python - 创建 AWS S3 存储桶时，无区域是什么意思？

Question

我刚刚使用 AWS CLI 创建了一个存储桶:

aws s3 mb s3://new-bucket-created

然后在使用 boto3 列出我的 S3 帐户中的所有存储桶时:

s3 = boto3.client('s3')
response = s3.list_buckets()

buckets = {}
for bucket in response['Buckets']:
    bucket_name = bucket["Name"]
    bucket_region = s3.get_bucket_location(Bucket=bucket_name)['LocationConstraint']
    buckets.update({bucket_name:bucket_region})

for bucket, region in buckets.items():
    print("{}, {}".format(bucket, region))

输出显示区域指定为 sa-east-1 的所有旧桶，但较新的是无:
输出

older-bucket, sa-east-1
another-older-bucket, sa-east-1
yet-another-older-bucket, sa-east-1
new-bucket-created, None

我可以在那个新创建的存储桶中写入，但为什么我看不到它的区域？肯定有一个地方，有什么想法吗？

Answer 1

Buckets in Region us-east-1 have a LocationConstraint of null .

https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/s3.html#S3.Client.get_bucket_location
要解决此问题，请更新您的代码 bucket_region = s3.get_bucket_location(Bucket=bucket_name).get('LocationConstraint', 'us-east-1') (这假设 LocationConstraint 键实际上不存在于响应中)
或 buckets.update({bucket_name: bucket_region or 'us-east-1'}) , 如果定义，将返回区域，否则返回默认值