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Fix math overflow when copying large AWS S3 files
Signed-off-by: Paolo Di Tommaso <paolo.ditommaso@gmail.com>
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101 changes: 101 additions & 0 deletions
101
plugins/nf-amazon/src/main/com/upplication/s3fs/util/S3UploadHelper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| /* | ||
| * Copyright 2020-2022, Seqera Labs | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| */ | ||
|
|
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| package com.upplication.s3fs.util; | ||
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| /** | ||
| * | ||
| * @author Paolo Di Tommaso <paolo.ditommaso@gmail.com> | ||
| */ | ||
| public class S3UploadHelper { | ||
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| private static final long _1_KiB = 1024; | ||
| private static final long _1_MiB = _1_KiB * _1_KiB; | ||
| private static final long _1_GiB = _1_KiB * _1_KiB * _1_KiB; | ||
| private static final long _1_TiB = _1_KiB * _1_KiB * _1_KiB * _1_KiB; | ||
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| /** | ||
| * AWS S3 max part size | ||
| * https://docs.aws.amazon.com/AmazonS3/latest/userguide/qfacts.html | ||
| */ | ||
| public static final long MIN_PART_SIZE = 5 * _1_MiB; | ||
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| /** | ||
| * AWS S3 min part size | ||
| * https://docs.aws.amazon.com/AmazonS3/latest/userguide/qfacts.html | ||
| */ | ||
| public static final long MAX_PART_SIZE = 5 * _1_GiB; | ||
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| /** | ||
| * AWS S3 max object size | ||
| * https://docs.aws.amazon.com/AmazonS3/latest/userguide/qfacts.html | ||
| */ | ||
| public static final long MAX_OBJECT_SIZE = 5 * _1_TiB; | ||
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| /** | ||
| * AWS S3 max parts in multi-part upload and copy request | ||
| */ | ||
| public static final int MAX_PARTS_COUNT = 10_000; | ||
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| static public long computePartSize( long objectSize, long chunkSize ) { | ||
| if( objectSize<0 ) throw new IllegalArgumentException("Argument 'objectSize' cannot be less than zero"); | ||
| if( chunkSize<MIN_PART_SIZE ) throw new IllegalArgumentException("Argument 'chunkSize' cannot be less than " + MIN_PART_SIZE); | ||
| // Multipart upload and copy allows max 10_000 parts | ||
| // each part can be up to 5 GB | ||
| // Max file size is 5 TB | ||
| // See https://docs.aws.amazon.com/AmazonS3/latest/userguide/qfacts.html | ||
| long numOfParts = objectSize / chunkSize; | ||
| if( numOfParts > MAX_PARTS_COUNT) { | ||
| final long x = ceilDiv(objectSize, MAX_PARTS_COUNT); | ||
| return ceilDiv(x, 10* _1_MiB) *10* _1_MiB; | ||
| } | ||
| return chunkSize; | ||
| } | ||
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| private static long ceilDiv(long x, long y){ | ||
| return -Math.floorDiv(-x,y); | ||
| } | ||
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| private static long ceilDiv(long x, int y){ | ||
| return -Math.floorDiv(-x,y); | ||
| } | ||
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| static public void checkPartSize(long partSize) { | ||
| if( partSize<MIN_PART_SIZE ) { | ||
| String msg = String.format("The minimum part size for S3 multipart copy and upload operation cannot be less than 5 MiB -- offending value: %d", partSize); | ||
| throw new IllegalArgumentException(msg); | ||
| } | ||
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| if( partSize>MAX_PART_SIZE ) { | ||
| String msg = String.format("The minimum part size for S3 multipart copy and upload operation cannot be less than 5 GiB -- offending value: %d", partSize); | ||
| throw new IllegalArgumentException(msg); | ||
| } | ||
| } | ||
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| static public void checkPartIndex(int i, String path, long fileSize, long chunkSize) { | ||
| if( i < 1 ) { | ||
| String msg = String.format("S3 multipart copy request index cannot less than 1 -- offending value: %d; file: '%s'; size: %d; part-size: %d", i, path, fileSize, chunkSize); | ||
| throw new IllegalArgumentException(msg); | ||
| } | ||
| if( i > MAX_PARTS_COUNT) { | ||
| String msg = String.format("S3 multipart copy request exceed the number of max allowed parts -- offending value: %d; file: '%s'; size: %d; part-size: %d", i, path, fileSize, chunkSize); | ||
| throw new IllegalArgumentException(msg); | ||
| } | ||
| } | ||
