Class: Backup::Database::MySQL

Inherits:
Base
  • Object
show all
Defined in:
lib/backup/database/mysql.rb

Constant Summary

Constants included from CLI::Helpers

CLI::Helpers::UTILITY

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Configuration::Helpers

included

Constructor Details

#initialize(model, &block) ⇒ MySQL

Creates a new instance of the MySQL adapter object



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# File 'lib/backup/database/mysql.rb', line 42

def initialize(model, &block)
  super(model)

  @skip_tables        ||= Array.new
  @only_tables        ||= Array.new
  @additional_options ||= Array.new

  instance_eval(&block) if block_given?

  @name ||= :all
  @mysqldump_utility ||= utility(:mysqldump)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Backup::Configuration::Helpers

Instance Attribute Details

#additional_options ⇒ Object

Additional “mysqldump” options



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# File 'lib/backup/database/mysql.rb', line 30

def additional_options
  @additional_options
end

#host ⇒ Object

Connectivity options



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# File 'lib/backup/database/mysql.rb', line 18

def host
  @host
end

#mysqldump_utility ⇒ Object

Path to mysqldump utility (optional)



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# File 'lib/backup/database/mysql.rb', line 34

def mysqldump_utility
  @mysqldump_utility
end

#name ⇒ Object

Name of the database that needs to get dumped To dump all databases, set this to ‘:all` or leave blank.



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# File 'lib/backup/database/mysql.rb', line 10

def name
  @name
end

#only_tables ⇒ Object

Tables to dump, tables that aren’t specified won’t get dumped



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# File 'lib/backup/database/mysql.rb', line 26

def only_tables
  @only_tables
end

#password ⇒ Object

Credentials for the specified database



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# File 'lib/backup/database/mysql.rb', line 14

def password
  @password
end

#port ⇒ Object

Connectivity options



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# File 'lib/backup/database/mysql.rb', line 18

def port
  @port
end

#skip_tables ⇒ Object

Tables to skip while dumping the database



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# File 'lib/backup/database/mysql.rb', line 22

def skip_tables
  @skip_tables
end

#socket ⇒ Object

Connectivity options



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# File 'lib/backup/database/mysql.rb', line 18

def socket
  @socket
end

#username ⇒ Object

Credentials for the specified database



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# File 'lib/backup/database/mysql.rb', line 14

def username
  @username
end

Instance Method Details

#perform! ⇒ Object

Performs the mysqldump command and outputs the data to the specified path based on the ‘trigger’



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# File 'lib/backup/database/mysql.rb', line 58

def perform!
  super

  pipeline = Pipeline.new
  dump_ext = 'sql'

  pipeline << mysqldump
  if @model.compressor
    @model.compressor.compress_with do |command, ext|
      pipeline << command
      dump_ext << ext
    end
  end
  pipeline << "cat > '#{ File.join(@dump_path, dump_filename) }.#{ dump_ext }'"

  pipeline.run
  if pipeline.success?
    Logger.message "#{ database_name } Complete!"
  else
    raise Errors::Database::PipelineError,
        "#{ database_name } Dump Failed!\n" +
        pipeline.error_messages
  end
end