72 lines
2.6 KiB
Python
72 lines
2.6 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 2012 Canonical Ltd.
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# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
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# Copyright (C) 2012 Yahoo! Inc.
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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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# Author: Joshua Harlow <harlowja@yahoo-inc.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 import handlers
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from cloudinit import log as logging
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from cloudinit import util
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from cloudinit.settings import (PER_ALWAYS)
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LOG = logging.getLogger(__name__)
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BOOTHOOK_PREFIX = "#cloud-boothook"
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class BootHookPartHandler(handlers.Handler):
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def __init__(self, paths, datasource, **_kwargs):
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handlers.Handler.__init__(self, PER_ALWAYS)
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self.boothook_dir = paths.get_ipath("boothooks")
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self.instance_id = None
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if datasource:
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self.instance_id = datasource.get_instance_id()
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def list_types(self):
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return [
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handlers.type_from_starts_with(BOOTHOOK_PREFIX),
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]
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def _write_part(self, payload, filename):
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filename = util.clean_filename(filename)
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filepath = os.path.join(self.boothook_dir, filename)
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contents = util.strip_prefix_suffix(util.dos2unix(payload),
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prefix=BOOTHOOK_PREFIX)
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util.write_file(filepath, contents.lstrip(), 0700)
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return filepath
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def handle_part(self, _data, ctype, filename, # pylint: disable=W0221
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payload, frequency): # pylint: disable=W0613
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if ctype in handlers.CONTENT_SIGNALS:
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return
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filepath = self._write_part(payload, filename)
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try:
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env = os.environ.copy()
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if self.instance_id is not None:
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env['INSTANCE_ID'] = str(self.instance_id)
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util.subp([filepath], env=env)
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except util.ProcessExecutionError:
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util.logexc(LOG, "Boothooks script %s execution error", filepath)
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except Exception:
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util.logexc(LOG, "Boothooks unknown error when running %s",
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filepath)
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