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-rw-r--r--cloudinit/CloudConfig/cc_grub_dpkg.py77
1 files changed, 29 insertions, 48 deletions
diff --git a/cloudinit/CloudConfig/cc_grub_dpkg.py b/cloudinit/CloudConfig/cc_grub_dpkg.py
index 72538c79..dafb43cf 100644
--- a/cloudinit/CloudConfig/cc_grub_dpkg.py
+++ b/cloudinit/CloudConfig/cc_grub_dpkg.py
@@ -18,60 +18,41 @@
import cloudinit.util as util
import subprocess
import traceback
-
-shcmd="""
-unset idevs idevs_empty
-if [ -n "${1}" ]; then
- idevs=${1}
- [ "$1" = "None" ] && idevs=""
-fi
-if [ -n "${2}" ]; then
- idevs_empty=${2}
- [ "$2" = "None" ] && idevs_empty=""
-fi
-
-f_idevs=""
-f_idevs_empty=""
-if [ -b /dev/sda1 -a ! -e /dev/sda ]; then
- f_idevs=""
- f_idevs_empty=true
-else
- f_idevs=/dev/sda
- for dev in /dev/sda /dev/vda /dev/sda1 /dev/vda1; do
- [ -b "${dev}" ] && f_idevs=${dev} && break;
- done
- f_idevs_empty=false
-fi
-
-idevs=${idevs-${f_idevs}}
-idevs_empty=${idevs_empty-${f_idevs_empty}}
-
-printf "%s\t%s\t%s\t%s\n%s\t%s\t%s\t%s\n" \
- grub-pc grub-pc/install_devices string "${idevs}" \
- grub-pc grub-pc/install_devices_empty boolean "${idevs_empty}" |
- debconf-set-selections
-"""
+import os
def handle(name,cfg,cloud,log,args):
- idevs=""
- idevs_empty=""
+ idevs=None
+ idevs_empty=None
if "grub-dpkg" in cfg:
idevs=util.get_cfg_option_str(cfg["grub-dpkg"],
- "grub-pc/install_devices","")
+ "grub-pc/install_devices",None)
idevs_empty=util.get_cfg_option_str(cfg["grub-dpkg"],
- "grub-pc/install_devices_empty","")
-
- cmd = [ "/bin/sh", "-c", shcmd, 'grub-dpkg', idevs, idevs_empty ]
-
- log.debug("invoking grub-dpkg with '%s','%s'" % (idevs,idevs_empty))
+ "grub-pc/install_devices_empty",None)
+
+ if os.path.exists("/dev/sda1") and not os.path.exists("/dev/sda"):
+ 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" % idevs + \
+ "grub-pc grub-pc/install_devices_empty boolean %s\n" % idevs_empty
+ log.debug("setting grub debconf-set-selections with '%s','%s'" %
+ (idevs,idevs_empty))
try:
- subprocess.check_call(cmd)
- except subprocess.CalledProcessError as e:
- log.debug(traceback.format_exc(e))
- raise Exception("Cmd returned %s: %s" % ( e.returncode, cmd))
- except OSError as e:
- log.debug(traceback.format_exc(e))
- raise Exception("Cmd failed to execute: %s" % ( cmd ))
+ util.subp(('debconf-set-selections'), dconf_sel)
+ except:
+ log.error("Failed to run debconf-set-selections for grub-dpkg")
+ log.debug(traceback.format_exc())