Replace the hostname in the fluentd config file even if the file exists

Author: barney-s

cluster/gce/windows/k8s-node-setup.psm1

@@ -1528,13 +1528,12 @@ function Configure-LoggingAgent {
   if (-not (ShouldWrite-File $fluentd_config_file)) {
     Log-Output ("Skip: fluentd logging config $fluentd_config_file already " +
                 "exists")
-    return
+  } else {
+     # Create a configuration file for kubernetes containers.
+     # The config.d directory should have already been created automatically, but
+     # try creating again just in case.
+     New-Item $fluentd_config_dir -ItemType 'directory' -Force | Out-Null
   }
-
-  # Create a configuration file for kubernetes containers.
-  # The config.d directory should have already been created automatically, but
-  # try creating again just in case.
-  New-Item $fluentd_config_dir -ItemType 'directory' -Force | Out-Null
   $config = $FLUENTD_CONFIG.replace('NODE_NAME', (hostname))
   $config | Out-File -FilePath $fluentd_config_file -Encoding ASCII
   Log-Output "Wrote fluentd logging config to $fluentd_config_file"