Update mssql-backup.sh

This commit is contained in:
Mattia Tadini 2024-11-12 09:56:00 +00:00
parent 5a6c61200c
commit 4af162317a

View File

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