<p>Is there a rake task for backing up the data in your database? </p>

<p>I already have my schema backed up, but I want to make a backup of the data. It's a small MySQL database. </p>

[{'answer_id': 27448, 'author': 'thelsdj', 'author_id': 163, 'author_profile': 'https://Stackoverflow.com/users/163', 'pm_score': 4, 'selected': True, 'text': '<p>The below script is a simplified version taken from <a href="http://github.com/engineyard/eycap/tree/master" rel="nofollow noreferrer">eycap</a>, specifically from <a href="http://github.com/engineyard/eycap/tree/master/lib/eycap/recipes/database.rb" rel="nofollow noreferrer">this file</a>.</p>\n\n<pre><code>set :dbuser "user"\nset :dbhost "host"\nset :database "db"\n\nnamespace :db do\n  desc "Get the database password from user"\n  task :get_password do\n    set(:dbpass) do\n      Capistrano::CLI.ui.ask "Enter mysql password: "\n    end\n  end\n\n  task :backup_name, :only =&gt; { :primary =&gt; true } do\n    now = Time.now\n    run "mkdir -p #{shared_path}/db_backups"\n    backup_time = [now.year,now.month,now.day,now.hour,now.min,now.sec].join(\'-\')\n    set :backup_file, "#{shared_path}/db_backups/#{database}-snapshot-#{backup_time}.sql"\n  end\n\n  desc "Dump database to backup file"\n  task :dump, :roles =&gt; :db, :only =&gt; {:primary =&gt; true} do\n    backup_name\n    run "mysqldump --add-drop-table -u #{dbuser} -h #{dbhost} -p#{dbpass} #{database} | bzip2 -c &gt; #{backup_file}.bz2"\n  end\nend\n</code></pre>\n\n<p>Edit: Yeah, I guess I missed the point that you were looking for a rake task and not a capistrano task, but I don\'t have a rake one on hand, sorry.</p>\n'}, {'answer_id': 27503, 'author': 'Chris Bunch', 'author_id': 422, 'author_profile': 'https://Stackoverflow.com/users/422', 'pm_score': 1, 'selected': False, 'text': '<p>I don\'t have a rake task for backing up my MySQL db, but I did write a script in Ruby to do just that for my WordPress DB:</p>\n\n<pre><code>filename = \'wp-config.php\'\ndef get_db_info(file)\n  username = nil\n  password = nil\n  db_name = nil\n\n  file.each { |line|\n    if line =~ /\'DB_(USER|PASSWORD|NAME)\', \'([[:alnum:]]*)\'/\n      if $1 == "USER"\n        username = $2\n      elsif $1 == "PASSWORD"\n        password = $2\n      elsif $1 == "NAME"\n        db_name = $2\n      end\n    end\n  }\n\n  if username.nil? || password.nil? || db_name.nil?\n    puts "[backup_db][bad] couldn\'t get all needed info"\n    exit\n  end\n\n  return username, password, db_name\nend\n\nbegin\n  config_file = open("#{filename}")\nrescue Errno::ENOENT\n  puts "[backup_db][bad] File \'#{filename}\' didn\'t exist"\n  exit\nelse\n  puts "[backup_db][good] File \'#{filename}\' existed"\nend\n\nusername, password, db_name = get_db_info(config_file)\nsql_dump_info = `mysqldump --user=#{username} --password=#{password} #{dbname}`\nputs sql_dump_info\n</code></pre>\n\n<p>You should be able to take this and do some mild pruning of it to put in your username/password/dbname to get it up and working for you. I put it in my crontab to run everyday as well, and it shouldn\'t be too much work to convert this to run as a rake task since it\'s already Ruby code (might be a good learning exercise as well).</p>\n\n<p>Tell us how it goes!</p>\n'}, {'answer_id': 27511, 'author': 'roo', 'author_id': 716, 'author_profile': 'https://Stackoverflow.com/users/716', 'pm_score': 1, 'selected': False, 'text': '<p>There are <a href="http://code.google.com/p/ar-backup/" rel="nofollow noreferrer">a</a> <a href="http://topfunky.net/svn/shovel/backup.rake" rel="nofollow noreferrer">few</a> <a href="http://snippets.dzone.com/posts/show/4777" rel="nofollow noreferrer">solutions</a> already on google. I am going to guess that you are using activerecord as your orm?