|
1
|
#!/bin/bash
|
|
2
|
# -------------------------------------------------------------------------- #
|
|
3
|
# Copyright 2002-2009, Distributed Systems Architecture Group, Universidad #
|
|
4
|
# Complutense de Madrid (dsa-research.org) #
|
|
5
|
# #
|
|
6
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may #
|
|
7
|
# not use this file except in compliance with the License. You may obtain #
|
|
8
|
# a copy of the License at #
|
|
9
|
# #
|
|
10
|
# http://www.apache.org/licenses/LICENSE-2.0 #
|
|
11
|
# #
|
|
12
|
# Unless required by applicable law or agreed to in writing, software #
|
|
13
|
# distributed under the License is distributed on an "AS IS" BASIS, #
|
|
14
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
|
|
15
|
# See the License for the specific language governing permissions and #
|
|
16
|
# limitations under the License. #
|
|
17
|
#--------------------------------------------------------------------------- #
|
|
18
|
#
|
|
19
|
# Gets IP address from a given MAC
|
|
20
|
mac2ip() {
|
|
21
|
mac=$1
|
|
22
|
|
|
23
|
let ip_a=0x`echo $mac | cut -d: -f 3`
|
|
24
|
let ip_b=0x`echo $mac | cut -d: -f 4`
|
|
25
|
let ip_c=0x`echo $mac | cut -d: -f 5`
|
|
26
|
let ip_d=0x`echo $mac | cut -d: -f 6`
|
|
27
|
|
|
28
|
ip="$ip_a.$ip_b.$ip_c.$ip_d"
|
|
29
|
|
|
30
|
echo $ip
|
|
31
|
}
|
|
32
|
|
|
33
|
# Gets the network part of an IP
|
|
34
|
get_network() {
|
|
35
|
IP=$1
|
|
36
|
|
|
37
|
echo $IP | cut -d'.' -f1,2,3
|
|
38
|
}
|
|
39
|
|
|
40
|
get_interfaces() {
|
|
41
|
IFCMD="/sbin/ifconfig -a"
|
|
42
|
|
|
43
|
$IFCMD | grep ^eth | sed 's/ *Link encap:Ethernet.*HWaddr /-/g'
|
|
44
|
}
|
|
45
|
|
|
46
|
get_dev() {
|
|
47
|
echo $1 | cut -d'-' -f 1
|
|
48
|
}
|
|
49
|
|
|
50
|
get_mac() {
|
|
51
|
echo $1 | cut -d'-' -f 2
|
|
52
|
}
|
|
53
|
|
|
54
|
gen_hosts() {
|
|
55
|
NETWORK=$1
|
|
56
|
echo "127.0.0.1 localhost"
|
|
57
|
for n in `seq -w 01 99`; do
|
|
58
|
n2=`echo $n | sed 's/^0*//'`
|
|
59
|
echo ${NETWORK}.$n2 cluster${n}
|
|
60
|
done
|
|
61
|
}
|
|
62
|
|
|
63
|
gen_exports() {
|
|
64
|
NETWORK=$1
|
|
65
|
echo "/var/nebula/machines ${NETWORK}.0/255.255.255.0(rw,async,no_subtree_check)"
|
|
66
|
}
|
|
67
|
|
|
68
|
gen_hostname() {
|
|
69
|
MAC=$1
|
|
70
|
NUM=`mac2ip $MAC | cut -d'.' -f4`
|
|
71
|
NUM2=`echo 000000$NUM | sed 's/.*\(..\)/\1/'`
|
|
72
|
echo cluster$NUM2
|
|
73
|
}
|
|
74
|
|
|
75
|
gen_interface() {
|
|
76
|
DEV_MAC=$1
|
|
77
|
DEV=`get_dev $DEV_MAC`
|
|
78
|
MAC=`get_mac $DEV_MAC`
|
|
79
|
IP=`mac2ip $MAC`
|
|
80
|
NETWORK=`get_network $IP`
|
|
81
|
|
|
82
|
cat <<EOT
|
|
83
|
DEVICE=$DEV
|
|
84
|
BOOTPROTO=none
|
|
85
|
HWADDR=$MAC
|
|
86
|
ONBOOT=yes
|
|
87
|
TYPE=Ethernet
|
|
88
|
NETMASK=255.255.255.0
|
|
89
|
IPADDR=$IP
|
|
90
|
EOT
|
|
91
|
|
|
92
|
if [ $DEV == "eth0" ]; then
|
|
93
|
echo "GATEWAY=$NETWORK.1"
|
|
94
|
fi
|
|
95
|
|
|
96
|
echo ""
|
|
97
|
}
|
|
98
|
|
|
99
|
IFACES=`get_interfaces`
|
|
100
|
|
|
101
|
for i in $IFACES; do
|
|
102
|
MASTER_DEV_MAC=$i
|
|
103
|
DEV=`get_dev $i`
|
|
104
|
MAC=`get_mac $i`
|
|
105
|
IP=`mac2ip $MAC`
|
|
106
|
NETWORK=`get_network $IP`
|
|
107
|
done
|
|
108
|
|
|
109
|
gen_hosts $NETWORK > /etc/hosts
|
|
110
|
gen_hostname $MAC > /etc/hostname
|
|
111
|
|
|
112
|
for i in $IFACES; do
|
|
113
|
DEV=`get_dev $i`
|
|
114
|
(gen_interface $i) > /etc/sysconfig/network-scripts/ifcfg-${DEV}
|
|
115
|
done
|
|
116
|
|
|
117
|
/bin/hostname `cat /etc/hostname`
|
|
118
|
|