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-rw-r--r--cloudinit/config/grub_dpkg.py67
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")