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#!/bin/bash
# Copyright (C) 2000-2006 SWsoft. All rights reserved.
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#
# Set the sane umask
umask 022
CP='/bin/cp -f --preserve=mode,ownership'
# Error codes
VZ_INVALID_PARAMETER_SYNTAX=20
VZ_FS_NO_DISK_SPACE=46
VZ_FS_BAD_TMPL=47
VZ_FS_NEW_VE_PRVT=48
VZ_CHANGEPASS=74
VZ_CANT_ADDIP=34
VZ_IP_INUSE=78
# Prints error message and exits
# Parameters:
# $1 - error message
# $2 - exit code
# Example of usage:
# error "Fatal error" 1
function error()
{
# print errors to stdout too
ERR=$?
echo "$SELFNAME ERROR: $1"
exit $2
}
# Puts line
# NAME="value"
# to config file. If NAME is found, line gets replaced,
# otherwise it is added to the end of file.
# Parameters:
# $1 - config file
# $2 - NAME
# $3 - value
function put_param()
{
local file="$1"
local name="$2"
local value="$3"
local path
path=${file%/*}
if [ ! -d "${path}" ]; then
mkdir -p ${path} || error "Unable to create dir ${path}" $VZ_FS_NO_DISK_SPACE
fi
if grep -E "^$name=.*" $file>/dev/null 2>&1; then
${CP} ${file} ${file}.$$ || error "Can't copy file $file" $VZ_FS_NO_DISK_SPACE
/bin/sed -e "s|^$name=.*|$name=\"$value\"|" < ${file} > ${file}.$$
if [ $? -ne 0 ]; then
rm -f ${file}.$$ 2>/dev/null
error "Can't change file $file" $VZ_FS_NO_DISK_SPACE
fi
mv -f ${file}.$$ ${file}
else
echo "$name=\"$value\"" >> $file || error "Can't change file $file" $VZ_FS_NO_DISK_SPACE
fi
}
# Puts line
# NAME value
# to config file. If NAME is found, line gets replaced,
# otherwise it is added to the end of file.
# Parameters:
# $1 - config file
# $2 - NAME
# $3 - value
function put_param2()
{
local file="$1"
local name="$2"
local value="$3"
local path;
path=${file%/*}
if [ ! -d "${path}" ]; then
mkdir -p ${path} || error "Unable to create dir ${path}" $VZ_FS_NO_DISK_SPACE
fi
if grep -E "^\<$name\>" $file>/dev/null 2>&1; then
${CP} ${file} ${file}.$$ || error "Can't copy file $file" $VZ_FS_NO_DISK_SPACE
/bin/sed -e "s|^\<$name\>.*|$name $value|" < ${file} > ${file}.$$
if [ $? -ne 0 ]; then
rm -f ${file}.$$ 2>/dev/null
error "Can't change file $file" $VZ_FS_NO_DISK_SPACE
fi
mv -f ${file}.$$ ${file}
else
echo "$name $value" >> $file || error "Can't change file $file" $VZ_FS_NO_DISK_SPACE
fi
}
# Puts line
# NAME=( value )
# to config file. If NAME is found, line gets replaced,
# otherwise it is added to the end of file.
# Parameters:
# $1 - config file
# $2 - NAME
# $3 - value
function put_param3() {
local file=$1
local name=$2
local value=$3
local path
path=${file%/*}
if [ ! -d "${path}" ]; then
mkdir -p ${path} || error "Unable to create dir ${path}" $VZ_FS_NO_DISK_SPACE
fi
if grep -E "^$name=\(.*\)" $file>/dev/null 2>&1; then
${CP} ${file} ${file}.$$ || error "Can't copy file $file" $VZ_FS_NO_DISK_SPACE
if [ -z "${value}" ]; then
/bin/sed -e "s|^$name=\(.*\)|$name=\( \)|" < ${file} > ${file}.$$
else
/bin/sed -e "s|^$name=\(.*\)|$name=\( \"$value\" \)|" < ${file} > ${file}.$$
fi
if [ $? -ne 0 ]; then
rm -f ${file}.$$ 2>/dev/null
error "Can't change file $file" $VZ_FS_NO_DISK_SPACE
fi
mv -f ${file}.$$ ${file}
else
if [ -z "${value}" ]; then
echo "$name=( )" >> $file || error "Can't change file $file" $VZ_FS_NO_DISK_SPACE
else
echo "$name=( \"$value\" )" >> $file || error "Can't change file $file" $VZ_FS_NO_DISK_SPACE
fi
fi
}
# Adds value to array NAME
# in config file. If NAME is found, value gets added,
# otherwise it is added to the end of file.
# Parameters:
# $1 - config file
# $2 - NAME
# $3 - value
function add_param3() {
local file=$1
local name=$2
local value=$3
local path
path=${file%/*}
if [ ! -d "${path}" ]; then
mkdir -p ${path} || error "Unable to create dir ${path}" $VZ_FS_NO_DISK_SPACE
fi
if grep -E "^$name=\(.*\)" $file>/dev/null 2>&1; then
${CP} ${file} ${file}.$$ || error "Can't copy file $file" $VZ_FS_NO_DISK_SPACE
/bin/sed -r "s|^$name=\((.*)\)|$name=\( \1 \"$value\" \)|" < ${file} > ${file}.$$
if [ $? -ne 0 ]; then
rm -f ${file}.$$ 2>/dev/null
error "Can't change file $file" $VZ_FS_NO_DISK_SPACE
fi
mv -f ${file}.$$ ${file}
else
echo "$name=( \"$value\" )" >> $file || error "Can't change file $file" $VZ_FS_NO_DISK_SPACE
fi
}
# Removes value from array NAME
# in config file. If NAME is found, value gets removed,
# otherwise this is a noop function.
# Parameters:
# $1 - config file
# $2 - NAME
# $3 - value
function del_param3() {
local file=$1
local name=$2
local value=$3
[ ! -f $file ] && return
if grep -E "^$name=\(.*\)" $file>/dev/null 2>&1; then
${CP} ${file} ${file}.$$ || error "Can't copy file $file" $VZ_FS_NO_DISK_SPACE
/bin/sed -r "s|^($name=\( .*)\"$value\"(.* \))|\1\2|" < ${file} > ${file}.$$
if [ $? -ne 0 ]; then
rm -f ${file}.$$ 2>/dev/null
error "Can't change file $file" $VZ_FS_NO_DISK_SPACE
fi
mv -f ${file}.$$ ${file}
else
return
fi
}
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