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OpenStack Study: hostutils.py**** CubicPower OpenStack Study ****
# 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
**** CubicPower OpenStack Study **** class HostUtils(object):
**** CubicPower OpenStack Study **** def __init__(self): if sys.platform == 'win32': self._conn_cimv2 = wmi.WMI(moniker='//./root/cimv2')
**** CubicPower OpenStack Study **** 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
**** CubicPower OpenStack Study **** def is_cpu_feature_present(self, feature_key): return ctypes.windll.kernel32.IsProcessorFeaturePresent(feature_key)
**** CubicPower OpenStack Study **** 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))
**** CubicPower OpenStack Study **** 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))
**** CubicPower OpenStack Study **** def check_min_windows_version(self, major, minor, build=0): version_str = self.get_windows_version() return map(int, version_str.split('.')) >= [major, minor, build]
**** CubicPower OpenStack Study **** def get_windows_version(self): return self._conn_cimv2.Win32_OperatingSystem()[0].Version
**** CubicPower OpenStack Study **** 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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