Method: LinuxContainer#execute

Defined in:
lib/linux_container.rb

#execute(*cmd) ⇒ Object 



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# File 'lib/linux_container.rb', line 128

def execute(*cmd)
  cmdstring = "#{self.class.sudo_if_needed} #{cmd.shift} #{Shellwords.join(cmd)}"
  result = ''
  IO.popen("#{cmdstring} 2>&1", 'r') do |io|
    io.each_line do |line|
      yield line if block_given?
      result << line
    end
  end
  raise "command failed: #{cmdstring.inspect}\n#{result}" unless $? == 0
  result
end