468 lines
17 KiB
Python
468 lines
17 KiB
Python
import logging
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import re
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from contextlib import suppress
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from datetime import datetime
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from fractions import Fraction
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from math import hypot
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from typing import Iterator, List, Optional, Type, TypeVar
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import dateutil.parser
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from ereuse_utils import getter, text
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from ereuse_utils.nested_lookup import (
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get_nested_dicts_with_key_containing_value,
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get_nested_dicts_with_key_value,
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)
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from ereuse_devicehub.parser import base2, unit, utils
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from ereuse_devicehub.parser.models import SnapshotErrors
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from ereuse_devicehub.parser.utils import Dumpeable
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from ereuse_devicehub.resources.enums import Severity
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logger = logging.getLogger(__name__)
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class Device(Dumpeable):
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"""
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Base class for a computer and each component, containing
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its physical characteristics (like serial number) and Devicehub
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actions. For Devicehub actions, this class has an interface to execute
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:meth:`.benchmarks`.
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"""
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def __init__(self, *sources) -> None:
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"""Gets the device information."""
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self.actions = set()
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self.type = self.__class__.__name__
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super().__init__()
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def from_lshw(self, lshw_node: dict):
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self.manufacturer = getter.dict(lshw_node, 'vendor', default=None, type=str)
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self.model = getter.dict(
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lshw_node,
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'product',
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remove={self.manufacturer} if self.manufacturer else set(),
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default=None,
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type=str,
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)
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self.serial_number = getter.dict(lshw_node, 'serial', default=None, type=str)
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def __str__(self) -> str:
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return ' '.join(x for x in (self.model, self.serial_number) if x)
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C = TypeVar('C', bound='Component')
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class Component(Device):
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@classmethod
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def new(cls, lshw, hwinfo, **kwargs) -> Iterator[C]:
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raise NotImplementedError()
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class Processor(Component):
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@classmethod
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def new(cls, lshw: dict, **kwargs) -> Iterator[C]:
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nodes = get_nested_dicts_with_key_value(lshw, 'class', 'processor')
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# We want only the physical cpu's, not the logic ones
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# In some cases we may get empty cpu nodes, we can detect them because
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# all regular cpus have at least a description (Intel Core i5...)
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return (
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cls(node)
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for node in nodes
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if 'logical' not in node['id']
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and node.get('description', '').lower() != 'co-processor'
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and not node.get('disabled')
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and 'co-processor' not in node.get('model', '').lower()
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and 'co-processor' not in node.get('description', '').lower()
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and 'width' in node
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)
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def __init__(self, node: dict) -> None:
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super().__init__(node)
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self.from_lshw(node)
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self.speed = unit.Quantity(node['size'], node['units']).to('gigahertz').m
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self.address = node['width']
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try:
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self.cores = int(node['configuration']['cores'])
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self.threads = int(node['configuration']['threads'])
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except KeyError:
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self.threads = 1
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self.cores = 1
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self.serial_number = None # Processors don't have valid SN :-(
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self.brand, self.generation = self.processor_brand_generation(self.model)
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assert not hasattr(self, 'cores') or 1 <= self.cores <= 16
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@staticmethod # noqa: C901
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def processor_brand_generation(model: str):
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"""Generates the ``brand`` and ``generation`` fields for the given model.
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This returns a tuple with:
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- The brand as a string or None.
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- The generation as an int or None.
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Intel desktop processor numbers:
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https://www.intel.com/content/www/us/en/processors/processor-numbers.html
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Intel server processor numbers:
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https://www.intel.com/content/www/us/en/processors/processor-numbers-data-center.html
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"""
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if 'Duo' in model:
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return 'Core2 Duo', None
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if 'Quad' in model:
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return 'Core2 Quad', None
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if 'Atom' in model:
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return 'Atom', None
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if 'Celeron' in model:
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return 'Celeron', None
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if 'Pentium' in model:
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return 'Pentium', None
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if 'Xeon Platinum' in model:
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generation = int(re.findall(r'\bPlatinum \d{4}\w', model)[0][10])
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return 'Xeon Platinum', generation
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if 'Xeon Gold' in model:
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generation = int(re.findall(r'\bGold \d{4}\w', model)[0][6])
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return 'Xeon Gold', generation
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if 'Xeon' in model: # Xeon E5...
