Merge pull request #265193 from 0z13/opensearch-module-link-plugins

nixos/opensearch: link plugins from opensearch package

nixos/modules/services/search/opensearch.nix

···
             The port to listen on for transport traffic.
           '';
         };
+
+        options."plugins.security.disabled" = lib.mkOption {
+          type = lib.types.bool;
+          default = true;
+          description = lib.mdDoc ''
+            Whether to enable the security plugin,
+            `plugins.security.ssl.transport.keystore_filepath` or
+            `plugins.security.ssl.transport.server.pemcert_filepath` and
+            `plugins.security.ssl.transport.client.pemcert_filepath`
+            must be set for this plugin to be enabled.
+          '';
+        };
       };
 
       default = {};
···
               shopt -s inherit_errexit
 
               # Install plugins
+
+              # remove plugins directory if it is empty.
+              if [ -z "$(ls -A ${cfg.dataDir}/plugins)" ]; then
+                rm -r "${cfg.dataDir}/plugins"
+              fi
+
+              ln -sfT "${cfg.package}/plugins" "${cfg.dataDir}/plugins"
               ln -sfT ${cfg.package}/lib ${cfg.dataDir}/lib
               ln -sfT ${cfg.package}/modules ${cfg.dataDir}/modules