subnet_config.sh

#!/bin/bash

# All subnets are definded here.
# Whenever an ip is needed this file is loaded


set -o errexit
set -o pipefail
set -o nounset

subnet_group () {
  local n_grp="$1"

  echo "${n_grp}"".0.0.0/8"
}

subnet_host_router () {
  local n_grp="$1" n_router="$2" device="$3"

  if [ "$device" = "host" ] ; then

    echo "${n_grp}"".""$(($n_router+101))"".0.1/24"

  elif [ "$device" = "router" ] ; then

    echo "${n_grp}"".""$(($n_router+101))"".0.2/24"

  elif [ "$device" = "bridge" ] ; then

    echo "${n_grp}"".""$(($n_router+101))"".0.0/24"

  fi
}

subnet_l2_router () {
  local n_grp="$1" l2_id="$2"

  echo "${n_grp}"".$((200+$l2_id)).0.0/16"
}

subnet_l2 () {
  local n_grp="$1" l2_id="$2" vlan="$3" n_host="$4"

  echo "${n_grp}"".$((200+$l2_id)).$vlan.$n_host/24"
}

gw_l2_ () {
  local n_grp="$1" vlan="$2" n_host="$3"

  echo "${n_grp}"".200.$vlan.$n_host/24"
}

subnet_l2_router_ipv6 () {
  local n_grp="$1" l2_id="$2"

  echo "${n_grp}"":$((200+$l2_id))::/32"
}

subnet_l2_ipv6 () {
  local n_grp="$1" l2_id="$2" vlan="$3" n_host="$4"

  echo "${n_grp}"":$((200+$l2_id)):$vlan::$n_host/48"
}

subnet_router () {
  local n_grp="$1" n_router="$2"

  echo "${n_grp}"".""$(($n_router+151))"".0.1/24"
}

subnet_router_router_intern () {
  local n_grp="$1" n_net="$2" device="$3"

  if [ "${device}" = "1" ] ; then

    echo "${n_grp}"".0."$((${n_net}+1))".1/24"

  elif [ "${device}" = "2" ] ; then

    echo "${n_grp}"".0."$((${n_net}+1))".2/24"

  elif [ "${device}" = "bridge" ] ; then

    echo "${n_grp}"".0."$((${n_net}+1))".0/24"

  fi
}

subnet_router_router_extern () {
    local n_net="$1" device="$2"

    mod=$((${n_net} % 100))
    div=$((${n_net} / 100))

    if [ "${device}" = "1" ] ; then

        echo "179."${div}"."${mod}".1/24"

    elif [ "${device}" = "2" ] ; then

        echo "179."${div}"."${mod}".2/24"

    elif [ "${device}" = "bridge" ] ; then

        echo "179."${div}"."${mod}".0/24"

    fi
}

subnet_router_IXP () {
  local n_grp="$1" n_ixp="$2" device="$3"

  if [ "${device}" = "group" ] ; then

    echo "180."${n_ixp}".0."${n_grp}"/24"

  elif [ "${device}" = "IXP" ] ; then

    echo "180."${n_ixp}".0."${n_ixp}"/24"

  elif [ "${device}" = "bridge" ] ; then

    echo "180."${n_ixp}".0.0/24"

  fi
}

subnet_router_MEASUREMENT () {
  local n_grp="$1" device="$2"

  if [ "${device}" = "group" ] ; then

    echo "${n_grp}"".0.199.1/24"

  elif [ "${device}" = "measurement" ] ; then

    echo "${n_grp}"".0.199.2/24"

  elif [ "${device}" = "bridge" ] ; then

    echo "${n_grp}"".0.199.0/24"

  fi
}

subnet_router_MATRIX () {
  local n_grp="$1" device="$2"

  if [ "${device}" = "group" ] ; then

    echo "${n_grp}"".0.198.1/24"

elif [ "${device}" = "matrix" ] ; then

    echo "${n_grp}"".0.198.2/8"

  elif [ "${device}" = "bridge" ] ; then

    echo "${n_grp}"".0.198.0/24"

  fi
}

subnet_router_DNS () {
  local n_grp="$1" device="$2"

  if [ "${device}" = "group" ] ; then

    echo "198.0.0."${n_grp}"/24"

  elif [ "${device}" = "measurement" ] ; then

    echo "198.0.0.200/24"

  elif [ "${device}" = "dns" ] ; then

    echo "198.0.0.100/24"

  elif [ "${device}" = "bridge" ] ; then

    echo "198.0.0.0/24"

  fi
}

subnet_krill_webserver () {
  local n_grp="$1" device="$2"

  if [ "${device}" = "main_host" ] ; then

    echo "197."${n_grp}".0.2/24"

  elif [ "${device}" = "krill" ] ; then

    echo "197."${n_grp}".0.1/24"

  fi
}


subnet_ext_sshContainer () {
  local n_grp=$1 device="$2"

  if [ "${device}" = "sshContainer" ] ; then

    echo "157.0.0.$(($n_grp+10))/24"

  elif [ "${device}" = "MEASUREMENT" ] ; then

    echo "157.0.0.250/24"

  elif [ "${device}" = "bridge" ] ; then

    echo "157.0.0.1/24"

  fi
}

subnet_sshContainer_groupContainer () {
  local n_grp="$1" n_router="$2" n_layer2="$3" device="$4"

  if [ "${device}" = "sshContainer" ] ; then

    echo "158."$n_grp".0.2/16"

  elif [ "${device}" = "router" ] ; then

    echo "158."$n_grp".$((n_router+10)).1/16"

  elif [ "${device}" = "host" ] ; then

    echo "158."$n_grp".$((n_router+10)).2/16"

  elif [ "${device}" = "L2" ] ; then

    echo "158."$n_grp".$((n_router+10)).$((n_layer2+3))/16"

  elif [ "${device}" = "bridge" ] ; then

    echo "158."$n_grp".0.1/16"

  fi
}

subnet_router_EXABGP_MONITOR () {
  local n_grp="$1" device="$2"
  local identifier=$(($3 * 4))

  if [ "${device}" = "group" ] ; then

    local d_part=$(($identifier + 1))

    echo "${n_grp}"".0.197."${d_part}"/30"

  elif [ "${device}" = "monitor" ] ; then

    local d_part=$(($identifier + 2))

    echo "${n_grp}"".0.197."${d_part}"/30"

  elif [ "${device}" = "bridge" ] ; then

    local d_part=$(($identifier))

    echo "${n_grp}"".0.197."${d_part}"/30"

  elif [ "${device}" = "neighbor" ] ; then

    local d_part=$(($identifier + 1))

    echo "${n_grp}"".0.197."${d_part}""

  elif [ "${device}" = "local-address" ] ; then

    local d_part=$(($identifier + 2))

    echo "${n_grp}"".0.197."${d_part}""

  fi
}