wisski-cloud-distillery/internal/component/sql/provision.go
2022-09-19 13:03:59 +02:00

52 lines
1.3 KiB
Go

package sql
import (
"errors"
"github.com/FAU-CDI/wisski-distillery/pkg/sqle"
)
// SQLProvision provisions a new sql database and user
func (sql *SQL) Provision(name, user, password string) error {
// wait for the database
if err := sql.WaitShell(); err != nil {
return err
}
// it's not a safe database name!
if !sqle.IsSafeDatabaseName(name) {
return errInvalidDatabaseName
}
// create the database and user!
if !sql.Query("CREATE DATABASE `"+name+"`; CREATE USER ?@`%` IDENTIFIED BY ?; GRANT ALL PRIVILEGES ON `"+name+"`.* TO ?@`%`; FLUSH PRIVILEGES;", user, password, user) {
return errors.New("SQLProvision: Failed to create user")
}
// and done!
return nil
}
var errSQLPurgeUser = errors.New("unable to delete user")
// SQLPurgeUser deletes the specified user from the database
func (sql *SQL) PurgeUser(user string) error {
if !sql.Query("DROP USER IF EXISTS ?@`%`; FLUSH PRIVILEGES; ", user) {
return errSQLPurgeUser
}
return nil
}
var errSQLPurgeDB = errors.New("unable to drop database")
// SQLPurgeDatabase deletes the specified db from the database
func (sql *SQL) PurgeDatabase(db string) error {
if !sqle.IsSafeDatabaseName(db) {
return errSQLPurgeDB
}
if !sql.Query("DROP DATABASE IF EXISTS `" + db + "`") {
return errSQLPurgeDB
}
return nil
}