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Current File : //opt/cloudlinux/venv/lib64/python3.11/site-packages/clwpos/logsetup.py
# coding=utf-8
#
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2020 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENCE.TXT
#

from __future__ import absolute_import

import logging
import os
import pwd
from logging import StreamHandler
from logging.handlers import RotatingFileHandler

from clwpos.constants import PROJECT_NAME, SENTRY_DSN, PKG_VERSION
from clsentry import init_sentry_client

ADMIN_LOGFILE_PATH = "/var/log/clwpos/main.log"
USER_WPOS_DIR = ".clwpos"
USER_LOGFILE_PATH = os.path.join("{homedir}", USER_WPOS_DIR, "main.log")


def setup_logging(
        caller_name,
        console_level=logging.CRITICAL,
        file_level=logging.INFO,
        logfile_path=ADMIN_LOGFILE_PATH,
):
    """
    Sets up logger and return it to the caller
    :param str caller_name:
    :param console_level:
    :param file_level:
    :return logging.Logger: log, initialized
    """
    euid = os.geteuid()
    if euid != 0:
        pw = pwd.getpwuid(euid)
        logfile_path = USER_LOGFILE_PATH.format(homedir=pw.pw_dir)

        from clwpos.utils import create_clwpos_dir_if_not_exists
        create_clwpos_dir_if_not_exists(pw)

    logging.root.setLevel(logging.DEBUG)

    logger = logging.getLogger(caller_name)
    has_file_log = any(
        [True for handler in logger.handlers if isinstance(handler, RotatingFileHandler)]
    )
    has_console_log = any(
        [True for handler in logger.handlers if isinstance(handler, StreamHandler)]
    )
    if not has_console_log:
        logger.addHandler(get_console_log_handler(console_level))
    if not has_file_log:
        logger.addHandler(get_file_log_handler(file_level, logfile_path))

    return logger


def get_package_version(pkg_version=None):
    """
    Strips platform-dependent part of package version.
    """
    pkg_version = pkg_version or PKG_VERSION
    try:
        version = pkg_version.split(".el")
        release = version[0]
        is_developer = not version[1].endswith('cloudlinux')
    except IndexError:
        release = pkg_version
        is_developer = True
    return release, is_developer


def init_wpos_sentry_safely(logger=None):
    """
    Inits sentry safely, do not break all functionality if init failed
    """
    version, is_development = get_package_version()

    try:
        sentry = init_sentry_client(PROJECT_NAME, release=version, dsn=SENTRY_DSN)
        sentry.environment = 'Development' if is_development else 'Release'
        sentry.tags['full_version'] = PKG_VERSION
    except Exception as e:
        if logger:
            logger.warning('Error during sentry init: %s', str(e))


def get_file_log_handler(file_level, logfile_path):
    if not os.path.lexists(logfile_path):
        umask_saved = os.umask(0o77)
        try:
            open(logfile_path, "w").close()
        finally:
            os.umask(umask_saved)
    os.chmod(logfile_path, 0o600)
    # we save only 5mb of logs per user
    file_log = RotatingFileHandler(logfile_path, maxBytes=1024 * 1024, backupCount=5)
    formatter = logging.Formatter(
        fmt="%(asctime)s: (%(name)s) [%(levelname)s] %(message)s"
    )
    file_log.setFormatter(formatter)
    file_log.setLevel(file_level)
    return file_log


def get_console_log_handler(console_level):
    console_log = logging.StreamHandler()
    formatter_console = logging.Formatter(
        fmt="%(asctime)s: (%(name)s) [%(levelname)s] %(message)s"
    )
    console_log.setFormatter(formatter_console)
    console_log.setLevel(console_level)
    return console_log


class NullLogger(logging.Logger):

    def __init__(self):
        super(NullLogger, self).__init__('null_logger')
        nh = logging.NullHandler()
        self.addHandler(nh)