1 files changed, 67 insertions, 0 deletions
diff --git a/cloudinit/config/grub_dpkg.py b/cloudinit/config/grub_dpkg.py
new file mode 100644
index 00000000..02f05ce3
--- /dev/null
+++ b/cloudinit/config/grub_dpkg.py
@@ -0,0 +1,67 @@
+# vi: ts=4 expandtab
+#
+#    Copyright (C) 2009-2010 Canonical Ltd.
+#    Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
+#
+#    Author: Scott Moser <scott.moser@canonical.com>
+#    Author: Juerg Haefliger <juerg.haefliger@hp.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 util
+
+distros = ['ubuntu', 'debian']
+
+
+def handle(_name, cfg, _cloud, log, _args):
+    idevs = None
+    idevs_empty = None
+
+    if "grub-dpkg" in cfg:
+        idevs = util.get_cfg_option_str(cfg["grub-dpkg"],
+            "grub-pc/install_devices", None)
+        idevs_empty = util.get_cfg_option_str(cfg["grub-dpkg"],
+            "grub-pc/install_devices_empty", None)
+
+    if ((os.path.exists("/dev/sda1") and not os.path.exists("/dev/sda")) or
+        (os.path.exists("/dev/xvda1") and not os.path.exists("/dev/xvda"))):
+        if idevs == None:
+            idevs = ""
+        if idevs_empty == None:
+            idevs_empty = "true"
+    else:
+        if idevs_empty == None:
+            idevs_empty = "false"
+        if idevs == None:
+            idevs = "/dev/sda"
+            for dev in ("/dev/sda", "/dev/vda", "/dev/sda1", "/dev/vda1"):
+                if os.path.exists(dev):
+                    idevs = dev
+                    break
+
+    # now idevs and idevs_empty are set to determined values
+    # or, those set by user
+
+    dconf_sel = (("grub-pc grub-pc/install_devices string %s\n"
+                 "grub-pc grub-pc/install_devices_empty boolean %s\n") %
+                 (idevs, idevs_empty))
+
+    log.debug("Setting grub debconf-set-selections with '%s','%s'" %
+        (idevs, idevs_empty))
+
+    try:
+        util.subp(['debconf-set-selections'], dconf_sel)
+    except:
+        util.logexc(log, "Failed to run debconf-set-selections for grub-dpkg")