Fun With Solaris Zones

AZSAGE and Sun Microsystems is providing you this Solaris Zones
script as a complimentary utility. 

Please use this script at your own risk and test on a QA environment 
first.'




#!/bin/ksh
#
# CHANGE HISTORY
# 11/04/05: changed interface from command line w/ operands to edit-the-script
#           with parameters.
# 04/13/08: New and improved, revamped for zone cloning
# 04/13/08: Change sysidcfg section to "here" document
#
#
# Edit the variables below with config parameters and run.
# Note: zone to be used as base for cloning must be halted...
#
zone_to_be_cloned=myweb2     # Base Zone used for cloning.
nzones=3                     # number of zones to clone
prefix=azsage                # zone prefix name
postfix_zone_num=1           # zone number to start with that will be appended to $prefix
zonepath=/zones              # zonepath    
device=e1000g0               # Interface to use 
netip=192.168.3              # network address for zones (to be combined with "clone_ip") 
clone_ip=1                   # Host IP Address to Start with for these cloned zones
netmask=/24                  # Bits for netmask
zone_root_pw="39rKBRgUaipiA" # zone root password


if [[ ! -d  $zonepath ]]; then
             echo "$zonepath is not a directory"
             exit 1
fi


# Create Zone Configuration file from template, "zonecfg" it and commit it.
i=1
while [ $i -le $nzones ]; do
             ZONENAME=$prefix`expr $postfix_zone_num - 1 + $i`
             zoneadm -z $ZONENAME list > /dev/null 2>&1
             if [ $? != 0 ]; then
                         echo configuring $ZONENAME
                         F=/var/tmp/$ZONENAME.config
                         rm -f $F
                         echo "create -t $zone_to_be_cloned" > $F
                         echo "set zonepath=$zonepath/$ZONENAME" >> $F
                         CLONE_IP=`expr $clone_ip + $i -  1`
                         CLONE_FULL_IP=$netip.$CLONE_IP >> $F
                         # get zone to be cloned's IP to change... 
                         TEMPLATE_IP=`zonecfg -z myweb2 info | grep address | sed 's/address://'`
                         echo "select net address=$TEMPLATE_IP ; set address=$CLONE_FULL_IP${netmask} ; end" >> $F
                         echo "set cpu-shares=10" >> $F
                         echo "verify" >> $F
                         echo "commit" >> $F
                         echo "exit" >> $F
                         zonecfg -z $ZONENAME -f /var/tmp/$ZONENAME.config 2>&1 | sed 's/^/    /g'
             else
                         echo "skipping $ZONENAME, already configured"
             fi
             i=`expr $i + 1`
done

# Perform the "zoneadm zone_name clone"
i=1
while [ $i -le $nzones ]; do
      ZONENAME=$prefix`expr $postfix_zone_num - 1 + $i`
      if [ `zoneadm -z $ZONENAME list -p | \
         cut -d':' -f 3` != "configured" ]; then
         echo "skipping $ZONENAME, already installed"
      else
         echo cloning $zone_to_be_cloned to $ZONENAME
         mkdir -pm 0700 $zonepath/$ZONENAME
         chmod 700 $zonepath/$ZONENAME
         zoneadm -z $ZONENAME clone $zone_to_be_cloned > /dev/null  2>&1 &
      fi
      i=`expr $i + 1`
      wait
done


# Create the sysidcfg file and place it in zone_name/root/etc
i=1
while [ $i -le $nzones ]; do
ZONENAME=$prefix`expr $postfix_zone_num - 1 + $i`
cat > /zones/$ZONENAME/root/etc/sysidcfg  < $zonepath/$ZONENAME/root/etc/default/login

# Uncomment to Allow root ssh
# mv -f $zonepath/$ZONENAME/root/etc/ssh/sshd_config $zonepath/$ZONENAME/root/etc/ssh/sshd_config.ORIG
#sed -e 's/PermitRootLogin no/PermitRootLogin yes/' /etc/ssh/sshd_config >  $zonepath/$ZONENAME/root/etc/ssh/sshd_config

i=`expr $i + 1`
done


# Boot the zones...
i=1
while [ $i -le $nzones ]; do
             ZONENAME=$prefix`expr $postfix_zone_num - 1 + $i`
             echo booting $ZONENAME
             zoneadm -z $ZONENAME boot
             zoneadm -z $ZONENAME list -v
             i=`expr $i + 1`
             wait
done

# Some post-boot zone commands
i=1
while [ $i -le $nzones ]; do
             ZONENAME=$prefix`expr $postfix_zone_num - 1 + $i`
             zlogin  $ZONENAME svcadm disable sendmail
             zlogin  $ZONENAME usermod -s /usr/bin/bash root
             i=`expr $i + 1`
             wait
done