LogDog: Update to archival V2.

appengine/logdog/coordinator/endpoints/services/loadStream.go

Index: appengine/logdog/coordinator/endpoints/services/loadStream.go
diff --git a/appengine/logdog/coordinator/endpoints/services/loadStream.go b/appengine/logdog/coordinator/endpoints/services/loadStream.go
index e38bd0826e8bfe085f1eb29d9f428c11ab4481b0..25b7f9cb821487399344bbad55646421809bb79f 100644
--- a/appengine/logdog/coordinator/endpoints/services/loadStream.go
+++ b/appengine/logdog/coordinator/endpoints/services/loadStream.go
@@ -8,16 +8,19 @@ import (
 	ds "github.com/luci/gae/service/datastore"
 	"github.com/luci/luci-go/appengine/logdog/coordinator"
 	"github.com/luci/luci-go/common/api/logdog_coordinator/services/v1"
+	"github.com/luci/luci-go/common/clock"
 	"github.com/luci/luci-go/common/grpcutil"
 	"github.com/luci/luci-go/common/logdog/types"
 	log "github.com/luci/luci-go/common/logging"
+	"github.com/luci/luci-go/common/proto/google"
 	"golang.org/x/net/context"
 	"google.golang.org/grpc/codes"
 )
 
 // LoadStream loads the log stream state.
-func (b *Server) LoadStream(c context.Context, req *logdog.LoadStreamRequest) (*logdog.LoadStreamResponse, error) {
-	if err := Auth(c); err != nil {
+func (s *Server) LoadStream(c context.Context, req *logdog.LoadStreamRequest) (*logdog.LoadStreamResponse, error) {
+	svc := s.GetServices()
+	if err := Auth(c, svc); err != nil {
 		return nil, err
 	}
 
@@ -39,6 +42,8 @@ func (b *Server) LoadStream(c context.Context, req *logdog.LoadStreamRequest) (*
 		if req.Desc {
 			resp.Desc = ls.Descriptor
 		}
+		resp.ArchivalKey = ls.ArchivalKey
+		resp.Age = google.NewDuration(ds.RoundTime(clock.Now(c)).Sub(ls.Created))
 		return &resp, nil
 
 	case ds.ErrNoSuchEntity: