CasperSecurity
# -*- 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: