mc batch replication without S3 credentials

[jhidalgo-lopez]

Expected behavior

Considering BUCKET a public S3 bucket and the following replication.yaml:

replicate:
  apiVersion: v1
# SOURCE
  source:
    type: "s3"
    bucket: BUCKET
    prefix: ""
    endpoint: S3_ENDPOINT
    credentials:
      accessKey: ""
      secretKey: ""
# TARGET
  target:
    type: "minio"
    bucket: LOCAL_BUCKET

mc batch start ALIAS replication.yaml should work as mc mirror when setting up an mc alias such as mc alias set ALIAS S3_ENDPOINT without credentials: Replicating the public bucket using no S3 credentials.

Actual behavior

Task fails: mc: <ERROR> Unable to start job. Invalid arguments specified.

Steps to reproduce the behavior

Set up replication.yaml as stated with this:

• S3_ ENDPOINT -> "https://s3-eu-west-1.amazonaws.com"
• BUCKET -> "ngi-igenomes"
• LOCAL_BUCKET -> any local bucket
  mc batch start ALIAS replication.yaml

mc --version

mc version RELEASE.2023-08-18T21-57-55Z (commit-id=acc25b8c5057e85dbca855f9d417f13de0603e60)
Runtime: go1.19.12 linux/amd64
Copyright (c) 2015-2023 MinIO, Inc.
License GNU AGPLv3 https://www.gnu.org/licenses/agpl-3.0.html

System information

Ubuntu 22.04 - amd64