s3stat_setup.rb

# You can skip these lines if you'd prefer to work with s3sh
require 'rubygems'
require 'aws/s3'
include AWS::S3

AWS::S3::DEFAULT_HOST.replace "s3-eu-west-1.amazonaws.com"

AWS::S3::Base.establish_connection!(
   :access_key_id     => 'abc', 
   :secret_access_key => '123'
)

# Fetch the bucket

bucket = Bucket.find('your-bucket-name')
policy = bucket.acl

# Enable logging
Bucket.enable_logging_for(bucket.name, 'target_prefix' => 'log/access_log-')

# Set up the logging read ACP grant
read_acp_grant = ACL::Grant.grant :logging_read_acp

# Set up the logging write grant
write_grant = ACL::Grant.grant :logging_write

# Set up the grantee
grantee = ACL::Grantee.new
grantee.email_address = '[email protected]'

# Set up the full control rights grant
full_control_grant = ACL::Grant.new
full_control_grant.permission = 'FULL_CONTROL'

full_control_grant.grantee = grantee

policy.grants << read_acp_grant
policy.grants << write_grant
policy.grants << full_control_grant

# Set the bucket's ACL
bucket.acl(policy)