Support the publish_async parameter in the filebeat configuration

manifests/config.pp

@@ -4,6 +4,7 @@
  'spool_size' => $filebeat::spool_size,
  'idle_timeout' => $filebeat::idle_timeout,
  'registry_file' => $filebeat::registry_file,
+ 'publish_async' => $filebeat::publish_async,
  'config_dir' => $filebeat::config_dir,
  },
  'output' => $filebeat::outputs,

manifests/init.pp

@@ -18,6 +18,7 @@
 # @param service_enable [String] The enable parameter on the filebeat service (default: true)
 # @param spool_size [Integer] How large the spool should grow before being flushed to the network (default: 1024)
 # @param idle_timeout [String] How often the spooler should be flushed even if spool size isn't reached (default: 5s)
+# @param publish_async [Boolean] If set to true filebeat will publish while preparing the next batch of lines to send (defualt: false)
 # @param registry_file [String] The registry file used to store positions, absolute or relative to working directory (default .filebeat)
 # @param config_dir [String] The directory where prospectors should be defined (default: /etc/filebeat/conf.d)
 # @param config_dir_mode [String] The unix permissions mode set on the configuration directory (default: 0755)
@@ -39,6 +40,7 @@
  $service_provider = $filebeat::params::service_provider,
  $spool_size = $filebeat::params::spool_size,
  $idle_timeout = $filebeat::params::idle_timeout,
+ $publish_async = $filebeat::params::publish_async,
  $registry_file = $filebeat::params::registry_file,
  $config_dir = $filebeat::params::config_dir,
  $config_dir_mode = $filebeat::params::config_dir_mode,

manifests/params.pp

@@ -5,6 +5,7 @@
  $service_enable = true
  $spool_size = 1024
  $idle_timeout = '5s'
+ $publish_async = false
  $registry_file = '.filebeat'
  $config_dir_mode = '0755'
  $config_file_mode = '0644'