X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=vserver-reference.init;h=410e807018a6581fb52265fd39de2d15625c97b2;hb=b047c1ff7a02bca913095ec408dce663b810d9c2;hp=21242ab67cdf333ee7b93ab14d8cbdae2cd793f0;hpb=75450c02a31adf4afaf1c62833ab0d7ac97cff8b;p=vserver-reference.git diff --git a/vserver-reference.init b/vserver-reference.init index 21242ab..410e807 100755 --- a/vserver-reference.init +++ b/vserver-reference.init @@ -2,7 +2,7 @@ # # 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 # @@ -28,7 +28,21 @@ 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 + +echo "--- STARTING $(date) ---" >&3 2>&4 # Parse PLC configuration if [ -r /etc/planetlab/plc_config ] ; then @@ -39,44 +53,110 @@ else PLC_BOOT_HOST="boot.planet-lab.org" fi -# Save stdout and stderr -exec 3>&1 -exec 4>&2 +shopt -s nullglob -# Redirect stdout and stderr to a log file -exec 2>&1 -exec &>/var/log/vserver-reference.log +# Make sure the barrier bit is set +chmod 0000 "$__DEFAULT_VSERVERDIR" +setattr --barrier "$__DEFAULT_VSERVERDIR" -echo -n $"Updating VServer reference: " >&3 2>&4 +# Set the attribute to unlink so vclone does the right thing wrt to +# conserving space by linking and not copying unified files. -shopt -s nullglob +if [ -f /proc/virtual/info ] ; then + x=$[ 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 "$__DEFAULT_VSERVERDIR/.vref"/* -type f -print0 | xargs -0 setattr --~iunlink + fi +fi -VROOTS="$__DEFAULT_VSERVERDIR/vserver-reference $__DEFAULT_VSERVERDIR/.vcache/* $__DEFAULT_VSERVERDIR/${PLC_SLICE_PREFIX}_*" -# Make sure the barrier bit is set -chmod 0000 /vservers -setattr --barrier /vservers +# 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=$? + fi + + # Clean RPM state + rm -f "$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/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/RPM-GPG-KEY-planetlab ; do + /etc/pki/rpm-gpg/* ; do if [ -r $file ] ; then for vroot in $VROOTS ; do - if [ "$file" = "/etc/pki/rpm-gpg/RPM-GPG-KEY-planetlab" -a \ - ! -f $vroot/$file ] ; then - import=1 - else - import=0 - fi install -D -m 644 $file $vroot/$file - if [ $import -eq 1 ] ; then - chroot $vroot rpm --import $file - fi done fi done + +for vroot in $VROOTS ; do + # NOTE: without this step, the 'rpm --allmatches' step can hang on boot + # Remove stale RPM locks from all VROOT dirs + rm -f $vroot/var/lib/rpm/__db* +done + +# (Re)install GPG signing keys +if [ -d /etc/pki/rpm-gpg ] ; then + for vroot in $VROOTS ; do + chroot $vroot rpm --allmatches -e gpg-pubkey || : + chroot $vroot rpm --import /etc/pki/rpm-gpg/* || : + done +fi + # Old versions of the Boot Manager copied portions of the Boot CD to # /mnt/cdrom/bootme, to support old scripts which assumed that the # Boot CD was mounted even in production mode. Now, it just copies it @@ -101,5 +181,7 @@ for cacert in $CACERT ; do done success >&3 2>&4 +echo "--- DONE $(date) ---" >&3 2>&4 echo >&3 2>&4 + exit 0