Class: Backsum::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/backsum/server.rb

Defined Under Namespace

Classes: Dsl

Instance Method Summary collapse

Instance Method Details

#connect ⇒ Object 



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# File 'lib/backsum/server.rb', line 17

def connect
  return nil if local
  username ? "#{username}@#{host}" : host if host
end

#execute_rsync(backup_path, linkdest_path, connect, source, options) ⇒ Object 



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# File 'lib/backsum/server.rb', line 28

def execute_rsync(backup_path, linkdest_path, connect, source, options)
  arguments = [ "--archive", "--delete" ]
  target_path = File.join(backup_path, self.host)
  arguments << "--verbose" if Backsum.verbose

  if linkdest_path
    linkdest_abosulte_path = File.absolute_path(linkdest_path) # rsync link dest must be abosulte path.
    linkdest_dir = File.join([linkdest_abosulte_path, self.host, options[:as], "/"].compact)
    arguments << "--link-dest=#{linkdest_dir}" if File.exists?(linkdest_dir)
  end

  if options[:as]
    target_path = File.join(target_path, options[:as])
  else
    arguments << "--relative"
  end
  
  FileUtils.mkdir_p target_path
  
  (options[:excluded] || []).each do |pattern|
    arguments << "--exclude=#{pattern}"
  end
  
  source = File.join(source, "/") if File.directory?(source)
  if connect
    arguments << "#{connect}:#{source}"
  else
    arguments << source
  end
  
  arguments << target_path
  
  copy_command = Shell.new("rsync", arguments.map {|arg| shell_param_escape(arg) }.join(' '))
  copy_command.run
end

#shell_param_escape(str) ⇒ Object 



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# File 'lib/backsum/server.rb', line 64

def shell_param_escape(str)
  if str.include? " "
    "'" + str.gsub("'", "\\'") + "'" 
  else
    str
  end
end

#sync(backup_path, linkdest_path) ⇒ Object 



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# File 'lib/backsum/server.rb', line 22

def sync(backup_path, linkdest_path)
  self.folders.each_pair do |folder, options|
    execute_rsync(backup_path, linkdest_path, connect, folder, options)
  end
end