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fix(s3): bucket deletion fails if object creation races against clean…
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…up (#26875)

Adds a DENY policy for S3:PutObject on buckets to be auto-deleted to prevent a race condition on emptying with external bucket writers.

As a new contributor, the requirements for integration testing were unclear to me. I have tested the policy on my own buckets and included unit tests, but am willing to work toward code compliance with assistance.

Closes #26874.

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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*
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miles-po committed Sep 28, 2023
1 parent 0c66a20 commit 735b786
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,8 @@
"Action": [
"s3:DeleteObject*",
"s3:GetBucket*",
"s3:List*"
"s3:List*",
"s3:PutBucketPolicy"
],
"Effect": "Allow",
"Principal": {
Expand Down Expand Up @@ -155,7 +156,7 @@
"S3Bucket": {
"Fn::Sub": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}"
},
"S3Key": "3e6ea85c994cf2198f02e67a9e98e8f23456efa8bd72dd55b3a86454c4db9d5f.zip"
"S3Key": "2ec8ad9e91dcd6e7ad6a5c84ffc6c9c05c408aca3b26ceb2816d81043e6c4dc3.zip"
},
"Timeout": 900,
"MemorySize": 128,
Expand Down Expand Up @@ -187,10 +188,6 @@
"Trail022F0CF2": {
"Type": "AWS::CloudTrail::Trail",
"Properties": {
"IsLogging": true,
"S3BucketName": {
"Ref": "S3486F821D"
},
"EnableLogFileValidation": true,
"EventSelectors": [],
"IncludeGlobalServiceEvents": true,
Expand All @@ -202,7 +199,11 @@
"InsightType": "ApiErrorRateInsight"
}
],
"IsMultiRegionTrail": true
"IsLogging": true,
"IsMultiRegionTrail": true,
"S3BucketName": {
"Ref": "S3486F821D"
}
},
"DependsOn": [
"S3Policy2E4AA1D6"
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