Fixing US Date Format Bug in the Splunk App for Citrix XenApp

Recently, I was integrating some Citrix XenApp servers into Splunk and decided, to give the Splunk App for Citrix XenApp a try. Integration went fine so far (might need some fiddling with appropriate permissions in XenApp to allow local PowerShell scripts to query XenApp metrics) and soon the indexes were populated with data and the dashboards became usable.

After a while, some data was still missing and I started to investigate. It turned out, that the scripted inputs that run as PowerShell scripts on the XenApp hosts return their timestamps in a format, Splunk interprets wrongly (might be, that the European locale on the Splunk indexers caused the misinterpretation):

10.9.2012 11:05:44 GMT

was interpreted as 10th of September 2012, while it actually was the 9th of October. Of course, this limited (or ruined) the usability of the dashboards :)

Fortunately, this issue can be adressed easily by overriding Splunks automatic timestamp recognition.
Create the file /opt/splunk/etc/apps/SplunkAppForXenApp/local/props.conf on your indexer and add the following lines:

TIME_FORMAT = %m.%d.%Y %H:%M:%S

TIME_FORMAT = %m.%d.%Y %H:%M:%S

TIME_FORMAT = %m.%d.%Y %H:%M:%S

Et voila, from now on the events get timestamped correctly and the dashboards are usable.

For completeness, here is an example of the output generated by the local PowerShell Scripts:

10.9.2012 11:05:44 GMT - AccessSessionGuid="" AccountName="xxx"
ApplicationState="Active" BrowserName="Notepad" ClientAddress="xxx"
ClientBuffers="0 x 0" ClientBuildNumber="6" ClientCacheDisk="0"
ClientCacheLow="3145728" ClientCacheMinBitmapSize="0"
ClientCacheSize="0" ClientCacheTiny="32768" ClientCacheXms="0"
ClientDirectory="C:\PROGRA~1\Citrix\ICACLI~1\" ClientId="3801583231"
ClientIPV4="xxx" ClientName="xxx" ClientProductId="1" ClientType="WI"
ClientVersion="" ColorDepth="Colors32Bit"
ConnectTime="10/09/2012 13:04:46" CurrentTime="10/09/2012 13:05:44"
DirectXEnabled="True" DisconnectTime="" EncryptionLevel="Bits128"
FlashEnabled="True" HorizontalResolution="1024"
LastInputTime="10/09/2012 13:05:13" LogOnTime="10/09/2012 13:04:58"
MachineName="xxx" Protocol="Ica" ServerBuffers="0 x 0" ServerName="xxx"
SessionId="2" SessionName="ICA-TCP#0" SmartAccessFilters=""
State="Active" UsbEnabled="False" VerticalResolution="2560" VirtualIP=""
WmpEnabled="True" UserName="xxx" FarmName="xxx"
SessionUID="129950318982301678:2:xxx" ScriptRunTime="129950319443893718"


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