X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=scripts%2Fvserver-build.functions;fp=scripts%2Fvserver-build.functions;h=981c037d7c25efd9a7a3f98b19fac10db175c03e;hb=3f3cf95f755f3ef1c31ad8e38153deb4ee214c66;hp=0000000000000000000000000000000000000000;hpb=bfa4b37aaa195007a09bc166e8c8563d5a3c2ef1;p=util-vserver.git

diff --git a/scripts/vserver-build.functions b/scripts/vserver-build.functions
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+++ b/scripts/vserver-build.functions
@@ -0,0 +1,222 @@
+# $Id: vserver-build.functions,v 1.18 2005/07/04 22:38:42 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=
+
+__BASE_GENERATED_FILES=()
+__BASE_SUCCESS=
+
+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
+	    isRegularFile "$file" || continue
+	    
+	    cp -a "$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=$1
+    else
+	echo \
+"Can not determine distribution; please specify it manually
+with the '-d' option"  >&2
+	exit 1
+    fi >&2
+}
+
+function base._addGeneratedFile
+{
+    __BASE_GENERATED_FILES=( "${__BASE_GENERATED_FILES[@]}" "$@" )
+}
+
+## Usage: initFilesystem [force]
+function base.initFilesystem
+{
+    test -z "$1" || _renameVserverCfg
+    test ! -d "$VDIR" -a ! -d "$SETUP_CONFDIR" || {
+	echo \
+"vserver-topdirectory '$VDIR' 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 "$VDIR"
+    base._addGeneratedFile "$VDIR"
+    
+    mkdir -p -m755 "$SETUP_CONFDIR"/apps "$VDIR"/{dev/pts,etc}
+    base._addGeneratedFile "$SETUP_CONFDIR"
+    
+    ln -s "$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" ""
+}
+
+function base.__cleanup
+{
+    test -z "$OPTION_KEEP"    || return 0
+    test -z "$__BASE_SUCCESS" || return 0
+    
+    echo rm -rf "${__BASE_GENERATED_FILES[@]}"
+}
+
+function base.init
+{
+    test -z "$SETUP_CONTEXT" || ! $_VSERVER_INFO -q "$SETUP_CONTEXT" RUNNING || \
+	panic $"\
+Context '$SETUP_CONTEXT' is already in use. Please select another one."
+
+    trap "base.__cleanup" EXIT
+    base._initVariables
+}
+
+function base.setSuccess
+{
+    __BASE_SUCCESS=1
+}