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[Brijendra Sial]

#!/bin/bash

# DATE: 08/12/2018 Updated for LVM by Brijendra Sial at Bullten Web Hosting Solutions to Works with Centos 7 
# and may work for Centos 6 Based on partition Table.

# This script serves the purpose to work with Modules Factory Proxmox module 
# for WHMCS to do the following things:

# Please note the following things before using this script:
# 1. This script assumes the KVM template image files are located at 
#    /var/lib/vz/images/xxx, where xxx is the numeric vmid;
# 2. This script assumes qemu-nbd is installed on the Proxmox host;
# 3. The virtual machine needs a reboot for the setup to be effective.


IN=$@


IFS=',' read varvmid varhostname varusername varpassword varmac varip varnode <<< "$IN";IFS='=' read var1 vmid <<< "$varvmid";IFS='=' read var2 hostname <<< "$varhostname";IFS='=' read var3 password <<< "$varpassword";IFS='=' read var4 username <<< "$varusername";IFS='=' read var5 macs <<< "$varmac";IFS='=' read var6 ips <<< "$varip";IFS='=' read var7 node <<< "$varnode"


mp=$((vmid%10))
cd "/var/lib/vz/images/${vmid}"
mkdir -p a
qemu-nbd -c /dev/nbd${mp} vm-${vmid}*
pvscan --cache /dev/nbd${mp}p2
vgscan
lvscan
vgchange -ay
mount /dev/centos/root a
cd a


IFS=' ' read ip restip <<< $ips
IFS=' ' read mac restmac <<< $macs
gw=217.182.175.254
mask=255.255.255.255
ns1=213.186.33.99
ns2=8.8.8.8


# Set network
# Redhat & derivatives (CentOS, Scientific Linux, ClearOS...)
if [ -f usr/bin/yum ]; then
cat > etc/sysconfig/network-scripts/ifcfg-eth0 << EOF
DEVICE=eth0
BOOTPROTO=none
ONBOOT=yes
USERCTL=no
IPV6INIT=no
PEERDNS=yes
TYPE=Ethernet
NETMASK=$mask
IPADDR=$ip
GATEWAY=$gw
ARP=yes
HWADDR=$mac
EOF


cat > etc/sysconfig/network-scripts/route-eth0 << EOF
$gw dev eth0
default via $gw dev eth0
EOF


IFS=' ' read -ra ip <<< $restip
for i in ${!ip[*]}; do
cat > etc/sysconfig/network-scripts/ifcfg-eth0:$i <<- EOF
DEVICE="eth0:$i"
ONBOOT="yes"
BOOTPROTO="none"
IPADDR="${ip[$i]}"
NETMASK="$mask"
BROADCAST="${ip[$i]}"
EOF
done


# DNS
cat > etc/resolv.conf << EOF
nameserver $ns1
nameserver $ns2
EOF
fi


cd ..
umount a
vgchange -a n centos
qemu-nbd -d /dev/nbd${mp}
rm -r a