[proxy] dont be chatty (DataDog#484)

Author: truthbk

manifests/init.pp

@@ -245,10 +245,10 @@
   $statsd_forward_host = '',
   $statsd_forward_port = '',
   $statsd_histogram_percentiles = '0.95',
-  $proxy_host = '',
-  $proxy_port = '',
-  $proxy_user = '',
-  $proxy_password = '',
+  Optional[String] $proxy_host = undef,
+  Optional[Variant[Integer, Pattern[/^\d*$/]]] $proxy_port = undef,
+  Optional[String] $proxy_user = undef,
+  Optional[String] $proxy_password = undef,
   $graphite_listen_port = '',
   $extra_template = '',
   $ganglia_host = '',
@@ -317,7 +317,6 @@
   # lint:ignore:only_variable_string
   $_dogstatsd_port = "${dogstatsd_port}"
   $_statsd_forward_port = "${statsd_forward_port}"
-  $_proxy_port = "${proxy_port}"
   $_graphite_listen_port = "${graphite_listen_port}"
   $_listen_port = "${listen_port}"
   $_pup_port = "${pup_port}"
@@ -342,10 +341,6 @@
   validate_legacy(String, 'validate_re', $_dogstatsd_port, '^\d*$')
   validate_legacy(String, 'validate_string', $statsd_histogram_percentiles)
   validate_legacy(String, 'validate_re', $_statsd_forward_port, '^\d*$')
-  validate_legacy(String, 'validate_string', $proxy_host)
-  validate_legacy(String, 'validate_re', $_proxy_port, '^\d*$')
-  validate_legacy(String, 'validate_string', $proxy_user)
-  validate_legacy(String, 'validate_string', $proxy_password)
   validate_legacy(String, 'validate_re', $_graphite_listen_port, '^\d*$')
   validate_legacy(String, 'validate_string', $extra_template)
   validate_legacy(String, 'validate_string', $ganglia_host)
@@ -578,7 +573,7 @@
     if !empty($proxy_host) {
         notify { 'Setting proxy_host will have no effect on agent6 please use agent6_extra_options to set your proxy': }
     }
-    if !empty($_proxy_port) {
+    if !empty($proxy_port) {
         notify { 'Setting proxy_port will have no effect on agent6 please use agent6_extra_options to set your proxy': }
     }
     if !empty($proxy_user) {

templates/datadog_header.conf.erb

@@ -6,22 +6,22 @@
 dd_url: <%= @_dd_url %>
 
 # If you need a proxy to connect to the Internet, provide the settings here
-<% if @proxy_host.empty? -%>
+<% if !defined?(@proxy_host) || @proxy_host.empty? -%>
 # proxy_host:
 <% else -%>
 proxy_host: <%= @proxy_host %>
 <% end -%>
-<% if @_proxy_port.empty? -%>
+<% if !defined?(@proxy_port) || "#{@proxy_port}".empty? -%>
 # proxy_port:
 <% else -%>
-proxy_port: <%= @_proxy_port %>
+proxy_port: <%= @proxy_port %>
 <% end -%>
-<% if @proxy_user.empty? -%>
+<% if !defined?(@proxy_user) || @proxy_user.empty? -%>
 # proxy_user:
 <% else -%>
 proxy_user: <%= @proxy_user %>
 <% end -%>
-<% if @proxy_password.empty? -%>
+<% if !defined?(@proxy_password) || @proxy_password.empty? -%>
 # proxy_password:
 <% else -%>
 proxy_password: <%= @proxy_password %>