Update mssql-backup.sh
Corretto stato mail esito backup, aggiunta possibilità di fare il backup di tutti i Databases presenti nel server se non viene specificato un Database come opzione.
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mssql-backup.sh
364
mssql-backup.sh
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# Script per il backup di database MS SQL Server
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# Script per il backup di database MS SQL Server
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# Autore: Lorenzo Paciotti & Mattia Tadini
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# Autore: Lorenzo Paciotti & Mattia Tadini
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# Nome del file: mssql-backup.sh
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# Nome del file: mssql-backup.sh
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# Revisione: 1.10
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# Revisione: 1.12
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# Configuration
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# Load configuration from external file
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BACKUP_DIR="/zucchetti/backupdb/bkfiles"
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CONFIG_FILE="/zucchetti/backupdb/config.env"
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SQLCMD="/opt/mssql-tools18/bin/sqlcmd"
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if [ -f "$CONFIG_FILE" ]; then
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USER="sa"
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source "$CONFIG_FILE"
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PASSWORD="DBP0l01nf0.."
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else
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HOST="localhost"
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echo "Configuration file not found: $CONFIG_FILE"
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RETENTION=1 # Retention per i backup locali
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REMOTE_RETENTION=2 # Retention per i backup remoti
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DATE=$(LC_TIME=C date +%Y%m%d%H%M%S) # Forza il formato della data
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SERVER_NAME="DBSQL01" # Identificativo del server fisico
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LOG_FILE="/zucchetti/backupdb/backup_log_$DATE.txt"
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ERROR_LOG_FILE="/zucchetti/backupdb/backup_err_$DATE.txt"
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FTP_SERVER="terni.poloinformatico.it"
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FTP_USER="backupmssqldb"
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FTP_PASSWORD="!Li'D/i%2&*QkvK!"
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REMOTE_DIR="/BackupDB"
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SMTP_SERVER="smtp://relay.poloinformatico.it:587"
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SMTP_USER="brass@relay.poloinformatico.it"
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SMTP_PASS="DMKqP9vUYn8s"
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# Check if a database name is provided as an argument
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if [ -z "$1" ]; then
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echo "Usage: $0 <database_name>"
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exit 1
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exit 1
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fi
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fi
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DB_NAME=$1
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# Default values for configuration (will be overridden by config.env if present)
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LOCAL_DB_DIR="$BACKUP_DIR/$DB_NAME"
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: ${BACKUP_DIR:="/zucchetti/backupdb/bkfiles"}
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REMOTE_DB_DIR="$REMOTE_DIR/$DB_NAME"
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: ${SQLCMD:="/opt/mssql-tools18/bin/sqlcmd"}
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: ${HOST:="localhost"}
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: ${RETENTION:=1} # Retention per i backup locali
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: ${REMOTE_RETENTION:=2} # Retention per i backup remoti
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: ${SERVER_NAME:="DBSQL01"} # Identificativo del server fisico
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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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: ${REMOTE_DIR:="/BackupDB"}
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# Create local backup directory if it doesn't exist
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# Required variables check
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mkdir -p "$LOCAL_DB_DIR"
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required_vars=(
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chown mssql:mssql "$LOCAL_DB_DIR"
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"USER" "PASSWORD" "FTP_SERVER" "FTP_USER" "FTP_PASSWORD"
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"SMTP_SERVER" "SMTP_USER" "SMTP_PASS"
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)
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# Create remote directory on FTP server if it doesn't exist
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for var in "${required_vars[@]}"; do
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ftp -inv $FTP_SERVER <<EOF >> $LOG_FILE 2>> $ERROR_LOG_FILE
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if [ -z "${!var}" ]; then
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echo "Error: Required variable $var is not set in config file"
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exit 1
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fi
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done
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# Set date format
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DATE=$(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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-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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}
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# Function to check FTP connection
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check_ftp_connection() {
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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 $FTP_PASSWORD
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quit
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EOF
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local connection_status=$?
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if grep -q "Connection refused\|Can't connect" $temp_file; then
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connection_status=1
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fi
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rm -f $temp_file
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return $connection_status
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}
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# Function to perform FTP upload with retry mechanism
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perform_ftp_upload() {
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local source_file="$1"
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local dest_file="$2"
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local max_retries=3
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local retry_count=0
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local temp_file=$(mktemp)
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while [ $retry_count -lt $max_retries ]; do
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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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user $FTP_USER $FTP_PASSWORD
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cd $REMOTE_DB_DIR
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cd $REMOTE_DB_DIR
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if [ $? -ne 0 ]; then
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put "$source_file" "$dest_file"
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mkdir "$REMOTE_DB_DIR"
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fi
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bye
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bye
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EOF
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EOF
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local upload_status=$?
