#!/bin/ksh93
# IBM_PROLOG_BEGIN_TAG 
# This is an automatically generated prolog. 
#  
# 61haes_r721 src/43haes/usr/sbin/cluster/sa/sap/sbin/cl_checkIsAliasAddr.sh 1.2.1.4 
#  
# Licensed Materials - Property of IBM 
#  
# Restricted Materials of IBM 
#  
# COPYRIGHT International Business Machines Corp. 2008,2016 
# All Rights Reserved 
#  
# US Government Users Restricted Rights - Use, duplication or 
# disclosure restricted by GSA ADP Schedule Contract with IBM Corp. 
#  
# IBM_PROLOG_END_TAG 
# @(#)87    1.2.1.4  src/43haes/usr/sbin/cluster/sa/sap/sbin/cl_checkIsAliasAddr.sh, hacmp.assist.sap, 61haes_r721, 1617A_hacmp721 4/22/16 05:41:24
##
## NAME:    cl_checkIsAliasAddr
## PURPOSE:
##          Checks if a given addres is an aliased address or not.
##
##
## ARGUMENTS:
##
##  Type:
##      IP Name
##
##
## OUTPUT:
## 
## 
## RETURNS:
##      0 on success
##      1 on failure
##
. /usr/es/lib/ksh93/func_include
typeset version='1.1'

#----------------------------------------------------------------------------
# Global Definitions
#----------------------------------------------------------------------------

. /usr/es/sbin/cluster/sa/sap/etc/SAPGlobals
. /usr/es/sbin/cluster/sa/sap/sbin/SAPUtilities


PATH=$PATH:/usr/es/sbin/cluster/sa/sbin
PATH=$PATH:/usr/es/sbin/cluster/utilities

#----------------------------------------------------------------------------
# Main
#----------------------------------------------------------------------------

IPName=$1

#Return 1 if No IP Address is specified.
[[ -z $IPName ]] && return 1

typeset interface
# Below logic to filter out cases where we have multiple IPNames with same name 
# differentiated only by - or .
# e.g. serviceip, serviceip-1, serviceip.in.ibm.com
# In this case grep -w serviceip will show all the above 3.
# So we need to add more checks to get exactly what we need
/bin/netstat -i | grep -w "$IPName" | while read interface skip skip ip skip;
do
    res=$(echo $ip |cut -f1 -d.)
    if [[ $res == "$IPName" ]]
    then
        break;
    fi
done

[[ -z $interface ]] && return 1

boot_addr=$(odmget -q "name=$interface and attribute=netaddr" CuAt | \
            awk -F= '/value/ {print $2}' | sed "s/\"//g")

[[ -z $boot_addr ]] && return 1

[[ "$IPName" == "$boot_addr" ]] && return 1

return 0