#!/bin/sh
# version 0.4.6.1
# very light script to reconfigure list of nodes
# plz report bug to: clic-public-dev@mandrakesoft.com

# setting config on it 
NODELIST="/etc/nodes_list"
NODELIST_ORIG="/etc/nodes_list.orig"


# if file exist a previous exit signal ocur
if [ -f "$NODELIST.1" ]; then cp -f $NODELIST.1 $NODELIST ; rm -rf $NODELIST.1 ; fi
trap "echo Catching interrupt Signal !!; cp -f $NODELIST $NODELIST.1 ; exit 1" 1 2 5 9 15

remove_workfile() {
rm -rf /tmp/node_list.d $NODELIST.sorted /tmp/tre /tmp/diag_node_actif /tmp/diag_node_inactif /tmp/nodesina /tmp/nodes_list.tmp
}

# creating an original nodelistfile
create_orig() {
if [ ! -f "$NODELIST_ORIG" ]; then
        echo " - Creating $NODELIST_ORIG"
        cp -f $NODELIST $NODELIST_ORIG
fi
}

# test if /etc/nodes_list=0
test_nodelist() {
TEST_F=`file $NODELIST | grep empty`
if [ ! -z "$TEST_F" ]; then
dialog --msgbox "Node list Empty !!\n \nUsing nodes_list.orig as default node list" 0 0
cp -f $NODELIST_ORIG $NODELIST
fi
}

# sort NODELIST
sort_node() {
cat $NODELIST | sort > $NODELIST.sorted
cp -f $NODELIST.sorted $NODELIST
}

remove_quote() {
# remove anoying " and space 
perl -pi -e "s/\"//g" $1
cp -f /dev/null /tmp/tre
for i in `cat $1` ; do echo $i >> /tmp/tre ; done
cat /tmp/tre > $1
}

prepa_file() {
cp -f /dev/null /tmp/diag_node_actif ; cp -f /dev/null /tmp/diag_node_inactif
for i in `cat $NODELIST` ; do j=`echo $i | awk -F. '{print $1}'` ; echo -n "$i $j on " >> /tmp/diag_node_actif ; done
cp -f $NODELIST_ORIG /tmp/nodes_list.tmp; cp -f /dev/null /tmp/nodesina
for i in `cat $NODELIST` ; do grep -vx $i /tmp/nodes_list.tmp > /tmp/nodesina ; cp -f /tmp/nodesina /tmp/nodes_list.tmp ; done
cp -f /tmp/nodesina /tmp/list_node_inactif
# diff -B $NODELIST $NODELIST_ORIG | grep ">" | sed -e "s/> //" >/tmp/list_node_inactif
#comm -3 $NODELIST_ORIG $NODELIST > /tmp/list_node_inactif
for i in `cat /tmp/list_node_inactif` ; do j=`echo $i | awk -F. '{print $1}'` ; echo -n "$i $j off " >> /tmp/diag_node_inactif ; done
}

show_config() {
dialog --backtitle "Content $NODELIST file" --title "$NODELIST" --textbox $NODELIST 15 25
}

diag_complete() {
prepa_file
DIAG=`cat /tmp/diag_node_actif /tmp/diag_node_inactif`
dialog --no-kill --backtitle "Set List of nodes to configure Clic Server" --no-cancel --title "Modify List Node" --checklist "Active Nodes followed by inactive Nodes" 0 0 10 $DIAG 2> /tmp/nodes_list.d
# /tmp/nodes_list.d is the exact list of active node
remove_quote /tmp/nodes_list.d
cp -f /dev/null $NODELIST
cat /tmp/nodes_list.d > $NODELIST
}

set_list() {
dialog --no-kill --backtitle "Set List of nodes to configure Clic Server" --defaultno --yesno "If you answer Yes this will launch /usr/bin/set_list_node script.\nThis script reconfigure all services and Environement on Clic server, and Relaunch all dependent Services.\n \nAre You SURE ?" 0 0
if [ $? != "1" ]; then
	/usr/bin/set_list_node
fi
}


######################
# MAIN
######################
while true 
do
remove_workfile
create_orig
test_nodelist
sort_node
	
dialog --no-cancel --backtitle "Active or DesActive a node easily" \
--title "   Menu Of modif_list_node" \
--menu "Choose " 12 30 5 \
1 "Modify list" \
2 "Show $NODELIST file" \
3 "Regenerate config file" \
4 "Exit" 2> .tempfile
output=`cat .tempfile`
rm -f .tempfile

if [ "$output" = "1" ]; then
	test_nodelist
	diag_complete
fi

if [ "$output" = "2" ]; then
	show_config
fi

if [ "$output" = "3" ]; then
	set_list
fi

#if [ "$output" = "4" ]; then
#	diag_desactive
#	exit 0
#fi
if [ "$output" = "4" ]; then
	remove_workfile
	exit 0
fi

done