zitadel/cmd/admin/initialise/verify_database.go

55 lines
1.4 KiB
Go
Raw Normal View History

2022-02-11 13:07:32 +00:00
package initialise
import (
"database/sql"
"github.com/caos/logging"
"github.com/caos/zitadel/internal/database"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
func newDatabase() *cobra.Command {
return &cobra.Command{
Use: "database",
Short: "initialize only the database",
Long: `Sets up the ZITADEL database.
Prereqesits:
- cockroachdb
The user provided by flags needs priviledge to
- create the database if it does not exist
- see other users and create a new one if the user does not exist
- grant all rights of the ZITADEL database to the user created if not yet set
`,
RunE: func(cmd *cobra.Command, args []string) error {
config := new(Config)
if err := viper.Unmarshal(config); err != nil {
return err
}
return initialise(config, verifyDB)
},
}
}
func verifyDB(db *sql.DB, config database.Config) error {
logging.Info("verify database")
exists, err := existsDatabase(db, config)
if exists || err != nil {
return err
}
return createDatabase(db, config)
}
func existsDatabase(db *sql.DB, config database.Config) (exists bool, err error) {
row := db.QueryRow("SELECT EXISTS(SELECT database_name FROM [show databases] WHERE database_name = $1)", config.Database)
err = row.Scan(&exists)
return exists, err
}
func createDatabase(db *sql.DB, config database.Config) error {
_, err := db.Exec("CREATE DATABASE " + config.Database)
return err
}