#!/bin/bash

#     Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
#     The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
#     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# 
#    Copyright (c) 2012-2013 by Deon George

# Check our arguments
while getopts ":DF:p:P:u:" opt; do
	case $opt in
		D) DEBUG=1 ;;

		# Filespace to store in TSM
		F) FILESPACE=$OPTARG ;;

		# Mysql PASSWORD
		p) DBPASS=$OPTARG ;;

		# PITDATE to restore
		P) PITDATE=$OPTARG ;;

		# Mysql USERNAME
		u) DBUSER=$OPTARG ;;

		# Error Checking
		\?)
			echo "Invalid option: -$OPTARG" >&2
			exit 1
			;;
		:)
			echo "Option -$OPTARG requires an argument." >&2
			exit 1
			;;
	esac
done
shift $(( $OPTIND -1 ))

# Our defaults
DB=${@:?"You need to specicify a database to restore"}

FILESPACE=${FILESPACE:-"/mysqldump"}

[ -n "$DBPASS" ] && MYSQL_AUTH="-p${DBPASS}"
[ -n "$DBUSER" ] && MYSQL_AUTH="-u${DBUSER} ${MYSQL_AUTH}"

# TSMPIPE ARGUMENTS
[ -n "$PITDATE" ] && TSMPIPE_ARGS="${TSMPIPE_ARGS} -P ${PITDATE}"

OLDIFS=$IFS
IFS=":"

for db in $DB; do
	[ -n "$DEBUG" ] && echo "Processing DB ($db)"

	# Restore from TSM
	tsmpipe -Bxs ${FILESPACE}/${db} -f FULL ${TSMPIPE_ARGS} | mysql ${MYSQL_AUTH} ${db}
done;

IFS=$OLDIFS