Update mssql-backup.sh
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mssql-backup.sh
161
mssql-backup.sh
@ -23,11 +23,14 @@ fi
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: ${LOG_FILE:="/zucchetti/backupdb/backup_log.txt"}
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: ${ERROR_LOG_FILE:="/zucchetti/backupdb/backup_err.txt"}
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: ${REMOTE_DIR:="/BackupDB"}
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: ${DO_LOCAL_BACKUP:=1} # 1 per eseguire il backup locale, 0 per disabilitarlo
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: ${DO_FTP_BACKUP:=1} # 1 per eseguire il backup FTP, 0 per disabilitarlo
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: ${TRUST_CERTIFICATE:=1} # 1 per accettare certificati autofirmati, 0 per richiederli validi
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# Required variables check
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required_vars=(
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"USER" "PASSWORD" "FTP_SERVER" "FTP_USER" "FTP_PASSWORD"
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"SMTP_SERVER" "SMTP_USER" "SMTP_PASS"
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"SMTP_SERVER" "SMTP_USER" "SMTP_PASS" "DO_LOCAL_BACKUP" "DO_FTP_BACKUP"
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)
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for var in "${required_vars[@]}"; do
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@ -42,13 +45,23 @@ DATE=$(LC_TIME=C date +%Y%m%d%H%M%S)
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# Function to get all user databases
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get_all_databases() {
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$SQLCMD -S "$HOST" -U "$USER" -P "$PASSWORD" -h-1 \
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local trust_cert_option=""
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if [ "$TRUST_CERTIFICATE" -eq 1 ]; then
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trust_cert_option="-C"
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fi
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$SQLCMD -S "$HOST" -U "$USER" -P "$PASSWORD" $trust_cert_option -h-1 \
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-Q "SELECT name FROM sys.databases WHERE database_id > 4 AND state = 0 AND is_read_only = 0" \
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-C -b | tr -d ' '
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-W -s"|" | grep -v "rows affected" | grep -v "^-" | grep -v "^$" | tr -d ' '
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}
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# Function to check FTP connection
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check_ftp_connection() {
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# Skip if FTP backup is disabled
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if [ "$DO_FTP_BACKUP" -eq 0 ]; then
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return 0
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fi
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local temp_file=$(mktemp)
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ftp -inv $FTP_SERVER > $temp_file 2>&1 <<EOF
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user $FTP_USER $FTP_PASSWORD
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@ -64,6 +77,11 @@ EOF
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# Function to perform FTP upload with retry mechanism
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perform_ftp_upload() {
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# Skip if FTP backup is disabled
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if [ "$DO_FTP_BACKUP" -eq 0 ]; then
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return 0
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fi
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local source_file="$1"
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local dest_file="$2"
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local max_retries=3
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@ -99,16 +117,24 @@ send_email() {
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local status_message=""
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# Costruisci il messaggio di stato dettagliato
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if [ $LOCAL_STATUS -eq 0 ]; then
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status_message="Local backup: SUCCESS\n"
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if [ "$DO_LOCAL_BACKUP" -eq 1 ]; then
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if [ $LOCAL_STATUS -eq 0 ]; then
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status_message="Local backup: SUCCESS\n"
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else
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status_message="Local backup: FAILED\n"
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fi
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else
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status_message="Local backup: FAILED\n"
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status_message="Local backup: DISABLED\n"
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fi
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if [ $FTP_STATUS -eq 0 ]; then
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status_message+="FTP upload: SUCCESS\n"
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if [ "$DO_FTP_BACKUP" -eq 1 ]; then
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if [ $FTP_STATUS -eq 0 ]; then
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status_message+="FTP upload: SUCCESS\n"
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else
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status_message+="FTP upload: FAILED\n"
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fi
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else
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status_message+="FTP upload: FAILED\n"
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status_message+="FTP upload: DISABLED\n"
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fi
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SUBJECT="Backup [${EMAIL_STATUS}] for $db_name on $SERVER_NAME - $(LC_TIME=C date)"
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@ -136,12 +162,14 @@ perform_backup() {
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BACKUP_FILE="$LOCAL_DB_DIR/${db_name}_backup_$DATE.bak"
