WebSVN – ALCASAR – Diff – /scripts/alcasar-load_balancing.sh



#!/bin/bash
# $Id: alcasar-load_balancing.sh 1789 2016-02-07 16:09:12Z franck $
 
# Generic Load balancer for multiple WAN links - version 1.1 (04 Feb 2011)
# (c) 2011 Pau Oliva Fora - http://pof.eslack.org
#
# Licensed under GPLv3 - for full terms see:

CONF_FILE="$DIR_ETC/alcasar.conf"
MULTIWAN=`grep MULTIWAN= $CONF_FILE|cut -d"=" -f2`
MULTIWAN=${MULTIWAN:=off}
FAILOVER=`grep FAILOVER= $CONF_FILE|cut -d"=" -f2`
FAILOVER=${FAILOVER:=30}
EXTIF=`grep ^EXTIF= $CONF_FILE|cut -d"=" -f2`				# INTernal InterFace
 
 
# space separated list of public IPs to ping in watchdog mode
# set this to some public ip addresses pingable and always on.
TESTIPS="8.8.8.8 192.0.32.10"

		WT=`grep "$INT=" $CONF_FILE | awk -F'"' '{ print $2 }' | awk -F, '{ print $5}'`		# WEIGHT
		WT=${WT:-1}
		IP=`grep "$INT=" $CONF_FILE | awk -F'"' '{ print $2 }' | awk -F, '{ print $3}' | cut -d"/" -f1`	# @IP
 
		if [ $i -ne 0 ]; then
			[ -e /etc/sysconfig/network-scripts/ifcfg-$EXTIF:$i ] && ifdown $EXTIF:$i && rm -f /etc/sysconfig/network-scripts/ifcfg-$EXTIF:$i
			IFACE=`grep "$INT=" $CONF_FILE | awk -F'"' '{ print $2 }' | awk -F, '{ print $2}'`	# IFACE
			IP_NET=`grep "^$INT=" $CONF_FILE | awk -F'"' '{print $2}' | awk -F, '{ print $3}'`	# IP
			NET="`ipcalc -n $IP_NET | cut -d"=" -f2`/`ipcalc -p $IP_NET|cut -d"=" -f2`"
			GW=`grep "$INT=" $CONF_FILE | awk -F'"' '{ print $2 }' | awk -F, '{ print $4}'`		# @GW
			MTU=`grep "$INT=" $CONF_FILE | awk -F'"' '{ print $2 }' | awk -F, '{ print $6}'`	# MTU
 
			# Config $EXTIF:$i (Internet)
			cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-$EXTIF:$i
DEVICE=$IFACE
BOOTPROTO=static
IPADDR=`echo $IP | cut -d"/" -f1`
NETMASK=`ipcalc -m $IP_NET | cut -d= -f2`
NETWORK=`ipcalc -n $IP_NET | cut -d= -f2`

IPV6INIT=no
IPV6TO4INIT=no
ACCOUNTING=no
USERCTL=no
EOF
			echo "ifup $EXTIF:$i"
			ifup $EXTIF:$i
			NET="`ipcalc -n $IP_NET | cut -d"=" -f2`/`ipcalc -p $IP_NET|cut -d"=" -f2`"
		else
			IFACE="$EXTIF"
			IP_NET=`grep "^PUBLIC_IP=" $CONF_FILE | awk -F'=' '{print $2}'`			# IP/MSK
			IP=`grep "^PUBLIC_IP=" $CONF_FILE | awk -F= '{ print $2 }' | cut -d"/" -f1`	# @IP
			GW=`grep "^GW=" $CONF_FILE | awk -F= '{print $2}'`				# @GW
#			MTU=`grep "^PUBLIC_MTU=" $CONF_FILE | awk -F= '{print $2}'`			# MTU
		fi # End

 
###########################
# Fonction virtual Interfaces deleting
###########################
delete_eth () {
	IFACE_COUNT=`ls -l /etc/sysconfig/network-scripts/ifcfg-$EXTIF:* | wc -l`
	echo $IFACE_COUNT
	while [ $IFACE_COUNT -ne 0 ]
	do
		i=$IFACE_COUNT	
		echo "ifdown $EXTIF:$i"
		ifdown $EXTIF:$i
		rm -f /etc/sysconfig/network-scripts/ifcfg-$EXTIF:$i
		IFACE_COUNT=$(($IFACE_COUNT - 1))
	done
	ip route del default scope global
#	ip route add default gw 192.168.1.1
}

