Generalize plugin enumeration a bit (v2)

v2/ansible/playbook/role/__init__.py

@@ -37,11 +37,9 @@ from ansible.playbook.helpers import load_list_of_blocks
 from ansible.playbook.role.include import RoleInclude
 from ansible.playbook.role.metadata import RoleMetadata
 from ansible.playbook.taggable import Taggable
-from ansible.plugins import PluginLoader
+from ansible.plugins import get_all_plugin_loaders
 from ansible.utils.vars import combine_vars
 
-from ansible import plugins as ansible_plugins
-
 
 __all__ = ['Role', 'ROLE_CACHE', 'hash_params']
 
@@ -156,12 +154,11 @@ class Role(Base, Become, Conditional, Taggable):
         setattr(self, 'tags', current_tags)
 
         # dynamically load any plugins from the role directory
-        for name, obj in inspect.getmembers(ansible_plugins):
-            if isinstance(obj, PluginLoader):
-                if obj.subdir:
-                    plugin_path = os.path.join(self._role_path, obj.subdir)
-                    if os.path.isdir(plugin_path):
-                        obj.add_directory(plugin_path)
+        for name, obj in get_all_plugin_loaders():
+            if obj.subdir:
+                plugin_path = os.path.join(self._role_path, obj.subdir)
+                if os.path.isdir(plugin_path):
+                    obj.add_directory(plugin_path)
 
         # load the role's other files, if they exist
         metadata = self._load_role_yaml('meta')

v2/ansible/plugins/__init__.py

@@ -20,11 +20,13 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
+import glob
+import imp
+import inspect
 import os
 import os.path
 import sys
-import glob
-import imp
+
 from ansible import constants as C
 from ansible.utils.display import Display
 from ansible import errors
@@ -40,6 +42,9 @@ def push_basedir(basedir):
     if basedir not in _basedirs:
         _basedirs.insert(0, basedir)
 
+def get_all_plugin_loaders():
+    return [(name, obj) for (name, obj) in inspect.getmembers(sys.modules[__name__]) if isinstance(obj, PluginLoader)]
+
 class PluginLoader:
 
     '''

v2/ansible/plugins/strategies/__init__.py

@@ -30,7 +30,7 @@ from ansible.inventory.group import Group
 from ansible.playbook.handler import Handler
 from ansible.playbook.helpers import load_list_of_blocks
 from ansible.playbook.role import ROLE_CACHE, hash_params
-from ansible.plugins import module_loader, filter_loader, lookup_loader
+from ansible.plugins import filter_loader, lookup_loader, module_loader
 from ansible.utils.debug import debug
 
 
@@ -45,9 +45,9 @@ class SharedPluginLoaderObj:
     the forked processes over the queue easier
     '''
     def __init__(self):
-        self.module_loader = module_loader
         self.filter_loader = filter_loader
         self.lookup_loader = lookup_loader
+        self.module_loader = module_loader
 
 class StrategyBase: