/
CreateLPQueue.go
88 lines (74 loc) · 2.4 KB
/
CreateLPQueue.go
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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
// snippet-start:[sqs.go.create_lp_queue]
package main
// snippet-start:[sqs.go.create_lp_queue.imports]
import (
"flag"
"fmt"
"strconv"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/sqs"
)
// snippet-end:[sqs.go.create_lp_queue.imports]
// CreateLPQueue creates an Amazon SQS queue with long polling enabled
// Inputs:
//
// sess is the current session, which provides configuration for the SDK's service clients
// queueName is the name of the queue
// waitTime is the wait time, in seconds, for long polling to wait for messages
//
// Output:
//
// If success, the URL of the queue and nil
// Otherwise, an empty string and an error from the call to CreateQueue
func CreateLPQueue(sess *session.Session, queueName *string, waitTime *int) (string, error) {
// snippet-start:[sqs.go.create_lp_queue.call]
svc := sqs.New(sess)
result, err := svc.CreateQueue(&sqs.CreateQueueInput{
QueueName: queueName,
Attributes: aws.StringMap(map[string]string{
"ReceiveMessageWaitTimeSeconds": strconv.Itoa(*waitTime),
}),
})
// snippet-end:[sqs.go.create_lp_queue.call]
if err != nil {
return "", err
}
return *result.QueueUrl, nil
}
func main() {
// snippet-start:[sqs.go.create_lp_queue.args]
queue := flag.String("q", "", "The name of the queue")
waitTime := flag.Int("w", 10, "How long, in seconds, to wait for long polling")
flag.Parse()
if *queue == "" {
fmt.Println("You must supply a queue name (-q QUEUE")
return
}
if *waitTime < 1 {
*waitTime = 1
}
if *waitTime > 20 {
*waitTime = 20
}
// snippet-end:[sqs.go.create_lp_queue.args]
// Create a session that gets credential values from ~/.aws/credentials
// and the default region from ~/.aws/config
// snippet-start:[sqs.go.create_lp_queue.sess]
sess := session.Must(session.NewSessionWithOptions(session.Options{
SharedConfigState: session.SharedConfigEnable,
}))
// snippet-end:[sqs.go.create_lp_queue.sess]
url, err := CreateLPQueue(sess, queue, waitTime)
if err != nil {
fmt.Println("Got an error creating the long polling queue:")
fmt.Println(err)
return
}
// snippet-start:[sqs.go.create_lp_queue.url]
fmt.Println("URL for long polling queue " + *queue + ": " + url)
// snippet-end:[sqs.go.create_lp_queue.url]
}
// snippet-end:[sqs.go.create_lp_queue]