cloud-early-config: add device file existence check

iHiroakiKawai · iHiroakiKawai · commit 5c4578ef26ad · 2013-06-24T11:24:42.000+09:00
If device file was not found, then it should be logged.
diff --git a/patches/systemvm/debian/config/etc/init.d/cloud-early-config b/patches/systemvm/debian/config/etc/init.d/cloud-early-config
@@ -112,6 +112,9 @@ get_boot_params() {
           sed -i "s/%/ /g" /var/cache/cloud/cmdline
           ;;
      kvm)
+          if [ ! -e /dev/vport0p1 ]; then
+            log_it "/dev/vport0p1 not loaded, perhaps guest kernel is too old." && exit 2
+          fi
           while read line; do
             if [[ $line == cmdline:* ]]; then
               cmd=${line//cmdline:/}
@@ -133,7 +136,7 @@ get_boot_params() {
           mount -t ntfs /dev/sdb1 $EXTRA_MOUNT
           cp -f $EXTRA_MOUNT/cmdline /var/cache/cloud/cmdline
           umount $EXTRA_MOUNT
-          ;;          
+          ;;
   esac
 
 }
