logstash-apache-log-extraction-to-elasticsearch-index.conf

input {
        file {
                path => "/home/user/apache/logs/acess_log"
                start_position => "beginning"
        }
}

filter {
        grok {
                match => {"message" => "%{COMBINEDAPACHELOG}"}
        }
        date {
                match => ["timestamp", "dd/MM/yyyy:HH:mm:ss Z"]
        }
}

output {
        elasticsearch {
                hosts => ["localhost:9200"]
        }
        stdout {
                codec => rubydebug
        }
}