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64 lines
1.6 KiB
Python
64 lines
1.6 KiB
Python
import boto3
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import pytest
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from dvc.remote.s3 import RemoteS3
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from tests.func.test_data_cloud import _should_test_aws, get_aws_url
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def _get_src_dst():
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base_info = RemoteS3.path_cls(get_aws_url())
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return base_info / "from", base_info / "to"
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def test_copy_singlepart_preserve_etag():
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from_info, to_info = _get_src_dst()
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if not _should_test_aws():
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pytest.skip()
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s3 = boto3.client("s3")
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s3.put_object(Bucket=from_info.bucket, Key=from_info.path, Body="data")
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RemoteS3._copy(s3, from_info, to_info, {})
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def _upload_multipart(s3, Bucket, Key):
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mpu = s3.create_multipart_upload(Bucket=Bucket, Key=Key)
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mpu_id = mpu["UploadId"]
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parts = []
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n_parts = 10
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for i in range(1, n_parts + 1):
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# NOTE: Generation parts of variable size. Part size should be at
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# least 5MB:
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# https://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadComplete.html
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part_size = 10 * 1024 * 1024 + 2 ** i
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body = str(i) * part_size
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part = s3.upload_part(
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Bucket=Bucket,
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Key=Key,
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PartNumber=i,
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UploadId=mpu_id,
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Body=body,
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ContentLength=len(body),
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)
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parts.append({"PartNumber": i, "ETag": part["ETag"]})
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s3.complete_multipart_upload(
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Bucket=Bucket,
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Key=Key,
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UploadId=mpu_id,
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MultipartUpload={"Parts": parts},
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)
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def test_copy_multipart_preserve_etag():
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from_info, to_info = _get_src_dst()
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if not _should_test_aws():
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pytest.skip()
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s3 = boto3.client("s3")
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_upload_multipart(s3, from_info.bucket, from_info.path)
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RemoteS3._copy(s3, from_info, to_info, {})
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