1 files changed, 87 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..f4642b5157e
--- /dev/null
+++ b/nixos/modules/services/misc/plex.nix
@@ -0,0 +1,87 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.services.plex;
+  plex = pkgs.plex;
+in
+{
+  options = {
+    services.plex = {
+      enable = mkEnableOption "Enable Plex Media Server";
+
+      # FIXME: In order for this config option to work, symlinks in the Plex
+      # package in the Nix store have to be changed to point to this directory.
+      dataDir = mkOption {
+        type = types.str;
+        default = "/var/lib/plex";
+        description = "The directory where Plex stores its data files.";
+      };
+
+      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.";
+      };
+    };
+  };
+
+  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" ];
+      preStart = ''
+        test -d "${cfg.dataDir}" || {
+          echo "Creating initial Plex data directory in \"${cfg.dataDir}\"."
+          mkdir -p "${cfg.dataDir}"
+          chown -R ${cfg.user}:${cfg.group} "${cfg.dataDir}"
+        }
+        # Copy the database skeleton files to /var/lib/plex/.skeleton
+        test -d "${cfg.dataDir}/.skeleton" || mkdir "${cfg.dataDir}/.skeleton"
+        for db in "com.plexapp.plugins.library.db"; do
+            cp "${plex}/usr/lib/plexmediaserver/Resources/base_$db" "${cfg.dataDir}/.skeleton/$db"
+            chmod u+w "${cfg.dataDir}/.skeleton/$db"
+            chown ${cfg.user}:${cfg.group} "${cfg.dataDir}/.skeleton/$db"
+        done
+     '';
+      serviceConfig = {
+        Type = "simple";
+        User = cfg.user;
+        Group = cfg.group;
+        PermissionsStartOnly = "true";
+        ExecStart = "/bin/sh -c '${plex}/usr/lib/plexmediaserver/Plex\\ Media\\ Server'";
+      };
+      environment = {
+        PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR=cfg.dataDir;
+        PLEX_MEDIA_SERVER_HOME="${plex}/usr/lib/plexmediaserver";
+        PLEX_MEDIA_SERVER_MAX_PLUGIN_PROCS="6";
+        PLEX_MEDIA_SERVER_TMPDIR="/tmp";
+        LD_LIBRARY_PATH="${plex}/usr/lib/plexmediaserver";
+        LC_ALL="en_US.UTF-8";
+        LANG="en_US.UTF-8";
+      };
+    };
+
+    users.extraUsers = mkIf (cfg.user == "plex") {
+      plex = {
+        group = cfg.group;
+        uid = config.ids.uids.plex;
+      };
+    };
+
+    users.extraGroups = mkIf (cfg.group == "plex") {
+      plex = {
+        gid = config.ids.gids.plex;
+      };
+    };
+  };
+}