Add route53 support to cloudformation.

moto/route53/models.py

@@ -8,13 +8,43 @@ class FakeZone(object):
     def __init__(self, name, id_):
         self.name = name
         self.id = id_
-        self.rrsets = {}
+        self.rrsets = []
 
     def add_rrset(self, name, rrset):
-        self.rrsets[name] = rrset
+        self.rrsets.append(rrset)
 
     def delete_rrset(self, name):
-        self.rrsets.pop(name, None)
+        self.rrsets = [record_set for record_set in self.rrsets if record_set['Name'] != name]
+
+    @property
+    def physical_resource_id(self):
+        return self.name
+
+    @classmethod
+    def create_from_cloudformation_json(cls, resource_name, cloudformation_json, region_name):
+        properties = cloudformation_json['Properties']
+        name = properties["Name"]
+
+        hosted_zone = route53_backend.create_hosted_zone(name)
+        return hosted_zone
+
+
+class RecordSetGroup(object):
+    def __init__(self, record_sets):
+        self.record_sets = record_sets
+
+    @classmethod
+    def create_from_cloudformation_json(cls, resource_name, cloudformation_json, region_name):
+        properties = cloudformation_json['Properties']
+
+        zone_name = properties["HostedZoneName"]
+        hosted_zone = route53_backend.get_hosted_zone_by_name(zone_name)
+        record_sets = properties["RecordSets"]
+        for record_set in record_sets:
+            hosted_zone.add_rrset(record_set["Name"], record_set)
+
+        record_set_group = RecordSetGroup(record_sets)
+        return record_set_group
 
 
 class Route53Backend(BaseBackend):
@@ -34,12 +64,16 @@ class Route53Backend(BaseBackend):
     def get_hosted_zone(self, id_):
         return self.zones.get(id_)
 
+    def get_hosted_zone_by_name(self, name):
+        for zone in self.get_all_hosted_zones():
+            if zone.name == name:
+                return zone
+
     def delete_hosted_zone(self, id_):
         zone = self.zones.get(id_)
         if zone:
             del self.zones[id_]
             return zone
-        return None
 
 
 route53_backend = Route53Backend()