Logstash configuration for my irssi logs

logstash.conf

input {

        file {
                type => "irssi_logs"
                path => "/home/fastjack/irclogs/*/*/*.log"
                start_position => "beginning"
        }
}

filter {
        if [type] == "irssi_logs" {
                grok {
                        match => { "message" => "(?<timestamp>%{TIMESTAMP_ISO8601})[\<]*[@+* ]%{SPACE}*(?<nick>[^> ]*)[\>]+%{SPACE}(?<text>.*)" }
                }
                grok {
                        match => { "path" => "\A/home/fastjack/irclogs/(?<network>%{WORD})/(?<irc_channel>[#+]*[^\/]+)/.*\.log" }
                }
                if "_grokparsefailure" in [tags] {
                        drop {}
                }
                date {
                        match => [ "timestamp", "YYYY-MM-dd HH:mm:ss" ]
                        target => "@timestamp"
                }
                mutate {
                        remove_field => [ "timestamp" ]
                }
        }
}

output {
        # Emit events to stdout for easy debugging of what is going through
        # logstash.
        # stdout { codec => rubydebug }

        # This will use elasticsearch to store your logs.
        elasticsearch { hosts => [ "localhost:9200" ] }
}