使用 aws-sdk gem 将 blob 从 S3 复制到 Swift

Copy blob from S3 to Swift using aws-sdk gem

我在 Amazon S3 中存储了一堆 blob。 Ruby aws-sdk gem 似乎支持Swift,我们只需要传递端点:

swift_client = Aws::S3::Resource.new(
  endpoint: 'https://swift.me.com/,
  bucket: 'bucket',
  credentials: Aws::Credentials.new(access_key_id, secret_access_key))
swift_bucket = swift_client.bucket('bucket')

s3_client = Aws::S3::Resource.new(
  region: 'us-east-1',
  bucket: 'bucket',
  credentials: Aws::Credentials.new(access_key_id, secret_access_key))
s3_bucket = s3_client.bucket('s3-bucket')

# This object exists, s3_object.exists? => true
s3_object = s3_bucket.object('SOMEUID') 
swift_object = swift_bucket.object('SOMEUID') # UID is the same as in S3
# I want to copy s3 object to swift, so I do:
swift_object.copy_from(copy_source: "#{s3_bucket.name}/#{s3_object.key}")

此时我得到"Aws::S3::Errors::NoSuchKey: The specified key does not exist."。如果我做同样的事情,反之亦然(从 Swift 到 S3),它工作正常。

甚至可以使用 aws-sdk gem 将数据从 S3 复制到 Swift 还是我应该寻找其他工具?

解决方案是手动复制内容,因为 Swift 不会在 copy_from 执行时创建对象。

to_object.put(body: object.get.body)