fixes cliconf and netconf plugin loaders

This change updates the configuration and plugin loader objects for
cliconf and netconf to pull be able to configure where to find the
plugins.

lib/ansible/config/base.yml

@@ -473,6 +473,15 @@ DEFAULT_CALLBACK_WHITELIST:
   - {key: callback_whitelist, section: defaults}
   type: list
   yaml: {key: plugins.callback.whitelist}
+DEFAULT_CLICONF_PLUGIN_PATH:
+  name: Cliconf Plugins Path
+  default: ~/.ansible/plugins/cliconf:/usr/share/ansible/plugins/cliconf
+  description: Colon separated paths in which Ansible will search for Cliconf Plugins.
+  env: [{name: ANSIBLE_CLICONF_PLUGINS}]
+  ini:
+  - {key: cliconf_plugins, section: defaults}
+  type: pathspec
+  yaml: {key: plugins.connection.path}
 DEFAULT_CONNECTION_PLUGIN_PATH:
   name: Connection Plugins Path
   default: ~/.ansible/plugins/connection:/usr/share/ansible/plugins/connection
@@ -800,6 +809,14 @@ DEFAULT_MODULE_UTILS_PATH:
   ini:
   - {key: module_utils, section: defaults}
   type: pathspec
+DEFAULT_NETCONF_PLUGIN_PATH:
+  name: Netconf Plugins Path
+  default: ~/.ansible/plugins/netconf:/usr/share/ansible/plugins/netconf
+  description: Colon separated paths in which Ansible will search for Netconf Plugins.
+  env: [{name: ANSIBLE_NETCONF_PLUGINS}]
+  ini:
+  - {key: cliconf_plugins, section: defaults}
+  type: pathspec
 DEFAULT_NO_LOG:
   name: No log
   default: False

lib/ansible/plugins/loader.py

@@ -60,6 +60,7 @@ class PluginLoader:
         elif not config:
             config = []
 
+        import q; q(config)
         self.config = config
 
         if class_name not in MODULE_CACHE:
@@ -644,7 +645,7 @@ vars_loader = PluginLoader(
 cliconf_loader = PluginLoader(
     'Cliconf',
     'ansible.plugins.cliconf',
-    'cliconf_plugins',
+    C.DEFAULT_CLICONF_PLUGIN_PATH,
     'cliconf_plugins',
     required_base_class='CliconfBase'
 )
@@ -652,7 +653,7 @@ cliconf_loader = PluginLoader(
 netconf_loader = PluginLoader(
     'Netconf',
     'ansible.plugins.netconf',
-    'netconf_plugins',
+    C.DEFAULT_NETCONF_PLUGIN_PATH,
     'netconf_plugins',
     required_base_class='NetconfBase'
 )