Add unsupported resources page to documentation

This change adds a new page to the sphinx documentation that lists all
the resources that are not officially supported, such as those marked as
deprecated, unsupported, prototype, etc.

Change-Id: I0a14899f4f9e1539242f898f2d74d2677689d260

doc/source/ext/resources.py

@@ -38,6 +38,10 @@ class integratedrespages(nodes.General, nodes.Element):
     pass
 
 
+class unsupportedrespages(nodes.General, nodes.Element):
+    pass
+
+
 class contribresourcepages(nodes.General, nodes.Element):
     pass
 
@@ -52,11 +56,14 @@ class ResourcePages(compat.Directive):
     def path(self):
         return None
 
+    def statuses(self):
+        return support.SUPPORT_STATUSES
+
     def run(self):
         prefix = self.arguments and self.arguments.pop() or None
         content = []
-        for resource_type, resource_classes in _filter_resources(prefix,
-                                                                 self.path()):
+        for resource_type, resource_classes in _filter_resources(
+                prefix, self.path(), self.statuses()):
             for resource_class in resource_classes:
                 self.resource_type = resource_type
                 self.resource_class = resource_class
@@ -337,6 +344,18 @@ class IntegrateResourcePages(ResourcePages):
     def path(self):
         return 'heat.engine.resources'
 
+    def statuses(self):
+        return [support.SUPPORTED]
+
+
+class UnsupportedResourcePages(ResourcePages):
+
+    def path(self):
+        return 'heat.engine.resources'
+
+    def statuses(self):
+        return [s for s in support.SUPPORT_STATUSES if s != support.SUPPORTED]
+
 
 class ContribResourcePages(ResourcePages):
 
@@ -344,18 +363,21 @@ class ContribResourcePages(ResourcePages):
         return 'heat.engine.plugins'
 
 
-def _filter_resources(prefix=None, path=None):
+def _filter_resources(prefix=None, path=None, statuses=[]):
     def prefix_match(name):
         return prefix is None or name.startswith(prefix)
 
     def path_match(cls):
         return path is None or cls.__module__.startswith(path)
 
+    def status_match(cls):
+        return cls.support_status.status in statuses
+
     filtered_resources = {}
     for name in sorted(six.iterkeys(all_resources)):
         if prefix_match(name):
             for cls in all_resources.get(name):
-                if path_match(cls):
+                if path_match(cls) and status_match(cls):
                     if filtered_resources.get(name) is not None:
                         filtered_resources[name].append(cls)
                     else:
@@ -383,6 +405,10 @@ def setup(app):
 
     app.add_directive('integratedrespages', IntegrateResourcePages)
 
+    app.add_node(unsupportedrespages)
+
+    app.add_directive('unsupportedrespages', UnsupportedResourcePages)
+
     app.add_node(contribresourcepages)
 
     app.add_directive('contribrespages', ContribResourcePages)

doc/source/template_guide/index.rst

@@ -23,5 +23,6 @@ Template Guide
    composition
    openstack
    cfn
+   unsupported
    contrib
    functions

doc/source/template_guide/unsupported.rst

@@ -0,0 +1,20 @@
+..
+      Licensed under the Apache License, Version 2.0 (the "License"); you may
+      not use this file except in compliance with the License. You may obtain
+      a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+      Unless required by applicable law or agreed to in writing, software
+      distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+      WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+      License for the specific language governing permissions and limitations
+      under the License.
+
+
+Unsupported Heat Resource Types
+===============================
+
+.. rubric:: These resources are enabled, but are not officially supported.
+
+.. unsupportedrespages::