module Oxidized require 'net/telnet' require 'oxidized/input/cli' class Telnet < Input include CLI attr_reader :telnet def connect node @node = node @timeout = CFG.timeout @node.model.cfg['telnet'].each { |cb| instance_exec &cb } begin @telnet = Net::Telnet.new 'Host' => @node.ip, 'Waittime' => @timeout expect username @telnet.puts @node.auth[:username] expect password @telnet.puts @node.auth[:password] expect @node.prompt rescue Errno::ECONNREFUSED, Timeout::Error return false end end def cmd cmd, expect=@node.prompt Log.debug "Telnet: #{cmd} @#{@node.name}" args = { 'String' => cmd } args.merge!({ 'Match' => expect, 'Timeout' => @timeout }) if expect begin @telnet.cmd args rescue Timeout::Error return false end end private def expect re @telnet.waitfor 'Match' => re, 'Timeout' => @timeout end def disconnect begin @pre_logout.each { |command| cmd(command, nil) } @telnet.close rescue Errno::ECONNRESET end end def username re=/^(Username|login)/ @username or @username = re end def password re=/^Password/ @password or @password = re end end end