Usando la API REST es posible determinar el número de versión del servidor (en este caso "7.10.2")
curl 'https://search-elasticsearch-aws-710-public-v7fycso36gekt3vjabelkne2fa.eu-west-1.es.amazonaws.com' { "name" : "3af17e13e3e29b64cd0f32c57edadc0e", "cluster_name" : "206020203570:elasticsearch-aws-710-public", "cluster_uuid" : "i19BVkuJTjmivIeg0VRWwA", "version" : { "number" : "7.10.2", "build_flavor" : "oss", "build_type" : "tar", "build_hash" : "unknown", "build_date" : "2021-07-20T13:48:00.963660Z", "build_snapshot" : false, "lucene_version" : "8.7.0", "minimum_wire_compatibility_version" : "6.8.0", "minimum_index_compatibility_version" : "6.0.0-beta1" }, "tagline" : "You Know, for Search" } ¿Es posible devolver la misma información usando solo la biblioteca @elastic/elasticsearch js?
¡Lo averigué!
const elasticsearch = require('@elastic/elasticsearch'); const client = new elasticsearch.Client(options); client.info().then(info => { console.log(info); }); { "name": "65efdbcd59450304fa4d07a7faf0cd83", "cluster_name": "891817851964:content-api-es7-test", "cluster_uuid": "5soRYzoSQPiinSp4kDIG8B", "version": { "number": "7.10.2", "build_flavor": "oss", "build_type": "tar", "build_hash": "unknown", "build_date": "2021-07-20T13:48:00.963660Z", "build_snapshot": false, "lucene_version": "8.7.0", "minimum_wire_compatibility_version": "6.8.0", "minimum_index_compatibility_version": "6.0.0-beta1" }, "tagline": "You Know, for Search" }