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BACKUP_FILE="$LOCAL_DB_DIR/${DB_NAME}_backup_$DATE.bak"
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REMOTE_BACKUP_FILE="${DB_NAME}_backup_$DATE.bak"
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if [ $upload_status -eq 0 ] && ! grep -q "Connection refused\|Can't connect\|failed\|error" $temp_file; then
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LOCAL_STATUS=0
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break
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FTP_STATUS=0 # Indica lo stato dell'upload FTP (0: success, 1: failure)
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fi
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retry_count=$((retry_count + 1))
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echo "Upload attempt $retry_count failed, retrying in 5 seconds..." >> $LOG_FILE
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sleep 5
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done
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cat $temp_file >> $LOG_FILE 2>> $ERROR_LOG_FILE
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rm -f $temp_file
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return $upload_status
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}
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# Function to send email with msmtp
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# Function to send email with msmtp
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send_email() {
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send_email() {
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SUBJECT="Backup [${EMAIL_STATUS}] for $DB_NAME on $SERVER_NAME - $(LC_TIME=C date)"
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local db_name="$1"
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MESSAGE="Backup process completed. Check the details below:\n\n$(cat $LOG_FILE)"
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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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else
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status_message="Local backup: FAILED\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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else
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status_message+="FTP upload: FAILED\n"
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fi
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echo -e "Subject: $SUBJECT\nFrom: $SMTP_USER\nTo: $SMTP_USER\n\n$MESSAGE" | msmtp --debug --from="$SMTP_USER" -t
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SUBJECT="Backup [${EMAIL_STATUS}] for $db_name on $SERVER_NAME - $(LC_TIME=C date)"
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MESSAGE="Backup process completed with following status:\n\n${status_message}\nDetailed log:\n\n$(cat $LOG_FILE)"
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if [ -f "$ERROR_LOG_FILE" ] && [ -s "$ERROR_LOG_FILE" ]; then
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MESSAGE+="\n\nErrors encountered:\n\n$(cat $ERROR_LOG_FILE)"
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fi
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echo -e "Subject: $SUBJECT\nFrom: $SMTP_USER\nTo: $SMTP_USER\n\n$MESSAGE" | \
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msmtp --debug --from="$SMTP_USER" -t
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}
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}
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# Start time for the backup
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# Function to perform backup for a single database
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START_TIME=$(date +%s)
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perform_backup() {
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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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local db_name="$1"
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local LOCAL_STATUS=1
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local FTP_STATUS=1
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local EMAIL_STATUS=""
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echo "Starting backup process for database: $db_name"
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LOCAL_DB_DIR="$BACKUP_DIR/$db_name"
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REMOTE_DB_DIR="$REMOTE_DIR/$db_name"
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BACKUP_FILE="$LOCAL_DB_DIR/${db_name}_backup_$DATE.bak"
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REMOTE_BACKUP_FILE="${db_name}_backup_$DATE.bak"
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# Perform database backup with CHECK option
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# Create local backup directory if it doesn't exist
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$SQLCMD -S $HOST -U $USER -P $PASSWORD -Q "BACKUP DATABASE [$DB_NAME] TO DISK = N'$BACKUP_FILE' WITH CHECKSUM, COMPRESSION, INIT" -C >> $LOG_FILE 2>> $ERROR_LOG_FILE
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mkdir -p "$LOCAL_DB_DIR"
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chown mssql:mssql "$LOCAL_DB_DIR"
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# Check if the local backup was successful
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# Create remote directory on FTP server if it doesn't exist
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if [ $? -eq 0 ]; then
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if check_ftp_connection; then
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LOCAL_STATUS=0
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ftp -inv $FTP_SERVER <<EOF >> $LOG_FILE 2>> $ERROR_LOG_FILE
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echo "$(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." >> $LOG_FILE
