54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
# 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 = '/usr/lib/cloud-init/write-ssh-key-fingerprints'
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def handle(name, cfg, _cloud, log, _args):
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if not os.path.exists(HELPER_TOOL):
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log.warn(("Unable to activate module %s,"
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" helper tool not found at %s"), name, HELPER_TOOL)
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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_TOOL]
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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:
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log.warn("Writing keys to the system console failed!")
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raise
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