Ignore "no such process" error (#1686)

* Cleanup how status is updated for service. Ignore "no such process" error as it could be that the pid died

* add nice error log to record process error exit

runtime/kubernetes/service.go

@@ -3,6 +3,7 @@ package kubernetes
 import (
 	"encoding/json"
 	"strings"
+	"time"
 
 	"github.com/micro/go-micro/v2/logger"
 	"github.com/micro/go-micro/v2/runtime"
@@ -185,8 +186,10 @@ func (s *service) Update(k client.Client, opts ...client.UpdateOption) error {
 }
 
 func (s *service) Status(status string, err error) {
+	s.Metadata["lastStatusUpdate"] = time.Now().Format(time.RFC3339)
 	if err == nil {
 		s.Metadata["status"] = status
+		delete(s.Metadata, "error")
 		return
 	}
 	s.Metadata["status"] = "error"