CORD-1401 Don't overwrite existing keypair, CiaB PCU setup roles

Change-Id: Ia0fe60315ed09ba39634ed5c25e50e7bfd51d1ab
diff --git a/roles/compute-node/tasks/main.yml b/roles/compute-node/tasks/main.yml
index fb5b9bb..0c3d8b0 100644
--- a/roles/compute-node/tasks/main.yml
+++ b/roles/compute-node/tasks/main.yml
@@ -114,8 +114,8 @@
     group: "docker"
     mode: "0600"
   with_items:
-    - { "src": "cord_rsa", "dest": "id_rsa" }
-    - { "src": "cord_rsa.pub", "dest": "id_rsa.pub" }
+    - { "src": "cord_rsa", "dest": "cord_rsa" }
+    - { "src": "cord_rsa.pub", "dest": "cord_rsa.pub" }
 
 - name: Ensure SSH config
   become: yes