CORD-1151
Make cord_dir and cord_profile_dir local to config node
use head_* and config_* prefixes to avoid hardcoding paths
config-side ssh key generation+
fix frontend & mock builds
[build] group in inventory
fix inventory strangeness
raise privs when creating ssh_pki_dir
move admin-openrc.sh.j2 to cord-profile
add copy-cord-playbook.yml, clarify where it runs
fix paths for head_cord_profile_dir with mock/frontend
use /opt/cord_profile/admin-openrc.sh rather than ~/admin-openrc.sh
install pki
make comment in do-enlist-compute-node accurate, set correct interface
remove hardcoded credential path
logging and ssh key fixes

Change-Id: Ie7560c911dce1558e09806c9997884dfbd475e9c
diff --git a/roles/glance-images/defaults/main.yml b/roles/glance-images/defaults/main.yml
new file mode 100644
index 0000000..8b07f0b
--- /dev/null
+++ b/roles/glance-images/defaults/main.yml
@@ -0,0 +1,9 @@
+---
+# glance-images/defaults/main.yml
+
+use_openstack: True
+
+image_dir: /opt/images
+
+xos_images: []
+