SSH to localhost for functional tests

There is an open review for project-config to enable this by default,
until then, we can have ansible set things up for us.

Change-Id: I64aaa7187568ff08ef6b0935d8829376dd6761e5
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

tests/inventory

@@ -1,2 +1,2 @@
 [all]
-localhost ansible_connection=local
+localhost

tests/test.yaml

@@ -12,6 +12,21 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 ---
+- hosts: localhost
+  gather_facts: no
+
+  tasks:
+    # Setup SSH to localhost
+    - name: Generate SSH keys.
+      shell: ssh-keygen -t rsa -b 4096 -f ~/.ssh/id_rsa -P ""
+      delegate_to: localhost
+    - name: Setup authorized_keys
+      shell: cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
+      delegate_to: localhost
+    - name: keyscan
+      shell: ssh-keyscan -H localhost >> ~/.ssh/known_hosts
+      delegate_to: localhost
+
 - hosts: localhost
   sudo: yes
   vars: