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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 urllib
import os
api_ver = '2008-02-01'
metadata = None
def get_ssh_keys():
base_url = 'http://169.254.169.254/%s/meta-data' % api_ver
data = urllib.urlopen('%s/public-keys/' % base_url).read()
keyids = [line.split('=')[0] for line in data.split('\n')]
return [urllib.urlopen('%s/public-keys/%d/openssh-key' % (base_url, int(keyid))).read().rstrip() for keyid in keyids]
keys = get_ssh_keys()
os.umask(077)
if not os.path.exists('/root/.ssh'):
os.mkdir('/root/.ssh')
fp = open('/root/.ssh/authorized_keys', 'a')
fp.write(''.join(['%s\n' % key for key in keys]))
fp.close()
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