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calamares-settings-ubuntu/common/modules/automirror/main.py

162 lines
6.4 KiB

#!/usr/bin/env python3
# Copyright (C) 2018 Simon Quigley <tsimonq2@ubuntu.com>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
import json
import subprocess
import libcalamares
from time import strftime
import urllib.request
from urllib.error import HTTPError
from urllib.error import URLError
from socket import timeout
from lsb_release import get_distro_information
global sources
sources = """# Automatically generated by Calamares on DATE.
# Lines starting with "deb" are mandatory, while lines starting with "deb-src"
# are for more detailed package information.
## See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
## newer versions of DISTRIBUTION.
deb URL/ubuntu/ CODENAME main restricted
# deb-src URL/ubuntu/ CODENAME main restricted
## Major bug fix updates produced after the final release of DISTRIBUTION.
## Have you noticed a regression? Please report it!
## https://wiki.ubuntu.com/StableReleaseUpdates#Regressions
deb URL/ubuntu/ CODENAME-updates main restricted
# deb-src URL/ubuntu/ CODENAME-updates main restricted
## Software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu team.
## Also, please note that software in Universe WILL NOT receive any review or
## updates from the Ubuntu security team directly. Updates in this repository
## are provided by volunteers, but most come from Debian.
deb URL/ubuntu/ CODENAME universe
# deb-src URL/ubuntu/ CODENAME universe
deb URL/ubuntu/ CODENAME-updates universe
# deb-src URL/ubuntu/ CODENAME-updates universe
## Software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu team,
## and may not be under a free licence. Please satisfy yourself as your rights
## to use the software. Also, please note that software in Multiverse WILL NOT
## receive any review or updates from the Ubuntu security team directly.
deb URL/ubuntu/ CODENAME multiverse
# deb-src URL/ubuntu/ CODENAME multiverse
deb URL/ubuntu/ CODENAME-updates multiverse
# deb-src URL/ubuntu/ CODENAME-updates multiverse
## Software from this repository contains tested security updates from the
## Ubuntu security team.
deb http://security.ubuntu.com/ubuntu CODENAME-security main restricted
# deb-src http://security.ubuntu.com/ubuntu CODENAME-security main restricted
deb http://security.ubuntu.com/ubuntu CODENAME-security universe
# deb-src http://security.ubuntu.com/ubuntu CODENAME-security universe
deb http://security.ubuntu.com/ubuntu CODENAME-security multiverse
# deb-src http://security.ubuntu.com/ubuntu CODENAME-security multiverse
## Software from this repository may not have been tested as extensively as
## software contained in the main release, although it includes newer versions
## of some applications which may provide useful features. Also, please note
## that software in Backports WILL NOT receive any review or updates from the
## Ubuntu security team.
deb URL/ubuntu/ CODENAME-backports main restricted universe multiverse
# deb-src URL/ubuntu/ CODENAME-backports main restricted universe multiverse
## Uncomment the following two lines to add software from Canonical's
## "partner" repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu CODENAME partner
# deb-src http://archive.canonical.com/ubuntu CODENAME partner"""
def getcountry():
# This URI hardcoded for now, but should eventually be put into the config
geoipurl = "https://ipapi.co/json"
try:
with urllib.request.urlopen(geoipurl, timeout=75) as url:
localedata = json.loads(url.read().decode())
except HTTPError as error:
logging.error("Data of %s not retrieved because %s - URL: %s",
name, error, url)
except URLError as error:
if isinstance(error.reason, socket.timeout):
logging.error("Socket timed out - URL %s", url)
else:
logging.error("Non-timeout protocol error.")
else:
print("Country successfully determined.")
return localedata["country"]
def getmirror(country):
mirrorlisturl = libcalamares.job.configuration["mirrorList"]
try:
with urllib.request.urlopen(mirrorlisturl, timeout=75) as url:
mirrors = json.loads(url.read().decode())
except HTTPError as error:
logging.error("Data of %s not retrieved because %s - URL: %s",
name, error, url)
except URLError as error:
if isinstance(error.reason, socket.timeout):
logging.error("Socket timed out - URL %s", url)
else:
logging.error("Non-timeout protocol error.")
else:
print("Mirror successfully determined.")
if country in mirrors.keys():
return mirrors[country] + "."
else:
return ""
def getcodename():
return get_distro_information()["CODENAME"]
def changesources(prefix):
root = libcalamares.globalstorage.value("rootMountPoint")
url = prefix + libcalamares.job.configuration["baseUrl"]
if not url.startswith("http://") and not url.startswith("https://"):
url = "http://" + url
if libcalamares.job.configuration["backend"] == "apt":
distro = libcalamares.job.configuration["distribution"]
if "ubuntu" in distro.lower():
global sources
sources = sources.replace("DISTRIBUTION", distro)
sources = sources.replace("CODENAME", getcodename())
sources = sources.replace("URL", url)
sources = sources.replace("DATE", strftime("%Y-%m-%d"))
with open(root + "/etc/apt/sources.list", "r+") as sourcesfile:
sourcesfile.seek(0)
sourcesfile.write(sources)
sourcesfile.truncate()
def run():
"""Autoselect a mirror from a list."""
if libcalamares.globalstorage.value("hasInternet"):
country = getcountry()
prefix = getmirror(country)
else:
prefix = ""
changesources(prefix)