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-rw-r--r--cloudinit/sources/DataSourceNone.py59
-rw-r--r--cloudinit/sources/__init__.py4
2 files changed, 63 insertions, 0 deletions
diff --git a/cloudinit/sources/DataSourceNone.py b/cloudinit/sources/DataSourceNone.py
new file mode 100644
index 00000000..e53eb280
--- /dev/null
+++ b/cloudinit/sources/DataSourceNone.py
@@ -0,0 +1,59 @@
+# vi: ts=4 expandtab
+#
+# Copyright (C) 2012 Yahoo! Inc.
+#
+# 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 sources
+from cloudinit import util
+
+LOG = logging.getLogger(__name__)
+
+NONE_IID = 'iid-datasource-none'
+
+
+class DataSourceNone(sources.DataSource):
+ def __init__(self, sys_cfg, distro, paths, ud_proc=None):
+ sources.DataSource.__init__(self, sys_cfg, distro, paths, ud_proc)
+ self.userdata = {}
+ self.metadata = {}
+ self.userdata_raw = ''
+
+ def get_data(self):
+ return True
+
+ def get_instance_id(self):
+ return NONE_IID
+
+ def __str__(self):
+ return util.obj_name(self)
+
+ @property
+ def is_disconnected(self):
+ return True
+
+
+# Used to match classes to dependencies (this will always match)
+datasources = [
+ (DataSourceNone, (sources.DEP_FILESYSTEM, sources.DEP_NETWORK)),
+ (DataSourceNone, (sources.DEP_FILESYSTEM,)),
+ (DataSourceNone, []),
+]
+
+
+# Return a list of data sources that match this set of dependencies
+def get_datasource_list(depends):
+ return sources.list_from_depends(depends, datasources)
diff --git a/cloudinit/sources/__init__.py b/cloudinit/sources/__init__.py
index b25724a5..ca9f58e5 100644
--- a/cloudinit/sources/__init__.py
+++ b/cloudinit/sources/__init__.py
@@ -65,6 +65,10 @@ class DataSource(object):
self.userdata = self.ud_proc.process(raw_data)
return self.userdata
+ @property
+ def is_disconnected(self):
+ return False
+
def get_userdata_raw(self):
return self.userdata_raw