Updated all templates to use instance variables

ntpd/templates/chrony.conf.erb

@@ -1,5 +1,5 @@
 # Remote servers.
-<% ntp_server.each do |server| -%>
+<% @ntp_server.each do |server| -%>
 server <%= server %> iburst
 <% end -%>
 

ntpd/templates/ntp.conf.erb

@@ -1,4 +1,4 @@
-<% if is_virtual == "true" -%>
+<% if @is_virtual == "true" -%>
 # Don't mind if the virtualized clock appears to be behaving erratically.
 tinker panic 0
 
@@ -15,21 +15,21 @@ restrict ::1
 driftfile /var/lib/ntp/ntp.drift
 
 # Remote servers.
-<% ntp_server.each do |server| -%>
+<% @ntp_server.each do |server| -%>
 restrict <%= server %> mask 255.255.255.255 nomodify notrap noquery
 server <%= server %>
 <% end -%>
-<% if is_virtual == "false" -%>
+<% if @is_virtual == "false" -%>
 
 # Undisciplined Local Clock. This is a fake driver intended for backup
 # and when no outside source of synchronized time is available.
 server 127.127.1.0
 fudge  127.127.1.0 stratum 10
 <% end -%>
-<% if has_variable?("ntp_client_networks") -%>
+<% if @ntp_client_networks -%>
 
 # Restrictions for clients using us as source.
-<%     ntp_client_networks.each do |net| -%>
+<%     @ntp_client_networks.each do |net| -%>
 restrict <%= net.split("/")[0] %> mask <%= net.split("/")[1] %> nomodify notrap
 <%     end -%>
 <% end -%>

ntpd/templates/openntpd.conf.erb

@@ -9,7 +9,7 @@ listen on *
 
 # use a random selection of NTP Pool Time Servers
 # see http://support.ntp.org/bin/view/Servers/NTPPoolServers
-<% ntp_server.each do |server| -%>
+<% @ntp_server.each do |server| -%>
 servers <%= server %>
 <% end -%>