X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=vserver-reference.init;h=fd00823b07473feb12c44ff5b0714d3dbc9d70cf;hb=004564236085c7fd451e8fb68092a604c2a4bcc7;hp=f099cb0b23077e2fd65b6c014364566aef79fef2;hpb=4b4c76464a1bfaba046083a7a2c9b22d6d74fa5b;p=sliceimage.git diff --git a/vserver-reference.init b/vserver-reference.init index f099cb0..fd00823 100755 --- a/vserver-reference.init +++ b/vserver-reference.init @@ -2,14 +2,14 @@ # # vserver-reference Updates VServer reference # -# Load before pl_conf, pl_nm, vcached, and vservers +# Load before nm, vcached, and vservers # chkconfig: 3 60 80 # description: Builds VServer reference image # # Mark Huang # Copyright (C) 2004 The Trustees of Princeton University # -# $Id: vserver-reference.init,v 1.17 2005/09/02 19:46:37 mlhuang Exp $ +# $Id$ # case "$1" in @@ -28,56 +28,156 @@ esac . /etc/init.d/functions # VServer definitions -. /usr/lib/util-vserver/util-vserver-vars +init_paths="/usr/lib64/util-vserver/util-vserver-vars /usr/lib/util-vserver/util-vserver-vars" +for init_path in $init_paths ; do + [ -f $init_path ] && { source $init_path ; break; } +done +[ "$PACKAGE_NAME" = "util-vserver" ] || echo "WARNING: could not find util-vserver init file among $init_paths" # Save stdout and stderr exec 3>&1 exec 4>&2 # Redirect stdout and stderr to a log file +exec >>/var/log/vserver-reference.log exec 2>&1 -exec &>/var/log/vserver-reference.log -echo -n $"Updating VServer reference: " >&3 2>&4 +echo "--- STARTING $(date) ---" >&3 2>&4 + +# Parse PLC configuration +if [ -r /etc/planetlab/plc_config ] ; then + . /etc/planetlab/plc_config +else + PLC_NAME="PlanetLab" + PLC_SLICE_PREFIX="pl" + PLC_BOOT_HOST="boot.planet-lab.org" +fi -VROOT=$__DEFAULT_VSERVERDIR/vserver-reference +shopt -s nullglob # Make sure the barrier bit is set -chmod 0000 /vservers -setattr --barrier /vservers +chmod 0000 "$__DEFAULT_VSERVERDIR" +setattr --barrier "$__DEFAULT_VSERVERDIR" + +# Set the attribute to unlink so vclone does the right thing wrt to +# conserving space by linking and not copying unified files. + +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 "$__DEFAULT_VSERVERDIR/.vref"/* -type f -print0 | xargs -0 setattr --~iunlink + fi +fi + + +# Build reference images for system slices +# xxx if several instances of systemslices get installed, only one gets instanciated +for systemvserver in "$__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 "$__DEFAULT_VSERVERDIR/.vref/$VREFNAME" ] ; then + echo -n $"Building VServer reference image for $NAME in $VREFNAME: " >&3 2>&4 + + # Build in temporary directory + mkdir -p "$__DEFAULT_VSERVERDIR/.vtmp" + TMP=$(mktemp -d "$__DEFAULT_VSERVERDIR/.vtmp/$NAME.XXXXXX") + mkdir -p "$__DEFAULT_VSERVERDIR/.vref" + + # build the systemvserver from the one it was originally cloned from + 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 [ $RETVAL -eq 0 ] ; then + (cd "$DIR/$NAME"/ && find . | cpio -m -d -u -p "$TMP"/) + RETVAL=$? + fi -# Copy configuration files from host to reference image -for file in /etc/hosts /etc/resolv.conf /etc/yum.conf ; do + # Clean RPM state + rm -f "$TMP/var/lib/rpm/__db"* + + # Move it to its permanent location when complete + if [ $RETVAL -eq 0 ] ; then + mv "$TMP" "$__DEFAULT_VSERVERDIR/.vref/$VREFNAME" + success >&3 2>&4 + else + rm -rf "$TMP" + failure >&3 2>&4 + fi + echo >&3 2>&4 + fi +done + +echo -n $"Updating VServer reference images: " >&3 2>&4 + +VROOTS="$__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/planetlab/node_id \ + /etc/planetlab/plc_config* /etc/planetlab/php/* \ + /etc/pki/rpm-gpg/* ; do if [ -r $file ] ; then - echo $file | cpio -p -d -u $VROOT 2>/dev/null + for vroot in $VROOTS ; do + install -D -m 644 $file $vroot/$file + done fi done -# Install and parse Management Authority (MA) configuration -if [ -r /etc/planetlab/primary_ma ] ; then - . /etc/planetlab/primary_ma - install -D -m 644 /etc/planetlab/primary_ma $VROOT/etc/planetlab/primary_ma -elif [ -d /mnt/cdrom/bootme/cacert ] ; then - MA_NAME="PlanetLab Central" - MA_BOOT_SERVER=$(head -1 /mnt/cdrom/bootme/BOOTSERVER) - MA_BOOT_SERVER_CACERT=/mnt/cdrom/bootme/cacert/$MA_BOOT_SERVER/cacert.pem - mkdir -p $VROOT/etc/planetlab - cat > $VROOT/etc/planetlab/primary_ma < $vroot/usr/boot/boot_server - # Also install in /mnt/cdrom/bootme for backward compatibility - install -D -m 644 $MA_BOOT_SERVER_CACERT $VROOT/mnt/cdrom/bootme/cacert/$MA_BOOT_SERVER/cacert.pem - echo $MA_BOOT_SERVER > $VROOT/mnt/cdrom/bootme/BOOTSERVER -fi + # Also install in /mnt/cdrom/bootme for backward compatibility + install -D -m 644 $cacert $vroot/mnt/cdrom/bootme/cacert/$PLC_BOOT_HOST/cacert.pem + echo $PLC_BOOT_HOST > $vroot/mnt/cdrom/bootme/BOOTSERVER + done + break + fi +done success >&3 2>&4 +echo "--- DONE $(date) ---" >&3 2>&4 echo >&3 2>&4 + exit 0