Allow conditionals on PlaybookInclude statements

Fixes #11852

lib/ansible/playbook/__init__.py

@@ -28,6 +28,12 @@ from ansible.playbook.play import Play
 from ansible.playbook.playbook_include import PlaybookInclude
 from ansible.plugins import get_all_plugin_loaders
 
+try:
+    from __main__ import display
+except ImportError:
+    from ansible.utils.display import Display
+    display = Display()
+
 
 __all__ = ['Playbook']
 
@@ -77,7 +83,10 @@ class Playbook:
 
             if 'include' in entry:
                 pb = PlaybookInclude.load(entry, basedir=self._basedir, variable_manager=variable_manager, loader=self._loader)
-                self._entries.extend(pb._entries)
+                if pb is not None:
+                    self._entries.extend(pb._entries)
+                else:
+                    display.display("skipping playbook include '%s' due to conditional test failure" % entry.get('include', entry), color='cyan')
             else:
                 entry_obj = Play.load(entry, variable_manager=variable_manager, loader=self._loader)
                 self._entries.append(entry_obj)

lib/ansible/playbook/playbook_include.py

@@ -21,14 +21,16 @@ __metaclass__ = type
 
 import os
 
+from ansible.errors import AnsibleParserError
 from ansible.parsing.splitter import split_args, parse_kv
 from ansible.parsing.yaml.objects import AnsibleBaseYAMLObject, AnsibleMapping
 from ansible.playbook.attribute import FieldAttribute
 from ansible.playbook.base import Base
+from ansible.playbook.conditional import Conditional
 from ansible.playbook.taggable import Taggable
-from ansible.errors import AnsibleParserError
+from ansible.template import Templar
 
-class PlaybookInclude(Base, Taggable):
+class PlaybookInclude(Base, Conditional, Taggable):
 
     _name      = FieldAttribute(isa='string')
     _include   = FieldAttribute(isa='string')
@@ -52,6 +54,14 @@ class PlaybookInclude(Base, Taggable):
         # playbook objects
         new_obj = super(PlaybookInclude, self).load_data(ds, variable_manager, loader)
 
+        all_vars = dict()
+        if variable_manager:
+            all_vars = variable_manager.get_vars(loader=loader)
+
+        templar = Templar(loader=loader, variables=all_vars)
+        if not new_obj.evaluate_conditional(templar=templar, all_vars=all_vars):
+            return None
+
         # then we use the object to load a Playbook
         pb = Playbook(loader=loader)