优化

internal/data/config_store.go

@@ -14,6 +14,7 @@ import (
 	"google.golang.org/protobuf/encoding/protojson"
 	"google.golang.org/protobuf/proto"
 	"gopkg.in/yaml.v3"
+	"gorm.io/gorm"
 )
 
 func protoMap(message proto.Message) (map[string]any, error) {
@@ -260,9 +261,18 @@ func (d *Data) reloadConfig(ctx context.Context) error {
 		return fmt.Errorf("data.database and admin configuration are required")
 	}
 	next.Admin.ConfigPath = configPath
-	candidateDB, err := openDatabase(next.Data.Database, false, "", d.logger())
-	if err != nil {
-		return fmt.Errorf("reload database: %w", err)
+	databaseReady := databaseConnectionConfigured(next.Data.Database)
+	var candidateDB *gorm.DB
+	if databaseReady {
+		candidateDB, err = openDatabase(next.Data.Database, false, "", d.logger())
+		if err != nil {
+			return fmt.Errorf("reload database: %w", err)
+		}
+	} else {
+		candidateDB, err = openFallbackDatabase(d.logger())
+		if err != nil {
+			return fmt.Errorf("reload bootstrap database: %w", err)
+		}
 	}
 	closeCandidate := true
 	defer func() {
@@ -272,12 +282,14 @@ func (d *Data) reloadConfig(ctx context.Context) error {
 			}
 		}
 	}()
-	if sqlDB, dbErr := candidateDB.DB(); dbErr != nil {
-		return dbErr
-	} else if err = sqlDB.PingContext(ctx); err != nil {
-		return fmt.Errorf("reload database: %w", err)
+	if databaseReady {
+		if sqlDB, dbErr := candidateDB.DB(); dbErr != nil {
+			return dbErr
+		} else if err = sqlDB.PingContext(ctx); err != nil {
+			return fmt.Errorf("reload database: %w", err)
+		}
 	}
-	if next.Admin.System == nil || !next.Admin.System.DisableAutoMigrate {
+	if databaseReady && (next.Admin.System == nil || !next.Admin.System.DisableAutoMigrate) {
 		if err = migrateAll(candidateDB.WithContext(ctx)); err != nil {
 			return fmt.Errorf("reload database migrations: %w", err)
 		}
@@ -305,6 +317,7 @@ func (d *Data) reloadConfig(ctx context.Context) error {
 	}
 
 	d.gormDB.replace(candidateDB, d.enqueueDataScopeAudit)
+	d.databaseReady.Store(databaseReady)
 	for _, item := range candidateDBList {
 		registerDataScopeCallbacks(item, d.enqueueDataScopeAudit)
 	}