Gestionnaire de fichiers - Editer - /usr/lib/python2.7/site-packages/cloudinit/config/cc_ubuntu_drivers.py
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# This file is part of cloud-init. See LICENSE file for license information. """Ubuntu Drivers: Interact with third party drivers in Ubuntu.""" import os from textwrap import dedent from cloudinit.config.schema import ( get_schema_doc, validate_cloudconfig_schema) from cloudinit import log as logging from cloudinit.settings import PER_INSTANCE from cloudinit import temp_utils from cloudinit import type_utils from cloudinit import util LOG = logging.getLogger(__name__) frequency = PER_INSTANCE distros = ['ubuntu'] schema = { 'id': 'cc_ubuntu_drivers', 'name': 'Ubuntu Drivers', 'title': 'Interact with third party drivers in Ubuntu.', 'description': dedent("""\ This module interacts with the 'ubuntu-drivers' command to install third party driver packages."""), 'distros': distros, 'examples': [dedent("""\ drivers: nvidia: license-accepted: true """)], 'frequency': frequency, 'type': 'object', 'properties': { 'drivers': { 'type': 'object', 'additionalProperties': False, 'properties': { 'nvidia': { 'type': 'object', 'additionalProperties': False, 'required': ['license-accepted'], 'properties': { 'license-accepted': { 'type': 'boolean', 'description': ("Do you accept the NVIDIA driver" " license?"), }, 'version': { 'type': 'string', 'description': ( 'The version of the driver to install (e.g.' ' "390", "410"). Defaults to the latest' ' version.'), }, }, }, }, }, }, } OLD_UBUNTU_DRIVERS_STDERR_NEEDLE = ( "ubuntu-drivers: error: argument <command>: invalid choice: 'install'") __doc__ = get_schema_doc(schema) # Supplement python help() # Use a debconf template to configure a global debconf variable # (linux/nvidia/latelink) setting this to "true" allows the # 'linux-restricted-modules' deb to accept the NVIDIA EULA and the package # will automatically link the drivers to the running kernel. # EOL_XENIAL: can then drop this script and use python3-debconf which is only # available in Bionic and later. Can't use python3-debconf currently as it # isn't in Xenial and doesn't yet support X_LOADTEMPLATEFILE debconf command. NVIDIA_DEBCONF_CONTENT = """\ Template: linux/nvidia/latelink Type: boolean Default: true Description: Late-link NVIDIA kernel modules? Enable this to link the NVIDIA kernel modules in cloud-init and make them available for use. """ NVIDIA_DRIVER_LATELINK_DEBCONF_SCRIPT = """\ #!/bin/sh # Allow cloud-init to trigger EULA acceptance via registering a debconf # template to set linux/nvidia/latelink true . /usr/share/debconf/confmodule db_x_loadtemplatefile "$1" cloud-init """ def install_drivers(cfg, pkg_install_func): if not isinstance(cfg, dict): raise TypeError( "'drivers' config expected dict, found '%s': %s" % (type_utils.obj_name(cfg), cfg)) cfgpath = 'nvidia/license-accepted' # Call translate_bool to ensure that we treat string values like "yes" as # acceptance and _don't_ treat string values like "nah" as acceptance # because they're True-ish nv_acc = util.translate_bool(util.get_cfg_by_path(cfg, cfgpath)) if not nv_acc: LOG.debug("Not installing NVIDIA drivers. %s=%s", cfgpath, nv_acc) return if not util.which('ubuntu-drivers'): LOG.debug("'ubuntu-drivers' command not available. " "Installing ubuntu-drivers-common") pkg_install_func(['ubuntu-drivers-common']) driver_arg = 'nvidia' version_cfg = util.get_cfg_by_path(cfg, 'nvidia/version') if version_cfg: driver_arg += ':{}'.format(version_cfg) LOG.debug("Installing and activating NVIDIA drivers (%s=%s, version=%s)", cfgpath, nv_acc, version_cfg if version_cfg else 'latest') # Register and set debconf selection linux/nvidia/latelink = true tdir = temp_utils.mkdtemp(needs_exe=True) debconf_file = os.path.join(tdir, 'nvidia.template') debconf_script = os.path.join(tdir, 'nvidia-debconf.sh') try: util.write_file(debconf_file, NVIDIA_DEBCONF_CONTENT) util.write_file( debconf_script, util.encode_text(NVIDIA_DRIVER_LATELINK_DEBCONF_SCRIPT), mode=0o755) util.subp([debconf_script, debconf_file]) except Exception as e: util.logexc( LOG, "Failed to register NVIDIA debconf template: %s", str(e)) raise finally: if os.path.isdir(tdir): util.del_dir(tdir) try: util.subp(['ubuntu-drivers', 'install', '--gpgpu', driver_arg]) except util.ProcessExecutionError as exc: if OLD_UBUNTU_DRIVERS_STDERR_NEEDLE in exc.stderr: LOG.warning('the available version of ubuntu-drivers is' ' too old to perform requested driver installation') elif 'No drivers found for installation.' in exc.stdout: LOG.warning('ubuntu-drivers found no drivers for installation') raise def handle(name, cfg, cloud, log, _args): if "drivers" not in cfg: log.debug("Skipping module named %s, no 'drivers' key in config", name) return validate_cloudconfig_schema(cfg, schema) install_drivers(cfg['drivers'], cloud.distro.install_packages)
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