Enable SSH access for ansible-role-jobs

Here we are generating SSH keys for the jenkins user. This give the
ability for Ansible to SSH to localhost to provision functional tests.

We do not want to use root hence the reason for not using the existing
macro.

Change-Id: I2c0283c7547cfd1c98b8cc6bbafbe4a75f2b98bb
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

jenkins/jobs/ansible-role-jobs.yaml

@@ -19,6 +19,12 @@
 
     builders:
       - zuul-git-prep
+      - shell: |
+          # Allow Jenkins user to ssh into localhost
+          ssh-keygen -f ~/.ssh/id_rsa -N ""
+          cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
+          ssh-keyscan localhost >> ~/.ssh/known_hosts
+          ssh-keyscan 127.0.0.1 >> ~/.ssh/known_hosts
       - tox:
           envlist: ansible-functional