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Direktori : /proc/thread-self/root/lib/python3/dist-packages/DistUpgrade/ |
Current File : //proc/thread-self/root/lib/python3/dist-packages/DistUpgrade/telemetry.py |
# -*- coding: utf-8; Mode: Python; indent-tabs-mode: nil; tab-width: 4 -*- # Copyright (C) 2018 Canonical Ltd. # # Functions useful for the final install.py script and for ubiquity # plugins to use # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA import logging import json import os import stat import subprocess def get(): """Return a singleton _Telemetry instance.""" if _Telemetry._telemetry is None: _Telemetry._telemetry = _Telemetry() return _Telemetry._telemetry class _Telemetry(): _telemetry = None def __init__(self): self._metrics = {} self._stages_hist = {} self._start_time = self._get_current_uptime() self._metrics["From"] = subprocess.Popen( ["lsb_release", "-r", "-s"], stdout=subprocess.PIPE, universal_newlines=True).communicate()[0].strip() self.add_stage('start') self._dest_path = '/var/log/upgrade/telemetry' try: with open('/var/log/installer/media-info') as f: self._metrics['InstallMedia'] = f.readline() except FileNotFoundError: pass def _get_current_uptime(self): """Get current uptime info. None if we couldn't fetch it.""" uptime = None try: with open('/proc/uptime') as f: uptime = float(f.read().split()[0]) except (FileNotFoundError, OSError, ValueError) as e: logging.warning("Exception while fetching current uptime: " + str(e)) return uptime def add_stage(self, stage_name): """Record installer stage with current time""" now = self._get_current_uptime() if self._start_time is None or now is None: return self._stages_hist[int(now - self._start_time)] = stage_name def set_updater_type(self, updater_type): """Record updater type""" self._metrics['Type'] = updater_type def set_using_third_party_sources(self, using): """Record if the user had third party sources""" self._metrics['ThirdPartySources'] = using def done(self): """Close telemetry collection Save to destination file""" self._metrics['Stages'] = self._stages_hist target_dir = os.path.dirname(self._dest_path) try: if not os.path.exists(target_dir): os.makedirs(target_dir) with open(self._dest_path, 'w') as f: json.dump(self._metrics, f) os.chmod(self._dest_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH) except OSError as e: logging.warning("Exception while storing telemetry data: " + str(e)) # vim:ai:et:sts=4:tw=80:sw=4: