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: / opt / cloudlinux / venv / lib / python3.11 / site-packages / xray / continuous /
Filename : manager.py
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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/LICENSE.TXT

"""
This module contains continuous tracing manager, aimed to enable|disable
tracing
"""
from urllib.parse import urlparse

from xray import gettext as _
from .common import ContinuousCommon
from ..internal.exceptions import XRayError, XRayManagerExit
from ..internal.utils import timestamp


class ContinuousManager(ContinuousCommon):
    """
    enable|disable|start|stop|list continuous tracing
    """

    @staticmethod
    def url_sanitize(url: str) -> str:
        """
        Leaves only domain path of URL, without www. prefix and :port postfix
        """
        fragments = urlparse(url)
        _no_www_netloc = fragments.netloc.replace('www.', '')
        _no_port_netloc = _no_www_netloc.split(':')[0]
        return f"{fragments.scheme}://{_no_port_netloc}"

    def enable(self, domain: str, url: str, email: str) -> None:
        """
        Enable continuous tracing
        """
        if domain not in self.tracing_conf:
            self.tracing_conf[domain] = {
                "creation_time": timestamp(),
                "domain": domain,
                "original_url": self.url_sanitize(url),
                "email": email,
                "execution_count": 0,
                "status": "running"
            }
        else:
            raise XRayManagerExit(
                _('Continuous monitoring for domain "%s" is already enabled') % domain)
        self.dump_tracing_configuration()

    def disable(self, domain: str) -> None:
        """
        Disable continuous tracing
        """
        self.remove_tracing_configuration(domain)

    def start(self, domain: str) -> None:
        """
        Start continuous monitoring
        """
        self.update_status(domain, 'running')

    def stop(self, domain: str) -> None:
        """
        Stop continuous monitoring
        """
        self.update_status(domain, 'stopped')

    def update_status(self, domain: str, status: str) -> None:
        """
        Set given 'status' for requested 'domain'
        """
        try:
            if self.tracing_conf[domain]['status'] == status:
                self.logger.error('Continuous monitoring is already %s',
                                  status,
                                  extra={'domain': domain,
                                         'tracing_entry': self.tracing_conf[
                                             domain]})
                raise XRayError(
                    _('Continuous monitoring for {} is already {}'.format(domain, status)))
        except KeyError:
            self.logger.error('Continuous monitoring is not enabled',
                              extra={'domain': domain,
                                     'tracing_entries': self.tracing_conf})
            raise XRayError(
                _('Continuous monitoring for %s is not enabled') % domain)

        self.tracing_conf[domain]['status'] = status
        self.dump_tracing_configuration()

    def get_tracing_list(self):
        """
        Return all continuous tracing tasks
        """
        return list(self.tracing_conf.values())