63 lines
2.1 KiB
Python
63 lines
2.1 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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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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class CloudConfigPartHandler(handlers.Handler):
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def __init__(self, paths, **_kwargs):
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handlers.Handler.__init__(self, PER_ALWAYS)
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self.cloud_buf = []
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self.cloud_fn = paths.get_ipath("cloud_config")
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def list_types(self):
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return [
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handlers.type_from_starts_with("#cloud-config"),
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]
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def _write_cloud_config(self, buf):
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if not self.cloud_fn:
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return
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lines = [str(b) for b in buf]
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payload = "\n".join(lines)
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util.write_file(self.cloud_fn, payload, 0600)
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def _handle_part(self, _data, ctype, filename, payload, _frequency):
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if ctype == handlers.CONTENT_START:
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self.cloud_buf = []
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return
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if ctype == handlers.CONTENT_END:
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self._write_cloud_config(self.cloud_buf)
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self.cloud_buf = []
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return
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filename = util.clean_filename(filename)
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if not filename:
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filename = '??'
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self.cloud_buf.extend(["#%s" % (filename), str(payload)])
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