	
	DOWNCOUNT_BAK=0
	DOWN_BAK=""
	NBIFACE=`grep "^WAN" $CONF_FILE | wc -l`	# Nbre interfaces virtuelles
	echo "Nombre interfaces =  "$NBIFACE
	WANIFACE[0]="$EXTIF"
	c=0
	while [ $c -le $NBIFACE ]; do
		ITH=(`grep "WAN$c=" $CONF_FILE | awk -F'"' '{ print $2 }' | awk -F, '{ print $2}'`)	# IFACE
		echo $ITH
		WANIFACE="${WANIFACE} $ITH"

						fi
					done # End linkdown in DOWN
					# Interface en etat normal --> rajout de la règle en mode nexthop
					if [ $FAILIF -eq 0 ]; then
						IP=`ifconfig $iface |grep "inet adr" |cut -f 2 -d ":" |awk '{print $1}'`
						if [ $iface != "$EXTIF" ]; then
							GW=`grep "$iface," $CONF_FILE | awk -F'"' '{ print $2 }' | awk -F, '{ print $4}'`		# @GW
							WT=`grep "$iface," $CONF_FILE | awk -F'"' '{ print $2 }' | awk -F, '{ print $5}'`		# @GW
						else
							GW=`grep "^GW=" $CONF_FILE | awk -F= '{print $2}'`			# @GW
						fi	

