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/api-tests/tasks/main.yml b/roles/api-tests/tasks/main.yml
index 843a384..8ea52e6 100644
--- a/roles/api-tests/tasks/main.yml
+++ b/roles/api-tests/tasks/main.yml
@@ -3,7 +3,7 @@
 
 - name: Copy apiary.apib to target location
   copy:
-    src: "{{ cord_dir }}/orchestration/xos/apiary.apib"
+    src: "{{ config_cord_dir }}/orchestration/xos/apiary.apib"
     dest: "/opt/xos/tests/api/apiary.apib"
 
 - name: Run API tests