configuration.go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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.

//go:build ignore
// +build ignore

package main

import (
	"crypto/tls"
	"log"
	"net"
	"net/http"
	"time"

	"github.com/elastic/go-elasticsearch/v8"
)

func main() {
	log.SetFlags(0)

	// This example demonstrates how to configure the client's Transport.
	//
	// NOTE: These values are for illustrative purposes only, and not suitable
	//       for any production use. The default transport is sufficient.
	//
	cfg := elasticsearch.Config{
		Addresses: []string{"http://localhost:9200"},
		Transport: &http.Transport{
			MaxIdleConnsPerHost:   10,
			ResponseHeaderTimeout: time.Millisecond,
			DialContext:           (&net.Dialer{Timeout: time.Nanosecond}).DialContext,
			TLSClientConfig: &tls.Config{
				MinVersion: tls.VersionTLS12,
				// ...
			},
		},
	}

	es, err := elasticsearch.NewClient(cfg)
	if err != nil {
		log.Printf("Error creating the client: %s", err)
	} else {
		log.Println(es.Info())
		// => dial tcp: i/o timeout
	}
}