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#!/usr/bin/python
#
# Fetch the availabity zone and create the sources.list
# Copyright (C) 2008-2009 Canonical Ltd.
#
# Authors: Chuck Short <chuck.short@canonical.com>
# Soren Hansen <soren@canonical.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# 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 subprocess
from Cheetah.Template import Template
import ec2init
def main():
ec2 = ec2init.EC2Init()
availability_zone = ec2.get_availability_zone()
try:
location = ec2.get_location_from_availability_zone(availability_zone)
locale = ec2.location_locale_map[location]
except Exception, e:
locale = "en_US.UTF-8"
# get_mirror_from_availability_zone returns default on no match
mirror = ec2.get_mirror_from_availability_zone(availability_zone)
apply_locale(locale)
generate_sources_list(mirror)
def render_to_file(template, outfile, searchList):
t = Template(file='/etc/ec2-init/templates/%s.tmpl' % template, searchList=[searchList])
f = open(outfile, 'w')
f.write(t.respond())
f.close()
def apply_locale(locale):
subprocess.Popen(['locale-gen', locale]).communicate()
subprocess.Popen(['update-locale', locale]).communicate()
render_to_file('default-locale', '/etc/default/locale', { 'locale' : locale })
def generate_sources_list(mirror):
stdout, stderr = subprocess.Popen(['lsb_release', '-cs'], stdout=subprocess.PIPE).communicate()
codename = stdout.strip()
render_to_file('sources.list', '/etc/apt/sources.list', { 'mirror' : mirror, 'codename' : codename })
if __name__ == '__main__':
main()
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