Disable unbound service when using IPA

The DNS resolution should use the IP server set
up and the forwarder. Unbound should be disabled
to make sure it is not used.

Change-Id: I46b3eb1450bba21a9db0f536a91fffd4a18dbaf2

roles/ipa-multinode/tasks/ipaserver-subnode-install.yml

@@ -73,6 +73,12 @@
           "{{ forwarder_address }}"
           {%- endif -%}
 
+    - name: disable unbound service
+      become: true
+      service:
+        name: unbound
+        state: stopped
+
 - name: configure FreeIPA
   shell: >
     ipa-server-install --realm {{ ipa_realm }}

roles/ipa-multinode/tasks/ipaserver-undercloud-setup.yml

@@ -80,6 +80,12 @@
     regexp: "^nameserver "
     state: absent
 
+- name: disable unbound service
+  become: true
+  service:
+    name: unbound
+    state: stopped
+
 - name: set search domain
   become: true
   lineinfile: