我正在编写一个 go 函数来从 AWS S3 存储桶下载文件。
func DownloadFromS3Bucket() {
bucket := "cellery-runtime-installation"
item := "hello-world.txt"
file, err := os.Create(item)
if err != nil {
fmt.Println(err)
}
defer file.Close()
// Initialize a session in us-west-2 that the SDK will use to load
// credentials from the shared credentials file ~/.aws/credentials.
sess, _ := session.NewSession(&aws.Config{
Region: aws.String("us-east-1")},
)
downloader := s3manager.NewDownloader(sess)
numBytes, err := downloader.Download(file,
&s3.GetObjectInput{
Bucket: aws.String(bucket),
Key: aws.String(item),
})
if err != nil {
fmt.Println(err)
}
fmt.Println("Downloaded", file.Name(), numBytes, "bytes")
}
但是,我收到一条要求凭据的错误消息。
NoCredentialProviders: no valid providers in chain. Deprecated. For verbose messaging see aws.Config.CredentialsChainVerboseErrors
文档没有具体说明如何设置凭据。 (访问 key ID, secret 访问 key )
有什么想法吗?
最佳答案
设置凭据的方法有多种。更多详情 aws/credentials .
比如可以通过设置环境变量来指定:
AWS_ACCESS_KEY = <your_access_key>
AWS_SECRET_KEY = <your_secret_key>
然后只需在您的配置实例中使用 credentials.NewEnvCredentials()
:
sess, _ := session.NewSession(&aws.Config{
Region: aws.String("us-east-1"),
Credentials: credentials.NewEnvCredentials(),
})
关于amazon-web-services - 如何使用 golang 从 AWS S3 下载,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54399421/