Chasing MinIO Bug in Replication - cniackz/public GitHub Wiki

Objective:

To find out in which commit of MinIO replication deletion rules got broken.

Steps:

1. Pick the commit:

• https://github.com/minio/minio/pull/16221

commit d37e51473320f2ae603044f67977336e75f59c10 (HEAD -> master)
Author: Poorna <[email protected]>
Date:   Wed Dec 14 03:24:06 2022 -0800

    Cleanup remote targets automatically on replication config removal. (#16221)

2. Set the version:

git reset --hard commit-id

3. Compile

make

4. Execute MinIO

MINIO_ROOT_USER=minio MINIO_ROOT_PASSWORD=minio123 ./minio server /Volumes/data{1...4} --address :9000 --console-address :9001

5. Create a Replication Rule:

6. Delete the replication Rule:

7. Refresh screen, rule deleted but api returned 500:

8. mc trace on failure

$ mc admin trace -a --funcname admin* --funcname s3* myminio/
2022-12-15T12:00:19.470 [200 OK] s3.GetBucketLocation 127.0.0.1:9000/bucket-a/?location=  127.0.0.1         1.244ms      ↑ 98 B ↓ 128 B
2022-12-15T12:00:19.472 [200 OK] s3.GetBucketReplicationConfig 127.0.0.1:9000/bucket-a/?replication=  127.0.0.1         402µs       ↑ 98 B ↓ 637 B
2022-12-15T12:00:19.473 [200 OK] s3.DeleteBucketReplicationConfig 127.0.0.1:9000/bucket-a/?replication=  127.0.0.1         15.861ms     ↑ 98 B ↓ 0 B
2022-12-15T12:00:19.490 [404 Not Found] admin.RemoveRemoteTarget 127.0.0.1:9000/minio/admin/v3/remove-remote-target?arn=arn%3Aminio%3Areplication%3A%3Ab482c48d-b797-4dac-9be4-be6289bd55d6%3Abucket-b&bucket=bucket-a  127.0.0.1         223µs       ↑ 98 B ↓ 246 B

9. mc trace when working

$ mc admin trace -a --funcname admin* --funcname s3* myminio/
2022-12-15T12:04:53.190 [200 OK] s3.GetBucketLocation 127.0.0.1:9000/bucket-a/?location=  127.0.0.1         682µs       ↑ 98 B ↓ 128 B
2022-12-15T12:04:53.192 [200 OK] s3.GetBucketReplicationConfig 127.0.0.1:9000/bucket-a/?replication=  127.0.0.1         958µs       ↑ 98 B ↓ 637 B
2022-12-15T12:04:53.193 [200 OK] s3.DeleteBucketReplicationConfig 127.0.0.1:9000/bucket-a/?replication=  127.0.0.1         23.448ms     ↑ 98 B ↓ 0 B
2022-12-15T12:04:53.217 [204 No Content] admin.RemoveRemoteTarget 127.0.0.1:9000/minio/admin/v3/remove-remote-target?arn=arn%3Aminio%3Areplication%3A%3A542e079f-0b0c-4b61-b739-f37d631a427f%3Abucket-b&bucket=bucket-a  127.0.0.1         2.444ms      ↑ 98 B ↓ 0 B
2022-12-15T12:04:53.230 [200 OK] s3.GetBucketLocation 127.0.0.1:9000/bucket-a/?location=  127.0.0.1         290µs       ↑ 98 B ↓ 128 B
2022-12-15T12:04:53.231 [404 Not Found] s3.GetBucketReplicationConfig 127.0.0.1:9000/bucket-a/?replication=  127.0.0.1         252µs       ↑ 98 B ↓ 322 B