Go-sdk-v2 set log group retention to 1 day

main.go

package main

import (
	"fmt"
	"os"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/aws/external"
	"github.com/aws/aws-sdk-go-v2/service/cloudwatchlogs"
)

const (
	logGroupRetentionDays = 1
)

func main() {
	awscfg, err := external.LoadDefaultAWSConfig()
	if err != nil {
		exitErrorf("failed to load config, %v", err)
	}

	svc := cloudwatchlogs.New(awscfg)
	req := svc.DescribeLogGroupsRequest(
		&cloudwatchlogs.DescribeLogGroupsInput{})
	p := req.Paginate()

	for p.Next() {
		page := p.CurrentPage()
		for _, obj := range page.LogGroups {
			req := svc.PutRetentionPolicyRequest(
				&cloudwatchlogs.PutRetentionPolicyInput{
					LogGroupName:    obj.LogGroupName,
					RetentionInDays: aws.Int64(logGroupRetentionDays)})
			//output is always none, err may not be
			_, err := req.Send()
			if err != nil {
				fmt.Println("errrr:", err)
			}
		}
	}
	if err := p.Err(); err != nil {
		exitErrorf("paging error %v", err)
	}

}
func exitErrorf(msg string, args ...interface{}) {
	fmt.Fprintf(os.Stderr, msg+"\n", args...)
	os.Exit(1)
}