backup script

storage/backup_database/backup_db.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+#----------------------------------------
+# MySQL Backup Script
+#----------------------------------------
+
+# 🔧 Configuration
+HOST='localhost'      # MySQL server host
+USER='root'       # Username
+PASSWORD='salam'   # Password
+DB='nutzwerte_fi4'
+DAYS_TO_KEEP=60              # Delete backups older than X days
+GZIP=1                      # 1 = gzip compression, 0 = plain .sql
+BACKUP_PATH='/var/www/html/nutzwerte_fi4/storage/backup_database/archive'   # Location to store backups
+#TIMESTAMP=$(date +"%d_%m_%Y_%H_%M_%S")   # Date-time for unique file names
+TIMESTAMP=$(date -d "yesterday" +"%d_%m_%Y") #Date-time for previous date file names. reminder here crontab use after 12 am
+
+#----------------------------------------
+
+# Create the backup folder
+if [ ! -d $BACKUP_PATH ]; then
+  mkdir -p $BACKUP_PATH
+fi
+
+
+  # Backup (with or without compression)
+  if [ "$GZIP" -eq 0 ]; then
+    echo "Backing up database: $DB (no compression)"
+    mysqldump -h "$HOST" -u "$USER" -p"$PASSWORD" --databases "$DB" --single-transaction --quick --extended-insert --compact --hex-blob --max-allowed-packet=256M --net-buffer-length=2M > "$BACKUP_PATH/${DB}-${TIMESTAMP}.sql"
+  else
+    echo "Backing up database: $DB (with compression)"
+    mysqldump -h "$HOST" -u "$USER" -p"$PASSWORD" --databases "$DB" --single-transaction --quick --extended-insert --compact --hex-blob --max-allowed-packet=256M --net-buffer-length=2M | gzip -9 -c > "$BACKUP_PATH/${DB}-${TIMESTAMP}.sql.gz"
+  fi
+
+
+# Delete old backups
+if [ "$DAYS_TO_KEEP" -gt 0 ] ; then
+  echo "Deleting backups older than $DAYS_TO_KEEP days"
+  find $BACKUP_PATH/* -mtime +$DAYS_TO_KEEP -exec rm {} \;
+fi