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File Manager

Path: /opt/cloudlinux/venv/lib64/python3.11/site-packages/xray/continuous/

Viewing File: manager.py

# -*- 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)
        if fragments.netloc.startswith("www."):
            _no_www_netloc = fragments.netloc[4:]
        else:
            _no_www_netloc = fragments.netloc
        _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:
                # minimal triage context only: avoid shipping the stored
                # tracing entry (incl. recipient email) to telemetry
                self.logger.error(
                    "Continuous monitoring is already %s",
                    status,
                    extra={"domain": domain, "current_status": status},
                )
                raise XRayError(_("Continuous monitoring for {} is already {}".format(domain, status)))
        except KeyError:
            # minimal triage context only: avoid shipping the whole
            # cross-domain tracing map (every domain + recipient email)
            self.logger.error(
                "Continuous monitoring is not enabled",
                extra={
                    "domain": domain,
                    "tracing_entries_count": len(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())