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# $Id: vserver-build.functions,v 1.14 2005/01/31 22:47:42 ensc Exp $ --*- sh -*--
# Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
#
# 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; version 2 of the License.
#
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Expected environment:
# $VSERVER_NAME ... name of vserver
ROOTDIR=
ROOTDIR_REL=
VSERVERDIRNAME=
VDIR=
_DEV_FILE=
_EXEC_DIR=
BUILD_INITPRE=
BUILD_INITPOST=
function makeDevEntry
{
local dst=$1/$2
case "$3" in
(c|b) mknod -m$6 "$dst" $3 $4 $5;;
(d) mkdir -p -m$4 "$dst";;
(f) touch "$dst"
chmod $4 "$dst"
;;
(*) echo "Unknown dev-entry mode '$3'" >&2
false
;;
esac
}
function populateDirectory
{
local dst=$1
local i
shift
for i; do
local file=
for file in "$i"/*; do
test -e "$file" || continue
case "$file" in
(*/CVS) test ! -d "$file" || continue;;
(*.rpmsave|*.rpmnew|*.rpmorig)
continue;;
esac
cp -a "$file" "$dst/"
done
done
}
function _setRootDir
{
test -z "$ROOTDIR" || return 0
for item in "\"$CONFDIR/.defaults/vdirbase\" 1" "$DEFAULT_VSERVERDIR"; do
eval set -- "$item"
ROOTDIR=$1
ROOTDIR_REL=$2
test ! -d "$ROOTDIR" || break
done
test -d "$ROOTDIR" || {
echo "Root-directory '$ROOTDIR' does not exist or is invalid" >&2
exit 1
}
}
function _setVserverDir
{
test -z "$VSERVERDIRNAME" || return 0
VSERVERDIRNAME="$VSERVER_NAME"
}
function _setVdir
{
VDIR="$ROOTDIR/$VSERVERDIRNAME"
}
function say
{
test -z "$OPTION_SILENT" || return 0
echo "$@"
}
function _renameVserverCfg
{
local suffix=.~$(date +'%s')~
local i
for i in "$VDIR" "$SETUP_CONFDIR"; do
test ! -e "$i" || {
mv "$i" "$i$suffix"
say "Renamed '$i' to '$i$suffix'"
}
done
}
## Usage: getDistribution [<default>]
function getDistribution
{
test -z "$DISTRIBUTION" || return 0
if test -e /etc/fedora-release; then
set -- $(cat /etc/fedora-release)
DISTRIBUTION=fdr$4
elif test -e /etc/redhat-release; then
set -- $(cat /etc/redhat-release)
DISTRIBUTION=rh$5
elif test -e /etc/debian_version; then
set -- $(cat /etc/debian_version)
DISTRIBUTION=deb$1
elif test -e /etc/SuSE-release; then
set -- $(cat /etc/SuSE-release)
DISTRIBUTION=suse$3
elif test -e /etc/gentoo-release; then
set -- $(cat /etc/gentoo-release)
DISTRIBUTION=gentoo$5
elif test -e /etc/slackware-release; then
set -- $(cat /etc/slackware-release)
DISTRIBUTION=slackware$2
elif test -n "$1"; then
DISTRIBUTION=$1
else
echo \
"Can not determine distribution; please specify it manually
with the '-d' option" >&2
exit 1
fi >&2
}
## Usage: initFilesystem [force]
function base.initFilesystem
{
test -z "$1" || _renameVserverCfg
test ! -d "$VDIR/etc" -a ! -d "$SETUP_CONFDIR" || {
echo \
"vserver-topdirectory '$VDIR/etc' and/or configuration at '$SETUP_CONFDIR'
exist already; please try to use '--force', or remove them manually"
>&2
exit 1
} >&2
mkdir -p -m755 "$VDIR"
chattr -t "$VDIR"
mkdir -p -m755 "$SETUP_CONFDIR"/apps "$VDIR"/{dev/pts,etc}
ln -s "$VDIR" "$SETUP_CONFDIR/vdir"
local spec
while read spec; do
makeDevEntry "$VDIR"/dev $spec
done <$_DEV_FILE
mkdir -p "$VDIR"/proc
findAndCopy "$VDIR"/etc/hosts "$CONFDIR"/.defaults/files/hosts "$CONFDIR/.distributions/$DISTRIBUTION"/files/hosts \
"$DISTRIBDIR/$DISTRIBUTION"/files/hosts "$DISTRIBDIR"/defaults/files/hosts ""
for i in nsswitch.conf krb5.conf krb.conf krb.realms ldap.conf localtime resolv.conf; do
findAndCopy "$VDIR"/etc/$i "$CONFDIR/.defaults/files/$i" "$CONFDIR/.distributions/$DISTRIBUTION/files/$i" ""
done
}
function base.initVariables
{
_setRootDir
_setVserverDir
_setVdir
findFile _DEV_FILE "$CONFDIR/.distributions/$DISTRIBUTION/devs" "$DISTRIBDIR/$DISTRIBUTION/devs" "$DISTRIBDIR/defaults/devs"
findDir _EXECDIR "$CONFDIR/.distributions/$DISTRIBUTION/execdir" "$DISTRIBDIR/$DISTRIBUTION/execdir" /
findFile BUILD_INITPRE "$CONFDIR/.distributions/$DISTRIBUTION/initpre" "$DISTRIBDIR/$DISTRIBUTION/initpre" ""
findFile BUILD_INITPOST "$CONFDIR/.distributions/$DISTRIBUTION/initpost" "$DISTRIBDIR/$DISTRIBUTION/initpost" ""
}
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