Bug fix for missing XOS Core API key and cert

Change-Id: Ia78c2a60a0c90da79f74a3ff271e20a17aa077ba
diff --git a/roles/pki-install/tasks/main.yml b/roles/pki-install/tasks/main.yml
index 72cd0f8..a49d88d 100644
--- a/roles/pki-install/tasks/main.yml
+++ b/roles/pki-install/tasks/main.yml
@@ -28,6 +28,10 @@
   with_items:
     - src: "intermediate_ca/certs/im_cert_chain.pem"
       dest: "im_cert_chain.pem"
+    - src: "intermediate_ca/private/xos-core.{{ site_suffix }}_key.pem"
+      dest: "core_api_key.pem"
+    - src: "intermediate_ca/certs/xos-core.{{ site_suffix }}_cert_chain.pem"
+      dest: "core_api_cert.pem"
 
 - name: Copy certs needed by OpenStack
   become: yes