Remove references to unsupported operating systems

All references to Gentoo, SUSE, Debian stretch and Centos-7  are removed.
Conditional tasks, ternary operators and variables are simplified where possible
OS specific variables files are generalised where possible

Change-Id: I96a9757621eab69e7bc16a2e31ab28d0eb8a23be

meta/main.yml

@@ -22,17 +22,14 @@ galaxy_info:
   platforms:
     - name: Debian
       versions:
-        - stretch
+        - buster
     - name: Ubuntu
       versions:
-        - xenial
         - bionic
+        - focal
     - name: EL
       versions:
-        - 7
+        - 8
-    - name: opensuse
-      versions:
-        - 15
   categories:
     - cloud
     - python

tasks/designate_install.yml

@@ -29,7 +29,7 @@
   package:
     name: "{{ designate_package_list }}"
     state: "{{ designate_package_state }}"
-    update_cache: "{{ (ansible_pkg_mgr in ['apt', 'zypper']) | ternary('yes', omit) }}"
+    update_cache: "{{ (ansible_pkg_mgr == 'apt') | ternary('yes', omit) }}"
     cache_valid_time: "{{ (ansible_pkg_mgr == 'apt') | ternary(cache_timeout, omit) }}"
   register: install_packages
   until: install_packages is success

tests/templates/named.conf.j2

@@ -4,15 +4,8 @@
 options {
         {% if ansible_pkg_mgr == 'apt' %}
         directory "/var/cache/bind";
-        {% elif ansible_pkg_mgr in ['yum', 'dnf'] %}
+        {% elif ansible_pkg_mgr == 'dnf' %}
         directory "/var/named";
-        {% elif ansible_pkg_mgr == 'zypper' %}
-        directory "/var/lib/named";
-        managed-keys-directory "/var/lib/named/dyn/";
-        dump-file "/var/log/named_dump.db";
-        statistics-file "/var/log/named.stats";
-        notify no;
-        disable-empty-zone "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.ARPA";
         {% endif %}
 
         // If there is a firewall between you and nameservers you want
@@ -49,7 +42,7 @@ controls {
 };
 {% endif %}
 
-{% if ansible_pkg_mgr in ['yum', 'dnf'] %}
+{% if ansible_pkg_mgr == 'dnf' %}
 logging {
         channel default_debug {
                 file "data/named.run";
@@ -64,30 +57,4 @@ zone "." IN {
 
 include "/etc/named.rfc1912.zones";
 include "/etc/named.root.key";
-
-{% elif ansible_pkg_mgr == 'zypper' %}
-
-zone "." in {
-        type hint;
-        file "root.hint";
-};
-
-zone "localhost" in {
-        type master;
-        file "localhost.zone";
-};
-
-zone "0.0.127.in-addr.arpa" in {
-        type master;
-        file "127.0.0.zone";
-};
-
-zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN {
-    type master;
-    file "127.0.0.zone";
-};
-
-
-include "/etc/named.conf.include";
-
 {% endif %}

tests/test-install-designate.yml

@@ -43,7 +43,7 @@
         owner: 'root'
         group: 'named'
       when:
-        - ansible_pkg_mgr in ['yum', 'dnf']
+        - ansible_pkg_mgr == 'dnf'
 
     - name: Restart bind9
       service:

vars/redhat.yml

@@ -25,7 +25,7 @@ designate_service_distro_packages:
   - openstack-designate-producer
   - openstack-designate-sink
   - openstack-designate-worker
-  - "{{ ansible_distribution_major_version is version('8', '<') | ternary('systemd-python', 'python3-systemd') }}"
+  - python3-systemd
 
 designate_rndc_packages:
   - bind

vars/suse.yml

@@ -1,33 +0,0 @@
----
-# Copyright 2018, SUSE LINUX GmbH.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Common yum packages
-designate_distro_packages:
-  - which
-
-designate_service_distro_packages:
-  - openstack-designate
-  - openstack-designate-agent
-  - openstack-designate-api
-  - openstack-designate-central
-  - openstack-designate-producer
-  - openstack-designate-sink
-  - openstack-designate-worker
-
-designate_rndc_packages:
-  - bind-utils
-
-designate_devel_distro_packages:
-  - systemd-devel