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generation = 1
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results = re.findall(r'\bV\d\b', model) # find V1, V2...
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if results:
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generation = int(results[0][1])
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return 'Xeon', generation
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results = re.findall(r'\bi\d-\w+', model) # i3-XXX..., i5-XXX...
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if results: # i3, i5...
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return 'Core i{}'.format(results[0][1]), int(results[0][3])
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results = re.findall(r'\bi\d CPU \w+', model)
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if results: # i3 CPU XXX
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return 'Core i{}'.format(results[0][1]), 1
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results = re.findall(r'\bm\d-\w+', model) # m3-XXXX...
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if results:
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return 'Core m{}'.format(results[0][1]), None
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return None, None
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def __str__(self) -> str:
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return super().__str__() + (
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' ({} generation)'.format(self.generation) if self.generation else ''
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)
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class RamModule(Component):
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@classmethod
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def new(cls, lshw, **kwargs) -> Iterator[C]:
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# We can get flash memory (BIOS?), system memory and unknown types of memory
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memories = get_nested_dicts_with_key_value(lshw, 'class', 'memory')
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TYPES = {'ddr', 'sdram', 'sodimm'}
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for memory in memories:
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physical_ram = any(
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t in memory.get('description', '').lower() for t in TYPES
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)
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not_empty = 'size' in memory
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if physical_ram and not_empty:
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yield cls(memory)
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def __init__(self, node: dict) -> None:
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# Node with no size == empty ram slot
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super().__init__(node)
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self.from_lshw(node)
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description = node['description'].upper()
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self.format = 'SODIMM' if 'SODIMM' in description else 'DIMM'
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self.size = base2.Quantity(node['size'], node['units']).to('MiB').m
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# self.size = int(utils.convert_capacity(node['size'], node['units'], 'MB'))
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for w in description.split():
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if w.startswith('DDR'): # We assume all DDR are SDRAM
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self.interface = w
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break
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elif w.startswith('SDRAM'):
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# Fallback. SDRAM is generic denomination for DDR types.
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self.interface = w
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if 'clock' in node:
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self.speed = unit.Quantity(node['clock'], 'Hz').to('MHz').m
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assert not hasattr(self, 'speed') or 100.0 <= self.speed <= 1000000000000.0
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def __str__(self) -> str:
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return '{} {} {}'.format(super().__str__(), self.format, self.size)
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class GraphicCard(Component):
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@classmethod
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def new(cls, lshw, hwinfo, **kwargs) -> Iterator[C]:
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nodes = get_nested_dicts_with_key_value(lshw, 'class', 'display')
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return (cls(n) for n in nodes if n['configuration'].get('driver', None))
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def __init__(self, node: dict) -> None:
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super().__init__(node)
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self.from_lshw(node)
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self.memory = self._memory(node['businfo'].split('@')[1])
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@staticmethod
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def _memory(bus_info):
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"""The size of the memory of the gpu."""
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return None
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def __str__(self) -> str:
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return '{} with {}'.format(super().__str__(), self.memory)
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class Motherboard(Component):
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INTERFACES = 'usb', 'firewire', 'serial', 'pcmcia'
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@classmethod
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def new(cls, lshw, hwinfo, **kwargs) -> C:
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node = next(get_nested_dicts_with_key_value(lshw, 'description', 'Motherboard'))
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bios_node = next(get_nested_dicts_with_key_value(lshw, 'id', 'firmware'))
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# bios_node = '1'
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memory_array = next(
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getter.indents(hwinfo, 'Physical Memory Array', indent=' '), None
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)
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return cls(node, bios_node, memory_array)
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def __init__(
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self, node: dict, bios_node: dict, memory_array: Optional[List[str]]
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) -> None:
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super().__init__(node)
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self.from_lshw(node)
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self.usb = self.num_interfaces(node, 'usb')
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self.firewire = self.num_interfaces(node, 'firewire')
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self.serial = self.num_interfaces(node, 'serial')
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self.pcmcia = self.num_interfaces(node, 'pcmcia')
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self.slots = int(2)
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# run(
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# 'dmidecode -t 17 | ' 'grep -o BANK | ' 'wc -l',
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# check=True,
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# universal_newlines=True,
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# shell=True,
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# stdout=PIPE,
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# ).stdout
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self.bios_date = dateutil.parser.parse(bios_node['date']).isoformat()
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self.version = bios_node['version']
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self.ram_slots = self.ram_max_size = None
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if memory_array:
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self.ram_slots = getter.kv(memory_array, 'Slots', default=None)
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self.ram_max_size = getter.kv(memory_array, 'Max. Size', default=None)
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if self.ram_max_size:
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self.ram_max_size = next(text.numbers(self.ram_max_size))
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@staticmethod
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def num_interfaces(node: dict, interface: str) -> int:
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interfaces = get_nested_dicts_with_key_containing_value(node, 'id', interface)
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if interface == 'usb':
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interfaces = (
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c
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for c in interfaces
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if 'usbhost' not in c['id'] and 'usb' not in c['businfo']
