diff options
Diffstat (limited to 'cloudinit/dmi.py')
| -rw-r--r-- | cloudinit/dmi.py | 68 |
1 files changed, 36 insertions, 32 deletions
diff --git a/cloudinit/dmi.py b/cloudinit/dmi.py index bba3daf2..3a999d41 100644 --- a/cloudinit/dmi.py +++ b/cloudinit/dmi.py @@ -1,17 +1,17 @@ # This file is part of cloud-init. See LICENSE file for license information. +import os +from collections import namedtuple + from cloudinit import log as logging from cloudinit import subp from cloudinit.util import is_container, is_FreeBSD -from collections import namedtuple -import os - LOG = logging.getLogger(__name__) # Path for DMI Data DMI_SYS_PATH = "/sys/class/dmi/id" -kdmi = namedtuple('KernelNames', ['linux', 'freebsd']) +kdmi = namedtuple("KernelNames", ["linux", "freebsd"]) kdmi.__new__.defaults__ = (None, None) # FreeBSD's kenv(1) and Linux /sys/class/dmi/id/* both use different names from @@ -20,23 +20,23 @@ kdmi.__new__.defaults__ = (None, None) # This is our canonical translation table. If we add more tools on other # platforms to find dmidecode's values, their keys need to be put in here. DMIDECODE_TO_KERNEL = { - 'baseboard-asset-tag': kdmi('board_asset_tag', 'smbios.planar.tag'), - 'baseboard-manufacturer': kdmi('board_vendor', 'smbios.planar.maker'), - 'baseboard-product-name': kdmi('board_name', 'smbios.planar.product'), - 'baseboard-serial-number': kdmi('board_serial', 'smbios.planar.serial'), - 'baseboard-version': kdmi('board_version', 'smbios.planar.version'), - 'bios-release-date': kdmi('bios_date', 'smbios.bios.reldate'), - 'bios-vendor': kdmi('bios_vendor', 'smbios.bios.vendor'), - 'bios-version': kdmi('bios_version', 'smbios.bios.version'), - 'chassis-asset-tag': kdmi('chassis_asset_tag', 'smbios.chassis.tag'), - 'chassis-manufacturer': kdmi('chassis_vendor', 'smbios.chassis.maker'), - 'chassis-serial-number': kdmi('chassis_serial', 'smbios.chassis.serial'), - 'chassis-version': kdmi('chassis_version', 'smbios.chassis.version'), - 'system-manufacturer': kdmi('sys_vendor', 'smbios.system.maker'), - 'system-product-name': kdmi('product_name', 'smbios.system.product'), - 'system-serial-number': kdmi('product_serial', 'smbios.system.serial'), - 'system-uuid': kdmi('product_uuid', 'smbios.system.uuid'), - 'system-version': kdmi('product_version', 'smbios.system.version'), + "baseboard-asset-tag": kdmi("board_asset_tag", "smbios.planar.tag"), + "baseboard-manufacturer": kdmi("board_vendor", "smbios.planar.maker"), + "baseboard-product-name": kdmi("board_name", "smbios.planar.product"), + "baseboard-serial-number": kdmi("board_serial", "smbios.planar.serial"), + "baseboard-version": kdmi("board_version", "smbios.planar.version"), + "bios-release-date": kdmi("bios_date", "smbios.bios.reldate"), + "bios-vendor": kdmi("bios_vendor", "smbios.bios.vendor"), + "bios-version": kdmi("bios_version", "smbios.bios.version"), + "chassis-asset-tag": kdmi("chassis_asset_tag", "smbios.chassis.tag"), + "chassis-manufacturer": kdmi("chassis_vendor", "smbios.chassis.maker"), + "chassis-serial-number": kdmi("chassis_serial", "smbios.chassis.serial"), + "chassis-version": kdmi("chassis_version", "smbios.chassis.version"), + "system-manufacturer": kdmi("sys_vendor", "smbios.system.maker"), + "system-product-name": kdmi("product_name", "smbios.system.product"), + "system-serial-number": kdmi("product_serial", "smbios.system.serial"), + "system-uuid": kdmi("product_uuid", "smbios.system.uuid"), + "system-version": kdmi("product_version", "smbios.system.version"), } @@ -62,14 +62,18 @@ def _read_dmi_syspath(key): # uninitialized dmi values show as all \xff and /sys appends a '\n'. # in that event, return empty string. - if key_data == b'\xff' * (len(key_data) - 1) + b'\n': + if key_data == b"\xff" * (len(key_data) - 1) + b"\n": key_data = b"" try: - return key_data.decode('utf8').strip() + return key_data.decode("utf8").strip() except UnicodeDecodeError as e: - LOG.error("utf-8 decode of content (%s) in %s failed: %s", - dmi_key_path, key_data, e) + LOG.error( + "utf-8 decode of content (%s) in %s failed: %s", + dmi_key_path, + key_data, + e, + ) return None @@ -91,7 +95,7 @@ def _read_kenv(key): LOG.debug("kenv returned '%s' for '%s'", result, kmap.freebsd) return result except subp.ProcessExecutionError as e: - LOG.debug('failed kenv cmd: %s\n%s', cmd, e) + LOG.debug("failed kenv cmd: %s\n%s", cmd, e) return None return None @@ -111,7 +115,7 @@ def _call_dmidecode(key, dmidecode_path): return "" return result except subp.ProcessExecutionError as e: - LOG.debug('failed dmidecode cmd: %s\n%s', cmd, e) + LOG.debug("failed dmidecode cmd: %s\n%s", cmd, e) return None @@ -144,20 +148,20 @@ def read_dmi_data(key): return syspath_value def is_x86(arch): - return (arch == 'x86_64' or (arch[0] == 'i' and arch[2:] == '86')) + return arch == "x86_64" or (arch[0] == "i" and arch[2:] == "86") # running dmidecode can be problematic on some arches (LP: #1243287) uname_arch = os.uname()[4] - if not (is_x86(uname_arch) or uname_arch in ('aarch64', 'amd64')): + if not (is_x86(uname_arch) or uname_arch in ("aarch64", "amd64")): LOG.debug("dmidata is not supported on %s", uname_arch) return None - dmidecode_path = subp.which('dmidecode') + dmidecode_path = subp.which("dmidecode") if dmidecode_path: return _call_dmidecode(key, dmidecode_path) - LOG.debug("did not find either path %s or dmidecode command", - DMI_SYS_PATH) + LOG.debug("did not find either path %s or dmidecode command", DMI_SYS_PATH) return None + # vi: ts=4 expandtab |