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| } |
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124 changes: 124 additions & 0 deletions
124
plugins/nf-amazon/src/test/com/upplication/s3fs/util/S3UploadHelperTest.groovy
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * Copyright 2020-2022, Seqera Labs | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| */ | ||
|
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| package com.upplication.s3fs.util | ||
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| import spock.lang.Shared | ||
| import spock.lang.Specification | ||
| import spock.lang.Unroll | ||
| /** | ||
| * | ||
| * @author Paolo Di Tommaso <paolo.ditommaso@gmail.com> | ||
| */ | ||
| class S3UploadHelperTest extends Specification { | ||
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| @Shared final long _1_KiB = 1_024 | ||
| @Shared final long _1_MiB = _1_KiB **2 | ||
| @Shared final long _1_GiB = _1_KiB **3 | ||
| @Shared final long _1_TiB = _1_KiB **4 | ||
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| @Shared final long _10_MiB = _1_MiB * 10 | ||
| @Shared final long _100_MiB = _1_MiB * 100 | ||
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| @Unroll | ||
| def 'should compute s3 file chunk size' () { | ||
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| expect: | ||
| S3UploadHelper.computePartSize(FILE_SIZE, CHUNK_SIZE) == EXPECTED_CHUNK_SIZE | ||
| and: | ||
| def parts = FILE_SIZE / EXPECTED_CHUNK_SIZE | ||
| parts <= S3UploadHelper.MAX_PARTS_COUNT | ||
| parts > 0 | ||
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| where: | ||
| FILE_SIZE | EXPECTED_CHUNK_SIZE | CHUNK_SIZE | ||
| _1_KiB | _10_MiB | _10_MiB | ||
| _1_MiB | _10_MiB | _10_MiB | ||
| _1_GiB | _10_MiB | _10_MiB | ||
| _1_TiB | 110 * _1_MiB | _10_MiB | ||
| 5 * _1_TiB | 530 * _1_MiB | _10_MiB | ||
| 10 * _1_TiB | 1050 * _1_MiB | _10_MiB | ||
| and: | ||
| _1_KiB | _100_MiB | _100_MiB | ||
| _1_MiB | _100_MiB | _100_MiB | ||
| _1_GiB | _100_MiB | _100_MiB | ||
| _1_TiB | 110 * _1_MiB | _100_MiB | ||
| 5 * _1_TiB | 530 * _1_MiB | _100_MiB | ||
| 10 * _1_TiB | 1050 * _1_MiB | _100_MiB | ||
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| } | ||
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| def 'should check s3 part size' () { | ||
| when: | ||
| S3UploadHelper.checkPartSize(S3UploadHelper.MIN_PART_SIZE) | ||
| then: | ||
| noExceptionThrown() | ||
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| when: | ||
| S3UploadHelper.checkPartSize(S3UploadHelper.MIN_PART_SIZE+1) | ||
| then: | ||
| noExceptionThrown() | ||
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| when: | ||
| S3UploadHelper.checkPartSize(S3UploadHelper.MAX_PART_SIZE-1) | ||
| then: | ||
| noExceptionThrown() | ||
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| when: | ||
| S3UploadHelper.checkPartSize(S3UploadHelper.MAX_PART_SIZE) | ||
| then: | ||
| noExceptionThrown() | ||
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| when: | ||
| S3UploadHelper.checkPartSize(S3UploadHelper.MAX_PART_SIZE+1) | ||
| then: | ||
| thrown(IllegalArgumentException) | ||
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| when: | ||
| S3UploadHelper.checkPartSize(S3UploadHelper.MIN_PART_SIZE-1) | ||
| then: | ||
| thrown(IllegalArgumentException) | ||
| } | ||
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| def 'should check part index' () { | ||
| when: | ||
| S3UploadHelper.checkPartIndex(1, 's3://foo', 1000, 100) | ||
| then: | ||
| noExceptionThrown() | ||
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| when: | ||
| S3UploadHelper.checkPartIndex(S3UploadHelper.MAX_PARTS_COUNT, 's3://foo', 1000, 100) | ||
| then: | ||
| noExceptionThrown() | ||
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| when: | ||
| S3UploadHelper.checkPartIndex(S3UploadHelper.MAX_PARTS_COUNT+1, 's3://foo', 1000, 100) | ||
| then: | ||
| def e1 = thrown(IllegalArgumentException) | ||
| e1.message == "S3 multipart copy request exceed the number of max allowed parts -- offending value: 10001; file: 's3://foo'; size: 1000; part-size: 100" | ||
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| when: | ||
| S3UploadHelper.checkPartIndex(0, 's3://foo', 1000, 100) | ||
| then: | ||
| def e2 = thrown(IllegalArgumentException) | ||
| e2.message == "S3 multipart copy request index cannot less than 1 -- offending value: 0; file: 's3://foo'; size: 1000; part-size: 100" | ||
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| } | ||
| } |