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Viewing changes to cloudinit/config/cc_keys_to_console.py

  • Committer: Scott Moser
  • Date: 2016-08-10 15:06:15 UTC
  • Revision ID: smoser@ubuntu.com-20160810150615-ma2fv107w3suy1ma
README: Mention move of revision control to git.

cloud-init development has moved its revision control to git.
It is available at 
  https://code.launchpad.net/cloud-init

Clone with 
  git clone https://git.launchpad.net/cloud-init
or
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For more information see
  https://git.launchpad.net/cloud-init/tree/HACKING.rst

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cloudinit/config/cc_keys_to_console.py
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# vi: ts=4 expandtab
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#
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#    Copyright (C) 2011 Canonical Ltd.
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#    Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
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#
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#    Author: Scott Moser <scott.moser@canonical.com>
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#    Author: Juerg Haefliger <juerg.haefliger@hp.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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import os
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from cloudinit.settings import PER_INSTANCE
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from cloudinit import util
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frequency = PER_INSTANCE
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# This is a tool that cloud init provides
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HELPER_TOOL_TPL = '%s/cloud-init/write-ssh-key-fingerprints'
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def _get_helper_tool_path(distro):
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    try:
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        base_lib = distro.usr_lib_exec
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    except AttributeError:
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        base_lib = '/usr/lib'
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    return HELPER_TOOL_TPL % base_lib
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def handle(name, cfg, cloud, log, _args):
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    helper_path = _get_helper_tool_path(cloud.distro)
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    if not os.path.exists(helper_path):
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        log.warn(("Unable to activate module %s,"
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                  " helper tool not found at %s"), name, helper_path)
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        return
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    fp_blacklist = util.get_cfg_option_list(cfg,
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                                            "ssh_fp_console_blacklist", [])
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    key_blacklist = util.get_cfg_option_list(cfg,
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                                             "ssh_key_console_blacklist",
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                                             ["ssh-dss"])
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    try:
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        cmd = [helper_path]
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        cmd.append(','.join(fp_blacklist))
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        cmd.append(','.join(key_blacklist))
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        (stdout, _stderr) = util.subp(cmd)
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        util.multi_log("%s\n" % (stdout.strip()),
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                       stderr=False, console=True)
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    except Exception:
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        log.warn("Writing keys to the system console failed!")
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        raise