[Adding resolver array to streamhost template along with relevant tests]-[SMK]

[Correcting typo]-[SMK]

[Removing redundant casting as requested]-[SMK]

Co-authored-by: Alexander Fisher <[email protected]>

[Removing additional casting]-[SMK]

[Adding tests for resolvers]-[SMK]

[Correcting typo in the Template testing array is empty and changing IPs to RFC5735]-[SMK]

Author: smkillen

spec/defines/resource_stream_spec.rb

@@ -101,6 +101,12 @@
               value: 'spdy',
               match: %r{\s+listen\s+\[::\]:80 spdy;}
             },
+            {
+              title: 'should set resolver(s)',
+              attr: 'resolver',
+              value: ['203.0.113.1', '203.0.113.2'],
+              match: %r{\s+resolver\s+203.0.113.1 203.0.113.2;}
+            },
             {
               title: 'should contain raw_prepend directives',
               attr: 'raw_prepend',

templates/streamhost/streamhost.erb

@@ -18,6 +18,9 @@ server {
   listen [<%= @ipv6_listen_ip %>]:<%= @ipv6_listen_port %> <% if @ipv6_listen_options %><%= @ipv6_listen_options %><% end %>;
   <%- end -%>
 <%- end -%>
+<%- unless @resolver.empty? -%>
+  resolver              <% @resolver.each do |res| %> <%= res %><% end %>;
+<%- end -%>
 
   <% Array(@raw_prepend).each do |line| -%>
     <%= line %>