Created
April 19, 2010 19:40
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# -*- coding: utf-8 -*- | |
# S3 Backup Task for MySQL & SQLite | |
# Assumes InnoDB tables | |
# If using MySQL database user needs the "reload" permission on the database (for --flush-logs in mysqldump) | |
# | |
# Stores files in Amazon S3 using the excellent AWS Gem: http://amazon.rubyforge.org/ | |
# For information about Amazon S3: http://aws.amazon.com/s3 | |
# | |
# Installation | |
# 1) Install AWS Gem | |
# 2) Enter your S3 Bucket, access_key_id and secret_access_key in this file | |
# 3) Run (rake db:backup) | |
# | |
# Inspired by code from: | |
# http://blog.craigambrose.com/articles/2 … se-backups | |
# http://www.rubyinside.com/advent2006/15-s3rake.html | |
# http://info-architects.net/2007/08/25/r … amazon-s3/ | |
namespace :db do | |
require "aws/s3" | |
require "ftools" | |
desc "Backup database to Amazon S3" | |
task :backup => :environment do | |
BUCKET = "my.bucket.name" | |
begin | |
AWS::S3::Base.establish_connection!( | |
:access_key_id => "111", | |
:secret_access_key => "111" | |
) | |
db_config = ActiveRecord::Base.configurations[RAILS_ENV] | |
backup_path = "db/backup" | |
File.makedirs(backup_path) | |
case db_config['adapter'] | |
when 'mysql' | |
stored_file = backup_file(backup_path, "#{db_config['database']}.sql.gz") | |
sh "mysqldump -u #{db_config['username']} -p #{db_config['password']} --single-transaction --flush-logs --add-drop-table --add-locks --create-options --disable-keys --extended-insert --quick #{db_config['database']} | gzip -c > #{stored_file}" | |
when 'sqlite3' | |
stored_file = backup_file(backup_path, File.basename(db_config['database'])) | |
File.copy "#{RAILS_ROOT}/#{db_config['database']}", stored_file | |
else | |
puts "Unable to backup databases of type: #{db_config['adapter']}" | |
end | |
if stored_file && File.exists?(stored_file) | |
puts "Created backup: #{stored_file}" | |
puts "Storing file in S3: #{BUCKET}" | |
AWS::S3::S3Object.store(stored_file, open(stored_file), BUCKET) | |
puts "Backup Complete" | |
else | |
puts "Unable to create backup" | |
end | |
rescue AWS::S3::ResponseError => error | |
puts error.response.code.to_s + ": " + error.message | |
end | |
end | |
def backup_file(path, file) | |
File.join(path, "db_#{Time.now.strftime("%Y%m%d%H%M%S")}_#{file}") | |
end | |
end |
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