Merge pull request #650 from tahoe-lafs/3242.pass-config-object-to-storage-plugin-client-resource

Pass _Config object to storage plugin client resource

Fixes: ticket:3242

src/allmydata/client.py

@@ -895,7 +895,9 @@ class _Client(node.Node, pollmixin.PollMixin):
 
         :return dict[bytes, IResource provider]: The implementations.
         """
-        return self.storage_broker.get_client_storage_plugin_web_resources()
+        return self.storage_broker.get_client_storage_plugin_web_resources(
+            self.config,
+        )
 
     def _enable_storage_servers(self, announceable_storage_servers):
         """

src/allmydata/interfaces.py

@@ -3122,8 +3122,8 @@ class IFoolscapStoragePlugin(IPlugin):
         Get an ``IResource`` that can be published in the Tahoe-LAFS web interface
         to expose information related to this plugin.
 
-        :param dict configuration: Any configuration given in the section for
-            this plugin in the node's configuration file.
+        :param allmydata.node._Config configuration: A representation of the
+            configuration for the node into which this plugin has been loaded.
 
         :rtype: ``IResource``
         """

src/allmydata/node.py

@@ -292,8 +292,13 @@ class _Config(object):
                 "Unable to write config file '{}'".format(fn),
             )
 
-    def items(self, section):
-        return self.config.items(section)
+    def items(self, section, default=_None):
+        try:
+            return self.config.items(section)
+        except ConfigParser.NoSectionError:
+            if default is _None:
+                raise
+            return default
 
     def get_config(self, section, option, default=_None, boolean=False):
         try:

src/allmydata/storage_client.py

@@ -197,10 +197,16 @@ class StorageFarmBroker(service.MultiService):
                 storage_server.setServiceParent(self)
                 storage_server.start_connecting(self._trigger_connections)
 
-    def get_client_storage_plugin_web_resources(self):
+    def get_client_storage_plugin_web_resources(self, node_config):
         """
         Get all of the client-side ``IResource`` implementations provided by
         enabled storage plugins.
+
+        :param allmydata.node._Config node_config: The complete node
+            configuration for the node from which these web resources will be
+            served.
+
+        :return dict[unicode, IResource]: Resources for all of the plugins.
         """
         plugins = {
             plugin.name: plugin
@@ -208,7 +214,7 @@ class StorageFarmBroker(service.MultiService):
             in getPlugins(IFoolscapStoragePlugin)
         }
         return {
-            name: plugins[name].get_client_resource(config)
+            name: plugins[name].get_client_resource(node_config)
             for (name, config)
             in self.storage_client_config.storage_plugins.items()
         }

src/allmydata/test/storage_plugin.py

@@ -48,6 +48,10 @@ class RIDummy(RemoteInterface):
 class DummyStorage(object):
     name = attr.ib()
 
+    @property
+    def _client_section_name(self):
+        return u"storageclient.plugins.{}".format(self.name)
+
     def get_storage_server(self, configuration, get_anonymous_storage_server):
         if u"invalid" in configuration:
             raise Exception("The plugin is unhappy.")
@@ -69,8 +73,11 @@ class DummyStorage(object):
         :return: A static data resource that produces the given configuration when
             rendered, as an aid to testing.
         """
-        return Data(dumps(configuration), b"text/json")
-
+        items = configuration.items(self._client_section_name, [])
+        return Data(
+            dumps(dict(items)),
+            b"text/json",
+        )
 
 
 @implementer(RIDummy)