# Copyright (c) 2013, Red Hat, Inc. All rights reserved.
#
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# modification, are permitted provided that the following conditions are met:
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# this list of conditions and the following disclaimer in the documentation
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"""
LMI hardware provider client library.
"""
from lmi.scripts.common import get_computer_system
[docs]def get_single_instance(ns, instance_name):
"""
Returns single instance of instance_name.
:param instance_name: Instance name
:type instance_name: String
:returns: Instance of instance_name
:rtype: :py:class:`lmi.shell.LMIInstance`
"""
if not hasattr(get_single_instance, 'instances'):
get_single_instance.instances = {}
if not instance_name in get_single_instance.instances:
i = getattr(ns, instance_name)
get_single_instance.instances[instance_name] = i.first_instance()
return get_single_instance.instances[instance_name]
[docs]def get_all_instances(ns, instance_name):
"""
Returns all instances of instance_name.
:param instance_name: Instance name
:type instance_name: String
:returns: List of instances of instance_name
:rtype: List of :py:class:`lmi.shell.LMIInstance`
"""
if not hasattr(get_all_instances, 'instances'):
get_all_instances.instances = {}
if not instance_name in get_all_instances.instances:
i = getattr(ns, instance_name)
get_all_instances.instances[instance_name] = i.instances()
return get_all_instances.instances[instance_name]
[docs]def get_all_info(ns):
"""
:returns: Tabular data of all available info.
:rtype: List of tuples
"""
empty_line = ("", "")
result = get_system_info(ns)
result.append(empty_line)
result += get_chassis_info(ns)
result.append(empty_line)
result += get_cpu_info(ns)
result.append(empty_line)
result += get_memory_info(ns)
return result
[docs]def get_system_info(ns):
"""
:returns: Tabular data of system info.
:rtype: List of tuples
"""
i = get_computer_system(ns)
return [('Hostname:', i.Name)]
[docs]def get_chassis_info(ns):
"""
:returns: Tabular data from ``LMI_Chassis`` instance.
:rtype: List of tuples
"""
i = get_single_instance(ns, 'LMI_Chassis')
result = [
('Chassis Type:', ns.LMI_Chassis.ChassisPackageTypeValues.value_name(
i.ChassisPackageType)),
('Manufacturer:', i.Manufacturer),
('Model:', '%s (%s)' % (i.Model, i.ProductName)),
('Serial Number:', i.SerialNumber),
('Asset Tag:', i.Tag)]
return result
[docs]def get_cpu_info(ns):
"""
:returns: Tabular data of processor info.
:rtype: List of tuples
"""
cpus = get_all_instances(ns, 'LMI_Processor')
cpu_caps = get_all_instances(ns, 'LMI_ProcessorCapabilities')
cores = 0
threads = 0
for i in cpu_caps:
cores += i.NumberOfProcessorCores
threads += i.NumberOfHardwareThreads
result = [
('CPU:', cpus[0].Name),
('Topology:', '%d cpu(s), %d core(s), %d thread(s)' % \
(len(cpus), cores, threads)),
('Max Freq:', '%d MHz' % cpus[0].MaxClockSpeed),
('Arch:', cpus[0].Architecture)]
return result
[docs]def get_memory_info(ns):
"""
:returns: Tabular data of memory info.
:rtype: List of tuples
"""
memory = get_single_instance(ns, 'LMI_Memory')
phys_memory = get_all_instances(ns, 'LMI_PhysicalMemory')
memory_slots = get_all_instances(ns, 'LMI_MemorySlot')
slots = ''
if len(phys_memory):
slots += '%d' % len(phys_memory)
else:
slots += 'N/A'
slots += ' used, '
if len(memory_slots):
slots += '%d' % len(memory_slots)
else:
slots += 'N/A'
slots += ' total'
if memory.NumberOfBlocks >= 1073741824:
size = '%d GB' % (int(memory.NumberOfBlocks) / 1073741824)
else:
size = '%d MB' % (int(memory.NumberOfBlocks) / 1048576)
result = [
('Memory:', size),
('Slots:', slots)]
return result