# MySQL backup tool for Elkarbackup

## Explanation 
* Elkarbackup server runs `MySQLBackup-RemoteTrigger.sh` before starting the backup to login to the target (MySQL) server to run `MySQLBackup-Tool.sh` with the PRE argument.  
 This will ask remote mysql to dump all databases to a SQL file to the local temporary backup location (default: /tmp/mysqlBCK)
* Elkarbackup will store the temporary backup location
* Elkarbackup server runs `MySQLBackup-RemoteTrigger.sh` after running the backup to login to the target (MySQL) server to run `MySQLBackup-Tool.sh` with the POST argument.  
 This will ask the remote to clean the temporary backup location

## Setup

### Steps on MySQL Server
* Make sure SSH server is running
1. Add the SSH public key from root@elkarbackupServer and elkarbackupAPP(Downloaded from cogwheel/settings icon > Manage parameters)
2. Create a Mysql user with the following Global privilleges: `SELECT, PROCESS, SHOW DATABASES, LOCK TABLES, TRIGGER, SHOW VIEW`  
be carefull with special charactes in the password
3. Save `MySQLBackup-Tool.sh` to `/opt/Elkar-MysqlBackup.sh`
4. Update the variables in `/opt/Elkar-MysqlBackup.sh` to the newly created user

## Steps Elkarbackup WebUI
1. Under `script` tab add the `MySQLBackup-RemoteTrigger.sh` with `Run as` option Before and After Job
2. Under `Jobs` tab add  the MySQL server as Client
3. Under `Jobs` tab> + on the mysql client to add job
4. Set Path to the temporary backup location (default: /tmp/mysqlBCK)
   Pre and Post sctipt to the just created `script`