File datasourceLocalDisk.patch of Package cloud-init
--- /dev/null
+++ cloudinit/sources/DataSourceLocalDisk.py
@@ -0,0 +1,107 @@
+# vi: ts=4 expandtab
+#
+# Copyright (C) 2016 SUSE Linux GmbH
+#
+# Author: Thorsten Kukuk <kukuk@suse.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/>.
+
+import os
+
+from cloudinit import log as logging
+from cloudinit import sources
+from cloudinit import util
+
+LOG = logging.getLogger(__name__)
+
+DEFAULT_IID = "iid-localdisk"
+
+
+class DataSourceLocalDisk(sources.DataSource):
+ def __init__(self, sys_cfg, distro, paths):
+ sources.DataSource.__init__(self, sys_cfg, distro, paths)
+ self.seed = None
+ self.seed_dir = os.path.join(paths.seed_dir, 'localdisk')
+
+ def __str__(self):
+ root = sources.DataSource.__str__(self)
+ return "%s [seed=%s][dsmode=%s]" % (root, self.seed, self.dsmode)
+
+ def get_data(self):
+ if not os.path.isdir('/cloud-init-config'):
+ return False
+
+ defaults = {"instance-id": DEFAULT_IID}
+
+ found = []
+ mydata = {'meta-data': {}, 'user-data': "", 'vendor-data': ""}
+
+ # Check to see if the seed dir has data.
+ try:
+ seeded = util.pathprefix2dict(
+ self.seed_dir, ['user-data', 'meta-data'], ['vendor-data']
+ )
+ found.append(self.seed_dir)
+ mydata = _merge_new_seed(mydata, seeded)
+ except ValueError:
+ pass
+
+ try:
+ seeded = util.pathprefix2dict(
+ '/cloud-init-config', ['user-data', 'meta-data'],
+ ['vendor-data']
+ )
+ found.append('/cloud-init-config')
+ mydata = _merge_new_seed(mydata, seeded)
+ except ValueError:
+ return False
+
+ # Merge in the defaults
+ mydata['meta-data'] = util.mergemanydict([mydata['meta-data'],
+ defaults])
+
+ self.seed = ",".join(found)
+ self.metadata = mydata['meta-data']
+ self.userdata_raw = mydata['user-data']
+ self.vendordata_raw = mydata['vendor-data']
+ return True
+
+ def check_instance_id(self, sys_cfg):
+ # quickly (local check only) if self.instance_id is still valid
+ return sources.instance_id_matches_system_uuid(self.get_instance_id())
+
+
+def _merge_new_seed(cur, seeded):
+ ret = cur.copy()
+
+ newmd = seeded.get('meta-data', {})
+ if not isinstance(seeded['meta-data'], dict):
+ newmd = util.load_yaml(seeded['meta-data'])
+ ret['meta-data'] = util.mergemanydict([cur['meta-data'], newmd])
+
+ if 'user-data' in seeded:
+ ret['user-data'] = seeded['user-data']
+ if 'vendor-data' in seeded:
+ ret['vendor-data'] = seeded['vendor-data']
+ return ret
+
+
+# Used to match classes to dependencies
+datasources = [
+ (DataSourceLocalDisk, (sources.DEP_FILESYSTEM, )),
+]
+
+
+# Return a list of data sources that match this set of dependencies
+def get_datasource_list(depends):
+ return sources.list_from_depends(depends, datasources)