Automatic tagging of cloudformation and resources with environment name

By passing tags while creating our cloudformation stack we can
propagate these tags to our created resources, enabling easy
separation of environments for billing purposes

CHANGELOG.md

@@ -1,3 +1,6 @@
+##Unreleased
+* Tag stack and created resources created with environment name
+
 ## Version 0.5.3 [WIP]
 * Improve message content when cfn_create raises an exception and fails.
 * Cleanup SSL certificates when cfn_create raises an exception and fails.

bootstrap_cfn/cloudformation.py

@@ -17,10 +17,11 @@ def __init__(self, aws_profile_name, aws_region_name='eu-west-1'):
         self.aws_region_name = aws_region_name
         self.conn_cfn = utils.connect_to_aws(boto.cloudformation, self)
 
-    def create(self, stack_name, template_body):
+    def create(self, stack_name, template_body, tags=[]):
         stack = self.conn_cfn.create_stack(stack_name=stack_name,
                                            template_body=template_body,
-                                           capabilities=['CAPABILITY_IAM'])
+                                           capabilities=['CAPABILITY_IAM'],
+                                           tags=tags)
         return stack
 
     def delete(self, stack_name):

bootstrap_cfn/fab_tasks.py

@@ -344,7 +344,13 @@ def cfn_create(test=False):
     # print cfn_config.process()
     # Inject security groups in stack template and create stacks.
     try:
-        stack = cfn.create(stack_name, cfn_config.process())
+        # Set a top-level set of tags for the stack, these will propagate
+        # down so that many of the created resources will be tagged in
+        # addition. Notable omissions are EC2 volumes and route53 resources
+        tags = {
+            "Env": env.environment
+        }
+        stack = cfn.create(stack_name, cfn_config.process(), tags=tags)
     except:
         # cleanup ssl certificates if any
         if 'ssl' in cfn_config.data: