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#
# 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 collections
from dracclient import constants
from dracclient.resources import uris
from dracclient import utils
CPU_CHARACTERISTICS_64BIT = '4'
NIC_LINK_SPEED_MBPS = {
'0': None,
'1': 10,
'2': 100,
'3': 1000,
'4': 2.5 * constants.UNITS_KI,
'5': 10 * constants.UNITS_KI,
'6': 20 * constants.UNITS_KI,
'7': 40 * constants.UNITS_KI,
'8': 100 * constants.UNITS_KI,
'9': 25 * constants.UNITS_KI,
'10': 50 * constants.UNITS_KI
}
NIC_LINK_DUPLEX = {
'0': 'unknown',
'1': 'full duplex',
'2': 'half duplex'
}
NIC_MODE = {
'0': 'unknown',
'2': 'enabled',
'3': 'disabled'}
CPU = collections.namedtuple(
'CPU',
['id', 'cores', 'speed_mhz', 'model', 'status', 'ht_enabled',
'cpu_count', 'turbo_enabled', 'vt_enabled', 'arch64'])
Memory = collections.namedtuple(
'Memory',
['id', 'size_mb', 'speed_mhz', 'manufacturer', 'model', 'status'])
NIC = collections.namedtuple(
'NIC',
['id', 'mac', 'model', 'speed_mbps', 'duplex', 'media_type'])
System = collections.namedtuple(
'System',
['id', 'lcc_version', 'model', 'service_tag', 'uuid'])
class InventoryManagement(object):
def __init__(self, client):
"""Creates InventoryManagement object
:param client: an instance of WSManClient
"""
self.client = client
def list_cpus(self):
"""Returns the list of CPUs
:returns: a list of CPU objects
:raises: WSManRequestFailure on request failures
:raises: WSManInvalidResponse when receiving invalid response
:raises: DRACOperationFailed on error reported back by the DRAC
"""
doc = self.client.enumerate(uris.DCIM_CPUView)
cpus = utils.find_xml(doc, 'DCIM_CPUView',
uris.DCIM_CPUView,
find_all=True)
return [self._parse_cpus(cpu) for cpu in cpus]
def _parse_cpus(self, cpu):
drac_characteristics = self._get_cpu_attr(cpu, 'Characteristics')
arch64 = (CPU_CHARACTERISTICS_64BIT == drac_characteristics)
return CPU(
id=self._get_cpu_attr(cpu, 'FQDD'),
cores=int(self._get_cpu_attr(cpu, 'NumberOfProcessorCores')),
speed_mhz=int(self._get_cpu_attr(cpu, 'CurrentClockSpeed')),
model=self._get_cpu_attr(cpu, 'Model'),
status=constants.PRIMARY_STATUS[
self._get_cpu_attr(cpu, 'PrimaryStatus')],
ht_enabled=bool(self._get_cpu_attr(cpu, 'HyperThreadingEnabled',
allow_missing=True)),
turbo_enabled=bool(self._get_cpu_attr(cpu, 'TurboModeEnabled',
allow_missing=True)),
cpu_count=self._get_cpu_count(
int(self._get_cpu_attr(cpu, 'NumberOfProcessorCores')),
bool(self._get_cpu_attr(cpu, 'HyperThreadingEnabled',
allow_missing=True))),
vt_enabled=bool(self._get_cpu_attr(
cpu, 'VirtualizationTechnologyEnabled', allow_missing=True)),
arch64=arch64)
def _get_cpu_count(self, cores, ht_enabled):
if ht_enabled:
return int(cores * 2)
else:
return int(cores)
def _get_cpu_attr(self, cpu, attr_name, allow_missing=False):
return utils.get_wsman_resource_attr(
cpu, uris.DCIM_CPUView, attr_name, allow_missing=allow_missing)
def list_memory(self):
"""Returns the list of installed memory
:returns: a list of Memory objects
:raises: WSManRequestFailure on request failures
:raises: WSManInvalidResponse when receiving invalid response
:raises: DRACOperationFailed on error reported back by the DRAC
"""
doc = self.client.enumerate(uris.DCIM_MemoryView)
installed_memory = utils.find_xml(doc, 'DCIM_MemoryView',
uris.DCIM_MemoryView,
find_all=True)
return [self._parse_memory(memory) for memory in installed_memory]
def _parse_memory(self, memory):
return Memory(
id=self._get_memory_attr(memory, 'FQDD'),
size_mb=int(self._get_memory_attr(memory, 'Size')),
speed_mhz=int(self._get_memory_attr(memory, 'Speed')),
manufacturer=self._get_memory_attr(memory, 'Manufacturer'),
model=self._get_memory_attr(memory, 'Model'),
status=constants.PRIMARY_STATUS[
self._get_memory_attr(memory, 'PrimaryStatus')])
def _get_memory_attr(self, memory, attr_name):
return utils.get_wsman_resource_attr(memory, uris.DCIM_MemoryView,
attr_name)
def list_nics(self, sort=False):
"""Returns the list of NICs
:returns: a list of NIC objects
:raises: WSManRequestFailure on request failures
:raises: WSManInvalidResponse when receiving invalid response
:raises: DRACOperationFailed on error reported back by the DRAC
interface
"""
doc = self.client.enumerate(uris.DCIM_NICView)
drac_nics = utils.find_xml(doc, 'DCIM_NICView', uris.DCIM_NICView,
find_all=True)
nics = [self._parse_drac_nic(nic) for nic in drac_nics]
if sort:
nics.sort(key=lambda nic: nic.id)
return nics
def _parse_drac_nic(self, drac_nic):
fqdd = self._get_nic_attr(drac_nic, 'FQDD')
drac_speed = self._get_nic_attr(drac_nic, 'LinkSpeed')
drac_duplex = self._get_nic_attr(drac_nic, 'LinkDuplex')
return NIC(
id=fqdd,
mac=self._get_nic_attr(drac_nic, 'CurrentMACAddress'),
model=self._get_nic_attr(drac_nic, 'ProductName'),
speed_mbps=NIC_LINK_SPEED_MBPS[drac_speed],
duplex=NIC_LINK_DUPLEX[drac_duplex],
media_type=self._get_nic_attr(drac_nic, 'MediaType'))
def _get_nic_attr(self, drac_nic, attr_name):
return utils.get_wsman_resource_attr(drac_nic, uris.DCIM_NICView,
attr_name)
def get_system(self):
"""Returns a System object
:returns: a System object
:raises: WSManRequestFailure on request failures
:raises: WSManInvalidRespons when receiving invalid response
"""
doc = self.client.enumerate(uris.DCIM_SystemView)
drac_system = utils.find_xml(doc,
'DCIM_SystemView',
uris.DCIM_SystemView,
find_all=False)
return self._parse_drac_system(drac_system)
def _parse_drac_system(self, drac_system):
return System(
id=self._get_system_attr(drac_system, 'InstanceID'),
uuid=self._get_system_attr(drac_system, 'UUID'),
service_tag=self._get_system_attr(drac_system, 'ServiceTag'),
model=self._get_system_attr(drac_system, 'Model'),
lcc_version=self._get_system_attr(drac_system,
'LifecycleControllerVersion'))
def _get_system_attr(self, drac_system, attr_name):
return utils.get_wsman_resource_attr(drac_system,
uris.DCIM_SystemView,
attr_name)
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