Class: Muck::Archive

Inherits:
Object
  • Object
show all
Includes:
Logging, Utils
Defined in:
lib/muck/archive.rb

Constant Summary collapse

MAPPING = 
{
  :hourly => 'YYYY-mm-dd-HH',
  :daily => "YYYY-mm-dd",
  :monthly => 'YYYY-mm',
  :yearly => 'YYYY'
}

Instance Method Summary collapse

Methods included from Utils

#blue, #green, #pink, #red, #yellow

Methods included from Logging

#log, #logger

Constructor Details

#initialize(database, name, maximum) ⇒ Archive

Returns a new instance of Archive.



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# File 'lib/muck/archive.rb', line 18

def initialize(database, name, maximum)
  @database = database
  @name = name
  @maximum = maximum
end

Instance Method Details

#create_archive(backup) ⇒ Object 



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# File 'lib/muck/archive.rb', line 37

def create_archive(backup)
  logger.info "Archiving #{blue @name} backup for #{blue @database.name} on #{blue @database.server.hostname}"
  logger.info "Using backup from #{blue backup[:path]}"
  filename = filename_for(backup[:path])
  archive_path = File.join(export_path, filename)
  FileUtils.mkdir_p(File.dirname(archive_path))
  if system("ln -f #{backup[:path]} #{archive_path}")
    logger.info "Successfully stored archive at #{green archive_path}"
  else
    logger.error red("Couldn't store archive at #{archive_path}")
  end
end

#export_path ⇒ Object 



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# File 'lib/muck/archive.rb', line 24

def export_path
  File.join(@database.export_path, @name.to_s)
end

#run ⇒ Object 



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# File 'lib/muck/archive.rb', line 28

def run
  if last_backup = @database.manifest[:backups].last
    create_archive(last_backup)
    tidy
  else
    log.info "There is no backup to archive"
  end
end

#tidy ⇒ Object 



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# File 'lib/muck/archive.rb', line 50

def tidy
  files = Dir[File.join(export_path, '*')].sort.reverse.drop(@maximum)
  files.each do |file|
    if system("rm #{file}")
      logger.info "Tidied #{green file}"
    else
      logger.error red("Couldn't remove un-retained file at #{file}")
    end
  end
end