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REMOTE_BACKUP_FILE="${db_name}_backup_$DATE.bak"
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# Create local backup directory if it doesn't exist
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mkdir -p "$LOCAL_DB_DIR"
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chown mssql:mssql "$LOCAL_DB_DIR"
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# Create local backup directory if local backup is enabled
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if [ "$DO_LOCAL_BACKUP" -eq 1 ]; then
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mkdir -p "$LOCAL_DB_DIR"
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chown mssql:mssql "$LOCAL_DB_DIR"
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fi
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# Create remote directory on FTP server if it doesn't exist
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if check_ftp_connection; then
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# Create remote directory on FTP server if FTP backup is enabled
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if [ "$DO_FTP_BACKUP" -eq 1 ] && check_ftp_connection; then
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ftp -inv $FTP_SERVER <<EOF >> $LOG_FILE 2>> $ERROR_LOG_FILE
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user $FTP_USER $FTP_PASSWORD
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mkdir "$REMOTE_DB_DIR"
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@ -153,18 +181,28 @@ EOF
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START_TIME=$(date +%s)
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echo "$(LC_TIME=C date): Starting backup for database: $db_name on server $SERVER_NAME" > $LOG_FILE
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# Perform database backup with CHECK option (fixed SQLCMD syntax)
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$SQLCMD -S "$HOST" -U "$USER" -P "$PASSWORD" \
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-Q "BACKUP DATABASE [$db_name] TO DISK = N'$BACKUP_FILE' WITH CHECKSUM, COMPRESSION, INIT" \
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-C -b >> $LOG_FILE 2>> $ERROR_LOG_FILE
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# Perform local backup if enabled
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if [ "$DO_LOCAL_BACKUP" -eq 1 ]; then
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local trust_cert_option=""
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if [ "$TRUST_CERTIFICATE" -eq 1 ]; then
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trust_cert_option="-C"
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fi
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$SQLCMD -S "$HOST" -U "$USER" -P "$PASSWORD" $trust_cert_option \
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-Q "BACKUP DATABASE [$db_name] TO DISK = N'$BACKUP_FILE' WITH CHECKSUM, COMPRESSION, INIT" \
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-b >> $LOG_FILE 2>> $ERROR_LOG_FILE
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# Check if the local backup was successful
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if [ $? -eq 0 ] && [ -f "$BACKUP_FILE" ]; then
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LOCAL_STATUS=0
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echo "$(LC_TIME=C date): Local backup completed successfully for $db_name." >> $LOG_FILE
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# Check if the local backup was successful
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if [ $? -eq 0 ] && [ -f "$BACKUP_FILE" ]; then
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LOCAL_STATUS=0
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echo "$(LC_TIME=C date): Local backup completed successfully for $db_name." >> $LOG_FILE
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else
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LOCAL_STATUS=1
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echo "$(LC_TIME=C date): Error during local backup of $db_name. Check error log." >> $LOG_FILE
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fi
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else
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LOCAL_STATUS=1
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echo "$(LC_TIME=C date): Error during local backup of $db_name. Check error log." >> $LOG_FILE
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LOCAL_STATUS=0
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echo "$(LC_TIME=C date): Local backup disabled for $db_name." >> $LOG_FILE
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fi
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# End time and duration
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@ -175,35 +213,40 @@ EOF
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echo "End time: $(LC_TIME=C date -d @$END_TIME)" >> $LOG_FILE
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echo "Duration: $((DURATION / 60)) minutes and $((DURATION % 60)) seconds" >> $LOG_FILE
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# Upload backup to remote FTP server only if local backup was successful
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if [ $LOCAL_STATUS -eq 0 ]; then
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echo "$(LC_TIME=C date): Starting FTP upload for $db_name." >> $LOG_FILE
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if ! check_ftp_connection; then
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FTP_STATUS=1
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echo "$(LC_TIME=C date): Cannot establish FTP connection. Upload failed." >> $LOG_FILE
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echo "FTP connection failed - Cannot connect to server" >> $ERROR_LOG_FILE
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else
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if perform_ftp_upload "$BACKUP_FILE" "$REMOTE_BACKUP_FILE"; then
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FTP_STATUS=0
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echo "$(LC_TIME=C date): FTP upload completed successfully for $db_name." >> $LOG_FILE
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else
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# Upload backup to remote FTP server if enabled and local backup was successful
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if [ "$DO_FTP_BACKUP" -eq 1 ]; then
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if [ "$DO_LOCAL_BACKUP" -eq 0 ] || [ $LOCAL_STATUS -eq 0 ]; then
