root / example / instance-image.d / interfaces @ e84e87cd
History | View | Annotate | Download (2.9 kB)
1 |
#!/bin/bash |
---|---|
2 |
|
3 |
# This is an example script that configures your network settings after |
4 |
# installation. By default it sets it up to use dhcp. |
5 |
|
6 |
. common.sh |
7 |
|
8 |
if [ "${DEBUG_LEVEL} " = 1 ] ; then |
9 |
set -x |
10 |
fi |
11 |
|
12 |
DIG="$(which dig)" |
13 |
OS_TYPE="" |
14 |
FQDN="" |
15 |
|
16 |
# discover fqdn name using dig |
17 |
if [ -n "$NIC_0_IP" -a -n "${DIG}" ] ; then |
18 |
FQDN="$(${DIG} -x ${NIC_0_IP} +short | sed -e 's/\.$//')" |
19 |
fi |
20 |
|
21 |
if [ -z "${TARGET}" -o ! -d "${TARGET}" ] ; then |
22 |
echo "Missing target directory" |
23 |
exit 1 |
24 |
fi |
25 |
|
26 |
if [ -z "${NIC_COUNT}" ] ; then |
27 |
echo "Missing NIC_COUNT" |
28 |
exit 1 |
29 |
fi |
30 |
|
31 |
if [ -e ${TARGET}/etc/redhat-release ] ; then |
32 |
OS_TYPE="redhat" |
33 |
elif [ -e ${TARGET}/etc/debian_version ] ; then |
34 |
OS_TYPE="debian" |
35 |
elif [ -e ${TARGET}/etc/gentoo-release ] ; then |
36 |
OS_TYPE="gentoo" |
37 |
elif [ -e ${TARGET}/etc/SuSE-release ] ; then |
38 |
OS_TYPE="suse" |
39 |
fi |
40 |
|
41 |
debian_setup() { |
42 |
if [ ! -d "${TARGET}/etc/network" ] ; then |
43 |
echo "Missing target network directory" |
44 |
exit 1 |
45 |
fi |
46 |
cat > ${TARGET}/etc/network/interfaces << EOF |
47 |
# This file describes the network interfaces available on your system |
48 |
# and how to activate them. For more information, see interfaces(5). |
49 |
|
50 |
auto lo |
51 |
iface lo inet loopback |
52 |
|
53 |
auto eth0 |
54 |
iface eth0 inet dhcp |
55 |
|
56 |
EOF |
57 |
|
58 |
if [ -n "${FQDN}" ] ; then |
59 |
echo "${FQDN}" > ${TARGET}/etc/hostname |
60 |
fi |
61 |
} |
62 |
|
63 |
redhat_setup() { |
64 |
if [ ! -d "${TARGET}/etc/sysconfig/network-scripts" ] ; then |
65 |
echo "Missing target network directory" |
66 |
exit 1 |
67 |
fi |
68 |
cat > ${TARGET}/etc/sysconfig/network-scripts/ifcfg-eth0 << EOF |
69 |
DEVICE=eth0 |
70 |
BOOTPROTO=dhcp |
71 |
HWADDR=${NIC_0_MAC} |
72 |
ONBOOT=yes |
73 |
EOF |
74 |
|
75 |
if [ -n "${FQDN}" ] ; then |
76 |
cat > ${TARGET}/etc/sysconfig/network << EOF |
77 |
NETWORKING=yes |
78 |
HOSTNAME=${FQDN} |
79 |
EOF |
80 |
else |
81 |
cat > ${TARGET}/etc/sysconfig/network << EOF |
82 |
NETWORKING=yes |
83 |
EOF |
84 |
fi |
85 |
} |
86 |
|
87 |
gentoo_setup() { |
88 |
if [ ! -f "${TARGET}/etc/conf.d/net" ] ; then |
89 |
echo "Missing target network file" |
90 |
exit 1 |
91 |
fi |
92 |
cat > ${TARGET}/etc/conf.d/net << EOF |
93 |
config_eth0=( "dhcp" ) |
94 |
EOF |
95 |
chroot ${TARGET} rc-update add net.eth0 default |
96 |
|
97 |
if [ -n "${FQDN}" ] ; then |
98 |
cat > ${TARGET}/etc/conf.d/hostname << EOF |
99 |
HOSTNAME=\"${FQDN}\" |
100 |
EOF |
101 |
fi |
102 |
} |
103 |
|
104 |
suse_setup() { |
105 |
if [ ! -d ${TARGET}/etc/sysconfig/network ] ; then |
106 |
echo "Missing target network directory" |
107 |
exit 1 |
108 |
fi |
109 |
cat > ${TARGET}/etc/sysconfig/network/ifcfg-eth0 << EOF |
110 |
BOOTPROTO=\'dhcp4\' |
111 |
LLADDR=\'${NIC_0_MAC}\' |
112 |
STARTMODE=\'auto\' |
113 |
NAME=\'Ethernet Card 0\' |
114 |
EOF |
115 |
if [ -n "${FQDN}" ] ; then |
116 |
echo "${FQDN}" > ${TARGET}/etc/HOSTNAME |
117 |
fi |
118 |
} |
119 |
|
120 |
if [ "${NIC_COUNT}" -gt 0 ] ; then |
121 |
case "${OS_TYPE}" in |
122 |
debian) |
123 |
debian_setup |
124 |
;; |
125 |
redhat) |
126 |
redhat_setup |
127 |
;; |
128 |
gentoo) |
129 |
gentoo_setup |
130 |
;; |
131 |
suse) |
132 |
suse_setup |
133 |
;; |
134 |
*) |
135 |
echo "Unsupported OS_TYPE" |
136 |
exit 1 |
137 |
;; |
138 |
esac |
139 |
fi |
140 |
|
141 |
exit 0 |