diff options
Diffstat (limited to 'src/op_mode/image_installer.py')
| -rwxr-xr-x | src/op_mode/image_installer.py | 73 |
1 files changed, 55 insertions, 18 deletions
diff --git a/src/op_mode/image_installer.py b/src/op_mode/image_installer.py index 82756daec..2660309a5 100755 --- a/src/op_mode/image_installer.py +++ b/src/op_mode/image_installer.py @@ -24,7 +24,9 @@ from glob import glob from sys import exit from os import environ from os import readlink -from os import getpid, getppid +from os import getpid +from os import getppid +from json import loads from typing import Union from urllib.parse import urlparse from passlib.hosts import linux_context @@ -35,15 +37,23 @@ from psutil import disk_partitions from vyos.base import Warning from vyos.configtree import ConfigTree from vyos.remote import download -from vyos.system import disk, grub, image, compat, raid, SYSTEM_CFG_VER +from vyos.system import disk +from vyos.system import grub +from vyos.system import image +from vyos.system import compat +from vyos.system import raid +from vyos.system import SYSTEM_CFG_VER +from vyos.system import grub_util from vyos.template import render from vyos.utils.auth import ( DEFAULT_PASSWORD, EPasswdStrength, evaluate_strength ) +from vyos.utils.dict import dict_search from vyos.utils.io import ask_input, ask_yes_no, select_entry from vyos.utils.file import chmod_2775 +from vyos.utils.file import read_file from vyos.utils.process import cmd, run, rc_cmd from vyos.version import get_version_data @@ -58,6 +68,7 @@ MSG_ERR_FLAVOR_MISMATCH: str = 'The current image flavor is "{0}", the new image MSG_ERR_MISSING_ARCHITECTURE: str = 'The new image version data does not specify architecture, cannot check compatibility (is it a legacy release image?)' MSG_ERR_MISSING_FLAVOR: str = 'The new image version data does not specify flavor, cannot check compatibility (is it a legacy release image?)' MSG_ERR_CORRUPT_CURRENT_IMAGE: str = 'Version data in the current image is malformed: missing flavor and/or architecture fields. Upgrade compatibility cannot be checked.' +MSG_ERR_UNSUPPORTED_SIGNATURE_TYPE: str = 'Unsupported signature type, signature cannot be verified.' MSG_INFO_INSTALL_WELCOME: str = 'Welcome to VyOS installation!\nThis command will install VyOS to your permanent storage.' MSG_INFO_INSTALL_EXIT: str = 'Exiting from VyOS installation' MSG_INFO_INSTALL_SUCCESS: str = 'The image installed successfully; please reboot now.' @@ -73,6 +84,7 @@ MSG_INPUT_CONFIG_FOUND: str = 'An active configuration was found. Would you like MSG_INPUT_CONFIG_CHOICE: str = 'The following config files are available for boot:' MSG_INPUT_CONFIG_CHOOSE: str = 'Which file would you like as boot config?' MSG_INPUT_IMAGE_NAME: str = 'What would you like to name this image?' +MSG_INPUT_IMAGE_NAME_TAKEN: str = 'There is already an installed image by that name; please choose again' MSG_INPUT_IMAGE_DEFAULT: str = 'Would you like to set the new image as the default one for boot?' MSG_INPUT_PASSWORD: str = 'Please enter a password for the "vyos" user:' MSG_INPUT_PASSWORD_CONFIRM: str = 'Please confirm password for the "vyos" user:' @@ -475,6 +487,25 @@ def setup_grub(root_dir: str) -> None: render(grub_cfg_menu, grub.TMPL_GRUB_MENU, {}) render(grub_cfg_options, grub.TMPL_GRUB_OPTS, {}) +def get_cli_kernel_options(config_file: str) -> list: + config = ConfigTree(read_file(config_file)) + config_dict = loads(config.to_json()) + kernel_options = dict_search('system.option.kernel', config_dict) + cmdline_options = [] + + # XXX: This code path and if statements must be kept in sync with the Kernel + # option handling in system_options.py:generate(). This occurance is used + # for having the appropriate options passed to GRUB after an image upgrade! + if 'disable-mitigations' in kernel_options: + cmdline_options.append('mitigations=off') + if 'disable-power-saving' in kernel_options: + cmdline_options.append('intel_idle.max_cstate=0 processor.max_cstate=1') + if 'amd-pstate-driver' in kernel_options: + mode = kernel_options['amd-pstate-driver'] + cmdline_options.append( + f'initcall_blacklist=acpi_cpufreq_init amd_pstate={mode}') + + return cmdline_options def configure_authentication(config_file: str, password: str) -> None: """Write encrypted password to config file @@ -489,10 +520,7 @@ def configure_authentication(config_file: str, password: str) -> None: plaintext exposed """ encrypted_password = linux_context.hash(password) - - with open(config_file) as f: - config_string = f.read() - + config_string = read_file(config_file) config = ConfigTree(config_string) config.set([ 'system', 'login', 'user', 'vyos', 'authentication', @@ -514,7 +542,6 @@ def validate_signature(file_path: str, sign_type: str) -> None: """ print('Validating signature') signature_valid: bool = False - # validate with minisig if sign_type == 'minisig': pub_key_list = glob('/usr/share/vyos/keys/*.minisign.pub') for pubkey in pub_key_list: @@ -523,11 +550,8 @@ def validate_signature(file_path: str, sign_type: str) -> None: signature_valid = True break Path(f'{file_path}.minisig').unlink() - # validate with GPG - if sign_type == 'asc': - if run(f'gpg --verify ${file_path}.asc ${file_path}') == 0: - signature_valid = True - Path(f'{file_path}.asc').unlink() + else: + exit(MSG_ERR_UNSUPPORTED_SIGNATURE_TYPE) # warn or pass if not signature_valid: @@ -581,15 +605,18 @@ def image_fetch(image_path: str, vrf: str = None, try: # check a type of path if urlparse(image_path).scheme: - # download an image + # Download the image file ISO_DOWNLOAD_PATH = os.path.join(os.path.expanduser("~"), '{0}.iso'.format(uuid4())) download_file(ISO_DOWNLOAD_PATH, image_path, vrf, username, password, progressbar=True, check_space=True) - # download a signature + # Download the image signature + # VyOS only supports minisign signatures at the moment, + # but we keep the logic for multiple signatures + # in case we add something new in the future sign_file = (False, '') - for sign_type in ['minisig', 'asc']: + for sign_type in ['minisig']: try: download_file(f'{ISO_DOWNLOAD_PATH}.{sign_type}', f'{image_path}.{sign_type}', vrf, @@ -597,8 +624,8 @@ def image_fetch(image_path: str, vrf: str = None, sign_file = (True, sign_type) break except Exception: - print(f'{sign_type} signature is not available') - # validate a signature if it is available + print(f'Could not download {sign_type} signature') + # Validate the signature if it is available if sign_file[0]: validate_signature(ISO_DOWNLOAD_PATH, sign_file[1]) else: @@ -984,8 +1011,12 @@ def add_image(image_path: str, vrf: str = None, username: str = '', f'Adding image would downgrade image tools to v.{cfg_ver}; disallowed') if not no_prompt: + versions = grub.version_list() while True: image_name: str = ask_input(MSG_INPUT_IMAGE_NAME, version_name) + if image_name in versions: + print(MSG_INPUT_IMAGE_NAME_TAKEN) + continue if image.validate_name(image_name): break print(MSG_WARN_IMAGE_NAME_WRONG) @@ -1007,7 +1038,7 @@ def add_image(image_path: str, vrf: str = None, username: str = '', Path(target_config_dir).mkdir(parents=True) chown(target_config_dir, group='vyattacfg') chmod_2775(target_config_dir) - copytree('/opt/vyatta/etc/config/', target_config_dir, + copytree('/opt/vyatta/etc/config/', target_config_dir, symlinks=True, copy_function=copy_preserve_owner, dirs_exist_ok=True) else: Path(target_config_dir).mkdir(parents=True) @@ -1040,6 +1071,12 @@ def add_image(image_path: str, vrf: str = None, username: str = '', if set_as_default: grub.set_default(image_name, root_dir) + cmdline_options = get_cli_kernel_options( + f'{target_config_dir}/config.boot') + grub_util.update_kernel_cmdline_options(' '.join(cmdline_options), + root_dir=root_dir, + version=image_name) + except OSError as e: # if no space error, remove image dir and cleanup if e.errno == ENOSPC: |