Linuxスクリプト/終了情報

以下はスクリプトとして実行しても機能せず、終了しません。

#!/bin/bash

sudo su - test
export PATH=$PATH:/opt/postgres/9.5/bin
export LD_LIBRARY_PATH=/opt/postgres/9.5/lib

BACKUP_RETENTION=$((7*24*60)) # 1 week
LOG_RETENTION=$((7*24*60)) # 1 week

BACKUP_DIR=/backup/data/pg_backup/
BACKUP_NAME=$BACKUP_DIR"test-db-`date +%Y-%m-%d-%H:%M`.zip"
KEY_AUTH=`cat /var/lib/test/.test_file`
LOG_DIR=/backup/log/
LOG_FILE=$LOG_DIR"test-db-`date +%Y-%m-%d-%H:%M`.log"

echo "Backup :: Script Start -- $(date +%Y-%m-%d_%H:%M)" >> $LOG_FILE
START_TIME=$(date +%s)

dump_name=$BACKUP_DIR$test_`date +%Y%m%d`.dump
pg_dump -c -p 11381 test -f "$dump_name" &&
zip --encrypt -P ${KEY_AUTH} ${BACKUP_NAME} "$dump_name" &&
rm "$dump_name"

# *** Deleting Backup Based on Retention *** #
find $BACKUP_DIR -name "*.zip" -mmin +${BACKUP_RETENTION} -delete

# *** Deleting Logs Based on Retention *** #
find $LOG_DIR -name "*.zip" -mmin +${LOG_RETENTION} -delete

END_TIME=$(date +%s)
ELAPSED_TIME=$(expr $END_TIME - $START_TIME)

echo "Backup :: Script End -- $(date +%Y-%m-%d_%H:%M)" >> $LOG_FILE
echo "Elapsed Time ::  $(date -d 00:00:$ELAPSED_TIME +%Hh:%Mm:%Ss) "  >> $LOG_FILE

exit 0