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)
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return len(tuple(interfaces))
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def __str__(self) -> str:
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return super().__str__()
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class NetworkAdapter(Component):
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@classmethod
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def new(cls, lshw, hwinfo, **kwargs) -> Iterator[C]:
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nodes = get_nested_dicts_with_key_value(lshw, 'class', 'network')
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return (cls(node) for node in nodes)
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def __init__(self, node: dict) -> None:
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super().__init__(node)
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self.from_lshw(node)
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self.speed = None
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if 'capacity' in node:
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self.speed = unit.Quantity(node['capacity'], 'bit/s').to('Mbit/s').m
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if 'logicalname' in node: # todo this was taken from 'self'?
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# If we don't have logicalname it means we don't have the
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# (proprietary) drivers fot that NetworkAdaptor
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# which means we can't access at the MAC address
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# (note that S/N == MAC) "sudo /sbin/lspci -vv" could bring
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# the MAC even if no drivers are installed however more work
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# has to be done in ensuring it is reliable, really needed,
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# and to parse it
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# https://www.redhat.com/archives/redhat-list/2010-October/msg00066.html
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# workbench-live includes proprietary firmwares
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self.serial_number = self.serial_number or utils.get_hw_addr(
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node['logicalname']
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)
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self.variant = node.get('version', None)
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self.wireless = bool(node.get('configuration', {}).get('wireless', False))
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def __str__(self) -> str:
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return '{} {} {}'.format(
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super().__str__(), self.speed, 'wireless' if self.wireless else 'ethernet'
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)
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class SoundCard(Component):
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@classmethod
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def new(cls, lshw, hwinfo, **kwargs) -> Iterator[C]:
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nodes = get_nested_dicts_with_key_value(lshw, 'class', 'multimedia')
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return (cls(node) for node in nodes)
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def __init__(self, node) -> None:
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super().__init__(node)
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self.from_lshw(node)
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class Display(Component):
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TECHS = 'CRT', 'TFT', 'LED', 'PDP', 'LCD', 'OLED', 'AMOLED'
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"""Display technologies"""
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@classmethod
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def new(cls, lshw, hwinfo, **kwargs) -> Iterator[C]:
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for node in getter.indents(hwinfo, 'Monitor'):
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yield cls(node)
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def __init__(self, node: dict) -> None:
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super().__init__(node)
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self.model = getter.kv(node, 'Model')
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self.manufacturer = getter.kv(node, 'Vendor')
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self.serial_number = getter.kv(node, 'Serial ID', default=None, type=str)
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self.resolution_width, self.resolution_height, refresh_rate = text.numbers(
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getter.kv(node, 'Resolution')
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)
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self.refresh_rate = unit.Quantity(refresh_rate, 'Hz').m
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with suppress(StopIteration):
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# some monitors can have several resolutions, and the one
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# in "Detailed Timings" seems the highest one
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timings = next(getter.indents(node, 'Detailed Timings', indent=' '))
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self.resolution_width, self.resolution_height = text.numbers(
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getter.kv(timings, 'Resolution')
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)
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x, y = (
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unit.convert(v, 'millimeter', 'inch')
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for v in text.numbers(getter.kv(node, 'Size'))
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)
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self.size = hypot(x, y)
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self.technology = next((t for t in self.TECHS if t in node[0]), None)
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d = '{} {} 0'.format(
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getter.kv(node, 'Year of Manufacture'),
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getter.kv(node, 'Week of Manufacture'),
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)
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# We assume it has been produced the first day of such week
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self.production_date = datetime.strptime(d, '%Y %W %w').isoformat()
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self._aspect_ratio = Fraction(self.resolution_width, self.resolution_height)
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def __str__(self) -> str:
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return (
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'{0} {1.resolution_width}x{1.resolution_height} {1.size} inches {2}'.format(
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super().__str__(), self, self._aspect_ratio
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)
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)
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class Computer(Device):
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CHASSIS_TYPE = {
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'Desktop': {
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'desktop',
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'low-profile',
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'tower',
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'docking',
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'all-in-one',
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'pizzabox',
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'mini-tower',
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'space-saving',
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'lunchbox',
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'mini',
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'stick',
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},
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'Laptop': {
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'portable',
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'laptop',
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'convertible',
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'tablet',
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'detachable',
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'notebook',
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'handheld',
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'sub-notebook',
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},
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'Server': {'server'},
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'Computer': {'_virtual'},
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}
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"""
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A translation dictionary whose keys are Devicehub types and values
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are possible chassis values that `dmi <https://ezix.org/src/pkg/
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lshw/src/master/src/core/dmi.cc#L632>`_ can offer.
