Update to support testing

molecule/default/prepare.yml

@@ -4,10 +4,19 @@
   tasks:
     - name: ensure openssh installed
       yum:
-        name: openssh-server
+        name: openssh-server, openssh-clients, sshpass
         state: installed
+
     - name: ensure sshd is running
       service:
         name: sshd
         state: started
         enabled: true
+        
+    - name: ensure nologin files are absent
+      file: 
+        path: "{{ item }}"
+        state: absent
+      with_items: 
+        - /etc/nologin
+        - /var/run/nologin

molecule/default/verify.yml

@@ -3,7 +3,26 @@
 
 - name: Verify
   hosts: all
+  pre_tasks: 
+    - name: Create test user
+      shell: 
+        cmd: adduser "auth_duo_test" && echo "password" | passwd "auth_duo_test" --stdin
   tasks:
-  - name: Example assertion
+  - name: Try and Login as test user
+    shell: |
+      /usr/bin/sshpass -v -p password \
+      /usr/bin/ssh -tt -o "UserKnownHostsFile=/dev/null" \
+      -o "StrictHostKeyChecking=no" \
+      auth_duo_test@localhost > /tmp/sshtest 2>&1 | tee /tmp/sshtest
+    async: 20
+    poll: 10
+    ignore_errors: true
+  
+  - name: Retrieve SSH login info from file
+    slurp:
+      src: /tmp/sshtest
+    register: slurpfile
+
+  - name: Did duo prompt show?
     assert:
-      that: true
+      that: "'Duo two-factor login for auth_duo_test' in slurpfile['content'] | b64decode"