</p>\n\n<p>If you are running rails, then you can looks at the Rakefile that it uses for activerecord in \\ruby\\lib\\ruby\\gems\\1.8\\gems\\rails-2.0.2-\\lib\\tasks\\database.rake. That gave me a lot of information on how to extend the generic Rakefile.</p>\n\n<p>You could take the capistrano tasks that <a href="https://stackoverflow.com/questions/27442/is-there-a-rake-task-for-backing-up-the-data-in-your-database#27448">thelsdj</a> provides, and add it to your rake file. Then modify it a bit so that it uses the activerecord connection to the database.</p>\n'}, {'answer_id': 29276, 'author': 'AndrewR', 'author_id': 2994, 'author_profile': 'https://Stackoverflow.com/users/2994', 'pm_score': 0, 'selected': False, 'text': '<p>Make sure to add the  "--routines" parameter to mysqldump if you have any stored procs in your database so it backs them up too.</p>\n'}, {'answer_id': 53456, 'author': 'user5510', 'author_id': 5510, 'author_profile': 'https://Stackoverflow.com/users/5510', 'pm_score': 1, 'selected': False, 'text': '<p>There\'s a plugin out there called "mysql tasks", just google for it.  It\'s just a rakefile -- I\'ve found it very easy to use.</p>\n'}, {'answer_id': 1131737, 'author': 'Darren Bishop', 'author_id': 133330, 'author_profile': 'https://Stackoverflow.com/users/133330', 'pm_score': 2, 'selected': False, 'text': '<p>Just in case people are still surfing for solutions, we currently use the ar_fixtures plugin to backup our db, well as part of the solution anyway.</p>\n\n<p>It provides the rake <code>db:fixtures:dump</code> tasks. This spits out everythin in YAML into test/fixtures, so it can be loaded in again using <code>db:fixtures:load</code>.</p>\n\n<p>We use this to backup before every feature push to production. We also used this when migrating from sqlite3 to Postgres - which is subtlety very useful as incompatibilities between SQL dialects are, for the most part, hidden.</p>\n\n<p>All the best, D</p>\n'}, {'answer_id': 19730313, 'author': 'mikowiec', 'author_id': 2945404, 'author_profile': 'https://Stackoverflow.com/users/2945404', 'pm_score': 0, 'selected': False, 'text': '<p>There is my rake task to backup mysql, and rotate backups cyclically.</p>\n\n<pre><code>#encoding: utf-8\n#require \'fileutils\'\n\nnamespace :mls do\n  desc \'Create of realty_dev database backup\'\n\n  task :backup =&gt; :environment do\n    backup_max_records = 4\n    datestamp = Time.now.strftime("%Y-%m-%d_%H-%M")\n    backup_dir = File.join(Rails.root, ENV[\'DIR\'] || \'backups\', \'db\')\n    backup_file_name = "#{datestamp}_#{Rails.env}_dump.sql"\n    backup_file_path = File.join(backup_dir, "#{backup_file_name}")\n    FileUtils.mkdir_p(backup_dir)\n\n    #database processing\n    db_config = ActiveRecord::Base.configurations[Rails.env]\n    system "mysqldump -u#{db_config[\'username\']} -p#{db_config[\'password\']} -i -c -q #{db_config[\'database\']} &gt; #{backup_file_path}"\n    raise \'Unable to make DB backup!\' if ($?.to_i &gt; 0)\n\n    # sql dump file compression\n    system "gzip -9 #{backup_file_path}"\n\n    # backup rotation\n    dir = Dir.new(backup_dir)\n    backup_all_records = dir.entries.sort[2..-1].reverse\n    puts "Created backup: #{backup_file_name}.gz"\n    #redundant records\n    backup_del_records = backup_all_records[backup_max_records..-1] || []\n\n    # backup deleting too old records\n    for backup_del_record in backup_del_records\n      FileUtils.rm_rf(File.join(backup_dir, backup_del_record))\n    end\n\n    puts "Deleted #{backup_del_records.length} old backups, #{backup_all_records.length - backup_del_records.length} backups available"\n    puts "Backup passed"\n  end\nend\n\n=begin\n run by this command: " rake db:backup RAILS_ENV="development" "\n=end\n</code></pre>\n'}]
['https://Stackoverflow.com/questions/27442', 'https://Stackoverflow.com', 'https://Stackoverflow.com/users/1632/']