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"""
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CHASSIS_DH = {
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'Tower': {'desktop', 'low-profile', 'tower', 'server'},
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'Docking': {'docking'},
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'AllInOne': {'all-in-one'},
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'Microtower': {'mini-tower', 'space-saving', 'mini'},
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'PizzaBox': {'pizzabox'},
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'Lunchbox': {'lunchbox'},
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'Stick': {'stick'},
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'Netbook': {'notebook', 'sub-notebook'},
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'Handheld': {'handheld'},
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'Laptop': {'portable', 'laptop'},
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'Convertible': {'convertible'},
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'Detachable': {'detachable'},
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'Tablet': {'tablet'},
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'Virtual': {'_virtual'},
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}
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"""
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A conversion table from DMI's chassis type value Devicehub
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chassis value.
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"""
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COMPONENTS = list(Component.__subclasses__()) # type: List[Type[Component]]
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COMPONENTS.remove(Motherboard)
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def __init__(self, node: dict) -> None:
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super().__init__(node)
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self.from_lshw(node)
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chassis = node.get('configuration', {}).get('chassis', '_virtual')
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self.type = next(
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t for t, values in self.CHASSIS_TYPE.items() if chassis in values
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)
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self.chassis = next(
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t for t, values in self.CHASSIS_DH.items() if chassis in values
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)
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self.sku = getter.dict(node, ('configuration', 'sku'), default=None, type=str)
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self.version = getter.dict(node, 'version', default=None, type=str)
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self._ram = None
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@classmethod
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def run(cls, lshw, hwinfo_raw, uuid=None, sid=None):
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"""
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Gets hardware information from the computer and its components,
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like serial numbers or model names, and benchmarks them.
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This function uses ``LSHW`` as the main source of hardware information,
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which is obtained once when it is instantiated.
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"""
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hwinfo = hwinfo_raw.splitlines()
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computer = cls(lshw)
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components = []
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try:
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for Component in cls.COMPONENTS:
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if Component == Display and computer.type != 'Laptop':
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continue # Only get display info when computer is laptop
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components.extend(Component.new(lshw=lshw, hwinfo=hwinfo))
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components.append(Motherboard.new(lshw, hwinfo))
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computer._ram = sum(
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ram.size for ram in components if isinstance(ram, RamModule)
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)
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except Exception as err:
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# if there are any problem with components, save the problem and continue
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txt = "Error: Snapshot: {uuid}, sid: {sid}, type_error: {type}, error: {error}".format(
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uuid=uuid, sid=sid, type=err.__class__, error=err
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)
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cls.errors(txt, uuid=uuid, sid=sid)
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return computer, components
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@classmethod
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def errors(cls, txt=None, uuid=None, sid=None, severity=Severity.Error):
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if not txt:
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return
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logger.error(txt)
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error = SnapshotErrors(
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description=txt, snapshot_uuid=uuid, severity=severity, sid=sid
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)
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error.save()
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def __str__(self) -> str:
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specs = super().__str__()
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return '{} with {} MB of RAM.'.format(specs, self._ram)
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