Logstash add date field to logs -

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my application produces logs, without timestamp. there way in logstash append timestamp logs on processing

something like,

mutate {     add_field => { "timestamp" => "%{date}" }   }

logstash adds @timestamp field default. don't need set additional. logstash take time event received , add field you.

for example if try command:

ls_home/bin/logstash -e 'input { stdin {} } output { stdout { codec => rubydebug } }'

you see automatically created @timestamp field in result:

"@timestamp": "2015-07-13t17:41:13.174z"

you can change format , timezone using date filter or can match timestamp of event (e.g. syslog timestamp) using other filters grok or json.


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