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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2013 Cloudbase Solutions Srl
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import ctypes
import socket
import sys
if sys.platform == 'win32':
import wmi
from nova.openstack.common import log as logging
LOG = logging.getLogger(__name__)
class HostUtils(object):
def __init__(self):
if sys.platform == 'win32':
self._conn_cimv2 = wmi.WMI(moniker='//./root/cimv2')
def get_cpus_info(self):
cpus = self._conn_cimv2.query("SELECT * FROM Win32_Processor "
"WHERE ProcessorType = 3")
cpus_list = []
for cpu in cpus:
cpu_info = {'Architecture': cpu.Architecture,
'Name': cpu.Name,
'Manufacturer': cpu.Manufacturer,
'NumberOfCores': cpu.NumberOfCores,
'NumberOfLogicalProcessors':
cpu.NumberOfLogicalProcessors}
cpus_list.append(cpu_info)
return cpus_list
def is_cpu_feature_present(self, feature_key):
return ctypes.windll.kernel32.IsProcessorFeaturePresent(feature_key)
def get_memory_info(self):
"""
Returns a tuple with total visible memory and free physical memory
expressed in kB.
"""
mem_info = self._conn_cimv2.query("SELECT TotalVisibleMemorySize, "
"FreePhysicalMemory "
"FROM win32_operatingsystem")[0]
return (long(mem_info.TotalVisibleMemorySize),
long(mem_info.FreePhysicalMemory))
def get_volume_info(self, drive):
"""
Returns a tuple with total size and free space
expressed in bytes.
"""
logical_disk = self._conn_cimv2.query("SELECT Size, FreeSpace "
"FROM win32_logicaldisk "
"WHERE DeviceID='%s'"
% drive)[0]
return (long(logical_disk.Size), long(logical_disk.FreeSpace))
def get_windows_version(self):
return self._conn_cimv2.Win32_OperatingSystem()[0].Version
def get_local_ips(self):
addr_info = socket.getaddrinfo(socket.gethostname(), None, 0, 0, 0)
# Returns IPv4 and IPv6 addresses, ordered by protocol family
addr_info.sort()
return [a[4][0] for a in addr_info]
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