#!/usr/bin/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.
#
# 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

#	We assume the device name for node X.foo.bar.com is X-rm
#	and is accessible as a local (non-FQDN) DNS name.
try:
        cmd = argv[1]
except IndexError:
        print "Not enough arguments"
        sys.exit(1)

try:
        password = os.environ['RI_PASSWORD']
        os.environ['RI_PASSWORD'] = "********"
        anypass=1
except KeyError:
        password = ""
        anypass=0

try:
        host = os.environ['RI_HOST']
        rihost = host.split('.')[0]+'-rm'
except KeyError:
        rihost = ""
        host = "<unconfigured>"

#	Some old RILOE devices don't support the reset command
#	This variable is 1 if it does.
try:
        reset_ok = os.environ["RI_CAN_RESET"]
        if reset_ok == '':
                reset_ok = None
except KeyError:
        reset_ok = None
login = [ '<RIBCL VERSION="1.2">',
          '<LOGIN USER_LOGIN="Administrator" PASSWORD="'
	  + password + '">' ]


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


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


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


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">
<content type="string" />
<shortdesc lang="en">
Hostlist
</shortdesc>
<longdesc lang="en">
The list of hosts that the STONITH device controls
</longdesc>
</parameter>
</parameters>'''

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

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

if cmd == 'getconfignames':
        for arg in ['RI_HOST', 'RI_PASSWORD']:
            print arg
        sys.exit(0)

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

if host == '<unconfigured>':
        print "Missing 'RI_HOST' environment variable"
        sys.exit(1)
if not anypass:
        print "Missing 'RI_PASSWORD' environment variable"
        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)
