Added script for db backup

README.md

@@ -8,4 +8,7 @@ All nagios scripts are located under `nagios` directory.
 * Script for remove all logs from test accounts from SimpleSAMLlogs
 
 * Params:
-    * 1 - The file name
+    * 1 - The file name
\ No newline at end of file
+    
+### backup_database.sh
+* Do mysqldump into `/opt/mariadb_backup` and remove all dump file older than 7 days
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backup_database.sh

+#!/bin/bash
+
+BACKUP_FOLDER="/opt/mariadb_backup"
+
+# Ensure that backup folder exist
+if [[ ! -d ${BACKUP_FOLDER} ]]; then
+    mkdir ${BACKUP_FOLDER}
+fi
+
+BACKUP_FILE_NAME=${BACKUP_FOLDER}/backup_$(date -u +'%Y-%m-%d_%HH:%MM').sql
+
+# Backup all databases
+mysqldump --all-databases > ${BACKUP_FILE_NAME}
+
+echo "Database was dumped into ${BACKUP_FILE_NAME}"
+
+#Remove old backups > 7days
+find ${BACKUP_FOLDER} -name "backup_*.sql" -type f -mtime +7 -delete