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