1 files changed, 180 insertions, 0 deletions
diff --git a/nixos/modules/services/misc/plex.nix b/nixos/modules/services/misc/plex.nix
new file mode 100644
index 00000000000..1cd8da768f4
--- /dev/null
+++ b/nixos/modules/services/misc/plex.nix
@@ -0,0 +1,180 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.services.plex;
+in
+{
+  imports = [
+    (mkRemovedOptionModule [ "services" "plex" "managePlugins" ] "Please omit or define the option: `services.plex.extraPlugins' instead.")
+  ];
+
+  options = {
+    services.plex = {
+      enable = mkEnableOption "Plex Media Server";
+
+      dataDir = mkOption {
+        type = types.str;
+        default = "/var/lib/plex";
+        description = ''
+          The directory where Plex stores its data files.
+        '';
+      };
+
+      openFirewall = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Open ports in the firewall for the media server.
+        '';
+      };
+
+      user = mkOption {
+        type = types.str;
+        default = "plex";
+        description = ''
+          User account under which Plex runs.
+        '';
+      };
+
+      group = mkOption {
+        type = types.str;
+        default = "plex";
+        description = ''
+          Group under which Plex runs.
+        '';
+      };
+
+      extraPlugins = mkOption {
+        type = types.listOf types.path;
+        default = [];
+        description = ''
+          A list of paths to extra plugin bundles to install in Plex's plugin
+          directory. Every time the systemd unit for Plex starts up, all of the
+          symlinks in Plex's plugin directory will be cleared and this module
+          will symlink all of the paths specified here to that directory.
+        '';
+        example = literalExpression ''
+          [
+            (builtins.path {
+              name = "Audnexus.bundle";
+              path = pkgs.fetchFromGitHub {
+                owner = "djdembeck";
+                repo = "Audnexus.bundle";
+                rev = "v0.2.8";
+                sha256 = "sha256-IWOSz3vYL7zhdHan468xNc6C/eQ2C2BukQlaJNLXh7E=";
+              };
+            })
+          ]
+        '';
+      };
+
+      extraScanners = mkOption {
+        type = types.listOf types.path;
+        default = [];
+        description = ''
+          A list of paths to extra scanners to install in Plex's scanners
+          directory.
+
+          Every time the systemd unit for Plex starts up, all of the symlinks
+          in Plex's scanners directory will be cleared and this module will
+          symlink all of the paths specified here to that directory.
+        '';
+        example = literalExpression ''
+          [
+            (fetchFromGitHub {
+              owner = "ZeroQI";
+              repo = "Absolute-Series-Scanner";
+              rev = "773a39f502a1204b0b0255903cee4ed02c46fde0";
+              sha256 = "4l+vpiDdC8L/EeJowUgYyB3JPNTZ1sauN8liFAcK+PY=";
+            })
+          ]
+        '';
+      };
+
+      package = mkOption {
+        type = types.package;
+        default = pkgs.plex;
+        defaultText = literalExpression "pkgs.plex";
+        description = ''
+          The Plex package to use. Plex subscribers may wish to use their own
+          package here, pointing to subscriber-only server versions.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    # Most of this is just copied from the RPM package's systemd service file.
+    systemd.services.plex = {
+      description = "Plex Media Server";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+
+      serviceConfig = {
+        Type = "simple";
+        User = cfg.user;
+        Group = cfg.group;
+
+        # Run the pre-start script with full permissions (the "!" prefix) so it
+        # can create the data directory if necessary.
+        ExecStartPre = let
+          preStartScript = pkgs.writeScript "plex-run-prestart" ''
+            #!${pkgs.bash}/bin/bash
+
+            # Create data directory if it doesn't exist
+            if ! test -d "$PLEX_DATADIR"; then
+              echo "Creating initial Plex data directory in: $PLEX_DATADIR"
+              install -d -m 0755 -o "${cfg.user}" -g "${cfg.group}" "$PLEX_DATADIR"
+            fi
+         '';
+        in
+          "!${preStartScript}";
+
+        ExecStart = "${cfg.package}/bin/plexmediaserver";
+        KillSignal = "SIGQUIT";
+        Restart = "on-failure";
+      };
+
+      environment = {
+        # Configuration for our FHS userenv script
+        PLEX_DATADIR=cfg.dataDir;
+        PLEX_PLUGINS=concatMapStringsSep ":" builtins.toString cfg.extraPlugins;
+        PLEX_SCANNERS=concatMapStringsSep ":" builtins.toString cfg.extraScanners;
+
+        # The following variables should be set by the FHS userenv script:
+        #   PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR
+        #   PLEX_MEDIA_SERVER_HOME
+
+        # Allow access to GPU acceleration; the Plex LD_LIBRARY_PATH is added
+        # by the FHS userenv script.
+        LD_LIBRARY_PATH="/run/opengl-driver/lib";
+
+        PLEX_MEDIA_SERVER_MAX_PLUGIN_PROCS="6";
+        PLEX_MEDIA_SERVER_TMPDIR="/tmp";
+        PLEX_MEDIA_SERVER_USE_SYSLOG="true";
+        LC_ALL="en_US.UTF-8";
+        LANG="en_US.UTF-8";
+      };
+    };
+
+    networking.firewall = mkIf cfg.openFirewall {
+      allowedTCPPorts = [ 32400 3005 8324 32469 ];
+      allowedUDPPorts = [ 1900 5353 32410 32412 32413 32414 ];
+    };
+
+    users.users = mkIf (cfg.user == "plex") {
+      plex = {
+        group = cfg.group;
+        uid = config.ids.uids.plex;
+      };
+    };
+
+    users.groups = mkIf (cfg.group == "plex") {
+      plex = {
+        gid = config.ids.gids.plex;
+      };
+    };
+  };
+}