Prototype new auto-generation via the AWS resource specification file

Makefile

@@ -14,6 +14,9 @@ spec:
 	unzip -d spec CloudFormationResourceSpecification.zip
 	rm CloudFormationResourceSpecification.zip
 
+spec2:
+	curl -O https://d1uauaxba7bl26.cloudfront.net/latest/CloudFormationResourceSpecification.json
+
 2to3:
 	2to3 -n -w examples > 2to3-examples.patch
 	2to3 -n -w troposphere > 2to3-troposphere.patch

batch_validator.py

@@ -0,0 +1,42 @@
+from .validators import exactly_one
+
+
+class LaunchTemplateSpecificationMixin(object):
+    def validate(self):
+        template_ids = [
+            'LaunchTemplateId',
+            'LaunchTemplateName'
+        ]
+        exactly_one(self.__class__.__name__, self.properties, template_ids)
+
+
+def validate_environment_state(environment_state):
+    """ Validate response type
+    :param environment_state: State of the environment
+    :return: The provided value if valid
+    """
+    valid_states = [
+        "ENABLED",
+        "DISABLED"
+    ]
+    if environment_state not in valid_states:
+        raise ValueError(
+            "{} is not a valid environment state".format(environment_state)
+        )
+    return environment_state
+
+
+def validate_queue_state(queue_state):
+    """ Validate response type
+    :param queue_state: State of the queue
+    :return: The provided value if valid
+    """
+    valid_states = [
+        "ENABLED",
+        "DISABLED"
+    ]
+    if queue_state not in valid_states:
+        raise ValueError(
+            "{} is not a valid queue state".format(queue_state)
+        )
+    return queue_state

examples/S3_Bucket_With_Versioning_And_Lifecycle_Rules.py

@@ -3,8 +3,8 @@
 
 from troposphere import Output, Ref, Template
 from troposphere.s3 import Bucket, PublicRead, VersioningConfiguration, \
-    LifecycleConfiguration, LifecycleRule, NoncurrentVersionTransition, \
-    LifecycleRuleTransition
+    LifecycleConfiguration, Rule, NoncurrentVersionTransition, \
+    Transition
 
 t = Template()
 
@@ -30,15 +30,15 @@
 
     LifecycleConfiguration=LifecycleConfiguration(Rules=[
         # Add a rule to
-        LifecycleRule(
+        Rule(
             # Rule attributes
             Id="S3BucketRule001",
             Prefix="/only-this-sub-dir",
             Status="Enabled",
             # Applies to current objects
             ExpirationInDays=3650,
             Transitions=[
-                LifecycleRuleTransition(
+                Transition(
                     StorageClass="STANDARD_IA",
                     TransitionInDays=60,
                 ),