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fi
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# End time and duration
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END_TIME=$(date +%s)
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DURATION=$((END_TIME - START_TIME))
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echo "$(LC_TIME=C date): Backup ended for $DB_NAME." >> $LOG_FILE
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echo "Start time: $(LC_TIME=C date -d @$START_TIME)" >> $LOG_FILE
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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" >> $LOG_FILE
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# Upload backup to remote FTP server
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echo "$(LC_TIME=C date): Starting FTP upload for $DB_NAME." >> $LOG_FILE
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ftp -inv $FTP_SERVER >> $LOG_FILE 2>> $ERROR_LOG_FILE <<EOF
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user $FTP_USER $FTP_PASSWORD
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user $FTP_USER $FTP_PASSWORD
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cd $REMOTE_DB_DIR
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mkdir "$REMOTE_DB_DIR"
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put $BACKUP_FILE $REMOTE_BACKUP_FILE
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bye
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bye
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EOF
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EOF
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fi
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# Check FTP status
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# Start time for the backup
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if [ $? -eq 0 ]; then
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START_TIME=$(date +%s)
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FTP_STATUS=0
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echo "$(LC_TIME=C date): Starting backup for database: $db_name on server $SERVER_NAME" > $LOG_FILE
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echo "$(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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# Local retention policy
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# Perform database backup with CHECK option (fixed SQLCMD syntax)
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ls -1tr $LOCAL_DB_DIR/${DB_NAME}_backup_*.bak | head -n -$RETENTION | xargs -d '\n' rm -f >> $LOG_FILE 2>> $ERROR_LOG_FILE
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$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>> $ERROR_LOG_FILE
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# Remote retention policy
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# Check if the local backup was successful
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echo "$(LC_TIME=C date): Performing remote retention check." >> $LOG_FILE
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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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# Otteniamo la lista dei file remoti (escludiamo informazioni non rilevanti come dati FTP)
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# End time and duration
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ftp -inv $FTP_SERVER <<EOF > /tmp/ftp_file_list.txt 2>> $ERROR_LOG_FILE
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END_TIME=$(date +%s)
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DURATION=$((END_TIME - START_TIME))
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echo "$(LC_TIME=C date): Backup ended for $db_name." >> $LOG_FILE
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echo "Start time: $(LC_TIME=C date -d @$START_TIME)" >> $LOG_FILE
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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." >> $LOG_FILE
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else
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FTP_STATUS=1
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echo "$(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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# Local retention policy
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if [ $LOCAL_STATUS -eq 0 ]; then
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find "$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 [ $FTP_STATUS -eq 0 ]; then
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echo "$(LC_TIME=C date): Performing remote retention check." >> $LOG_FILE
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temp_list_file=$(mktemp)
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ftp -inv $FTP_SERVER > $temp_list_file 2>> $ERROR_LOG_FILE <<EOF
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user $FTP_USER $FTP_PASSWORD
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user $FTP_USER $FTP_PASSWORD
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cd $REMOTE_DB_DIR
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cd $REMOTE_DB_DIR
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ls
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ls
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bye
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bye
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EOF
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EOF
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# Filtriamo la lista per estrarre solo i nomi dei file (ignoriamo righe di tipo 'drwxr-xr-x', 'total', etc.)
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grep -E -o '\S+_backup_[0-9]{14}\.bak' $temp_list_file | while read -r file; do
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grep -E -o '\S+_backup_[0-9]{14}\.bak' /tmp/ftp_file_list.txt | while read -r file; do
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if [[ "$file" =~ ^$db_name ]]; then
