input {
    # 来源beats
    beats {
        # 端口
        port => "5044"
    }
}
# 分析、过滤插件，可以多个
filter {
    grok {
        match => { "message" => "%{COMBINEDAPACHELOG}"}
    }
    geoip {
        source => "clientip"
    }
}
output {
    # 选择elasticsearch
    elasticsearch {
        hosts => ["http://es-master:9200"]
        index => "%{[@metadata][beat]}-%{[@metadata][version]}-%{+YYYY.MM.dd}"
    }
}