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#!/usr/bin/python
#
# Fetch login credentials for EC2
# Copyright 2008 Canonical Ltd.
#
# Author: 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 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 os
import pwd
import ec2init
def setup_user_keys(keys, user, key_prefix):
pwent = pwd.getpwnam(user)
os.umask(077)
if not os.path.exists('%s/.ssh' % pwent.pw_dir):
os.mkdir('%s/.ssh' % pwent.pw_dir)
authorized_keys = '%s/.ssh/authorized_keys' % pwent.pw_dir
fp = open(authorized_keys, 'a')
fp.write(''.join(['%s%s\n' % (key_prefix, key) for key in keys]))
fp.close()
os.chown(authorized_keys, pwent.pw_uid, pwent.pw_gid)
def main():
ec2 = ec2init.EC2Init()
user = ec2.get_cfg_option_str('user')
disable_root = ec2.get_cfg_option_bool('disable_root')
keys = ec2.get_ssh_keys()
if user:
setup_user_keys(keys, user, '')
if disable_root:
key_prefix = 'command="echo \'Please login as the ubuntu user rather than root user.\';echo;sleep 10" '
else:
key_prefix = ''
setup_root_user(keys, 'root', key_prefix)
if __name__ == '__main__':
main()
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