Created
July 19, 2010 06:29
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require 'rubygems' | |
require 'right_aws' | |
aws_access_key_id = 'YOUR AMAZON ACCESS KEY' | |
aws_secret_access_key = 'YOUR AMAZON SECRET ACCESS KEY' | |
source_bucket = 'SOURCE BUCKET NAME' | |
target_bucket = 'TARGET BUCKET NAME' | |
prefixes = [PATH_PREFIX1, PATH_PREFIX2, ...] | |
s3 = RightAws::S3Interface.new(aws_access_key_id, aws_secret_access_key) | |
Signal.trap("TERM") do | |
puts ("TERM signal received.") | |
exit | |
end | |
(prefixes || ['']).each do |prefix| | |
copied_keys = Array.new | |
s3.incrementally_list_bucket(target_bucket, {:prefix => prefix}) do |key_set| | |
copied_keys << key_set[:contents].map{|k| k[:key]}.flatten | |
end | |
copied_keys.flatten! | |
s3.incrementally_list_bucket(source_bucket, {:prefix => prefix}) do |key_set| | |
key_set[:contents].each do |key| | |
key = key[:key] | |
if copied_keys.include?(key) | |
puts "#{target_bucket} #{key} already exists. Skipping..." | |
else | |
puts "Copying #{source_bucket} #{key}, setting ACLs." | |
retries=0 | |
begin | |
s3.copy(source_bucket, key, target_bucket) | |
acl = s3.get_acl(source_bucket, key) | |
s3.put_acl(target_bucket, key, acl[:object]) | |
rescue Exception => e | |
puts "cannot copy key, #{e.inspect}\nretrying #{retries} out of 10 times..." | |
retries += 1 | |
retry if retries < 10 | |
end | |
end | |
end | |
end | |
end |
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