Class: MysqlBackup::Entity

Inherits:
Object
  • Object
show all
Defined in:
lib/mysql_backup/entity.rb,
lib/mysql_backup/entity/identifier.rb

Direct Known Subclasses

Files

Defined Under Namespace

Classes: Files, Identifier, Logs, Mysqldump

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#log ⇒ Object

Returns the value of attribute log.



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# File 'lib/mysql_backup/entity.rb', line 10

def log
  @log
end

Class Method Details

.tar_files(path_strings) ⇒ Object

Create a set of tarred, gziped, and split files for all the files given by required_path_strings.

Return an array of Pathname objects for the split files.

The caller is responsible for removing the files returned from tar_files.



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# File 'lib/mysql_backup/entity.rb', line 20

def self.tar_files path_strings #:nodoc:
  result = []
  # Creating a tempfile to get a guaranteed unique filename.
  # We don't actually write to this tempfile, we just
  # use its name as the base name for the split.
  Tempfile.open 'mysqltarball' do |f|
    # We should never see existing files, but just in
    # case we'll need to remove any.
    Pathname.glob(f.path.to_s + 'xxx*').each {|e| e.unlink}
    
    paths = path_strings.map {|ps| ps.slice(1..-1)}.join(' ')
    five_gig = 1024 * 1024 * 1024 * 5
    tar_cmd = "( cd / ; tar cf - #{paths} | gzip | split --suffix-length=4 --bytes=#{five_gig} --numeric-suffixes - #{f.path}xxx )"
    do_tar :cmd => tar_cmd
    result = Pathname.glob(f.path.to_s + 'xxx*')
  end
  result
end