如何导入自定义镜像时选择 Customized Linux（定制版镜像）

hostname=iZ23r29djmjZ

password=cXdlcjEyMzQK

eth0_ip_addr=10.171.254.123

eth0_mac_addr=00:8c:fa:5e:14:23

eth0_netmask=255.255.255.0

eth0_gateway=10.171.254.1

eth0_route="10.0.0.0/8 10.171.254.1;172.16.0.0/12 10.171.254.1"

eth1_ip_addr=42.120.74.105

eth1_mac_addr=00:8c:fa:5e:14:24

eth1_netmask=255.255.255.0

eth1_gateway=42.120.74.1

eth1_route="0.0.0.0/0 42.120.74.1"

dns_nameserver="7.7.7.7 8.8.8.8"

hostname=iZ23r29djmjZ

password=cXdlcjEyMzQK

eth0_ip_addr=10.171.254.123

eth0_mac_addr=00:8c:fa:5e:14:23

eth0_netmask=255.255.255.0

eth0_gateway=10.171.254.1

eth0_route="0.0.0.0/0 10.171.254.1"

dns_nameserver="7.7.7.7 8.8.8.8"

#!/bin/bash

### BEGIN INIT INFO

# Provides:          os-conf

# Required-Start:    $local_fs $network $named $remote_fs

# Required-Stop:

# Should-Stop:

# Default-Start:     2 3 4 5

# Default-Stop:      0 1 6

# Short-Description: The initial os-conf job, config the system.

### END INIT INFO

first_partition_dir='/boot/'

os_conf_dir=${first_partition_dir}/aliyun_custom_image

os_conf_file=${os_conf_dir}/os.conf

load_os_conf() {

if [[ -f $os_conf_file ]]; then

. $os_conf_file

return 0

else

return 1

fi

}

cleanup() {

# ensure $os_conf_file is deleted, to avoid repeating config system

rm $os_conf_file >& /dev/null

# ensure $os_conf_dir is exitst

mkdir -p $os_conf_dir

}

config_password() {

if [[ -n $password ]]; then

password=$(echo $password | base64 -d)

if [[ $? == 0 && -n $password ]]; then

echo "root:$password" | chpasswd

fi

fi

}

config_hostname() {

if [[ -n $hostname ]]; then

sed -i "s/^HOSTNAME=.*/HOSTNAME=$hostname/" /etc/sysconfig/network

hostname $hostname

fi

}

config_dns() {

if [[ -n $dns_nameserver ]]; then

dns_conf=/etc/resolv.conf

sed -i '/^nameserver.*/d' $dns_conf

for i in $dns_nameserver; do

echo "nameserver $i" >> $dns_conf

done

fi

}

is_classic_network() {

# vpc: eth0

# classic: eth0 eth1

grep -q 'eth1' $os_conf_file

}

config_network() {

/etc/init.d/network stop

config_interface eth0 ${eth0_ip_addr} ${eth0_netmask} ${eth0_mac_addr}

config_route eth0 ${eth0_route}

if is_classic_network ; then

config_interface eth1 ${eth1_ip_addr} ${eth1_netmask} ${eth1_mac_addr}

config_route eth1 ${eth1_route}

fi

/etc/init.d/network start

}

config_interface() {

local interface=$1

local ip=$2

local netmask=$3

local mac=$4

inteface_cfg="/etc/sysconfig/network-scripts/ifcfg-${interface}"

cat << EOF > $inteface_cfg

DEVICE=$interface

IPADDR=$ip

NETMASK=$netmask

HWADDR=$mac

ONBOOT=yes

BOOTPROTO=static

EOF

}

config_default_gateway() {

local gateway=$1

sed -i "s/^GATEWAY=.*/GATEWAY=$gateway/" /etc/sysconfig/network

}

config_route() {

local interface=$1

local route=$2

route_conf=/etc/sysconfig/network-scripts/route-${interface}

> $route_conf

echo $route | sed 's/;/\n/' | \

while read line; do

dst=$(echo $line | awk '{print $1}')

gw=$(echo $line | awk '{print $2}')

if ! grep -q "$dst" $route_conf 2> /dev/null; then

echo "$dst via $gw dev $interface" >> $route_conf

fi

if [[ "$dst" == "0.0.0.0/0" ]]; then

config_default_gateway $gw

fi

done

}

################## sysvinit service portal ####################

start() {

if load_os_conf ; then

config_password

config_network

config_hostname

config_dns

cleanup

return 0

else

echo "not load $os_conf_file"

return 0

fi

}

RETVAL=0

case "$1" in

    start)

        start

        RETVAL=$?

    ;;

    *)

        echo "Usage: $0 {start}"

        RETVAL=3

    ;;

esac

exit $RETVAL