elks-enhanced - XT-Emporium

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#
# Quick configure /bootopts and /etc/hosts files
#
# Usage: setup node_number [bootopts_enable_string]
#	sets last digits of LOCALIP and HOSTNAME to node_number
#	uncomment matching /bootopts lines
#

# defaults
network=10.0.2
bootopts=/bootopts
hosts=/etc/hosts

# 1st arg is node number
if test "$#" -lt 1; then
  echo "Usage: setup node_number [bootops_enable_string]"
  echo
  cat $bootopts
  cat $hosts
  exit 0
fi
id=$1

# 2nd arg matchstr
match_str=SEDNOMATCH
if test "$#" -ge 2; then match_str=$2; fi

# template strings
hostname=elks$id
localip=$network.$id
gateway=$network.2

# rewrite /bootopts
sed -e "s/.*LOCALIP=.*/LOCALIP=$localip/" -e "s/.*HOSTNAME=.*/HOSTNAME=$hostname/" \
	-e "s/#\(.*$match_str.*\)/\1/" < $bootopts > /tmp/bootopts
mv /tmp/bootopts $bootopts

# rewrite /etc/hosts
cat << EOF > $hosts
#127.0.0.1	localhost
$network.$id	elks$id
$network.15	elks15
$network.16	elks16
$network.17	elks17
$gateway	gateway
EOF

# display results
cat $bootopts
cat $hosts
sync

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