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-rw-r--r--cloudinit/handlers/cloud_config.py56
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diff --git a/cloudinit/handlers/cloud_config.py b/cloudinit/handlers/cloud_config.py
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+# vi: ts=4 expandtab
+#
+# Copyright (C) 2012 Canonical Ltd.
+# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
+# Copyright (C) 2012 Yahoo! Inc.
+#
+# Author: Scott Moser <scott.moser@canonical.com>
+# Author: Juerg Haefliger <juerg.haefliger@hp.com>
+# Author: Joshua Harlow <harlowja@yahoo-inc.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3, as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from cloudinit import log as logging
+from cloudinit import user_data as ud
+from cloudinit import util
+
+from cloudinit.settings import (PER_ALWAYS)
+
+LOG = logging.getLogger(__name__)
+
+
+class CloudConfigPartHandler(ud.PartHandler):
+ def __init__(self, cloud_fn):
+ ud.PartHandler.__init__(self, PER_ALWAYS)
+ self.cloud_buf = []
+ self.cloud_fn = cloud_fn
+
+ def list_types(self):
+ return [
+ ud.type_from_starts_with("#cloud-config"),
+ ]
+
+ def _handle_part(self, _data, ctype, filename, payload, _frequency):
+ if ctype == ud.CONTENT_START:
+ self.cloud_buf = []
+ return
+
+ if ctype == ud.CONTENT_END:
+ payload = "\n".join(self.cloud_buf)
+ util.write_file(self.cloud_fn, payload, 0600)
+ self.cloud_buf = []
+ return
+
+ filename = util.clean_filename(filename)
+ entry = "\n".join(["#%s" % (filename), str(payload)])
+ self.cloud_buf.append(entry)