please use elasticdump instead of this package. It's much more powerful and maintained.

elasticsearch-query-to-json

cli tool to fetch all documents from elasticsearch by query.

usage

$ elasticsearch-query-to-json -h "$ELASTIC_HOST" -i "$ELASTIC_INDEX" -b "$QUERY" -o output.json -f jsonPerRow

available options

• --host(-h) host eg. http://elasticsearch.co:9200
• --index(-i) index
• --body(-b) query body - some examples below
• --output(-o) output file - leave empty to write results to stdout
• --format(-f) - possible values:['json','jsonPerRow'] - json means single array with elements, jsonPerRow means every record is encoded as json as put into separate line
• --scroll specify how long a consistent view of the index should be maintained for scrolled search - default 1m
• --size - number of hits to return at once - default 1000
• --contentOnly - write only _source_ field value

some examples of --body

• get all documents from yesterday based on timestamp field

'{"query":{"range":{"timestamp":{"gte":"now-1d/d","lt": "now/d"}}}}'

• get all documents with ip field equals "127.0.0.1"

{"query":{"bool":{"must":[{"match_phrase":{"ip":{"query":"127.0.0.1"}}}]}}}

• Elasticsearch documentation