Class: Oxidized::Telnet

Inherits:
Input
  • Object
show all
Includes:
Input::CLI
Defined in:
lib/oxidized/input/telnet.rb

Constant Summary collapse

RESCUE_FAIL = 
{}.freeze

Instance Attribute Summary collapse

Attributes included from Input::CLI

#node

Instance Method Summary collapse

Methods included from Input::CLI

#connect_cli, #disconnect_cli, #get, #initialize, #login, #password, #post_login, #pre_logout, #username

Methods included from Config::Vars

#vars

Instance Attribute Details

#telnet ⇒ Object (readonly)

Returns the value of attribute telnet.



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# File 'lib/oxidized/input/telnet.rb', line 7

def telnet
  @telnet
end

Instance Method Details

#cmd(cmd_str, expect = @node.prompt) ⇒ Object 



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# File 'lib/oxidized/input/telnet.rb', line 37

def cmd(cmd_str, expect = @node.prompt)
  Oxidized.logger.debug "Telnet: #{cmd_str} @#{@node.name}"
  return send(cmd_str + "\r\n") unless expect

  # create a string to be passed to oxidized_expect and modified _there_
  # default to a single space so it shouldn't be coerced to nil by any models.
  out = String(' ')
  @telnet.puts(cmd_str)
  @telnet.oxidized_expect(timeout: @timeout, expect: expect, out: out)
  out
end

#connect(node) ⇒ Object 



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# File 'lib/oxidized/input/telnet.rb', line 9

def connect(node)
  @node    = node
  @timeout = Oxidized.config.timeout
  @node.model.cfg['telnet'].each { |cb| instance_exec(&cb) }
  @log = File.open(Oxidized::Config::LOG + "/#{@node.ip}-telnet", 'w') if Oxidized.config.input.debug?
  port = vars(:telnet_port) || 23

  telnet_opts = {
    'Host'    => @node.ip,
    'Port'    => port.to_i,
    'Timeout' => @timeout,
    'Model'   => @node.model,
    'Log'     => @log
  }

  @telnet = Net::Telnet.new telnet_opts
  begin
    
  rescue Timeout::Error
    raise PromptUndetect, ['unable to detect prompt:', @node.prompt].join(' ')
  end
  connected?
end

#connected? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/oxidized/input/telnet.rb', line 33

def connected?
  @telnet && (not @telnet.sock.closed?)
end

#output ⇒ Object 



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# File 'lib/oxidized/input/telnet.rb', line 53

def output
  @telnet.output
end

#send(data) ⇒ Object 



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# File 'lib/oxidized/input/telnet.rb', line 49

def send(data)
  @telnet.write data
end