nixos/wordpress: Add option to allow mutable wp-content directory

NixOS · Aug 16, 2021 · 512f643 · 512f643
1 parent 28afe07
commit 512f643
Showing 1 changed file with 31 additions and 1 deletion.
diff --git a/nixos/modules/services/web-apps/wordpress.nix b/nixos/modules/services/web-apps/wordpress.nix
@@ -26,8 +26,16 @@ let
 
       # symlink the wordpress config
       ln -s ${wpConfig hostName cfg} $out/share/wordpress/wp-config.php
+
+      ${optionalString (!cfg.mutableWpContent) ''
       # symlink uploads directory
       ln -s ${cfg.uploadsDir} $out/share/wordpress/wp-content/uploads
+      ''}
+
+      ${optionalString cfg.mutableWpContent ''
+      rm -Rf $out/share/wordpress/wp-content
+      ln -s ${stateDir hostName} $out/share/wordpress/wp-content
+      ''}
 
       # https://github.com/NixOS/nixpkgs/pull/53399
       #
@@ -36,9 +44,11 @@ let
       # requests that look like: https://example.com/wp-content//nix/store/...plugin/path/some-file.js
       # Since hard linking directories is not allowed, copying is the next best thing.
 
+      ${optionalString (!cfg.mutableWpContent) ''
       # copy additional plugin(s) and theme(s)
       ${concatMapStringsSep "\n" (theme: "cp -r ${theme} $out/share/wordpress/wp-content/themes/${theme.name}") cfg.themes}
       ${concatMapStringsSep "\n" (plugin: "cp -r ${plugin} $out/share/wordpress/wp-content/plugins/${plugin.name}") cfg.plugins}
+      ''}
     '';
   };
 
@@ -53,9 +63,15 @@ let
 
       require_once('${stateDir hostName}/secret-keys.php');
 
+      ${optionalString (!cfg.mutableWpContent) ''
       # wordpress is installed onto a read-only file system
       define('DISALLOW_FILE_EDIT', true);
       define('AUTOMATIC_UPDATER_DISABLED', true);
+      ''}
+
+      ${optionalString cfg.mutableWpContent ''
+      define('FS_METHOD','direct');
+      ''}
 
       ${cfg.extraConfig}
 
@@ -100,6 +116,12 @@ let
           '';
         };
 
+        mutableWpContent = mkOption {
+          type = types.bool;
+          default = false;
+          description = "Allow any modification in the wp-content directory. This usually means adding, removing and updating plugins and themes in the web interface. This is helpful for testing which themes and plugins to use. It should only be used on a test server as migrating between mutable and readonly is not easily possible.";
+        };
+
         plugins = mkOption {
           type = types.listOf types.path;
           default = [];
@@ -376,7 +398,15 @@ in
       "d '${stateDir hostName}' 0750 ${user} ${webserver.group} - -"
       "d '${cfg.uploadsDir}' 0750 ${user} ${webserver.group} - -"
       "Z '${cfg.uploadsDir}' 0750 ${user} ${webserver.group} - -"
-    ]) eachSite);
+      ]
+      ++
+      (if cfg.mutableWpContent then [
+      "d '${stateDir hostName}/themes' 0750 ${user} ${webserver.group} - -"
+      "Z '${stateDir hostName}/themes' 0750 ${user} ${webserver.group} - -"
+      "d '${stateDir hostName}/plugins' 0750 ${user} ${webserver.group} - -"
+      "Z '${stateDir hostName}/plugins' 0750 ${user} ${webserver.group} - -"
+      ] else [])
+    ) eachSite);
 
     systemd.services = mkMerge [
       (mapAttrs' (hostName: cfg: (