#!/bin/sh
# preinst script for #PACKAGE#
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <new-preinst> `install'
#        * <new-preinst> `install' <old-version>
#        * <new-preinst> `upgrade' <old-version>
#        * <old-preinst> `abort-upgrade' <new-version>
# for details, see https://www.debian.org/doc/debian-policy/ or
# the debian-policy package


case "$1" in
    install|upgrade)
      
        [ -z "$NODE_ID" ] && export NODE_ID=$(ip -4 -br addr | grep 10.0. | awk '{ print $3 }' | awk 'BEGIN{FS="[./]"} { print $4 }')

        MGMT_ID=$(ip -4 -br addr | grep 10.0. | awk '{ print $3 }' | awk 'BEGIN{FS="[./]"} { print $3 }')
        MGMT_MAC=$(ip -br link show dev $(ip -4 -br addr | grep 10.0. | awk '{ print $1 }') | awk '{ print $3 }')


        [ "$MGMT_ID" -ge  0 -a "$MGMT_ID" -lt 16 ] && export DOMAINNAME=.usw1.wit.com
        [ "$MGMT_ID" -ge 16 -a "$MGMT_ID" -lt 32 ] && export DOMAINNAME=.usw2.wit.com


        [ ${HOSTNAME:0:1} = h ] && export HOSTTYPE=hypervisor
        [ ${HOSTNAME:0:1} = d ] && export HOSTTYPE=datanode


        [ $HOSTTYPE = hypervisor -a $DOMAINNAME = .usw1.wit.com ] && export TIER_ID=2
        [ $HOSTTYPE = datanode   -a $DOMAINNAME = .usw1.wit.com ] && export TIER_ID=4
        [ $HOSTTYPE = hypervisor -a $DOMAINNAME = .usw2.wit.com ] && export TIER_ID=18
        [ $HOSTTYPE = datanode   -a $DOMAINNAME = .usw2.wit.com ] && export TIER_ID=20


        if [ -z "$TIER_ID" ]; then
            echo "Unable to autodetect TIER_ID, looks like we deal with a special node, please set in environment"
            exit 2
        fi
        if [ -z "$DOMAINNAME" ]; then
            echo "Unable to autodetect DOMAINNAME, looks like we deal with a special case, please set in environment and/or update the code"
            exit 2
        fi


    ;;

    abort-upgrade)
    ;;

    *)
        echo "preinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0