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# coding=utf-8 # # Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2021 All Rights Reserved # # Licensed under CLOUD LINUX LICENSE AGREEMENT # http://cloudlinux.com/docs/LICENCE.TXT # import os from typing import Dict, Iterable # NOQA from clcommon.const import Feature from clcommon.utils import ExternalProgramFailed, get_passenger_package_name from clwizard.constants import CL_SELECTOR_BIN, MODULES_LOGS_DIR from clwizard.exceptions import InstallationFailedException, PackageMissingError from clwizard.modules.base import WizardInstaller from clwizard.utils import installed_interpreters_list class NodejsInstaller(WizardInstaller): LOG_FILE = os.path.join(MODULES_LOGS_DIR, 'nodejs.log') _REQUIRED_CL_COMPONENT_SUPPORT = Feature.NODEJS_SELECTOR def _set_default_nodejs_version(self, version): # type: (str) -> None self.app_logger.info("trying to set default NodeJS version as '%s'", version) try: self._run_command( [ CL_SELECTOR_BIN, 'set', '--interpreter', 'nodejs', '--default-version', version, '--json', ] ) except ExternalProgramFailed as e: raise InstallationFailedException() from e def _set_cloudlinux_selector_status(self, status): # type: (str) -> None self.app_logger.info("trying to set NodeJS Selector state '%s'", status) try: self._run_command( [ CL_SELECTOR_BIN, 'set', '--interpreter', 'nodejs', '--selector-status', status, '--json', ] ) except ExternalProgramFailed as e: raise InstallationFailedException() from e def _install_nodejs_versions(self, versions): # type: (Iterable[str]) -> None self.app_logger.info("Trying to install NodeJS versions: %s", ', '.join(versions)) # Given a version (e.g., '6') construct required package group name group_names = ['alt-nodejs' + version for version in versions] try: self._install_groups(*group_names) except ExternalProgramFailed as e: raise InstallationFailedException() from e def run_installation(self, options): default_version = options.get('default_version') # type: str install_versions = options.get('versions', []) if default_version and default_version not in install_versions: self.app_logger.error( "Version %s that was specified to be set as default " "must be included in install_versions", default_version, ) raise InstallationFailedException() self._install_passenger() self._install_nodejs_versions(install_versions) self._set_cloudlinux_selector_status(status='enabled') if default_version: self._set_default_nodejs_version(default_version) @classmethod def supported_options(cls): return {'default_version', 'versions'} @staticmethod def _nodejs_get_default_version(): # type: () -> str try: from clselect.clselectctl import get_default_version # pylint: disable=import-outside-toplevel except ImportError as e: raise PackageMissingError('lvemanager') from e return get_default_version('nodejs') def _is_already_configured(self): # type: () -> bool """ Checks that nodejs selector is ready to work All configurations were done: - At least one interpreter version is installed - Passenger is installed - Nodejs selector is enabled :return: bool value configured or not """ return bool( any(it.installed for it in installed_interpreters_list('nodejs')) and self._is_package_installed(get_passenger_package_name()) and self._is_nodejs_selector_enabled() ) def initial_status(self): # type: () -> Dict """ Return dictionary with two required keys: installed and options. This will be used by lvemanager UI to properly display wizard. """ interpreters_list = installed_interpreters_list('nodejs') installed_versions = [it.version for it in interpreters_list if it.installed] return { 'already_configured': self._is_already_configured(), 'options': { 'default_version': self._nodejs_get_default_version(), 'installed_versions': installed_versions, 'available_versions': self._get_available_versions('nodejs'), }, } def _is_nodejs_selector_enabled(self): # type: () -> bool """ Return True if Nodejs Selector enabled :return: bool """ self.app_logger.info("trying to get NodeJS Selector state.") try: from clselector.selectorlib import CloudlinuxSelectorLib # pylint: disable=import-outside-toplevel return CloudlinuxSelectorLib('nodejs').get_nodejs_selector_status()['selector_enabled'] except ImportError: return False