68 lines
1.8 KiB
Python
Executable File
68 lines
1.8 KiB
Python
Executable File
#!/usr/bin/python
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#
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# Fetch login credentials for EC2
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# Copyright (C) 2008-2009 Canonical Ltd.
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#
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# Author: Soren Hansen <soren@canonical.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 3, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import os
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import pwd
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import sys
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import ec2init
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def setup_user_keys(keys, user, key_prefix):
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saved_umask = os.umask(077)
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pwent = pwd.getpwnam(user)
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ssh_dir = '%s/.ssh' % pwent.pw_dir
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if not os.path.exists(ssh_dir):
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os.mkdir(ssh_dir)
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os.chown(ssh_dir, pwent.pw_uid, pwent.pw_gid)
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authorized_keys = '%s/.ssh/authorized_keys' % pwent.pw_dir
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fp = open(authorized_keys, 'a')
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fp.write(''.join(['%s%s\n' % (key_prefix, key) for key in keys]))
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fp.close()
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os.chown(authorized_keys, pwent.pw_uid, pwent.pw_gid)
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os.umask(saved_umask)
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def main():
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ec2 = ec2init.EC2Init()
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user = ec2.get_cfg_option_str('user')
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disable_root = ec2.get_cfg_option_bool('disable_root', True)
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try:
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keys = ec2.get_ssh_keys()
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except Exception, e:
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sys.exit(1)
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if user:
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setup_user_keys(keys, user, '')
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if disable_root:
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key_prefix = 'command="echo \'Please login as the ubuntu user rather than root user.\';echo;sleep 10" '
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else:
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key_prefix = ''
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setup_user_keys(keys, 'root', key_prefix)
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if __name__ == '__main__':
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main()
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