chore: move the go code into a subfolder

apps/api/cmd/mirror/config.go

@@ -0,0 +1,87 @@
+package mirror
+
+import (
+	_ "embed"
+	"time"
+
+	"github.com/mitchellh/mapstructure"
+	"github.com/spf13/viper"
+	"github.com/zitadel/logging"
+
+	"github.com/zitadel/zitadel/cmd/hooks"
+	"github.com/zitadel/zitadel/internal/actions"
+	internal_authz "github.com/zitadel/zitadel/internal/api/authz"
+	"github.com/zitadel/zitadel/internal/command"
+	"github.com/zitadel/zitadel/internal/config/hook"
+	"github.com/zitadel/zitadel/internal/database"
+	"github.com/zitadel/zitadel/internal/domain"
+	"github.com/zitadel/zitadel/internal/id"
+	metrics "github.com/zitadel/zitadel/internal/telemetry/metrics/config"
+)
+
+type Migration struct {
+	Source      database.Config
+	Destination database.Config
+
+	EventBulkSize     uint32
+	MaxAuthRequestAge time.Duration
+
+	Log     *logging.Config
+	Machine *id.Config
+	Metrics metrics.Config
+}
+
+var (
+	//go:embed defaults.yaml
+	defaultConfig []byte
+)
+
+func mustNewMigrationConfig(v *viper.Viper) *Migration {
+	config := new(Migration)
+	mustNewConfig(v, config)
+
+	err := config.Log.SetLogger()
+	logging.OnError(err).Fatal("unable to set logger")
+
+	err = config.Metrics.NewMeter()
+	logging.OnError(err).Fatal("unable to set meter")
+
+	id.Configure(config.Machine)
+
+	return config
+}
+
+func mustNewProjectionsConfig(v *viper.Viper) *ProjectionsConfig {
+	config := new(ProjectionsConfig)
+	mustNewConfig(v, config)
+
+	err := config.Log.SetLogger()
+	logging.OnError(err).Fatal("unable to set logger")
+
+	id.Configure(config.Machine)
+
+	return config
+}
+
+func mustNewConfig(v *viper.Viper, config any) {
+	err := v.Unmarshal(config,
+		viper.DecodeHook(mapstructure.ComposeDecodeHookFunc(
+			hooks.SliceTypeStringDecode[*domain.CustomMessageText],
+			hooks.SliceTypeStringDecode[*command.SetQuota],
+			hooks.SliceTypeStringDecode[internal_authz.RoleMapping],
+			hooks.MapTypeStringDecode[string, *internal_authz.SystemAPIUser],
+			hooks.MapTypeStringDecode[domain.Feature, any],
+			hooks.MapHTTPHeaderStringDecode,
+			hook.Base64ToBytesHookFunc(),
+			hook.TagToLanguageHookFunc(),
+			mapstructure.StringToTimeDurationHookFunc(),
+			mapstructure.StringToTimeHookFunc(time.RFC3339),
+			mapstructure.StringToSliceHookFunc(","),
+			database.DecodeHook(true),
+			actions.HTTPConfigDecodeHook,
+			hook.EnumHookFunc(internal_authz.MemberTypeString),
+			mapstructure.TextUnmarshallerHookFunc(),
+		)),
+	)
+	logging.OnError(err).Fatal("unable to read default config")
+}