仮想化環境のネットワーク設定とゲストインストールガイド

virt-manager

ifconfig

   vnet0      Link encap:Ethernet  HWaddr 00:00:00:00:00:00
              inet addr:192.168.222.1  Bcast:192.168.222.255  Mask:255.255.255.0
              inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0

              TX packets:28 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0
              RX bytes:0 (0.0 b)  TX bytes:7782 (7.5 KiB)
    
    vnet1      Link encap:Ethernet  HWaddr 00:00:00:00:00:00
              inet addr:192.168.100.1  Bcast:192.168.100.255  Mask:255.255.255.0
              inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:27 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0
              RX bytes:0 (0.0 b)  TX bytes:7712 (7.5 KiB)

#START of node01_ks.cfg
install
text
reboot
#uncomment the line you want to use
# for nfs
nfs --server=192.168.222.1 --dir=/var/ftp/pub/centos5u1
##url --url ftp://:@/
# this will be an anonymous ftp access
#url --url ftp://192.168.222.1/pub/centos5u1/i386
#key --skip
lang en_US.UTF-8
keyboard us
skipx
# private
network --device eth1 --bootproto static --ip 192.168.100.10 --netmask 255.255.255.0 
# public - disabled on initial install
network --device eth0 --bootproto static --ip 192.168.222.10 --netmask 255.255.255.0 --gateway 192.168.222.1 --nameserver 192.168.222.1 --hostname node01.example.com
## password is n0de01pass
rootpw --iscrypted $1$Lqk1Y$Y8TIWCMLiiPjVt1GjRS0F1
## password is n0de02pass
#rootpw --iscrypted $1$Rn47b$DDwgrOv3IFGf3HVhsxv9X0
firewall --disabled
authconfig --enableshadow --enablemd5
selinux --disabled
timezone --utc Asia/Singapore
services --disabled ipsec,iptables,bluetooth,hplip,firstboot,cups,sendmail,xfs
bootloader --location=mbr --driveorder=xvda,xvdb --append="rhgb quiet"
clearpart --all --initlabel --drives=xvda
part /boot --fstype ext3 --size=100 --ondisk=xvda
part pv.2 --size=0 --grow --ondisk=xvda
volgroup VolGroup00 --pesize=32768 pv.2
logvol swap --fstype swap --name=LogVol01 --vgname=VolGroup00 --size=1000 --grow --maxsize=1984
logvol / --fstype ext3 --name=LogVol00 --vgname=VolGroup00 --size=1024 --grow
%packages
@development-libs
@system-tools
@gnome-software-development
@text-internet
@x-software-development
@dns-server
@core
@authoring-and-publishing
@base
@ftp-server
@network-server
@legacy-software-development
@java
@legacy-software-support
@smb-server
@base-x
@web-server
@printing
@server-cfg
@sql-server
@admin-tools
@development-tools
emacs
lsscsi
gnutls-utils
hwbrowser
audit
iptraf
mesa-libGLU-devel
kexec-tools
device-mapper-multipath
vnc-server
xorg-x11-utils
xorg-x11-server-Xnest
xorg-x11-server-Xvfb
imake
iscsi-initiator-utils
ypserv
-sysreport

%post
cat <> /etc/hosts
# private  or replace with nodeXY-
192.168.100.10  node01-priv
192.168.100.20  node02-priv
192.168.100.1   node00-priv

#public or replace with nodeXY
192.168.222.10 node01
192.168.222.20 node02
192.168.222.1  node00
EOT

# yum local repo
mv /etc/yum.repos.d/*.repo /tmp
cat > /etc/yum.repos.d/centos5.repo << EOF
[centos5-Server]
name=CEntos5 Server
baseurl=http://node00/centos5u1/i386
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
EOF

#change default runlevel
ed /etc/inittab << EOF

,s/id:5:initdefault:/id:3:initdefault:/g
.
w
EOF

# vncserver stuff
cat << EOT > /opt/vnc_xstartup
#!/bin/sh

# run vncserver and copy to your $HOME/.vnc/xstartup file
# Uncomment the following two lines for normal desktop:
# unset SESSION_MANAGER
# exec /etc/X11/xinit/xinitrc

[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup

[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
xsetroot -solid grey
vncconfig -iconic &
xterm -geometry 130x30+12+12 -ls -bg black -fg green -title "$VNCDESKTOP Desktop" &
mwm &
EOT
# END of nod01_ks.cfg

#!/usr/bin/python
# macgen.py script to generate a MAC address for Red Hat Virtualization guests
import random
#
def randomMAC():
   mac = [ 0x00, 0x16, 0x3e,
     random.randint(0x00, 0x7f),

     random.randint(0x00, 0xff),
     random.randint(0x00, 0xff) ]
   return ':'.join(map(lambda x: "%02x" % x, mac))
#
print randomMAC()
# careful with the indention
# this is from the Virtualization guide from redhat.com
# http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5.2/html/Virtualization/index.html

node01 NICs  
# for eth0 . public1  
[root@node00 ~]# ./macgen.py  
00:16:3e:33:32:07  
# for eth1 . private1  
[root@ node00 ~]# ./macgen.py  
00:16:3e:55:6b:83

virt-install -p -n node01 -r 768 -f /dev/Virtual00VG/lvNODE01 -m 00:16:3e:33:32:07 \  
-w network:public1 -m 00:16:3e:55:6b:83 -w network:private1 \  
-l nfs:192.168.222.1:/var/ftp/pub/centos5u1/i386 \  
-x "ksdevice=eth0 ks=http://192.168.222.1/centos5u1/node01_ks.cfg" --vnc

virt-install -p -n node02 -r 768 -f /dev/Virtual00VG/lvNODE02 -m 00:16:3e:1e:05:b6 \  
-w network:public1 -m 00:16:3e:40:3d:b0 -w network:private1 \  
-l nfs:192.168.222.1:/var/ftp/pub/centos5u1/i386 \  
-x "ksdevice=eth0 ks=http://192.168.222.1/centos5u1/node02_ks.cfg" --vnc