@asttouf
我最近为EL 2.3.x（https://github.com/betorcs/elastic-recurring-
plugin）写了一个插件。很难找到说明编写步骤的文档。我需要在Google上找到很多参考资料。
我列出了一些我用作参考的项目，希望它们能为您提供帮助。
- https://github.com/elastic/elasticsearch/tree/master/plugins/ingest-attachment
- https://github.com/elastic/elasticsearch-mapper-attachments
- https://www.elastic.co/blog/found-writing-a-plugin
- http://www.flax.co.uk/blog/2016/01/27/fun-frustration-writing-plugin-elasticsearch-ontology-indexing/
已编辑
更多参考：
- https://www.elastic.co/guide/zh-CN/elasticsearch/reference/5.0/modules-scripting-native.html
- https://www.elastic.co/blog/writing-your-own-ingest-processor-for-elasticsearch
插件已更新为支持ES 5.0，请查看https://github.com/betorcs/elastic-recurring-
plugin/tree/5.0
