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|
#!/bin/bash
#
# vesync - Sync metadata and overlays in vservers
# Copyright (C) 2005 Benedikt Boehm <hollow@gentoo.org>
# Christian Heim <phreak@gentoo.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
: ${APP:=${0##*/}}
: ${UTIL_VSERVER_VARS:=/usr/lib/util-vserver/util-vserver-vars}
if [ ! -e ${UTIL_VSERVER_VARS} ]; then
echo "Cannot find util-vserver installation"
echo "(the file '$UTIL_VSERVER_VARS' would be expected)"
exit 1
fi
source ${UTIL_VSERVER_VARS}
if [ ! -e ${_LIB_GENTOO_FUNCTIONS} ]; then
echo "${_LIB_GENTOO_FUNCTIONS} missing. Are you running Gentoo?"
exit 1
fi
source ${_LIB_GENTOO_FUNCTIONS}
trap "exit 1" INT
syncportage() {
# $1 - name of the vserver
ebegin "Updating metadata for vserver '${1}'"
/usr/sbin/vserver ${1} exec /usr/bin/emerge --metadata >&9
eend $? || die
}
syncoverlay() {
# $1 - name of the vserver
# $2 - overlayhost (e.g. rsync://rsync.de.gentoo.org/gentoo-overlay)
# $3 - overlay directory (e.g. /usr/local/portage)
ebegin "Syncing overlay '${3}' for vserver '${1}'"
/usr/sbin/vserver ${1} exec /usr/bin/rsync -rtW --progress --delete \
--delete-after ${2}/ ${3}/ >&9
eend $? || die
}
usage() {
echo "Usage: vesync <opts> [<name>]"
echo
echo "<name> Name of the vserver (required if --all not used)"
echo
echo "Options:"
echo " -h, --help This help message"
echo " -q, --quiet Don't show output of emerge"
echo " -a, --all Sync all running vservers"
echo " -e, --exclude <list> Exclude single vservers with --all"
echo " --overlay Directory of a portage overlay"
echo " --overlay-host Rsync host of the overlay"
echo " --overlay-only Only sync the overlay"
echo
}
# Parsing opts
opts=$(POSIXLY_CORRECT=1 getopt -o hqae --longoptions help,quiet,all,exclude:,overlay,overlay-host,overlay-only -n $0 -- "$@")
[ "$?" != "0" ] && die "Wrong number of options"
eval set -- "$opts"
quiet=0
all=0
exclude=
overlay=
overlay_host=
overlay_only=0
while true; do
case "${1}" in
--help|-h)
usage
exit 0
;;
--quiet|-q)
quiet=1
shift
;;
--all|-a)
all=1
shift
;;
--exclude|-e)
exclude=$2
shift 2
;;
--overlay)
overlay=${2%/}
shift 2
;;
--overlay-host)
overlay_host=${2%/}
shift 2
;;
--overlay-only)
overlay_only=1
shift
;;
--)
shift
break
;;
*)
die "Unknown argument '${1}'"
;;
esac
done
# checking quiet option
if [ ${quiet} -eq 0 ]; then
exec 9>&1
else
exec 9>/dev/null 2>&1
fi
# checking vserver name
name=
if [ -z "$1" ] && [ ${all} -eq 0 ]; then
die "Missing argument <name>"
else
name=$1
fi
shift
# get list of all running vservers
if [ ${all} -eq 0 ]; then
vservers=${name}
else
running=$(vs_running_name)
vservers=
for r in ${running}; do
match=0
for e in ${exclude}; do
[ "${r}" == "${e}" ] && match=1
done
[ ! -f "${__CONFDIR}/${r}/vdir/etc/gentoo-release" ] && match=1
[ ${match} -eq 0 ] && vservers="${vservers} ${r}"
done
fi
# finally, sync it!
for vserver in ${vservers}; do
[ ${overlay_only} -eq 0 ] && syncportage ${vserver}
if [ -n "${overlay_host}" ] && [ -n "${overlay}" ]; then
syncoverlay ${vserver} ${overlay_host} ${overlay}
fi
done
|
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