services = {
+      jellyfin = {
+        enable = true;
+        dataDir = cfg.home;
+        group = "media";
+        package = jellyfin-audio-save;
+      };
+
       nginx.virtualHosts."${cfg.url}" = {
         useACMEHost = pkgs.util.getDomainFromURL cfg.url;
         forceSSL = true;
         locations."/" = {
-          proxyPass = "http://127.0.0.1:8096";
+          proxyPass = "http://unix:${socket}:";
           proxyWebsockets = true;
           extraConfig = ''
             # Taken from https://jellyfin.org/docs/general/networking/nginx/
@@ -60,7 +69,7 @@ in
           '';
         };
         locations."/socket" = {
-          proxyPass = "http://127.0.0.1:8096";
+          proxyPass = "http://unix:${socket}:";
           proxyWebsockets = true;
           extraConfig = ''
             # Proxy Jellyfin Websockets traffic
@@ -75,13 +84,6 @@ in
           '';
         };
       };
-
-      jellyfin = {
-        enable = true;
-        dataDir = cfg.home;
-        group = "media";
-        package = jellyfin-audio-save;
-      };
     };
 
     # Install packages for plugins
@@ -91,7 +93,15 @@ in
     ];
 
     systemd.services = {
-      jellyfin.unitConfig.RequiresMountsFor = cfg.home;
+      jellyfin = {
+        # Use Unix sockets in place of ports
+        environment = {
+          JELLYFIN_kestrel__socketPermissions = "0777";
+          JELLYFIN_kestrel__socketPath = socket;
+          JELLYFIN_kestrel__socket = "true";
+        };
+        unitConfig.RequiresMountsFor = cfg.home;
+      };
       nginx.wants = [ config.systemd.services.jellyfin.name ];
     };
   };

modules/services/netdata.nix

@@ -6,6 +6,8 @@
 }:
 let
   cfg = config.aux.system.services.netdata;
+
+  socket = "/run/services/netdata/web.socket";
 in
 {
   options = {
@@ -49,26 +51,6 @@ in
   config = lib.mkMerge [
     (lib.mkIf (cfg.enable && cfg.type == "parent") {
       services = {
-        nginx.virtualHosts."${cfg.url}" = {
-          useACMEHost = pkgs.util.getDomainFromURL cfg.url;
-          forceSSL = true;
-          basicAuth = {
-            "${cfg.auth.user}" = cfg.auth.password;
-          };
-          locations."/" = {
-            proxyPass = "http://127.0.0.1:19999";
-            extraConfig = ''
-              # Taken from https://learn.netdata.cloud/docs/netdata-agent/configuration/running-the-netdata-agent-behind-a-reverse-proxy/nginx
-              proxy_set_header X-Forwarded-Host $host;
-              proxy_set_header X-Forwarded-Server $host;
-              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-              proxy_pass_request_headers on;
-              proxy_set_header Connection "keep-alive";
-              proxy_store off;
-            '';
-          };
-        };
-
         netdata = {
           enable = true;
           package = pkgs.unstable.netdataCloud;
@@ -87,6 +69,30 @@ in
                 health enabled by default = auto
                 allow streaming from = *
             '';
+            "socket.conf" = pkgs.writeText "socket.conf" ''
+              [web]
+                bind to = unix:${socket}
+            '';
+          };
+        };
+
+        nginx.virtualHosts."${cfg.url}" = {
+          useACMEHost = pkgs.util.getDomainFromURL cfg.url;
+          forceSSL = true;
+          basicAuth = {
+            "${cfg.auth.user}" = cfg.auth.password;
+          };
+          locations."/" = {
+            proxyPass = "http://unix:${socket}:";
+            extraConfig = ''
+              # Taken from https://learn.netdata.cloud/docs/netdata-agent/configuration/running-the-netdata-agent-behind-a-reverse-proxy/nginx
+              proxy_set_header X-Forwarded-Host $host;
+              proxy_set_header X-Forwarded-Server $host;
+              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+              proxy_pass_request_headers on;
+              proxy_set_header Connection "keep-alive";
+              proxy_store off;
+            '';
           };
         };
       };