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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
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