Merge pull request 'Add a NOKEY option for some slave' (#1) from dev/add-nokey into master

Reviewed-on: #1

README.md

@@ -9,13 +9,15 @@ zones:
   - name: dryusdan.space
     secret: AMAIZINGSECRET
     slaves:
-      - 5.6.7.8
-      - 9.10.11.12
+      - ip: 5.6.7.8
+      - ip: 9.10.11.12
+        nokey: True
   - name: drycat.fr
     secret: AMAIZINGSECRET
     slaves:
-      - 5.6.7.8
-      - 9.10.11.12
+      - ip: 5.6.7.8
+      - ip: 9.10.11.12
+        nokey: True
 ```
 
 Slave

templates/nsd.conf.j2

@@ -213,15 +213,21 @@ zone:
 {% if zone.slaves is defined %}
 {% for slave in zone.slaves %}
 {% if zone.secret is defined %}
-    notify: {{ slave }} {{ zone.name }}-key
-    provide-xfr: {{ slave }} {{ zone.name }}-key
+    {% if slave.nokey is defined %} 
+    notify: {{ slave.ip }} NOKEY
+    provide-xfr: {{ slave.ip }} NOKEY
+    {% else %}
+    notify: {{ slave.ip }} {{ zone.name }}-key
+    provide-xfr: {{ slave.ip }} {{ zone.name }}-key
+    {% endif %}
 {% else %}
-    notify: {{ slave }} NOKEY
-    provide-xfr: {{ slave }} NOKEY
+    notify: {{ slave.ip }} NOKEY
+    provide-xfr: {{ slave.ip }} NOKEY
 {% endif %}
 {% endfor %}
 {% endif %}
 {% if zone.masters is defined %}
+
 {% for master in zone.masters %}
 {% if zone.secret is defined %}
     allow-notify: {{ master }} {{ zone.name }}-key