audiobookshelf

flake.nix

@@ -235,6 +235,7 @@
           mail.smtpHost = "smtp.purelymail.com";
           dotfilesRepo = "https://github.com/nmasur/dotfiles";
           hostnames = {
+            audiobooks = "read.${baseName}";
             files = "files.${baseName}";
             git = "git.${baseName}";
             influxdb = "influxdb.${baseName}";

hosts/swan/default.nix

@@ -67,6 +67,14 @@ inputs.nixpkgs.lib.nixosSystem rec {
         devices = (import ../../disks/root.nix { disk = "/dev/nvme0n1"; });
       };
 
+      zramSwap.enable = true;
+      swapDevices = [
+        {
+          device = "/swapfile";
+          size = 4 * 1024; # 4 GB
+        }
+      ];
+
       boot.zfs = {
         # Automatically load the ZFS pool on boot
         extraPools = [ "tank" ];
@@ -98,6 +106,7 @@ inputs.nixpkgs.lib.nixosSystem rec {
       dotfiles.enable = true;
       arrs.enable = true;
       filebrowser.enable = true;
+      services.audiobookshelf.enable = true;
       services.bind.enable = true;
       services.caddy.enable = true;
       services.jellyfin.enable = true;

modules/nixos/services/arr.nix

@@ -14,6 +14,11 @@ let
       url = "localhost:7878";
       apiKey = config.secrets.radarrApiKey.dest;
     };
+    readarr = {
+      exportarrPort = "9711";
+      url = "localhost:8787";
+      apiKey = config.secrets.readarrApiKey.dest;
+    };
     sonarr = {
       exportarrPort = "9708";
       url = "localhost:8989";
@@ -61,6 +66,10 @@ in
         enable = true;
         group = "media";
       };
+      readarr = {
+        enable = true;
+        group = "media";
+      };
     };
 
     # Create a media group to be shared between services
@@ -110,6 +119,21 @@ in
           }
         ];
       }
+      {
+        group = "download";
+        match = [
+          {
+            host = [ config.hostnames.download ];
+            path = [ "/readarr*" ];
+          }
+        ];
+        handle = [
+          {
+            handler = "reverse_proxy";
+            upstreams = [ { dial = arrConfig.readarr.url; } ];
+          }
+        ];
+      }
       {
         group = "download";
         match = [
@@ -223,6 +247,11 @@ in
       dest = "/var/private/radarr-api";
       prefix = "API_KEY=";
     };
+    secrets.readarrApiKey = {
+      source = ../../../private/radarr-api-key.age;
+      dest = "/var/private/readarr-api";
+      prefix = "API_KEY=";
+    };
     secrets.sonarrApiKey = {
       source = ../../../private/sonarr-api-key.age;
       dest = "/var/private/sonarr-api";

modules/nixos/services/audiobookshelf.nix

@@ -0,0 +1,44 @@
+{ config, lib, ... }:
+{
+
+  options = {
+    hostnames.audiobooks = lib.mkOption {
+      type = lib.types.str;
+      description = "Hostname for audiobook server (Audiobookshelf).";
+    };
+  };
+
+  config = lib.mkIf config.services.audiobookshelf.enable {
+
+    services.audiobookshelf = {
+      dataDir = "audiobookshelf";
+    };
+
+    # Allow web traffic to Caddy
+    caddy.routes = [
+      {
+        match = [ { host = [ config.hostnames.audiobooks ]; } ];
+        handle = [
+          {
+            handler = "reverse_proxy";
+            upstreams = [ { dial = "localhost:${builtins.toString config.services.audiobookshelf.port}"; } ];
+          }
+        ];
+      }
+    ];
+
+    # Configure Cloudflare DNS to point to this machine
+    services.cloudflare-dyndns.domains = [ config.hostnames.audiobooks ];
+
+    # Grant user access to Audiobookshelf directories
+    users.users.${config.user}.extraGroups = [ config.services.audiobookshelf.group ];
+
+    # Grant audiobookshelf access to media and Calibre directories
+    users.users.${config.services.audiobookshelf.user}.extraGroups = [
+      "media"
+      "calibre-web"
+    ];
+
+  };
+
+}

modules/nixos/services/default.nix

@@ -5,6 +5,7 @@
 {
 
   imports = [
+    ./audiobookshelf.nix
     ./arr.nix
     ./backups.nix
     ./bind.nix

modules/nixos/services/grafana.nix

@@ -53,6 +53,7 @@ in
             uid = promUid;
           }
         ];
+        # TODO: Add option to pull services from a list like Caddy does
         dashboards.settings.providers = [
           {
             name = "test";
@@ -368,6 +369,18 @@ in
                           range = true;
                           refId = "C";
                         }
+                        {
+                          datasource = {
+                            type = "prometheus";
+                            uid = promUid;
+                          };
+                          editorMode = "code";
+                          expr = "readarr_system_status";
+                          hide = false;
+                          legendFormat = "Readarr";
+                          range = true;
+                          refId = "F";
+                        }
                         {
                           datasource = {
                             type = "prometheus";
@@ -819,6 +832,28 @@ in
                               }
                             ];
                           }
+                          {
+                            matcher = {
+                              id = "byName";
+                              options = "localhost:8787";
+                            };
+                            properties = [
+                              {
+                                id = "displayName";
+                                value = "Readarr";
+                              }
+                              {
+                                id = "links";
+                                value = [
+                                  {
+                                    targetBlank = true;
+                                    title = "";
+                                    url = "https://${config.hostnames.download}/readarr";
+                                  }
+                                ];
+                              }
+                            ];
+                          }
                           {
                             matcher = {
                               id = "byName";
@@ -1105,6 +1140,28 @@ in
                               }
                             ];
                           }
+                          {
+                            matcher = {
+                              id = "byName";
+                              options = "localhost:${builtins.toString config.services.audiobookshelf.port}";
+                            };
+                            properties = [
+                              {
+                                id = "displayName";
+                                value = "Audiobookshelf";
+                              }
+                              {
+                                id = "links";
+                                value = [
+                                  {
+                                    targetBlank = true;
+                                    title = "";
+                                    url = "https://${config.hostnames.audiobooks}";
+                                  }
+                                ];
+                              }
+                            ];
+                          }
                         ];
                       };
                       gridPos = {