Allow specification of --mac address

[code/vinst.git] / vinst

diff --git a/vinst b/vinst
index 9a13b359f7ed2650f40226850a659353fd0a53d1..bf0a14d99a0ac1f22282dba22008a6fbbb178b40 100755 (executable)
--- a/vinst
+++ b/vinst
@@ -78,6 +78,14 @@ while [ -n "$1" ]; do
       fi
       ARCH="$1"
       ;;
+    (-m|--mac)
+      shift
+      if [ -z "$1" ]; then
+        echo >&2 'E: --mac/-m needs mac address argument'
+        exit 1
+      fi
+      MAC="$1"
+      ;;
     (--debug)
       DEBUG=1
       set -vx
@@ -132,6 +140,11 @@ if [ -z "$ARCH" ]; then
   ARCH=$(dpkg --print-architecture)
 fi
 
+if [ -z "$MAC" ]; then
+  bytes=$(dd status=none if=/dev/urandom bs=3 count=1 | hexdump -v -e '/1 ":%02X"')
+  MAC=52:54:00$bytes
+fi
+
 cat >&2 <<_eof
   hostname: $HOSTNAME
       arch: $ARCH
@@ -141,6 +154,7 @@ cat >&2 <<_eof
    console: $CONSOLE
    restart: $RESTART
 net bridge: $BRIDGE
+macaddress: $MAC
 _eof
 if [ -n "$IPADDRESS" ]; then
   cat >&2 <<_eof
@@ -172,7 +186,7 @@ virt-install --connect=$QEMU_URI \
   -n $HOSTNAME \
   -r $RAM \
   --disk vol=$STORAGE_POOL/virt-$HOSTNAME \
-  -w bridge=$BRIDGE \
+  --network bridge=$BRIDGE,mac=$MAC \
   --graphics=vnc \
   --serial=pty \
   --watchdog i6300esb,action=reset \