Add a flavour for doing generic this-node-is-in-a-cloud stuff, like cloud-init tweaks.

docs/ci.md

@@ -30,12 +30,12 @@ Jenkins
 
  * baremetal SPOF node build (archive the resulting image).
 
-        disk-image-create mysql haproxy-mysql haproxy-api local-boot \
+        disk-image-create base mysql haproxy-mysql haproxy-api local-boot \
         rabbitmq -o baremetal-spof
 
  * baremetal demo node build (archive the resulting image).
 
-        disk-image-create vm glance nova-bm swift cinder quantum \
+        disk-image-create base vm glance nova-bm swift cinder quantum \
         -o bootstrap-prod
 
  * ramdisk deploy image buil

flavours/base/install.d/10-cloud-init

@@ -0,0 +1,8 @@
+#!/bin/bash
+# Tweak the stock ubuntu cloud-init config
+
+set -e
+
+sudo dd of=/etc/cloud/cloud.cfg.d/10_etc_hosts.cfg << EOF
+manage_etc_hosts: True
+EOF