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#!/usr/bin/env python
# Copyright (C) 2012 Peter Hatina <phatina@redhat.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
import pywbem
class CuraPowerClient():
POWER_CLASS_NAME = "LMI_PowerManagementService"
POWER_STATE_SUSPEND = 4
POWER_STATE_FORCE_REBOOT = 5
POWER_STATE_HIBERNATE = 7
POWER_STATE_FORCE_POWEROFF = 8
POWER_STATE_POWEROFF = 12
POWER_STATE_REBOOT = 15
def __init__(self, hostname, username="", password=""):
self.m_hostname = hostname
self.m_username = username
self.m_password = password
self.m_cliconn = pywbem.WBEMConnection("https://" + self.m_hostname,
(self.m_username, self.m_password))
def __getPowerInstance(self):
try:
inst_name_list = self.m_cliconn.EnumerateInstanceNames(
CuraPowerClient.POWER_CLASS_NAME)
except pywbem.cim_operations.CIMError, e:
return (None, e.args[1])
except pywbem.cim_http.AuthError, e:
return (None, e.args[0])
inst_list = self.m_cliconn.GetInstance(inst_name_list[0],
LocalOnly=False)
return (inst_list, "")
def __powerCallMethod(self, method, **params):
(inst, rparam) = self.__getPowerInstance()
if not inst:
return (False, rparam)
try:
(rval, rparams) = self.m_cliconn.InvokeMethod(method,
inst.path, **params)
except pywbem.cim_operations.CIMError, e:
return (False, e.args[1])
return (rval in (0, 4096), "")
def poweroff(self):
return self.__powerCallMethod("RequestPowerStateChange",
PowerState=pywbem.Uint16(CuraPowerClient.POWER_STATE_POWEROFF))
def reboot(self):
return self.__powerCallMethod("RequestPowerStateChange",
PowerState=pywbem.Uint16(CuraPowerClient.POWER_STATE_REBOOT))
def suspend(self):
return self.__powerCallMethod("RequestPowerStateChange",
PowerState=pywbem.Uint16(CuraPowerClient.POWER_STATE_SUSPEND))
def hibernate(self):
return self.__powerCallMethod("RequestPowerStateChange",
PowerState=pywbem.Uint16(CuraPowerClient.POWER_STATE_HIBERNATE))
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