Vyššie na [Platon] / scripts / shell / switchconfig

New project switchconfig: change configuration of other services if you
travell between multiple networks. Networks are detected automaticaly,
you can easily configure detection alghoritmus.

#!/bin/sh

#
# /etc/init.d/switchconfig
#
# Overwrite configuration files for differend network setups
#
# Developed by Lubomir Host 'rajo' <rajo AT platon.sk>
# Copyright (c) 2004-2005 Platon SDG, http://platon.sk/
# Licensed under terms of GNU General Public License.
# All rights reserved.
#
# Changelog:
# 2004-09-15 - created
#

# $Platon$

SELF=$(cd $(dirname $0); pwd -P)/$(basename $0)
CONFDIR="/etc/switchconfig"
CONFFILE="/etc/default/switchconfig"

# required programs {{{
for prog in realpath basename dirname; do
    if [ -z "`which $prog`" ]; then
        echo "Required utility '$prog' not found, can't continue"
        exit 1;
#    else
#        echo "$prog found, using `which $prog`"
    fi
done

# cmd for sed:
TOLOWER="y/.-ABCDEFGHIJKLMNOPQRSTUVWXYZ/__abcdefghijklmnopqrstuvwxyz/"

# }}}

# read config file
if [ -f "$CONFFILE" ]; then
    . $CONFFILE;
fi

start()
{ # {{{
    echo -en "Autodetecting domain "
    found="no"
    for domain in $DOMAIN_ORDER; do
        x_server=SERVER_`echo "$domain" | sed "$TOLOWER"`
        server="${!x_server}"
        echo -en "." # progressbar ;-)
        [ -z "$server" ] && (echo; echo "Error: server for $domain not specified. Error in config file?"; )
        ping -W 1 -c 1 -q $server >& /dev/null
        if [ $? = '0' ]; then
            found="yes"
            echo "$domain ($server)";
            break;
        fi
    done
    if [ "$found" = "no" ]; then
        echo " assuming default";
        domain="_default";
    fi
    cd "$CONFDIR/$domain" || ( echo "Can't change to directory '$CONFDIR/$domain'"; exit 1; )
    for file in `find . -type f -print | sed 's/^\.//g;'`; do
        echo "    Changing file '$file'"
        rm -f "$file"
        ln -s "$CONFDIR/$domain$file" "$file"
    done
} # }}}

stop()
{ # {{{
    echo stop
} # }}}

add_config()
{ # {{{
    shift; # remove first param
    for f in $*; do
        echo "Looking for '$f'";
        file=`realpath $f || echo $f`;
        if [ ! -f "$file" ]; then
            echo "File '$file' not found or is not a regular file."
            exit 1;
        fi
        dirname=`dirname $file`
        filename=`basename $file`
        cd $CONFDIR;
        for domain in *; do
            [ ! -d $domain ] && continue # ignore files
            echo "Found domain $domain ..."
            mkdir -p $domain$dirname
            echo "    Copying file '$file'  -->  '$CONFDIR/$domain$dirname/$filename'"
            cp $file $domain/$dirname/$filename
        done
    done
} # }}}

case "${1:-''}" in
    'start')
        start;
        ;;
    'stop')
        stop;
        ;;
    add*)
        add_config $*;
        ;;
    'restart')
        set +e; $SELF stop; set -e
        $SELF start 
        ;;
    *)
        echo "Usage: $SELF start|stop|restart|add"
        exit 1
        ;;
esac

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