#!/bin/bash

set -e

if [ -z "$TARGET" -o ! -d "$TARGET" ]; then
  echo "Missing target directory"
  exit 1
fi

if [ ! -d "$TARGET/etc/network" ]; then
  echo "Missing target network directory"
  exit 1
fi

if [ -z "$NIC_COUNT" ]; then
  echo "Missing NIC COUNT"
  exit 1
fi

rm -f $TARGET/etc/udev/rules.d/70-persistent-net.rules

touch $TARGET/etc/udev/rules.d/75-cd-aliases-generator.rules
touch $TARGET/etc/udev/rules.d/75-persistent-net-generator.rules


###########################################
fqdn=$(cat $TARGET/etc/hostname)
echo ${fqdn%%.*} > $TARGET/etc/hostname

###########################################
if [ "$NIC_COUNT" -ge 1 ]; then
  cat > $TARGET/etc/network/interfaces << EOF
# /etc/network/interfaces

auto lo
iface lo inet loopback

EOF
fi


###########################################
###########################################
<% if scope.lookupvar('::cluster').to_s == 'ganeti2.debian.org' -%>

###########################################
if [ "$NIC_COUNT" -ge 1 ]; then
  cat >> $TARGET/etc/network/interfaces << EOF
auto eth0
iface eth0 inet static
  address ${NIC_0_IP}
  netmask 255.255.255.0
  gateway 206.12.19.254

  pre-up /sbin/sysctl -w net.ipv6.conf.\$IFACE.accept_ra=0 || true
  up   ip addr add 2607:f8f0:610:4000:6564:0a62:\$IF_ADDRESS/64 dev \$IFACE
  up   ip r add default via 2607:f8f0:610:4000::1 src 2607:f8f0:610:4000:6564:0a62:\$IF_ADDRESS dev \$IFACE
  down ip r del default via 2607:f8f0:610:4000::1 src 2607:f8f0:610:4000:6564:0a62:\$IF_ADDRESS dev \$IFACE
  down ip addr del 2607:f8f0:610:4000:6564:0a62:\$IF_ADDRESS/64 dev \$IFACE
EOF

fi

###########################################
cat > $TARGET/etc/resolv.conf <<EOF
# /etc/resolv.conf
search debprivate-ubc.debian.org debian.org
nameserver 206.12.19.20
nameserver 206.12.19.21
EOF

###########################################
###########################################
<% elsif scope.lookupvar('::cluster').to_s == 'ganeti-osuosl.debian.org' -%>
#
###########################################
if [ "$NIC_COUNT" -ge 1 ]; then
  cat >> $TARGET/etc/network/interfaces << EOF
auto eth0
iface eth0 inet static
  address ${NIC_0_IP}
  netmask 255.255.255.128
  gateway 140.211.166.1

  pre-up /sbin/sysctl -w net.ipv6.conf.\$IFACE.accept_ra=0 || true
EOF

fi

###########################################
cat > $TARGET/etc/resolv.conf <<EOF
# /etc/resolv.conf
search debian.org
nameserver 140.211.166.130
nameserver 140.211.166.131
EOF

<% elsif scope.lookupvar('::cluster').to_s == 'ganeti3.debian.org' -%>
#
###########################################
if [ "$NIC_COUNT" -ge 1 ]; then
  cat >> $TARGET/etc/network/interfaces << EOF
auto eth0
iface eth0 inet static
  address ${NIC_0_IP}
  netmask 255.255.255.192
  gateway 82.195.75.126

  pre-up /sbin/sysctl -w net.ipv6.conf.\$IFACE.accept_ra=0 || true
EOF

fi

###########################################
cat > $TARGET/etc/resolv.conf <<EOF
# /etc/resolv.conf
search debian.org
nameserver 82.195.75.81
nameserver 82.195.66.239
nameserver 217.198.242.225
EOF

<% else -%>

# No config for cluster <%= scope.lookupvar('::cluster').to_s %>
cp /etc/resolv.conf $TARGET/etc/resolv.conf

<% end -%>




###########################################
if [ "$NIC_COUNT" -ge 2 ]; then
  cat >> $TARGET/etc/network/interfaces << EOF

auto eth1
iface eth1 inet static
  address ${NIC_1_IP}
  netmask 255.255.255.0
EOF

fi

###########################################
# clean up etc/hosts
cat > $TARGET/etc/hosts << EOF
127.0.0.1       localhost
${NIC_0_IP} ${fqdn} ${fqdn%%.*}

# The following lines are desirable for IPv6 capable hosts
::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
EOF

exit 0

# vim:set syn=sh: