class Vagrant::LXC::SudoWrapper

Attributes

wrapper_path[R]

Public Class Methods

new(wrapper_path = nil) click to toggle source
# File lib/vagrant-lxc/sudo_wrapper.rb, line 9
def initialize(wrapper_path = nil)
  @wrapper_path = wrapper_path
  @logger       = Log4r::Logger.new("vagrant::lxc::sudo_wrapper")
end

Public Instance Methods

run(*command) click to toggle source
# File lib/vagrant-lxc/sudo_wrapper.rb, line 14
def run(*command)
  options = command.last.is_a?(Hash) ? command.last : {}
  command.unshift @wrapper_path if @wrapper_path && !options[:no_wrapper]
  execute *(['sudo'] + command)
end

Private Instance Methods

execute(*command, &block) click to toggle source

TODO: Review code below this line, it was pretty much a copy and

paste from VirtualBox base driver and has no tests
# File lib/vagrant-lxc/sudo_wrapper.rb, line 24
def execute(*command, &block)
  # Get the options hash if it exists
  opts = {}
  opts = command.pop if command.last.is_a?(Hash)

  tries = 0
  tries = 3 if opts[:retryable]

  sleep = opts.fetch(:sleep, 1)

  # Variable to store our execution result
  r = nil

  retryable(:on => LXC::Errors::ExecuteError, :tries => tries, :sleep => sleep) do
    # Execute the command
    r = raw(*command, &block)

    # If the command was a failure, then raise an exception that is
    # nicely handled by Vagrant.
    if r.exit_code != 0
      if @interrupted
        @logger.info("Exit code != 0, but interrupted. Ignoring.")
      else
        raise LXC::Errors::ExecuteError,
          command: command.inspect, stderr: r.stderr, stdout: r.stdout
      end
    end
  end

  # Return the output, making sure to replace any Windows-style
  # newlines with Unix-style.
  stdout = r.stdout.gsub("\r\n", "\n")
  if opts[:show_stderr]
    { :stdout => stdout, :stderr => r.stderr.gsub("\r\n", "\n") }
  else
    stdout
  end
end
raw(*command, &block) click to toggle source
# File lib/vagrant-lxc/sudo_wrapper.rb, line 63
def raw(*command, &block)
  int_callback = lambda do
    @interrupted = true
    @logger.info("Interrupted.")
  end

  # Append in the options for subprocess
  command << { :notify => [:stdout, :stderr] }

  Vagrant::Util::Busy.busy(int_callback) do
    Vagrant::Util::Subprocess.execute(*command, &block)
  end
end