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#!/opt/cloudlinux/venv/bin/python3 -bb
# -*- coding: utf-8 -*-
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2019 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
from __future__ import print_function
from __future__ import division
from __future__ import absolute_import
import os
import sys
import getpass
from future.utils import iteritems
from clselect.clselectnodejs.apps_manager import ApplicationsManager as NodeJsAppsManager
from clselect.clselectpython.apps_manager import ApplicationsManager as PythonAppsManager, get_venv_rel_path
from clselect.utils import get_using_realpath_keys
def get_app_name(interpreter):
"""
Get application name via CL_APP_ROOT variable
:param interpreter: interpreter name
:return: str application name
"""
if os.environ.get('CL_APP_ROOT'):
return os.environ['CL_APP_ROOT']
elif interpreter == 'python':
abs_venv_path = os.environ['VIRTUAL_ENV']
user_home = os.environ['HOME']
# /home/<username>/virtualenv/<name>/<version> ->
# /virtualenv/<name>
vevn_rel_path = os.path.dirname(abs_venv_path).replace(user_home + '/', '', 1)
# if VENV_REL_PATH contains _ we cannot
# clearly define app_root and should guess
if '_' in vevn_rel_path:
username = getpass.getuser()
# in python CL_APP_ROOT is not set, we must guess by env path
for app_root in PythonAppsManager().get_user_config_data(username):
_, rel_path = get_venv_rel_path(username, app_root)
if rel_path == vevn_rel_path:
return app_root
return None
else:
return vevn_rel_path.replace('virtualenv/', '', 1)
else:
raise NotImplementedError(
'I don\'t know how to get app_root for %s' % interpreter)
def get_env_vars(_app_name, interpreter):
"""
Get environment variables from user config for given application name
:param _app_name: application name
:param interpreter: interpreter name
:return: dict {ENV_VAR_NAME: VALUE}
"""
_env_vars = {}
username = getpass.getuser()
try:
full_app_config = get_app_full_conf(username, _app_name, interpreter)
if interpreter == 'nodejs':
_env_vars['NODE_ENV'] = full_app_config['app_mode']
_env_vars.update(full_app_config['env_vars'])
except KeyError:
pass
return _env_vars
def set_env_vars(dict_env_vars):
"""
Print to stdout bash strings with environment variables
:param dict_env_vars: dict with environment variables
:return: None
"""
for key, var in iteritems(dict_env_vars):
print('export {}="{}"'.format(key, var))
def is_root():
return os.geteuid() == 0
def get_app_full_conf(user, app, interpreter):
if interpreter == 'nodejs':
manager = NodeJsAppsManager()
elif interpreter == 'python':
manager = PythonAppsManager()
else:
raise NotImplementedError()
full_user_config = manager.get_user_config_data(user)
if not full_user_config:
print("User config was not found or empty")
sys.exit(0)
return get_using_realpath_keys(user, app, full_user_config)
if __name__ == "__main__":
if is_root():
print("This program is not intended to be run as root.")
sys.exit(1)
args = sys.argv
if len(args) < 2:
print("Interpreter is not passed.")
sys.exit(1)
app_name = get_app_name(sys.argv[1])
if app_name is None:
print("Unknown application.")
sys.exit(1)
env_vars = get_env_vars(app_name, sys.argv[1])
set_env_vars(env_vars)