Rev 1469	Rev 1789
Line 1...	Line 1...
1	`#!/bin/bash`	1	`#!/bin/bash`
2	`# $Id: alcasar-load_balancing.sh 1469 2014-10-30 21:58:47Z richard $`	2	`# $Id: alcasar-load_balancing.sh 1789 2016-02-07 16:09:12Z franck $`
3		3
4	`# Generic Load balancer for multiple WAN links - version 1.1 (04 Feb 2011)`	4	`# Generic Load balancer for multiple WAN links - version 1.1 (04 Feb 2011)`
5	`# (c) 2011 Pau Oliva Fora - http://pof.eslack.org`	5	`# (c) 2011 Pau Oliva Fora - http://pof.eslack.org`
6	`#`	6	`#`
7	`# Licensed under GPLv3 - for full terms see:`	7	`# Licensed under GPLv3 - for full terms see:`
Line 31...	Line 31...
31	`CONF_FILE="$DIR_ETC/alcasar.conf"`	31	`CONF_FILE="$DIR_ETC/alcasar.conf"`
32	MULTIWAN=`grep MULTIWAN= $CONF_FILE\|cut -d"=" -f2`	32	MULTIWAN=`grep MULTIWAN= $CONF_FILE\|cut -d"=" -f2`
33	`MULTIWAN=${MULTIWAN:=off}`	33	`MULTIWAN=${MULTIWAN:=off}`
34	FAILOVER=`grep FAILOVER= $CONF_FILE\|cut -d"=" -f2`	34	FAILOVER=`grep FAILOVER= $CONF_FILE\|cut -d"=" -f2`
35	`FAILOVER=${FAILOVER:=30}`	35	`FAILOVER=${FAILOVER:=30}`
36	INTIF=`grep ^INTIF= $CONF_FILE\|cut -d"=" -f2` # INTernal InterFace	36	EXTIF=`grep ^EXTIF= $CONF_FILE\|cut -d"=" -f2` # INTernal InterFace
37		37
38		38
39	`# space separated list of public IPs to ping in watchdog mode`	39	`# space separated list of public IPs to ping in watchdog mode`
40	`# set this to some public ip addresses pingable and always on.`	40	`# set this to some public ip addresses pingable and always on.`
41	`TESTIPS="8.8.8.8 192.0.32.10"`	41	`TESTIPS="8.8.8.8 192.0.32.10"`
Line 67...	Line 67...
67	WT=`grep "$INT=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $5}'` # WEIGHT	67	WT=`grep "$INT=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $5}'` # WEIGHT
68	`WT=${WT:-1}`	68	`WT=${WT:-1}`
69	IP=`grep "$INT=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $3}' \| cut -d"/" -f1` # @IP	69	IP=`grep "$INT=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $3}' \| cut -d"/" -f1` # @IP
70		70
71	`if [ $i -ne 0 ]; then`	71	`if [ $i -ne 0 ]; then`
72	`[ -e /etc/sysconfig/network-scripts/ifcfg-$INTIF:$i ] && ifdown $INTIF:$i && rm -f /etc/sysconfig/network-scripts/ifcfg-$INTIF:$i`	72	`[ -e /etc/sysconfig/network-scripts/ifcfg-$EXTIF:$i ] && ifdown $EXTIF:$i && rm -f /etc/sysconfig/network-scripts/ifcfg-$EXTIF:$i`
73	IFACE=`grep "$INT=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $2}'` # IFACE	73	IFACE=`grep "$INT=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $2}'` # IFACE
74	IP_NET=`grep "^$INT=" $CONF_FILE \| awk -F'"' '{print $2}' \| awk -F, '{ print $3}'` # IP	74	IP_NET=`grep "^$INT=" $CONF_FILE \| awk -F'"' '{print $2}' \| awk -F, '{ print $3}'` # IP
75	NET="`ipcalc -n $IP_NET \| cut -d"=" -f2`/`ipcalc -p $IP_NET\|cut -d"=" -f2`"	75	NET="`ipcalc -n $IP_NET \| cut -d"=" -f2`/`ipcalc -p $IP_NET\|cut -d"=" -f2`"
76	GW=`grep "$INT=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $4}'` # @GW	76	GW=`grep "$INT=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $4}'` # @GW
77	MTU=`grep "$INT=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $6}'` # MTU	77	MTU=`grep "$INT=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $6}'` # MTU
78		78
79	`# Config $INTIF:$i (Internet)`	79	`# Config $EXTIF:$i (Internet)`
80	`cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-$INTIF:$i`	80	`cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-$EXTIF:$i`
81	`DEVICE=$IFACE`	81	`DEVICE=$IFACE`
82	`BOOTPROTO=static`	82	`BOOTPROTO=static`
83	IPADDR=`echo $IP \| cut -d"/" -f1`	83	IPADDR=`echo $IP \| cut -d"/" -f1`
84	NETMASK=`ipcalc -m $IP_NET \| cut -d= -f2`	84	NETMASK=`ipcalc -m $IP_NET \| cut -d= -f2`
85	NETWORK=`ipcalc -n $IP_NET \| cut -d= -f2`	85	NETWORK=`ipcalc -n $IP_NET \| cut -d= -f2`
Line 90...	Line 90...
90	`IPV6INIT=no`	90	`IPV6INIT=no`
91	`IPV6TO4INIT=no`	91	`IPV6TO4INIT=no`
92	`ACCOUNTING=no`	92	`ACCOUNTING=no`
93	`USERCTL=no`	93	`USERCTL=no`
94	`EOF`	94	`EOF`
95	`echo "ifup $INTIF:$i"`	95	`echo "ifup $EXTIF:$i"`
96	`ifup $INTIF:$i`	96	`ifup $EXTIF:$i`
