61 lines
1.3 KiB
Bash
Executable File
61 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# mysql database backup.
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# executed by duplicati run-script-before-required
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# required environment variables:
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# MYSQL_HOST
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# MYSQL_USER
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# MYSQL_PASSWORD
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# MYSQL_DATABASE
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# MYSQL_BACKUP_FOLDER
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#any error must stop execution
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set -e
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if [ -f "/etc/default/duplicati-mysql" ]; then
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export $(cat /etc/default/duplicati-mysql)
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fi
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if [ -f "~/.config/duplicati-mysql" ]; then
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export $(cat ~/default/duplicati-mysql)
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fi
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if [ $DUPLICATI__OPERATIONNAME == "Backup" ]
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then
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echo "Backup Job!!"
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else
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echo "Not a backup operation. exiting!"
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#OK, run operation
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exit
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fi
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if [ -z "$MYSQL_BACKUP_FOLDER" ]; then
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MYSQL_BACKUP_FOLDER="/var/db-dumps"
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fi
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if [ ! -d $MYSQL_BACKUP_FOLDER ]; then
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mkdir -p $MYSQL_BACKUP_FOLDER;
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fi
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TARGETFILENAME=${MYSQL_DATABASE}_dump_$(date -d "today" +"%Y%m%d%H%M%S").sql
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echo "dump file name:$TARGETFILENAME"
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if [ -f /tmp/${TARGETFILENAME} ]
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then
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rm /tmp/${TARGETFILENAME}
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fi
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mysqldump -h ${MYSQL_HOST} --user=${MYSQL_USER} -p"${MYSQL_PASSWORD}" ${MYSQL_DATABASE} > /tmp/${TARGETFILENAME}
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if [ x$(find "$MYSQL_BACKUP_FOLDER" -prune -empty) = x"$MYSQL_BACKUP_FOLDER" ]; then
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echo "folder is empty... ignoring clean db dump folder"
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else
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rm -r ${MYSQL_BACKUP_FOLDER}/*
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fi
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mv /tmp/${TARGETFILENAME} ${MYSQL_BACKUP_FOLDER}/${TARGETFILENAME}
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