permanent_delete_s3_versioned.rb

permanent_delete_s3_versioned.rb

# params:
#   - bucket: String, the name of the bucket
#   - key: String, the file name in S3 ("key" in S3 naming scheme)
def permanently_delete_key(s3_client, bucket, key)
  # One can get the s3 client from the ActiveStorage instance,
  # or if not using ActiveStorage, just instantiate one with:
  # s3_client = Aws::S3::Client.new

  obj_versions_resp = s3_client.list_object_versions(bucket:, prefix: key)
  obj_versions = obj_versions_resp.versions.select{ |x| x.key == key }
  delete_markers = obj_versions_resp.delete_markers.select{ |x| x.key == key }

  objects_to_delete = (delete_markers + obj_versions).map do |entry|
    { key: entry.key, version_id: entry.version_id }
  end

  rs = s3_client.delete_objects({
    bucket:,
    delete: {
      objects: objects_to_delete,
      quiet: false }
    })

  if rs.errors.length > 0
    # TODO: should retry from the beginning or something, because this means not all versions have been deleted
  end
end