debug: Remove extra linefeed in monitor.log (#10252)

CHANGELOG.md

@@ -9,6 +9,7 @@ BUG FIXES:
  * api: Removed unimplemented `CSIVolumes.PluginList` API. [[GH-10158](https://github.com/hashicorp/nomad/issues/10158)]
  * cli: Fixed a bug where non-int proxy port would panic CLI [[GH-10072](https://github.com/hashicorp/nomad/issues/10072)]
  * cli: Fixed a bug where `nomad operator debug` incorrectly parsed https Consul API URLs. [[GH-10082](https://github.com/hashicorp/nomad/pull/10082)]
+ * cli: Remove extra linefeeds in monitor.log files written by `nomad operator debug`. [[GH-10252](https://github.com/hashicorp/nomad/issues/10252)]
  * client: Fixed log formatting when killing tasks. [[GH-10135](https://github.com/hashicorp/nomad/issues/10135)]
  * csi: Fixed a bug where volume with IDs that are a substring prefix of another volume could use the wrong volume for feasibility checking. [[GH-10158](https://github.com/hashicorp/nomad/issues/10158)]
  * scheduler: Fixed a bug where jobs requesting multiple CSI volumes could be incorrectly scheduled if only one of the volumes passed feasibility checking. [[GH-10143](https://github.com/hashicorp/nomad/issues/10143)]

command/operator_debug.go

@@ -551,7 +551,6 @@ func (c *OperatorDebugCommand) startMonitor(path, idKey, nodeID string, client *
 				continue
 			}
 			fh.Write(out.Data)
-			fh.WriteString("\n")
 
 		case err := <-errCh:
 			fh.WriteString(fmt.Sprintf("monitor: %s\n", err.Error()))