#!/usr/bin/ksh93
# IBM_PROLOG_BEGIN_TAG 
# This is an automatically generated prolog. 
#  
# 61haes_r714 src/43haes/usr/sbin/cluster/sa/db2/sbin/cl_db2node.sh 1.2 
#  
# Licensed Materials - Property of IBM 
#  
# Restricted Materials of IBM 
#  
# COPYRIGHT International Business Machines Corp. 2005 
# 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 
# @(#)43	1.2 src/43haes/usr/sbin/cluster/sa/db2/sbin/cl_db2node.sh, hacmp.assist, 61haes_r714 2/25/05 14:27:34

# Read in the message catalog entries
. /usr/es/sbin/cluster/sa/db2/cat/cl_db2node

# Read in the DB2 defaults
. /usr/es/sbin/cluster/sa/db2/etc/db2_definitions

# Load the common functions, logmsg, dbgmsg, errmsg, abort
. /usr/es/lib/ksh93/common_functions.ksh93

umask -S u=rw,g=,o=
KLIB=/usr/es/lib/ksh93
FPATH=$KLIB/hacmp
PATH=$PATH:/usr/es/sbin/cluster/utilities:/usr/es/sbin/cluster:/usr/es/sbin/cluster/sa/db2/sbin/

if set -- $(getopt g:n:ra $* 2>&1); then

        while [ $# != 0 ]; do
                case "$1" in
			-g)
				# Store the resource group name
				RG=$2
				shift
			;;
                        -a)
				# Add the specified node
				ACTION="ADD"
                        ;;
                        -r)
				# Remove the specified node
				ACTION="REMOVE"
                        ;;
			-n)
				# Node to add or remove
				NODE=$2
				shift
			;;
                        --)
                                shift
                                break
                        ;;
                esac
                shift
        done
fi

if [[ -z $RG ]]; then
	# Show the usage statement
	abort 1 $SCRIPT_NAME 
fi

if [[ "$ACTION" == "ADD" ]]; then
	if [[ -z $NODE ]]; then
		abort 2 $RG
	fi

	#
	# Check to ensure the node doesn't already exist in the group
	#
	KLIB_HACMP_is_node_in_group $RG $NODE
	if (( $? == 0 )); then
		abort 3 $NODE $RG
	fi

	#
	# If the node is not known to the hacmp configuration, then add it
	#
	KLIB_HACMP_is_known_node $NODE
	if (( $? != 0 )); then
		errmsg 4 $NODE
		new_node=$(KLIB_HACMP_discover_nodes $DB2_DEFAULT_CLUSTER_NAME NODE)
		if [[ -z "$new_node" ]]; then
			abort 5 $NODE $RG $NODE
		fi
	fi
	KLIB_HACMP_add_node_to_group $RG $NODE
	if (( $? != 0 )); then
		abort 6 $NODE $RG
	fi
	errmsg 7 $NODE $RG
	exit 0
fi

if [[ "$ACTION" == "REMOVE" ]]; then
	if [[ -z $NODE ]]; then
		abort 8 $RG
	fi

	KLIB_HACMP_remove_node_from_group $RG $NODE
	if (( $? != 0 )); then
		abort 9 $NODE $RG
	fi
	errmsg 10 $NODE $RG
	exit 0
fi

# Show the usage statement
abort 1 $SCRIPT_NAME