MySQL All databases backup with Go

Replace database user, pass and host

username := ""
password := ""
hostname := ""
dumpDir := "/opt/dumps"
backDir := "/opt/backup/"

[dther@opslab mysql-all-dbs-backup]$ go build .
[dther@opslab mysql-all-dbs-backup]$ mkdir /opt/backup #or change dump and backup dir in source 
[dther@opslab mysql-all-dbs-backup]$ ./mysql-all-dbs-backup