add trace starts for each object type

internal/service/service.go

@@ -5,6 +5,7 @@ import (
 
 	"go.infratographer.com/x/events"
 	"go.infratographer.com/x/gidx"
+	"go.opentelemetry.io/otel"
 	"go.uber.org/zap"
 
 	"go.equinixmetal.net/infra9-metal-bridge/internal/metal"
@@ -22,6 +23,8 @@ const (
 	TypeUser ObjectType = "user"
 )
 
+var tracer = otel.Tracer("go.equinixmetal.net/infra9-metal-bridge/internal/service")
+
 // DefaultPrefixMap is the default id prefix to type relationship.
 var DefaultPrefixMap = map[string]ObjectType{
 	TypeOrganization.Prefix(): TypeOrganization,