#!/bin/bash
# IBM(c) 2016 EPL license http://www.eclipse.org/legal/epl-v10.html
#(C)IBM Corp
# Sample Master postscript, designed to be run with or without arguments.

usage()
{
   cat << EOF
   Usage ibm-csm-master options:

   Modifies the csm configuration files (if /etc/ibm/csm/ is empty), then executes the local
   post scripts to reflect the change.

   OPTIONS
     -h            Displays this message
     -c <group>    Sets the xCAT group for the compute nodes (default: compute)
     -a <group>    Sets the xCAT group for the aggregator nodes (default: aggregator)
     -u <group>    Sets the xCAT group for the utility nodes (default: utility)

EOF
}

# Determine the master ip address.
master=$(lsdef -t site clustersite -i master  | awk -F "=" '/master/{print $2}')

# Daemon names.
master_daemon="csmd-master"
aggregator_daemon="csmd-aggregator"

# The node groups for utility, compute, and aggregator.
utility_nodes="utility"
compute_nodes="compute"
aggregator_nodes="aggregator"

# Parse the option strings.
optstring="u:c:a:h"
while getopts $optstring OPTION
do
   case $OPTION in
      u)
	 utility_nodes=$OPTARG;;
      c)
         compute_nodes=$OPTARG;;
      a)
	 aggregator_nodes=$OPTARG;;
      h)		
	 usage; exit 1;;
   esac
done

# Replace the master tags in the configuation files.
if [[ $(ls -l /etc/ibm/csm/ | wc -l) == 0 ]]
then
   echo "here"
   mkdir -p /etc/ibm/csm/
   cp /opt/ibm/csm/share/etc/*  /etc/ibm/csm/
   sed -i "s/__MASTER__/$master/g" /etc/ibm/csm/*
fi

# Start the daemons.
systemctl restart ${master_daemon}
systemctl restart ${aggregator_daemon}

# Run the post scripts on the other nodes.
updatenode ${utility_nodes} -P ibm-csm-utility
#updatenode ${aggregator_nodes} -P ibm-csm-aggregator
updatenode  ${compute_nodes} -P ibm-csm-compute