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# Verifica se il nome del file contiene il nome del database
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file_date=$(echo "$file" | sed -n 's/.*_backup_\([0-9]\{14\}\)\.bak/\1/p')
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if [[ "$file" =~ ^$DB_NAME ]]; then
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# Estrai la data dal nome del file (formato DBNAME_backup_DATE.bak)
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file_date=$(echo "$file" | sed -n 's/.*_backup_\([0-9]\{14\}\)\.bak/\1/p')
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# Verifica che la data sia stata estratta correttamente
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if [ -n "$file_date" ]; then
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if [ -n "$file_date" ]; then
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echo "$(LC_TIME=C date): Data estratta dal file remoto $file: $file_date" >> $LOG_FILE
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# Aggiungi un messaggio di debug per verificare la data estratta
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retention_date=$(LC_TIME=C date -d "-$REMOTE_RETENTION days" +%Y%m%d%H%M%S)
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echo "$(LC_TIME=C date): Data estratta dal file remoto $file: $file_date" >> $LOG_FILE
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# Confrontiamo direttamente la data come numeri (formato YYYYMMDDHHMMSS)
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if [ "$file_date" -lt "$retention_date" ]; then
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retention_date=$(LC_TIME=C date -d "-$REMOTE_RETENTION days" +%Y%m%d%H%M%S)
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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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# Verifica se la data estratta è più vecchia della retention
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cd $REMOTE_DB_DIR
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if [ "$file_date" -lt "$retention_date" ]; then
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delete "$file"
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# Elimina il file remoto se è troppo vecchio
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bye
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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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cd $REMOTE_DB_DIR
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delete "$file"
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bye
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EOF
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EOF
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echo "$(LC_TIME=C date): File remoto $file eliminato perché più vecchio di $REMOTE_RETENTION giorni." >> $LOG_FILE
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echo "$(LC_TIME=C date): File remoto $file eliminato perché più vecchio di $REMOTE_RETENTION giorni." >> $LOG_FILE
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fi
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fi
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fi
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fi
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else
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done
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echo "$(LC_TIME=C date): Data non estratta correttamente dal nome del file remoto $file. Skipping file." >> $LOG_FILE
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rm -f $temp_list_file
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fi
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else
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|
||||||
echo "$(LC_TIME=C date): Il file remoto $file non appartiene al database $DB_NAME. Skipping file." >> $LOG_FILE
|
|
||||||
fi
|
fi
|
||||||
done
|
|
||||||
|
|
||||||
# Determine email status
|
# Determine email status
|
||||||
if [ $LOCAL_STATUS -eq 0 ] && [ $FTP_STATUS -eq 0 ]; then
|
if [ $LOCAL_STATUS -eq 0 ] && [ $FTP_STATUS -eq 0 ]; then
|
||||||
EMAIL_STATUS="SUCCESS"
|
EMAIL_STATUS="SUCCESS"
|
||||||
|
elif [ $LOCAL_STATUS -eq 1 ] && [ $FTP_STATUS -eq 1 ]; then
|
||||||
|
EMAIL_STATUS="FAILED"
|
||||||
|
else
|
||||||
|
EMAIL_STATUS="WARNING"
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Send email with log
|
||||||
|
send_email "$db_name"
|
||||||
|
|
||||||
|
# Cleanup
|
||||||
|
rm -f $LOG_FILE
|
||||||
|
[ -f "$ERROR_LOG_FILE" ] && [ ! -s "$ERROR_LOG_FILE" ] && rm -f "$ERROR_LOG_FILE"
|
||||||
|
|
||||||
|
echo "Backup process complete for $db_name with status: $EMAIL_STATUS (Local: $LOCAL_STATUS, FTP: $FTP_STATUS)"
|
||||||
|
return $(( LOCAL_STATUS | FTP_STATUS ))
|
||||||
|
}
|
||||||
|
|
||||||
|
# Main script logic
|
||||||
|
if [ -z "$1" ]; then
|
||||||
|
echo "No database specified, backing up all databases..."
|
||||||
|
OVERALL_STATUS=0
|
||||||
|
|
||||||
|
for db in $(get_all_databases); do
|
||||||
|
perform_backup "$db"
|
||||||
|
BACKUP_STATUS=$?
|
||||||
|
[ $BACKUP_STATUS -ne 0 ] && OVERALL_STATUS=1
|
||||||
|
done
|
||||||
|
|
||||||
|
exit $OVERALL_STATUS
|
||||||
else
|
else
|
||||||
EMAIL_STATUS="FAILED"
|
perform_backup "$1"
|
||||||
|
exit $?
|
||||||
fi
|
fi
|
||||||
|
|
||||||
# Send the email with the log
|
|
||||||
send_email
|
|
||||||
|
|
||||||
# Remove the log file after sending the email
|
|
||||||
rm -f $LOG_FILE
|
|
||||||
|
|
||||||
echo "Backup process complete, local status: $LOCAL_STATUS, FTP status: $FTP_STATUS, and email sent."
|
|
||||||
|
|
||||||
# Send the email with the log
|
|
||||||
send_email
|
|
||||||
|
|
||||||
# Remove the log file after sending the email
|
|
||||||
rm -f $LOG_FILE
|
|
||||||
|
|
||||||
echo "Backup process complete, local status: $LOCAL_STATUS, FTP status: $FTP_STATUS, and email sent."
|
|
||||||
Loading…
Reference in New Issue
Block a user