# Set the attribute to unlink so vclone does the right thing wrt to
# conserving space by linking and not copying unified files.
-find "$__DEFAULT_VSERVERDIR/.vref/default" -type f -print0 | xargs -0 setattr --iunlink
+
+if [ -f /proc/virtual/info ] ; then
+ x=$[ 16#`awk '/^VCIKernel:/ { print $2 }' /proc/virtual/info` ];
+ y=$[ (x >> 9) & 1]
+ if test "$y" = 1 ; then
+ # COW support
+ find "$__DEFAULT_VSERVERDIR/.vref"/* -type f -print0 | xargs -0 setattr --iunlink
+ else
+ # no COW;
+ find "$__DEFAULT_VSERVERDIR/.vref"/* -type f -print0 | xargs -0 setattr --~iunlink
+ fi
+fi
+
# Build reference images for system slices
-for systemvserver in "$__DEFAULT_VSERVERDIR/.vstub/"*.cloned ; do
+# xxx if several instances of systemslices get installed, only one gets instanciated
+for systemvserver in "$__DEFAULT_VSERVERDIR/.vstub/"*/*.cloned ; do
+ # e.g. NAME=planetflow
NAME=$(basename $systemvserver .cloned)
+ DIR=$(dirname $systemvserver)
+ # e.g. SLICEFAMILY=planetlab-f8-i386
+ SLICEFAMILY=$(cat $systemvserver)
+ # deduce the actual name used in .vref by replacing the first part of slice-family
+ # (pldistro) with the slice name
+ # e.g. VREFNAME=planetflow-f8-i386
+ VREFNAME=$(echo $SLICEFAMILY | sed -e "s,^[^-]*-,$NAME-,")
# Copy base reference image
- if [ ! -d "$__DEFAULT_VSERVERDIR/.vref/$NAME" ] ; then
- echo -n $"Building VServer reference image for $NAME: " >&3 2>&4
+ if [ ! -d "$__DEFAULT_VSERVERDIR/.vref/$VREFNAME" ] ; then
+ echo -n $"Building VServer reference image for $NAME in $VREFNAME: " >&3 2>&4
# Build in temporary directory
mkdir -p "$__DEFAULT_VSERVERDIR/.vtmp"
mkdir -p "$__DEFAULT_VSERVERDIR/.vref"
# build the systemvserver from the one it was originally cloned from
- TYPE=$(cat $systemvserver)
- REF="$__DEFAULT_VSERVERDIR/.vref/$TYPE"
- "$_VCLONE" "$REF"/ "$TMP"/
- RETVAL=$?
+ REF="$__DEFAULT_VSERVERDIR/.vref/$SLICEFAMILY"
+ if [ -d "$REF" ] ; then
+ "$_VCLONE" "$REF"/ "$TMP"/
+ RETVAL=$?
+ else
+ RETVAL=1
+ fi
# merge the stub with the reference to get the system vserver
if [ $RETVAL -eq 0 ] ; then
- (cd "$__DEFAULT_VSERVERDIR/.vstub/$NAME"/ && find . | cpio -m -d -u -p "$TMP"/)
+ (cd "$DIR/$NAME"/ && find . | cpio -m -d -u -p "$TMP"/)
RETVAL=$?
fi
# Move it to its permanent location when complete
if [ $RETVAL -eq 0 ] ; then
- mv "$TMP" "$__DEFAULT_VSERVERDIR/.vref/$NAME"
+ mv "$TMP" "$__DEFAULT_VSERVERDIR/.vref/$VREFNAME"
success >&3 2>&4
else
+ rm -rf "$TMP"
failure >&3 2>&4
fi
echo >&3 2>&4
VROOTS="$__DEFAULT_VSERVERDIR/.vref/* $__DEFAULT_VSERVERDIR/.vcache/* $__DEFAULT_VSERVERDIR/${PLC_SLICE_PREFIX}_*"
# Copy configuration files from host to slices
-for file in /etc/hosts /etc/resolv.conf /etc/yum.conf /etc/planetlab/node_id \
+for file in /etc/hosts /etc/resolv.conf /etc/planetlab/node_id \
/etc/planetlab/plc_config* /etc/planetlab/php/* \
/etc/pki/rpm-gpg/* ; do
if [ -r $file ] ; then