Review adjustments.

1 files changed, 36 insertions, 0 deletions

diff --git a/cloudinit/config/cc_seed_random.py b/cloudinit/config/cc_seed_random.py
new file mode 100644
index 00000000..5d9890d5
--- /dev/null
+++ b/cloudinit/config/cc_seed_random.py
@@ -0,0 +1,36 @@
+# vi: ts=4 expandtab
+#
+#    Copyright (C) 2013 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.settings import PER_INSTANCE
+
+frequency = PER_INSTANCE
+
+
+def handle(name, cfg, cloud, log, _args):
+    random_seed = None
+    # Prefer metadata over cfg for random_seed
+    for src in (cloud.datasource.metadata, cfg):
+        if not src:
+            continue
+        tmp_random_seed = src.get('random_seed')
+        if tmp_random_seed and isinstance(tmp_random_seed, (str, basestring)):
+            random_seed = tmp_random_seed
+            break
+    if random_seed:
+        log.debug("%s: setting random seed", name)
+        cloud.distro.set_random_seed(random_seed)