Module: LXC::Extra

Included in:
Container
Defined in:
lib/lxc/extra.rb,
lib/lxc/extra/version.rb

Constant Summary collapse

VERSION = 
"0.0.2"

Instance Method Summary collapse

Instance Method Details

#execute(&block) ⇒ Object 



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# File 'lib/lxc/extra.rb', line 7

def execute(&block)
  r,w = IO.pipe
  ret = attach(wait:true) do
    ENV.clear
    ENV['PATH'] = '/usr/bin:/bin:/usr/sbin:/sbin'
    ENV['TERM'] = 'xterm-256color'
    ENV['SHELL'] = '/bin/bash'
    r.close
    begin
      out = block.call
      w.write(Marshal.dump(out))
    rescue Exception => e
      w.write(Marshal.dump(e))
    end
  end  
  w.close
  o = nil
  if r.ready?
    o = Marshal.load(r.read)
  end
  r.close
  raise o if o.is_a?(Exception)
  o
end