generate ssh key pair

Change-Id: I9f7cbdb0ba9379eed262cc211a5eff2be5b05f8a
diff --git a/roles/fabric-switch/vars/main.yml b/roles/fabric-switch/vars/main.yml
index 6d1a0cd..d63e3ab 100644
--- a/roles/fabric-switch/vars/main.yml
+++ b/roles/fabric-switch/vars/main.yml
@@ -1 +1 @@
-pub_ssh_key: "{{ lookup('file', 'files/id_rsa.pub') }}"
+pub_ssh_key: "{{ lookup('file', '/etc/maas/.ssh/cord_rsa.pub') }}"