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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
#
from __future__ import absolute_import
import os
from typing import Dict, Iterable
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
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
return CloudlinuxSelectorLib('nodejs').get_nodejs_selector_status()['selector_enabled']
except ImportError:
return False
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