#!@PYTHON@
#
# Stonith module for RILOE Stonith device
#
# Copyright (c) 2004 Alain St-Denis <alain.st-denis@ec.gc.ca>
#
# Modified by Alan Robertson <alanr@unix.sh> for STONITH external compatibility.
#
# Extended and merged by Tijl Van den broeck <subspawn@gmail.com>
#  with ilo-v2 script from Guy Coates
#
# Cleanup by Andrew Beekhof <abeekhof@suse.de>
#
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# 
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
import sys
import os
import socket
from httplib import *
from time import sleep


argv = sys.argv

try:
        cmd = argv[1]
except IndexError:
        print "Not enough arguments"
        sys.exit(1)

legacy_RI_HOST     = os.environ.get('RI_HOST',     '')
legacy_RI_HOSTRI   = os.environ.get('RI_HOSTRI',   '')
legacy_RI_LOGIN    = os.environ.get('RI_LOGIN',    'Administrator')
legacy_RI_PASSWORD = os.environ.get('RI_PASSWORD', '')

reset_ok     = os.environ.get('ilo_can_reset',        '0')
ilo_protocol = os.environ.get('ilo_protocol',         '1.2')
power_method = os.environ.get('ilo_powerdown_method', 'power')

realhost = os.environ.get('hostlist',     legacy_RI_HOST)
rihost   = os.environ.get('ilo_hostname', legacy_RI_HOSTRI)
ilouser  = os.environ.get('ilo_user',     legacy_RI_LOGIN)
ilopass  = os.environ.get('ilo_password', legacy_RI_PASSWORD)

login = [ '<RIBCL VERSION="'+ilo_protocol+'">',
          '<LOGIN USER_LOGIN="' + ilouser + '" PASSWORD="' + ilopass + '">' ]

logout = [ '</LOGIN>', '</RIBCL>' ]


status = [ '<SERVER_INFO MODE="read">', '<GET_HOST_POWER_STATUS/>', '</SERVER_INFO>' ]

reset = [ '<SERVER_INFO MODE="write">', '<RESET_SERVER/>', '</SERVER_INFO>' ]

if power_method == 'button':
  off = [ '<SERVER_INFO MODE="write">', '<HOLD_PWR_BTN/>', '</SERVER_INFO>' ]
else:
  off = [ '<SERVER_INFO MODE = "write">', '<SET_HOST_POWER HOST_POWER  = "N"/>', '</SERVER_INFO>' ]

on = [ '<SERVER_INFO MODE = "write">', '<SET_HOST_POWER HOST_POWER  = "Y"/>', '</SERVER_INFO>' ]


todo = { 'reset':reset, 'on':on, 'off':off, 'status':status }


xmlinfo = '''<parameters>
 <parameter name="hostlist" unique="1" required="1">
  <content type="string"/>
  <shortdesc lang="en">ilo target hostname</shortdesc>
  <longdesc lang="en">
   Contains the hostname that the ilo controls
  </longdesc>
 </parameter>
<parameter name="ilo_hostname" unique="1" required="1">
  <content type="string"/>
  <shortdesc lang="en">ilo device hostname</shortdesc>
  <longdesc lang="en">
   The hostname of the ilo device
  </longdesc>
 </parameter>
<parameter name="ilo_user" unique="0" required="1">
  <content type="string" default="Administrator"/>
  <shortdesc lang="en">ilo user</shortdesc>
  <longdesc lang="en">
   The user for connecting to the ilo device
  </longdesc>
 </parameter>
<parameter name="ilo_password" unique="0" required="1">
  <content type="string" default=""/>
  <shortdesc lang="en">password</shortdesc>
  <longdesc lang="en">
   The password for the ilo device user
  </longdesc>
 </parameter>
<parameter name="ilo_can_reset" unique="0" required="0">
  <content type="string" default="0"/>
  <shortdesc lang="en">Device can reset</shortdesc>
  <longdesc lang="en">
   Does the ILO device support RESET commands (hint: older ones cannot)
  </longdesc>
 </parameter>
<parameter name="ilo_protocol" unique="0" required="0">
  <content type="string" default="1.2"/>
  <shortdesc lang="en">ILO Protocol</shortdesc>
  <longdesc lang="en">
   Protocol version supported by the ILO device.
   Known supported versions: 1.2, 2.0
  </longdesc>
 </parameter>
<parameter name="ilo_powerdown_method" unique="0" required="0">
  <content type="string" default="power"/>
  <shortdesc lang="en">Power down method</shortdesc>
  <longdesc lang="en">
   The method to powerdown the host in question.
   * button - Emulate holding down the power button
   * power  - Emulate turning off the machines power 

   NB: In case acpid is not running on the node to be fenced and
   the method is set to power (which is the default) "on" and
   "off" requests are not going to work. "reset" should work in
   any case.
  </longdesc>
 </parameter>
</parameters>'''

info = {
        'getinfo-devid':	'RILOE',
        'getinfo-devname':	'riloe ' + rihost,
        'getinfo-devdescr':	'COMPAQ RILOE STONITH device',
        'getinfo-devurl':	'http://www.hp.com/',
	      'gethosts':	 realhost,
        'getinfo-xml':		xmlinfo
}

try:
        print info[cmd]
        sys.exit(0)
except KeyError:
        None

if cmd == 'getconfignames':
	for arg in [ "hostlist", "ilo_hostname", "ilo_user", "ilo_password", "ilo_can_reset", "ilo_protocol", "ilo_powerdown_method"]:
            print arg
        sys.exit(0)

#
#	All remaining commands need host and password to succeed...
#

if not rihost:
        print "ILO device hostname not specified"
        sys.exit(1)

if not realhost:
        print "Host controlled by this ILO device not specified"
        sys.exit(1)


acmds=[]
try:
        if cmd == 'reset' and not reset_ok:
                acmds.append(login + todo['off'] + logout)
                acmds.append(login + todo['on'] + logout)
        else:   
                acmds.append(login + todo[cmd] + logout)
except KeyError:
        print 'Invalid command: '+ cmd
        sys.exit(1)


try:
        for cmds in acmds:

                c=HTTPSConnection(rihost)
                c.send('<?xml version="1.0"?>\r\n')
                c.sock.recv(1024)

                for line in cmds:
                        c.send(line+'\r\n')
                        c.sock.recv(1024)

                c.close()
                sleep(1)

except socket.gaierror, msg:
        print "ERROR: " + str(msg) + ": " + rihost
        sys.exit(1)
except socket.sslerror, msg:
        print "ERROR: " + str(msg) + "for " + rihost
        sys.exit(1)
except socket.error, msg:
        print "ERROR: " + str(msg) + "talking to " + rihost
        sys.exit(1)
