trunk/vzctl/magellan-add_ip.sh

#!/bin/bash
#  Copyright (C) 2000-2007 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
#
#
# This script configure IP alias(es) inside Magellan like VE.
#
# Parameters are passed in environment variables.
# Required parameters:
#   IP_ADDR       - IP address(es) to add
#                   (several addresses should be divided by space)
# Optional parameters:
#   VE_STATE      - state of VE; could be one of:
#                     starting | stopping | running | stopped
#   IPDELALL	  - delete all old interfaces
#

VENET_DEV=venet0
IFCFG_DIR=/etc/conf.d
IFCFG=${IFCFG_DIR}/net.${VENET_DEV}
ROUTESCFG=${IFCFG_DIR}/net.routes
HOSTFILE=/etc/hosts
FAKEGATEWAY=191.255.255.1

function setup_network()
{
	cat > ${IFCFG} << EOF
ONBOOT=yes
NETWORKING=static
IP=127.0.0.1
NETMASK=255.255.255.255
BROADCAST=0.0.0.0
EOF

	# setup routes
	echo "-net ${FAKEGATEWAY} netmask 255.255.255.255 dev ${VENET_DEV}" > ${ROUTESCFG}
	echo "default gw ${FAKEGATEWAY}" >> ${ROUTESCFG}

	# Set up /etc/hosts
	if [ ! -f ${HOSTFILE} ]; then
		echo "127.0.0.1 localhost.localdomain localhost" > $HOSTFILE
	fi
}

function get_all_aliasid()
{
	IFNUM=-1
	IFNUMLIST=$(for i in $(find ${IFCFG_DIR} -name net.${VENET_DEV}:*); do echo $i | sed "s/.*${VENET_DEV}://"; done)
}

function get_free_aliasid()
{
	local found=

	[ -z "${IFNUMLIST}" ] && get_all_aliasid
	while test -z ${found}; do
                let IFNUM=IFNUM+1
		echo "${IFNUMLIST}" | grep -q -E "${IFNUM}" 2>/dev/null || found=1
	done
}

function create_config()
{
	local ip=$1
	local ifnum=$2

	echo -e "# auto-generated configuration for ${VENET_DEV}:${ifnum}
ONBOOT=yes
NETWORKING=static
IP=${ip}
NETMASK=255.255.255.255
BROADCAST=0.0.0.0
" > ${IFCFG}:${ifnum}
}


function add_ip()
{
	local ip
	local new_ips

	# In case we are starting VE
	if [ "x${VE_STATE}" = "xstarting" ]; then
		setup_network
	fi

	if [ "x${IPDELALL}" = "xyes" ]; then
		rm -f ${IFCFG}
		rm -f ${IFCFG}:[0-9]*
	fi

	for ip in ${IP_ADDR}; do
		found=
		if grep -e "\\<${ip}\\>" >/dev/null 2>&1 ${IFCFG}:*; then
			continue
		fi
		get_free_aliasid
		create_config ${ip} ${IFNUM}
	done

	if [ "x${VE_STATE}" = "xrunning" ]; then
		# synchronyze config files & interfaces
		/etc/init.d/network restart 2>/dev/null 1>/dev/null
	fi
}

add_ip
exit 0
# end of script
1	niro	272	#!/bin/bash
2			# Copyright (C) 2000-2007 SWsoft. All rights reserved.
3			#
4			# This program is free software; you can redistribute it and/or modify
5			# it under the terms of the GNU General Public License as published by
6			# the Free Software Foundation; either version 2 of the License, or
7			# (at your option) any later version.
8			#
9			# This program is distributed in the hope that it will be useful,
10			# but WITHOUT ANY WARRANTY; without even the implied warranty of
11			# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12			# GNU General Public License for more details.
13			#
14			# You should have received a copy of the GNU General Public License
15			# along with this program; if not, write to the Free Software
16			# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17			#
18			#
19			# This script configure IP alias(es) inside Magellan like VE.
20			#
21			# Parameters are passed in environment variables.
22			# Required parameters:
23			# IP_ADDR - IP address(es) to add
24			# (several addresses should be divided by space)
25			# Optional parameters:
26			# VE_STATE - state of VE; could be one of:
27			# starting \| stopping \| running \| stopped
28			# IPDELALL - delete all old interfaces
29			#
30
31			VENET_DEV=venet0
32			IFCFG_DIR=/etc/conf.d
33			IFCFG=${IFCFG_DIR}/net.${VENET_DEV}
34			ROUTESCFG=${IFCFG_DIR}/net.routes
35			HOSTFILE=/etc/hosts
36	niro	370	FAKEGATEWAY=191.255.255.1
37	niro	272
38			function setup_network()
39			{
40			cat > ${IFCFG} << EOF
41			ONBOOT=yes
42			NETWORKING=static
43			IP=127.0.0.1
44			NETMASK=255.255.255.255
45			BROADCAST=0.0.0.0
46			EOF
47
48			# setup routes
49			echo "-net ${FAKEGATEWAY} netmask 255.255.255.255 dev ${VENET_DEV}" > ${ROUTESCFG}
50			echo "default gw ${FAKEGATEWAY}" >> ${ROUTESCFG}
51
52			# Set up /etc/hosts
53			if [ ! -f ${HOSTFILE} ]; then
54			echo "127.0.0.1 localhost.localdomain localhost" > $HOSTFILE
55			fi
56			}
57
58			function get_all_aliasid()
59			{
60			IFNUM=-1
61			IFNUMLIST=$(for i in $(find ${IFCFG_DIR} -name net.${VENET_DEV}:); do echo $i \| sed "s/.${VENET_DEV}://"; done)
62			}
63
64			function get_free_aliasid()
65			{
66			local found=
67
68			[ -z "${IFNUMLIST}" ] && get_all_aliasid
69			while test -z ${found}; do
70			let IFNUM=IFNUM+1
71			echo "${IFNUMLIST}" \| grep -q -E "${IFNUM}" 2>/dev/null \|\| found=1
72			done
73			}
74
75			function create_config()
76			{
77			local ip=$1
78			local ifnum=$2
79
80			echo -e "# auto-generated configuration for ${VENET_DEV}:${ifnum}
81			ONBOOT=yes
82			NETWORKING=static
83			IP=${ip}
84			NETMASK=255.255.255.255
85			BROADCAST=0.0.0.0
86			" > ${IFCFG}:${ifnum}
87			}
88
89
90			function add_ip()
91			{
92			local ip
93			local new_ips
94
95			# In case we are starting VE
96			if [ "x${VE_STATE}" = "xstarting" ]; then
97			setup_network
98			fi
99
100			if [ "x${IPDELALL}" = "xyes" ]; then
101			rm -f ${IFCFG}
102			rm -f ${IFCFG}:[0-9]*
103			fi
104
105			for ip in ${IP_ADDR}; do
106			found=
107			if grep -e "\\<${ip}\\>" >/dev/null 2>&1 ${IFCFG}:*; then
108			continue
109			fi
110			get_free_aliasid
111			create_config ${ip} ${IFNUM}
112			done
113
114			if [ "x${VE_STATE}" = "xrunning" ]; then
115			# synchronyze config files & interfaces
116			/etc/init.d/network restart 2>/dev/null 1>/dev/null
117			fi
118			}
119
120			add_ip
121			exit 0
122			# end of script