example_client_roundrobin_test.go

//
// DISCLAIMER
//
// Copyright 2023-2024 ArangoDB GmbH, Cologne, Germany
//
// 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.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//

package examples

import (
	"context"
	"log"

	"github.com/arangodb/go-driver/v2/arangodb"
	"github.com/arangodb/go-driver/v2/connection"
)

// ExampleNewRoundRobinEndpoints shows how to create a client with round-robin endpoint list
func ExampleNewRoundRobinEndpoints() {
	// Create an HTTP connection to the database
	endpoint := connection.NewRoundRobinEndpoints([]string{"https://a:8529", "https://a:8539", "https://b:8529"})
	conn := connection.NewHttp2Connection(connection.DefaultHTTP2ConfigurationWrapper(endpoint, true))

	// Add authentication
	auth := connection.NewBasicAuth("root", "")
	err := conn.SetAuthentication(auth)
	if err != nil {
		log.Fatalf("Failed to set authentication: %v", err)
	}

	// Create a client
	client := arangodb.NewClient(conn)

	// Ask the version of the server
	versionInfo, err := client.Version(context.Background())
	if err != nil {
		log.Printf("Failed to get version info: %v", err)
	}
	log.Printf("Database has version '%s' and license '%s'\n", versionInfo.Version, versionInfo.License)
}