Set builder hostnames to build UUID

buildman/manager/executor.py

@@ -99,8 +99,9 @@ class BuilderExecutor(object):
         none. """
     return self.executor_config.get('MINIMUM_RETRY_THRESHOLD', 0)
 
-  def generate_cloud_config(self, realm, token, coreos_channel, manager_hostname,
-                            quay_username=None, quay_password=None):
+  def generate_cloud_config(self, realm, token, build_uuid, coreos_channel,
+                            manager_hostname, quay_username=None,
+                            quay_password=None):
     if quay_username is None:
       quay_username = self.executor_config['QUAY_USERNAME']
 
@@ -110,6 +111,7 @@ class BuilderExecutor(object):
     return TEMPLATE.render(
         realm=realm,
         token=token,
+        build_uuid=build_uuid,
         quay_username=quay_username,
         quay_password=quay_password,
         manager_hostname=manager_hostname,
@@ -160,7 +162,7 @@ class EC2Executor(BuilderExecutor):
       get_ami_callable = partial(self._get_coreos_ami, region, channel)
       coreos_ami = yield From(self._loop.run_in_executor(None, get_ami_callable))
 
-    user_data = self.generate_cloud_config(realm, token, channel, self.manager_hostname)
+    user_data = self.generate_cloud_config(realm, token, build_uuid, channel, self.manager_hostname)
     logger.debug('Generated cloud config for build %s: %s', build_uuid, user_data)
 
     ec2_conn = self._get_conn()
@@ -436,7 +438,7 @@ class KubernetesExecutor(BuilderExecutor):
   def start_builder(self, realm, token, build_uuid):
     # generate resource
     channel = self.executor_config.get('COREOS_CHANNEL', 'stable')
-    user_data = self.generate_cloud_config(realm, token, channel, self.manager_hostname)
+    user_data = self.generate_cloud_config(realm, token, build_uuid, channel, self.manager_hostname)
     resource = self._job_resource(build_uuid, user_data, channel)
     logger.debug('Generated kubernetes resource:\n%s', resource)
 

buildman/templates/cloudconfig.yaml

@@ -1,5 +1,7 @@
 #cloud-config
 
+hostname: {{ build_uuid | default('quay-builder', True) }}
+
 users:
   groups:
   - sudo