97	NET="`ipcalc -n $IP_NET \| cut -d"=" -f2`/`ipcalc -p $IP_NET\|cut -d"=" -f2`"	97	NET="`ipcalc -n $IP_NET \| cut -d"=" -f2`/`ipcalc -p $IP_NET\|cut -d"=" -f2`"
98	`else`	98	`else`
99	`IFACE="$INTIF"`	99	`IFACE="$EXTIF"`
100	IP_NET=`grep "^PUBLIC_IP=" $CONF_FILE \| awk -F'=' '{print $2}'` # IP/MSK	100	IP_NET=`grep "^PUBLIC_IP=" $CONF_FILE \| awk -F'=' '{print $2}'` # IP/MSK
101	IP=`grep "^PUBLIC_IP=" $CONF_FILE \| awk -F= '{ print $2 }' \| cut -d"/" -f1` # @IP	101	IP=`grep "^PUBLIC_IP=" $CONF_FILE \| awk -F= '{ print $2 }' \| cut -d"/" -f1` # @IP
102	GW=`grep "^GW=" $CONF_FILE \| awk -F= '{print $2}'` # @GW	102	GW=`grep "^GW=" $CONF_FILE \| awk -F= '{print $2}'` # @GW
103	# MTU=`grep "^PUBLIC_MTU=" $CONF_FILE \| awk -F= '{print $2}'` # MTU	103	# MTU=`grep "^PUBLIC_MTU=" $CONF_FILE \| awk -F= '{print $2}'` # MTU
104	`fi # End`	104	`fi # End`
Line 138...	Line 138...
138		138
139	`###########################`	139	`###########################`
140	`# Fonction virtual Interfaces deleting`	140	`# Fonction virtual Interfaces deleting`
141	`###########################`	141	`###########################`
142	`delete_eth () {`	142	`delete_eth () {`
143	IFACE_COUNT=`ls -l /etc/sysconfig/network-scripts/ifcfg-$INTIF:* \| wc -l`	143	IFACE_COUNT=`ls -l /etc/sysconfig/network-scripts/ifcfg-$EXTIF:* \| wc -l`
144	`echo $IFACE_COUNT`	144	`echo $IFACE_COUNT`
145	`while [ $IFACE_COUNT -ne 0 ]`	145	`while [ $IFACE_COUNT -ne 0 ]`
146	`do`	146	`do`
147	`i=$IFACE_COUNT`	147	`i=$IFACE_COUNT`
148	`echo "ifdown $INTIF:$i"`	148	`echo "ifdown $EXTIF:$i"`
149	`ifdown $INTIF:$i`	149	`ifdown $EXTIF:$i`
150	`rm -f /etc/sysconfig/network-scripts/ifcfg-$INTIF:$i`	150	`rm -f /etc/sysconfig/network-scripts/ifcfg-$EXTIF:$i`
151	`IFACE_COUNT=$(($IFACE_COUNT - 1))`	151	`IFACE_COUNT=$(($IFACE_COUNT - 1))`
152	`done`	152	`done`
153	`ip route del default scope global`	153	`ip route del default scope global`
154	`# ip route add default gw 192.168.1.1`	154	`# ip route add default gw 192.168.1.1`
155	`}`	155	`}`
Line 181...	Line 181...
181		181
182	`DOWNCOUNT_BAK=0`	182	`DOWNCOUNT_BAK=0`
183	`DOWN_BAK=""`	183	`DOWN_BAK=""`
184	NBIFACE=`grep "^WAN" $CONF_FILE \| wc -l` # Nbre interfaces virtuelles	184	NBIFACE=`grep "^WAN" $CONF_FILE \| wc -l` # Nbre interfaces virtuelles
185	`echo "Nombre interfaces = "$NBIFACE`	185	`echo "Nombre interfaces = "$NBIFACE`
186	`WANIFACE[0]="$INTIF"`	186	`WANIFACE[0]="$EXTIF"`
187	`c=0`	187	`c=0`
188	`while [ $c -le $NBIFACE ]; do`	188	`while [ $c -le $NBIFACE ]; do`
189	ITH=(`grep "WAN$c=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $2}'`) # IFACE	189	ITH=(`grep "WAN$c=" $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $2}'`) # IFACE
190	`echo $ITH`	190	`echo $ITH`
191	`WANIFACE="${WANIFACE} $ITH"`	191	`WANIFACE="${WANIFACE} $ITH"`
Line 291...	Line 291...
291	`fi`	291	`fi`
292	`done # End linkdown in DOWN`	292	`done # End linkdown in DOWN`
293	`# Interface en etat normal --> rajout de la règle en mode nexthop`	293	`# Interface en etat normal --> rajout de la règle en mode nexthop`
294	`if [ $FAILIF -eq 0 ]; then`	294	`if [ $FAILIF -eq 0 ]; then`
295	IP=`ifconfig $iface \|grep "inet adr" \|cut -f 2 -d ":" \|awk '{print $1}'`	295	IP=`ifconfig $iface \|grep "inet adr" \|cut -f 2 -d ":" \|awk '{print $1}'`
296	`if [ $iface != "$INTIF" ]; then`	296	`if [ $iface != "$EXTIF" ]; then`
297	GW=`grep "$iface," $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $4}'` # @GW	297	GW=`grep "$iface," $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $4}'` # @GW
298	WT=`grep "$iface," $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $5}'` # @GW	298	WT=`grep "$iface," $CONF_FILE \| awk -F'"' '{ print $2 }' \| awk -F, '{ print $5}'` # @GW
299	`else`	299	`else`
300	GW=`grep "^GW=" $CONF_FILE \| awk -F= '{print $2}'` # @GW	300	GW=`grep "^GW=" $CONF_FILE \| awk -F= '{print $2}'` # @GW
301	`fi`	301	`fi`

Subversion Repositories ALCASAR

(root)/scripts/alcasar-load_balancing.sh @ 2474 – Rev 1469 → 1789