New NTP recipe

recipes/ntp.rb

@@ -0,0 +1,17 @@
+include_recipe 'datadog::dd-agent'
+
+# Build a data structure with configuration.
+# @see https://github.com/DataDog/dd-agent/blob/master/conf.d/ntp.yaml.example
+# @example
+#   node.override['datadog']['ntp']['instances'] = [
+#     {
+#       'offset_threshold' => '600',
+#       'host' => 'pool.ntp.org',
+#       'port' => 'ntp',
+#       'version' => '3',
+#       'timeout' => '5'
+#     }
+#   ]
+datadog_monitor 'ntp' do
+  instances node['datadog']['ntp']['instances']
+end

templates/default/ntp.yaml.erb

@@ -0,0 +1,5 @@
+<%# Sanitize the compiled Mash to standard Array/Hash objects by way of JSON -%>
+<%= JSON.parse(({ 'instances' => @instances }).to_json).to_yaml %>
+
+init_config:
+# Nothing to configure here