Added missing reverse zones tests setup

In some case the tests needs to have the class A, B and C of reverse DNS
set in order to function properly. Those missing classes where
added/updated in dnsrecord, services and host tests.

tests/dnsrecord/env_cleanup.yml

@@ -129,7 +129,7 @@
        - "{{ zone_prefix_reverse_24 }}"
        - "{{ zone_prefix_reverse_16 }}"
        - "{{ zone_prefix_reverse_8 }}"
+       - "{{ zone_ipv6_reverse }}"
+       - "{{ zone_ipv6_reverse_workaround }}"
        - "{{ testzone }}"
-       - ip6.arpa.
-       - d.f.ip6.arpa.
        - "{{ safezone }}"

tests/dnsrecord/env_setup.yml

@@ -18,8 +18,9 @@
     - "{{ zone_prefix_reverse_24 }}"
     - "{{ zone_prefix_reverse_16 }}"
     - "{{ zone_prefix_reverse_8 }}"
+    - "{{ zone_ipv6_reverse_workaround }}"
     - "{{ testzone }}"
-    - ip6.arpa.
+    - "{{ zone_ipv6_reverse }}"
 
   - name: Ensure DNSSEC zone '"{{ safezone }}"' is present.
     ipadnszone:

tests/dnsrecord/env_vars.yml

@@ -2,8 +2,11 @@
 # Set common vars and facts for test.
 - name: Set IPv4 address prefix.
   set_fact:
-    ipv4_prefix: '192.168.122'
-    ipv4_reverse_sufix: '122.168.192'
+    ipv4_prefix: "{{ ansible_default_ipv4.address.split('.')[:-1] |
+                     join('.') }}"
+    ipv4_reverse_sufix: "{{ ansible_default_ipv4.address.split('.')[:-1] |
+                            reverse |
+                            join('.') }}"
 
 - name: Set zone prefixes.
   set_fact: