Ensure rndc tool is available when rndc keys are used

Closes-Bug: 1721014
Change-Id: Ie9b039a9e4550bf11e2843e4ff886eacc46a4866

vars/distro_install.yml

@@ -14,6 +14,13 @@
 # limitations under the License.
 #
 
-designate_package_list: "{{ designate_distro_packages + designate_service_distro_packages }}"
+designate_package_list: |-
+    {% set packages = designate_distro_packages %}
+    {% set _ = packages.extend(designate_service_distro_packages) %}
+    {% if designate_rndc_keys is defined %}
+    {%   set _ = packages.extend(designate_rndc_packages) %}
+    {% endif %}
+    {{ packages }}
+
 _designate_bin: "/usr/bin"
 _designate_etc: "/etc"

vars/redhat-7.yml

@@ -27,3 +27,6 @@ designate_service_distro_packages:
   - openstack-designate-sink
   - openstack-designate-worker
   - openstack-designate-zone-manager
+
+designate_rndc_packages:
+  - bind-utils

vars/source_install.yml

@@ -14,6 +14,12 @@
 # limitations under the License.
 #
 
-designate_package_list: "{{ designate_distro_packages }}"
+designate_package_list: |-
+    {% set packages = designate_distro_packages %}
+    {% if designate_rndc_keys is defined %}
+    {%   set _ = packages.extend(designate_rndc_packages) %}
+    {% endif %}
+    {{ packages }}
+
 _designate_bin: "/openstack/venvs/designate-{{ designate_venv_tag }}/bin"
 _designate_etc: "{{ _designate_bin | dirname + '/etc' }}"

vars/suse-42.yml

@@ -25,3 +25,6 @@ designate_service_distro_packages:
   - openstack-designate-producer
   - openstack-designate-sink
   - openstack-designate-worker
+
+designate_rndc_packages:
+  - bind-utils

vars/ubuntu-16.04.yml

@@ -29,3 +29,6 @@ designate_service_distro_packages:
   - designate-sink
   - designate-worker
   - designate-zone-manager
+
+designate_rndc_packages:
+  - bind9utils