Switch to using a squashed image for the build workers

buildman/manager/executor.py

@@ -11,6 +11,7 @@ from trollius import coroutine, From, Return, get_event_loop
 from functools import partial
 
 from buildman.asyncutil import AsyncWrapper
+from container_cloud_config import CloudConfigContext
 
 
 logger = logging.getLogger(__name__)
@@ -20,7 +21,7 @@ ONE_HOUR = 60*60
 
 ENV = Environment(loader=FileSystemLoader('buildman/templates'))
 TEMPLATE = ENV.get_template('cloudconfig.yaml')
-
+CloudConfigContext().populate_jinja_environment(ENV)
 
 class ExecutorException(Exception):
   """ Exception raised when there is a problem starting or stopping a builder.