.

docker/mysqlclient/scripts/backupdb.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+# mysql database backup.
+# executed by duplicati run-script-before-required
+# required environment variables:
+#   DESTINATION
+#   MYSQL_HOST
+#   MYSQL_USER
+#   MYSQL_PASSWORD
+#   MYSQL_DATABASE 
+
+#any error must stop execution
+set -e
+
+if [ $DUPLICATI__OPERATIONNAME != "Backup" ]
+then
+    echo "Not a backup operation. exiting!"
+    #OK, run operation
+    return 0
+fi
+
+
+if [ -z ${DESTINATION} ]
+then
+      echo "\$DESTINATION environment variable cannot be empty empty"
+      #5: Error don't run operation
+      exit 5
+fi
+
+TARGETFILENAME=${MYSQL_NAME}_dump_$(date -d "today" +"%Y%m%d%H%M%S").sql 
+echo "dump file name:$TARGETFILENAME"
+
+if [ -f /tmp/${TARGETFILENAME} ]
+then
+    rm /tmp/${TARGETFILENAME}
+fi
+
+
+mysqldump -h ${MYSQL_HOST} --user=${MYSQL_USER} -p"${MYSQL_PASSWORD}" ${MYSQL_DATABASE} > /tmp/${TARGETFILENAME}
+
+
+if [ x$(find "$DESTINATION" -prune -empty) = x"$DESTINATION" ]; then
+    echo "folder is empty... ignoring clean db dump folder"
+else
+    rm -r ${DESTINATION} /* 
+fi
+
+mv /tmp/${TARGETFILENAME} ${DESTINATION}/${TARGETFILENAME}
+return 0