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https://github.com/elastic/go-elasticsearch
The official Go client for Elasticsearch
https://github.com/elastic/go-elasticsearch
client elasticsearch go golang
Last synced: 2 days ago
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The official Go client for Elasticsearch
- Host: GitHub
- URL: https://github.com/elastic/go-elasticsearch
- Owner: elastic
- License: apache-2.0
- Created: 2017-03-27T17:56:15.000Z (over 7 years ago)
- Default Branch: main
- Last Pushed: 2024-11-20T12:06:25.000Z (22 days ago)
- Last Synced: 2024-11-26T03:04:02.387Z (16 days ago)
- Topics: client, elasticsearch, go, golang
- Language: Go
- Homepage: https://github.com/elastic/go-elasticsearch#go-elasticsearch
- Size: 51.8 MB
- Stars: 63
- Watchers: 183
- Forks: 617
- Open Issues: 70
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
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README
# go-elasticsearch
The official Go client for [Elasticsearch](https://www.elastic.co/products/elasticsearch).
**[Download the latest version of Elasticsearch](https://www.elastic.co/downloads/elasticsearch)**
or
**[sign-up](https://cloud.elastic.co/registration?elektra=en-ess-sign-up-page)**
**for a free trial of Elastic Cloud**.
[](https://pkg.go.dev/github.com/elastic/go-elasticsearch/v8)
[](https://goreportcard.com/report/github.com/elastic/go-elasticsearch)
[](https://codecov.io/gh/elastic/go-elasticsearch?branch=main)
[](https://github.com/elastic/go-elasticsearch/actions?query=branch%3Amain)
[](https://github.com/elastic/go-elasticsearch/actions?query=branch%3Amain)
[](https://github.com/elastic/go-elasticsearch/actions?query=branch%3Amain)
[](https://github.com/elastic/go-elasticsearch/actions?query=branch%3Amain)
## Compatibility
### Go
Starting from version `8.12.0`, this library follow the Go language [policy](https://go.dev/doc/devel/release#policy). Each major Go release is supported until there are two newer major releases. For example, Go 1.5 was supported until the Go 1.7 release, and Go 1.6 was supported until the Go 1.8 release.
### Elasticsearch
Language clients are forward compatible; meaning that clients support communicating with greater or equal minor versions of Elasticsearch.
Elasticsearch language clients are only backwards compatible with default distributions and without guarantees made.
When using Go modules, include the version in the import path, and specify either an explicit version or a branch:
require github.com/elastic/go-elasticsearch/v8 v8.0.0
require github.com/elastic/go-elasticsearch/v7 7.17
It's possible to use multiple versions of the client in a single project:
// go.mod
github.com/elastic/go-elasticsearch/v7 v7.17.0
github.com/elastic/go-elasticsearch/v8 v8.0.0
// main.go
import (
elasticsearch7 "github.com/elastic/go-elasticsearch/v7"
elasticsearch8 "github.com/elastic/go-elasticsearch/v8"
)
// ...
es7, _ := elasticsearch7.NewDefaultClient()
es8, _ := elasticsearch8.NewDefaultClient()
The `main` branch of the client is compatible with the current `master` branch of Elasticsearch.
## Installation
Refer to the [Installation section](https://www.elastic.co/guide/en/elasticsearch/client/go-api/current/getting-started-go.html#_installation)
of the getting started documentation.
## Connecting
Refer to the [Connecting section](https://www.elastic.co/guide/en/elasticsearch/client/go-api/current/getting-started-go.html#_connecting)
of the getting started documentation.
## Operations
* [Creating an index](https://www.elastic.co/guide/en/elasticsearch/client/go-api/current/getting-started-go.html#_creating_an_index)
* [Indexing documents](https://www.elastic.co/guide/en/elasticsearch/client/go-api/current/getting-started-go.html#_indexing_documents)
* [Getting documents](https://www.elastic.co/guide/en/elasticsearch/client/go-api/current/getting-started-go.html#_getting_documents)
* [Searching documents](https://www.elastic.co/guide/en/elasticsearch/client/go-api/current/getting-started-go.html#_searching_documents)
* [Updating documents](https://www.elastic.co/guide/en/elasticsearch/client/go-api/current/getting-started-go.html#_updating_documents)
* [Deleting documents](https://www.elastic.co/guide/en/elasticsearch/client/go-api/current/getting-started-go.html#_deleting_documents)
* [Deleting an index](https://www.elastic.co/guide/en/elasticsearch/client/go-api/current/getting-started-go.html#_deleting_an_index)
## Helpers
The `esutil` package provides convenience helpers for working with the client. At the moment, it provides the `esutil.JSONReader()` and the `esutil.BulkIndexer` helpers.
## Examples
The **[`_examples`](./_examples)** folder contains a number of recipes and comprehensive examples to get you started with the client, including configuration and customization of the client, using a custom certificate authority (CA) for security (TLS), mocking the transport for unit tests, embedding the client in a custom type, building queries, performing requests individually and in bulk, and parsing the responses.
## License
This software is licensed under the [Apache 2 license](./LICENSE). See [NOTICE](./NOTICE).