#!/bin/bash
#
# Create a brandz zone to use for the JDS Common Build Environment
# After you run this script do not boot this zone. Use it to clone
# other zones.
#
PATH=/usr/xpg4/bin:/usr/bin:/usr/sbin:/sbin:/usr/ccs/bin

# Name of the zone which we will clone. Not this clone does not
# get booted
zname=jdsclone

# Local users to include in zone
# The homedirs are mounted from the global zone
xusers="jdsbuild"

# Brand configuration
brand=cbe
brandcfg=/usr/lib/brand

# ZFS filesystem to put the zone in
zonebase=/export/zones

###################################################################
zfsbase="$(zfs get mountpoint | nawk -v p="$zonebase" '$3==p {
    printf  "%s\n",$1}')"

[ "$zfsbase" = "" ] && {
   echo "Error: $zonebase is not a ZFS filesystem"
   exit 1
}

zroot="$zonebase/$zname/root"
[  -d "$zroot" ] && {
   echo "Error: $zroot already exists"
   exit 1
}

[ ! -d /opt/jdsbld ] && {
   echo "Error: You have not installed the cbe at /opt/jdsbld?"
   exit 1
}

[ ! -d /opt/SUNWspro ] && {
    echo "Error: Have you installed Sun Studio?"
    exit 1
}

grep -q "^${zname}:" /etc/zones/index && {
    echo "Error: The zone ${zname} already exists"
    exit 1
}

[ ! -d $brandcfg/$brand ] && {
    mkdir -p $brandcfg/$brand
    cp -p $brandcfg/native/postclone $brandcfg/$brand
    sed -e "s/native/$brand/" $brandcfg/native/config.xml \
	> $brandcfg/$brand/config.xml
    sed -e "s/native/$brand/" $brandcfg/native/platform.xml \
	> $brandcfg/$brand/platform.xml
}

[ -f /etc/zones/OSOL${brand}.xml ] && {
    echo "Error: /etc/zones/OSOL${brand}.xml already exists."
    exit 1
}

#
# This mess is code to produce a zone template
#
cat > /etc/zones/OSOL${brand}.xml << EOM
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE zone PUBLIC "-//Sun Microsystems Inc//DTD Zones//EN" "file:///usr/share/lib/xml/dtd/zonecfg.dtd.1">
<zone name="blank" zonepath="" autoboot="true" brand="$brand">
  <inherited-pkg-dir directory="/opt/staroffice8"/>
  <inherited-pkg-dir directory="/opt/jdsbld"/>

  <filesystem special="/opt/SUNWspro" directory="/opt/SUNWspro" type="lofs">
    <fsoption name="nodevice"/>
  </filesystem>

EOM

for i in $xusers
do
    HOME="$(grep "^$i:" /etc/passwd | awk -F: '{print $6}')"
    [ "$HOME" != "" ] && {
	printf "  <filesystem special=\"%s\" directory=\"%s\" type=\"lofs\">\n" $HOME $HOME
	printf "    <fsoption name=\"nodevice\"/>\n"
	printf "  </filesystem>\n\n"
    } >> /etc/zones/OSOL${brand}.xml
done

printf "</zone>\n" >> /etc/zones/OSOL${brand}.xml

(
    printf "create -t OSOL%s\n" $brand
    printf "set zonepath=%s/%s\n" $zonebase $zname
    printf "set autoboot=false\n"
    printf "commit\n"
    printf "exit\n"
) | zonecfg -z $zname > /dev/null 2>&1


grep -q "^${zname}:configured:" /etc/zones/index || {
    echo "Error: Could not configure zone"
    exit 1
}

zoneadm -z $zname install

[ "$zroot" = "" -o "$zroot" = "/" -o ! -d "$zroot" ] && {
    echo "The rootpath for the zone is nor correct"
    exit 1
}

[ -x "/root/.bash_profile" ] && {
    mkdir -m 0700 $zroot/root && cp ~/.bash_profile $zroot/root
}

zusers=$(nawk -F: -v users="$xusers" '
{
    print $1
}
END {
    printf "%s\n",users
}' < $zroot/etc/passwd)

for f in /etc/passwd /etc/shadow
do
    for i in $zusers
    do
	/usr/xpg4/bin/grep -q "^${i}:" $zroot/$f || {
	    /usr/xpg4/bin/grep "^${i}:" $f
	}
    done > $zroot/$f
done

for i in $xusers
do
    /usr/xpg4/bin/grep -q "^${i}:" $zroot/etc/user_attr || {
	/usr/xpg4/bin/grep "^${i}:" /etc/user_attr >> $zroot/etc/user_attr
    }
done


tz="$(/usr/bin/nawk -F= '/^TZ/ {print $2}' /etc/TIMEZONE)"
rpass="$(/usr/bin/nawk -F: '/^root:/ {print $2}' /etc/shadow)"

cat > $zroot/etc/sysidcfg << EOM 
system_locale=${LANG}
terminal=xterm
timezone=${tz}
network_interface=NONE { hostname=$zname }
name_service=NONE
root_password=${rpass}
EOM