generate ssh key pair

Change-Id: I9f7cbdb0ba9379eed262cc211a5eff2be5b05f8a
diff --git a/roles/compute-node/vars/main.yml b/roles/compute-node/vars/main.yml
index 7e6ff5e..5accf44 100644
--- a/roles/compute-node/vars/main.yml
+++ b/roles/compute-node/vars/main.yml
@@ -1,6 +1,7 @@
-pub_ssh_key: "{{ lookup('file', 'files/id_rsa.pub') }}"
+pub_ssh_key: "{{ lookup('file', '/etc/maas/.ssh/cord_rsa.pub') }}"
 
 compute_node:
+    password: "{{password_compute_node | default(lookup('password', 'passwords/compute_node.txt'))}}"
     fabric:
         include:
             names: "{{ fabric_include_names | default(omit) }}"