Class: Bifrossht::Connection::Exec

Inherits:
Base
  • Object
show all
Defined in:
lib/bifrossht/connection/exec.rb

Instance Attribute Summary

Attributes inherited from Base

#config

Instance Method Summary collapse

Methods inherited from Base

#initialize, #match, #name, #skip_probe

Constructor Details

This class inherits a constructor from Bifrossht::Connection::Base

Instance Method Details

#connect(target) ⇒ Object


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# File 'lib/bifrossht/connection/exec.rb', line 27

def connect(target)
  cmd = command(target)
  Logger.debug("executing: #{cmd}")
  exec cmd
end

#probe(target) ⇒ Object


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# File 'lib/bifrossht/connection/exec.rb', line 4

def probe(target)
  cmd = command(target)
  Logger.debug("probing command: #{cmd}")
  in_r, in_w = IO.pipe
  io = IO.popen(['sh', '-c', cmd, in: in_w, err: '/dev/null'])
  in_w.close
  ready = IO.select([io], nil, nil, timeout)
  if ready
    banner = io.readline
  else
    Logger.debug('probe timed out!')
  end
  Process.kill('TERM', io.pid)
  in_r.close
  io.close

  return true if banner =~ /^SSH-/

  false
rescue EOFError
  false
end