Module: AuUtil

Defined in:
lib/admin-utils/au_util.rb

Class Method Summary collapse

Class Method Details

.command?(name) ⇒ Boolean

Executes Unix which and checks, if a binary is in path. Only works on Unix alike systems

Params:

  • name Command to check for

Returns:

  • true - Command in path

  • false - Command not in path

Returns:

  • (Boolean) 


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# File 'lib/admin-utils/au_util.rb', line 50

def self.command?(name)
  `which #{name}`
  $?.success?
end

.extract_gzip(archive_name, extract_dir = (File.dirname(archive_name) or '.')) ⇒ Object

Basicaly this method can unzip any gzipped file

Params:

  • archive_name Filename (including path) of the dump file to extract

  • extract_dir The directory the dump should be extracted to. If left nil, the dir name of the dump_archive_name is used. Otherwise it is just set to “.”

Raises:

  • File::IOError In case there was an error during extraction

Raises:

  • (ArgumentError) 


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# File 'lib/admin-utils/au_util.rb', line 31

def self.extract_gzip(archive_name, extract_dir = (File.dirname(archive_name) or '.'))
  raise ArgumentError, "File #{archive_name} does not exist!" unless File.exists? archive_name
  logger.info "Extracting \"#{archive_name}\" to directory \"#{extract_dir}\""
  Open3.popen3 "gunzip -c #{archive_name} > " + extract_dir + "/" + File.basename(archive_name).chomp('.gz') do |stdin, stdout, stderr, t|
    unless t.value.to_s.include? "exit 0"
      raise File::IOError, "gzipped file #{archive_name} could not be extracted!\nThe error message was: #{stderr.read}"
    end
  end
end

.hash_to_ostruct(object) ⇒ Object 



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# File 'lib/admin-utils/au_util.rb', line 5

def self.hash_to_ostruct(object)
  return case object
  when Hash
    object = object.clone
    object.each do |key, value|
    object[key] = hash_to_ostruct(value)
  end
  OpenStruct.new(object)
  when Array
    object = object.clone
    object.map! { |i| hash_to_ostruct(i) }
  else
    object
  end
end