Parameter to override metrics_base_command

Author: Helen Campbell

manifests/pe_metric.pp

@@ -11,6 +11,7 @@
   Array[Hash]               $additional_metrics = [],
   Boolean                   $ssl                = true,
   Optional[Puppet_metrics_collector::Metrics_server] $metrics_server_info = undef,
+  Optional[String]          $override_metrics_command,
 ) {
 
   $metrics_output_dir = "${output_dir}/${metrics_type}"
@@ -53,7 +54,11 @@
       fail( 'When using an influxdb server you must provide the db_name to store metrics in' )
     }
 
-    $local_metrics_command = "${metrics_base_command} | ${conversion_script_file_name} --netcat ${metrics_server_hostname} --convert-to ${metrics_server_type}"
+    if empty($override_metrics_command) {
+      $local_metrics_command = "${metrics_base_command} | ${conversion_script_file_name} --netcat ${metrics_server_hostname} --convert-to ${metrics_server_type}"
+    } else {
+      $local_metrics_command = "${override_metrics_command} | ${conversion_script_file_name} --netcat ${metrics_server_hostname} --convert-to ${metrics_server_type}"
+    }
 
     $port_metrics_command = empty($metrics_server_port) ? {
       false => "${local_metrics_command} --port ${metrics_server_port}",