Indexing your office documents with Elastic stack and FSCrawler

A presentation at Elastic London Revival in May 2022 in London, UK by David Pilato

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Indexing your office documents with Elastic and FSCrawler David Pilato Developer | Evangelist, Community @dadoonet 1

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Parsing a stream and getting content and metadata static void extractTextAndMetadata(InputStream stream) throws Exception { BodyContentHandler handler = new BodyContentHandler(); Metadata metadata = new Metadata(); try (stream) { new DefaultParser().parse(stream, handler, metadata, new ParseContext()); String extractedText = handler.toString(); String title = metadata.get(TikaCoreProperties.TITLE); String keywords = metadata.get(TikaCoreProperties.KEYWORDS); String author = metadata.get(TikaCoreProperties.CREATOR); } }

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ingest-attachment plugin extracting from BASE64 or CBOR 5

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An ingest pipeline

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ingest-attachment processor plugin using Tika behind the scene

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Demo https://cloud.elastic.co 8

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FSCrawler You know, for files… 9

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Disclaimer This project is a community project. It is not officially supported by Elastic. Support is only provided by FSCrawler community on discuss and stackoverflow. http://discuss.elastic.co/ https://stackoverflow.com/questions/tagged/fscrawler

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FSCrawler Architecture FSCrawler Local Dir JSON (noop) Mount Point XML SSH / SCP / FTP Apache Tika ES 6/7/8 HTTP Rest Inputs Filters Outputs

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FSCrawler Key Features • • • Much more formats than ingest attachment plugin OCR (Tesseract) Much more metadata than ingest attachment plugin (See https://fscrawler.readthedocs.io/en/latest/admin/fs/elasticsearch.html#generated-fields) • Language detection (But see also https://github.com/spinscale/elasticsearch-ingest-langdetect)

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Documentation • • • • https://fscrawler.readthedocs.io/ https://fscrawler.readthedocs.io/en/latest/user/tutorial.html https://fscrawler.readthedocs.io/en/latest/user/formats.html https://fscrawler.readthedocs.io/en/latest/admin/fs/index.html https://fscrawler.readthedocs.io/en/latest/

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Demo https://cloud.elastic.co 15

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FSCrawler even better with a UI 16

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FSCrawler Architecture FSCrawler Local Dir JSON (noop) Mount Point XML SSH / SCP / FTP Apache Tika WP 7/8 Filters Outputs ES 6/7/8 HTTP Rest Inputs

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Demo https://cloud.elastic.co 18

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Be t 8. a 2 Network drives connector package for Enterprise Search https://github.com/elastic/enterprise-search-network-drives-connector/

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Thanks! PR are warmly welcomed! https://github.com/dadoonet/fscrawler