diff --git a/ansible/roles/common/defaults/main.yml b/ansible/roles/common/defaults/main.yml
new file mode 100644
index 0000000..4ccfffb
--- /dev/null
+++ b/ansible/roles/common/defaults/main.yml
@@ -0,0 +1,8 @@
+hosts: [
+  { host_ip: "10.100.198.200", host_name: "corddev"},
+  { host_ip: "10.100.198.201", host_name: "prod"},
+]
+
+obsolete_services:
+  - puppet
+  - chef-client