I have an input as
20170301:18544482:INFO 10.0.0.67 ABCLOG sending request
20170301:18321276:ERROR 10.0.0.67 ABCLOG got response
Above are sample input for my logstash, where input is in foll format
yyyymmdd:hhmmssSS:loglevel IP message
How to I split the above mentioned timing and convert it into @timestamp format so that i can use the log timing as my default time in ES and Kibana.