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echo "$(LC_TIME=C date): Starting FTP upload for $db_name." >> $LOG_FILE
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if ! check_ftp_connection; then
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FTP_STATUS=1
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echo "$(LC_TIME=C date): Error during FTP upload for $db_name. Check error log." >> $LOG_FILE
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echo "$(LC_TIME=C date): Cannot establish FTP connection. Upload failed." >> $LOG_FILE
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echo "FTP connection failed - Cannot connect to server" >> $ERROR_LOG_FILE
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else
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if perform_ftp_upload "$BACKUP_FILE" "$REMOTE_BACKUP_FILE"; then
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FTP_STATUS=0
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echo "$(LC_TIME=C date): FTP upload completed successfully for $db_name." >> $LOG_FILE
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else
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FTP_STATUS=1
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echo "$(LC_TIME=C date): Error during FTP upload for $db_name. Check error log." >> $LOG_FILE
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fi
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fi
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else
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echo "$(LC_TIME=C date): Skipping FTP upload due to local backup failure." >> $LOG_FILE
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FTP_STATUS=1
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fi
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else
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echo "$(LC_TIME=C date): Skipping FTP upload due to local backup failure." >> $LOG_FILE
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FTP_STATUS=1
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FTP_STATUS=0
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echo "$(LC_TIME=C date): FTP upload disabled for $db_name." >> $LOG_FILE
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fi
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# Local retention policy
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if [ $LOCAL_STATUS -eq 0 ]; then
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# Local retention policy if local backup is enabled
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if [ "$DO_LOCAL_BACKUP" -eq 1 ] && [ $LOCAL_STATUS -eq 0 ]; then
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find "$LOCAL_DB_DIR" -name "${db_name}_backup_*.bak" -type f -mtime +$RETENTION -delete >> $LOG_FILE 2>> $ERROR_LOG_FILE
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fi
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# Remote retention policy
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if [ $FTP_STATUS -eq 0 ]; then
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# Remote retention policy if FTP backup is enabled
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if [ "$DO_FTP_BACKUP" -eq 1 ] && [ $FTP_STATUS -eq 0 ]; then
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echo "$(LC_TIME=C date): Performing remote retention check." >> $LOG_FILE
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temp_list_file=$(mktemp)
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@ -237,13 +280,29 @@ EOF
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rm -f $temp_list_file
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fi
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# Determine email status
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if [ $LOCAL_STATUS -eq 0 ] && [ $FTP_STATUS -eq 0 ]; then
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EMAIL_STATUS="SUCCESS"
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elif [ $LOCAL_STATUS -eq 1 ] && [ $FTP_STATUS -eq 1 ]; then
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EMAIL_STATUS="FAILED"
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# Determine email status based on enabled backups
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if [ "$DO_LOCAL_BACKUP" -eq 1 ] && [ "$DO_FTP_BACKUP" -eq 1 ]; then
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if [ $LOCAL_STATUS -eq 0 ] && [ $FTP_STATUS -eq 0 ]; then
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EMAIL_STATUS="SUCCESS"
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elif [ $LOCAL_STATUS -eq 1 ] && [ $FTP_STATUS -eq 1 ]; then
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EMAIL_STATUS="FAILED"
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else
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EMAIL_STATUS="WARNING"
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fi
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elif [ "$DO_LOCAL_BACKUP" -eq 1 ]; then
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if [ $LOCAL_STATUS -eq 0 ]; then
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EMAIL_STATUS="SUCCESS"
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else
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EMAIL_STATUS="FAILED"
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fi
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elif [ "$DO_FTP_BACKUP" -eq 1 ]; then
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if [ $FTP_STATUS -eq 0 ]; then
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EMAIL_STATUS="SUCCESS"
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else
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EMAIL_STATUS="FAILED"
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fi
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else
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EMAIL_STATUS="WARNING"
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EMAIL_STATUS="DISABLED"
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fi
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# Send email with log
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@ -272,4 +331,4 @@ if [ -z "$1" ]; then
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else
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perform_backup "$1"
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exit $?
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fi
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fi
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