elasticsearch.js 14.0.0-SNAPSHOT

The official low-level Elasticsearch client for Node.js and the browser.

Features

One-to-one mapping with REST API and the other official clients
Generalized, pluggable architecture. See Extending Core Components
Configurable, automatic discovery of cluster nodes
Persistent, Keep-Alive connections
Load balancing (with pluggable selection strategy) across all available nodes.

Use in Node.js

npm install elasticsearch

Use in the Browser

Check out the Browser Builds doc page for help downloading and setting up the client for use in the browser.

Docs

Questions?

You can probably find help in #kibana on freenode.

Supported Elasticsearch Versions

Elasticsearch.js provides support for, and is regularly tested against, Elasticsearch releases 0.90.12 and greater. We also test against the latest changes in several branches in the Elasticsearch repository. To tell the client which version of Elastisearch you are using, and therefore the API it should provide, set the apiVersion config param. More info

Examples

Create a client instance

var elasticsearch = require('elasticsearch');
var client = new elasticsearch.Client({
  host: 'localhost:9200',
  log: 'trace'
});

Send a HEAD request to / and allow up to 1 second for it to complete.

client.ping({
  // ping usually has a 3000ms timeout
  requestTimeout: 1000
}, function (error) {
  if (error) {
    console.trace('elasticsearch cluster is down!');
  } else {
    console.log('All is well');
  }
});

Skip the callback to get a promise back

client.search({
  q: 'pants'
}).then(function (body) {
  var hits = body.hits.hits;
}, function (error) {
  console.trace(error.message);
});

Find tweets that have "elasticsearch" in their body field

client.search({
  index: 'twitter',
  type: 'tweets',
  body: {
    query: {
      match: {
        body: 'elasticsearch'
      }
    }
  }
}).then(function (resp) {
    var hits = resp.hits.hits;
}, function (err) {
    console.trace(err.message);
});

More examples and detailed information about each method are available here

License

This software is licensed under the Apache 2 license, quoted below.

Copyright (c) 2014 Elasticsearch <http://www.elasticsearch.org>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

License

kjg/elasticsearch-js

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