Impossible to store backups in AWS S3 eu-south-2 (Spain) region

[yajo]

For some weird reason, when setting region=eu-south-2 (because the bucket is there), the operator will fail to connect to the buckets, with this error:

INFO[2023/02/20 10:48:16] invoking set s3 service client                insecure-tls-skip-verify=false s3-accessKey=MYACCESSKEY s3-bucketName=mybucket s3-endpoint=s3-accesspoint.dualstack.eu-south-2.amazonaws.com s3-endpoint-ca= s3-folder= s3-region=eu-south-2
ERRO[2023/02/20 10:48:16] error syncing 'default-location-recurring-backup': handler backups: failed to check if s3 bucket [mybucket] exists, error: 400 Bad Request, requeuing 

Workaround: Move the bucket to eu-west-3 and reconfigure the operator.

@moduon MT-2305

[MKlimuszka]

We will investigate further. No initial leads after reviewing what is reported here.

[jbiers]

We could not reproduce this issue. In our tests, changing from a us-east-1 to a eu-south-2 bucket did not result in any errors and backups could be saved successfully. This is likely an issue with the cloud setup and not with Rancher/BRO.

[mallardduck]

Since our team cannot replicate this issue based on the region as described we'll close this out. As mentioned by @jbiers - it's more likely there are other configuration issues or incompatible settings in use on the bucket in that region. If you identify what those settings are please follow up and let us know.