Class: HerokuMongoBackup::Backup
- Inherits:
-
Object
- Object
- HerokuMongoBackup::Backup
- Defined in:
- lib/heroku-mongo-backup.rb
Instance Method Summary collapse
- #backup ⇒ Object
- #chdir ⇒ Object
- #db_connect ⇒ Object
- #ftp_connect ⇒ Object
- #ftp_download ⇒ Object
- #ftp_upload ⇒ Object
-
#initialize ⇒ Backup
constructor
A new instance of Backup.
- #load ⇒ Object
- #restore(file_name) ⇒ Object
- #s3_connect ⇒ Object
- #s3_download ⇒ Object
- #s3_upload ⇒ Object
- #store ⇒ Object
Constructor Details
#initialize ⇒ Backup
Returns a new instance of Backup.
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# File 'lib/heroku-mongo-backup.rb', line 152 def initialize @file_name = Time.now.strftime("%Y-%m-%d_%H-%M-%S.gz") if((ENV['RAILS_ENV'] || ENV['RACK_ENV']) == 'production') #config_template = ERB.new(IO.read("config/mongoid.yml")) #uri = YAML.load(config_template.result)['production']['uri'] uri = ENV['MONGO_URL'] if uri.nil? uri = ENV['MONGOHQ_URL'] end if uri.nil? uri = ENV['MONGOLAB_URI'] end else mongoid_config = YAML.load_file("config/mongoid.yml") config = {} defaults = mongoid_config['defaults'] dev_config = mongoid_config['development'] config.merge!(defaults) unless defaults.nil? config.merge!(dev_config) host = config['host'] port = config['port'] database = config['database'] uri = "mongodb://#{host}:#{port}/#{database}" if uri == 'mongodb://:/' # new mongoid version 3.x mongoid_config = YAML.load_file("config/mongoid.yml") dev_config = mongoid_config['development']['sessions']['default'] host_port = dev_config['hosts'].first database = dev_config['database'] uri = "mongodb://#{host_port}/#{database}" end end @url = uri puts "Using database: #{@url}" self.db_connect if ENV['UPLOAD_TYPE'] == 'ftp' self.ftp_connect else self.s3_connect end end |
Instance Method Details
#backup ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 202 def backup self.chdir self.store if ENV['UPLOAD_TYPE'] == 'ftp' self.ftp_upload @ftp.close else self.s3_upload end end |
#chdir ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 24 def chdir Dir.chdir("/tmp") begin Dir.mkdir("dump") rescue end Dir.chdir("dump") end |
#db_connect ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 84 def db_connect uri = URI.parse(@url) connection = ::Mongo::Connection.new(uri.host, uri.port) @db = connection.db(uri.path.gsub(/^\//, '')) @db.authenticate(uri.user, uri.password) if uri.user end |
#ftp_connect ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 91 def ftp_connect @ftp = Net::FTP.new(ENV['FTP_HOST']) @ftp.passive = true @ftp.login(ENV['FTP_USERNAME'], ENV['FTP_PASSWORD']) end |
#ftp_download ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 101 def ftp_download open(@file_name, 'w') do |file| file_content = @ftp.getbinaryfile(@file_name) file.binmode file.write file_content end end |
#ftp_upload ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 97 def ftp_upload @ftp.putbinaryfile(@file_name) end |
#load ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 57 def load file = Zlib::GzipReader.open(@file_name) obj = Marshal.load file.read file.close obj.each do |col_name, records| next if col_name =~ /^system\./ @db.drop_collection(col_name) dest_col = @db.create_collection(col_name) records.each do |record| dest_col.insert record end end # Load indexes here col_name = "system.indexes" dest_index_col = @db.collection(col_name) obj[col_name].each do |index| if index['_id'] index['ns'] = index['ns'].sub(obj['system.indexes.db.name'], dest_index_col.db.name) dest_index_col.insert index end end end |
#restore(file_name) ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 214 def restore file_name @file_name = file_name self.chdir if ENV['UPLOAD_TYPE'] == 'ftp' self.ftp_download @ftp.close else self.s3_download end self.load end |
#s3_connect ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 109 def s3_connect bucket = ENV['S3_BACKUPS_BUCKET'] if bucket.nil? bucket = ENV['S3_BACKUP_BUCKET'] end if bucket.nil? bucket = ENV['S3_BACKUP'] end if bucket.nil? bucket = ENV['S3_BUCKET'] end access_key_id = ENV['S3_KEY_ID'] if access_key_id.nil? access_key_id = ENV['S3_KEY'] end if access_key_id.nil? access_key_id = ENV['AWS_ACCESS_KEY_ID'] end secret_access_key = ENV['S3_SECRET_KEY'] if secret_access_key.nil? secret_access_key = ENV['S3_SECRET'] end if secret_access_key.nil? secret_access_key = ENV['AWS_SECRET_ACCESS_KEY'] end @bucket = HerokuMongoBackup::s3_connect(bucket, access_key_id, secret_access_key) end |
#s3_download ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 144 def s3_download open(@file_name, 'w') do |file| file_content = HerokuMongoBackup::s3_download(@bucket, @file_name) file.binmode file.write file_content end end |
#s3_upload ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 140 def s3_upload HerokuMongoBackup::s3_upload(@bucket, @file_name) end |
#store ⇒ Object
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# File 'lib/heroku-mongo-backup.rb', line 33 def store backup = {} @db.collections.each do |col| backup['system.indexes.db.name'] = col.db.name if col.name == "system.indexes" records = [] col.find().each do |record| records << record end backup[col.name] = records end marshal_dump = Marshal.dump(backup) file = File.new(@file_name, 'w') file.binmode file = Zlib::GzipWriter.new(file) file.write marshal_dump file.close end |