detail for https://twitter.com/azihsoyn/status/425837771870044160 同じような設定を書くのがめんどくさかったので。。 過去にも似たのがあった → https://twitter.com/cosadn/status/273498369240989696

gistfile1.txt

<match elasticsearch.system1.subsystem1.server1.**>
        index_name system1
        type_name subsystem1
        type elasticsearch
        include_tag_key true
        tag_key @log_name
        host xxx.xxx.xxx.xxx
        port 9200
        logstash_format true
        flush_interval 10s
</match>

<match elasticsearch.system1.subsystem2.server2.**>
        index_name system1
        type_name subsystem2
        type elasticsearch
        include_tag_key true
        tag_key @log_name
        host xxx.xxx.xxx.xxx
        port 9200
        logstash_format true
        flush_interval 10s
</match>

↓

<match elasticsearch.*.*.**>
        index_name $1
        type_name $2
        type elasticsearch
        include_tag_key true
        tag_key @log_name
        host xxx.xxx.xxx.xxx
        port 9200
        logstash_format true
        flush_interval 10s
</match>