chore: move the go code into a subfolder

apps/api/cmd/initialise/init.go

@@ -0,0 +1,148 @@
+package initialise
+
+import (
+	"context"
+	"embed"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"github.com/zitadel/logging"
+
+	"github.com/zitadel/zitadel/internal/database"
+)
+
+var (
+	//go:embed sql/*.sql
+	stmts embed.FS
+
+	createUserStmt           string
+	grantStmt                string
+	databaseStmt             string
+	createEventstoreStmt     string
+	createProjectionsStmt    string
+	createSystemStmt         string
+	createEncryptionKeysStmt string
+	createEventsStmt         string
+	createUniqueConstraints  string
+
+	roleAlreadyExistsCode = "42710"
+	dbAlreadyExistsCode   = "42P04"
+)
+
+func New() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "init",
+		Short: "initialize ZITADEL instance",
+		Long: `Sets up the minimum requirements to start ZITADEL.
+
+Prerequisites:
+- PostgreSql database
+
+The user provided by flags needs privileges 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
+`,
+		Run: func(cmd *cobra.Command, args []string) {
+			config := MustNewConfig(viper.GetViper())
+
+			InitAll(cmd.Context(), config)
+		},
+	}
+
+	cmd.AddCommand(newZitadel(), newDatabase(), newUser(), newGrant())
+	return cmd
+}
+
+func InitAll(ctx context.Context, config *Config) {
+	err := initialise(ctx, config.Database,
+		VerifyUser(config.Database.Username(), config.Database.Password()),
+		VerifyDatabase(config.Database.DatabaseName()),
+		VerifyGrant(config.Database.DatabaseName(), config.Database.Username()),
+	)
+	logging.OnError(err).Fatal("unable to initialize the database")
+
+	err = verifyZitadel(ctx, config.Database)
+	logging.OnError(err).Fatal("unable to initialize ZITADEL")
+}
+
+func initialise(ctx context.Context, config database.Config, steps ...func(context.Context, *database.DB) error) error {
+	logging.Info("initialization started")
+
+	err := ReadStmts()
+	if err != nil {
+		return err
+	}
+
+	db, err := database.Connect(config, true)
+	if err != nil {
+		return err
+	}
+	defer db.Close()
+
+	return Init(ctx, db, steps...)
+}
+
+func Init(ctx context.Context, db *database.DB, steps ...func(context.Context, *database.DB) error) error {
+	for _, step := range steps {
+		if err := step(ctx, db); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func ReadStmts() (err error) {
+	createUserStmt, err = readStmt("01_user")
+	if err != nil {
+		return err
+	}
+
+	databaseStmt, err = readStmt("02_database")
+	if err != nil {
+		return err
+	}
+
+	grantStmt, err = readStmt("03_grant_user")
+	if err != nil {
+		return err
+	}
+
+	createEventstoreStmt, err = readStmt("04_eventstore")
+	if err != nil {
+		return err
+	}
+
+	createProjectionsStmt, err = readStmt("05_projections")
+	if err != nil {
+		return err
+	}
+
+	createSystemStmt, err = readStmt("06_system")
+	if err != nil {
+		return err
+	}
+
+	createEncryptionKeysStmt, err = readStmt("07_encryption_keys_table")
+	if err != nil {
+		return err
+	}
+
+	createEventsStmt, err = readStmt("08_events_table")
+	if err != nil {
+		return err
+	}
+
+	createUniqueConstraints, err = readStmt("10_unique_constraints_table")
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func readStmt(step string) (string, error) {
+	stmt, err := stmts.ReadFile("sql/" + step + ".sql")
+	return string(stmt), err
+}