Class: Snapback::App::Unmount

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/snapback/app/unmount.rb

Instance Method Summary collapse

Instance Method Details

#go ⇒ Object 



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# File 'lib/snapback/app/unmount.rb', line 8

def go
  volume_group_name = "#{$config['lvm']['volume_group']}"
  logical_volume_name = "#{$config['lvm']['prefix_database']}-#{$options[:database]}"
  mount_dir = get_mount_dir $options[:database]
  mysql_data_dir = $database.get_data_dir

  # Flush
  exec_flush

  # Stop the MySQL Server
  $database.server_stop

  on_rollback lambda {
    $database.server_start
  }

  # Unlink
  exec_unlink "#{mysql_data_dir}/#{$options[:database]}", mount_dir

  # Unmount
  exec_unmount "/dev/#{volume_group_name}/#{logical_volume_name}", mount_dir

  # Start the MySQL Server
  $database.server_start

  on_rollback lambda {
    $database.server_stop
  }
end