# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2018 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# https://cloudlinux.com/docs/LICENCE.TXT
#
from concurrent.futures import ThreadPoolExecutor
from typing import Iterator
from clcommon.utils import is_ubuntu
from clconfigure import task, run
from clconfigure.packages import install_package
# Files of the packages listed below are not supposed
# to allow creation of symlinks to them
PACKAGES_TO_EXCLUDE = {
'alt-python27-cllib',
'alt-php-xray',
'alt-php-ssa',
}
def initialize_linksafe():
# NOTE(vlebedev): Also we need to trigger linksafe scriptlets to properly initialize relevant UNIX groups.
# Otherwise this problem may occur:
# https://cloudlinux.zendesk.com/hc/en-us/articles/
# 115004139173-What-does-Error-failed-to-create-symlink-13-Permission-denied-mean
install_package('cloudlinux-linksafe', reinstall=True)
assign_linksafe_group()
@task("Assigning linksafe group to files of 'alt-*' packages residing under /opt/alt")
def assign_linksafe_group(concurrency: int = 5):
with ThreadPoolExecutor(max_workers=concurrency) as tp:
for package in _installed_packages_iter(
"alt-php*",
"alt-python*",
"alt-ruby*",
):
if package not in PACKAGES_TO_EXCLUDE:
tp.submit(run, ['/usr/bin/cl-linksafe-apply-group', package])
def _installed_packages_iter(*patterns: str) -> Iterator[str]:
if is_ubuntu():
result = run(["dpkg-query", "-W", "-f", "${Package}\n", *patterns])
else:
result = run(["rpm", "-qa", *patterns])
lines = result.stdout.strip().splitlines()
for line in lines:
yield line
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