Allow designate rndc for all nodes (SOC-10339)

With designate enabled, all Bind servers act as slaves for
designate created zones. These zones are created via rndc addzone
from designate server(s).

Adding permissions and key for allowing rndc access.

Author: root

chef/cookbooks/bind9/recipes/default.rb

@@ -355,15 +355,15 @@ def make_zone(zone)
   notifies :reload, "service[bind9]"
 end
 
-if node[:dns][:enable_designate] && node[:dns][:master]
+if node[:dns][:enable_designate]
   template "/etc/named.d/designate-rndc-access.conf" do
     source "designate-rndc-access.conf.erb"
     mode 0o640
     owner "root"
     group bindgroup
     variables(
       rndc_key: node[:dns][:designate_rndc_key],
-      master_ip: admin_network.address,
+      admin_ip: admin_network.address,
       admin_subnet: IP::IP4.netmask_to_subnet(admin_network.netmask),
       admin_network: admin_network.subnet
     )
@@ -415,7 +415,7 @@ def make_zone(zone)
             allow_transfer: allow_transfer,
             ipaddresses: ipaddresses,
             ip6addresses: ip6addresses,
-            enable_designate: node[:dns][:enable_designate] && node[:dns][:master]
+            enable_designate: node[:dns][:enable_designate]
            )
   notifies :restart, "service[bind9]", :immediately
 end

chef/cookbooks/bind9/templates/default/designate-rndc-access.conf.erb

@@ -7,5 +7,5 @@ controls {
     # listen on the admin interface and
     # allow access via the designate-key
     # from ips of admin_network
-    inet <%= @master_ip -%> allow { <%= @admin_network -%>/<%= @admin_subnet -%>; } keys { designate-key; };
+    inet <%= @admin_ip -%> allow { <%= @admin_network -%>/<%= @admin_subnet -%>; } keys { designate-key; };
 };