Do not display the digest or size of swarm secrets

Signed-off-by: cyli <cyli@twistedmatrix.com>
(cherry picked from commit 2c0613540a)
Signed-off-by: Victor Vieux <victorvieux@gmail.com>

api/types/swarm/secret.go

@@ -7,8 +7,6 @@ type Secret struct {
 	ID string
 	Meta
 	Spec SecretSpec
-	Digest     string
-	SecretSize int64
 }
 
 // SecretSpec represents a secret specification from a secret in swarm

cli/command/secret/ls.go

@@ -50,15 +50,14 @@ func runSecretList(dockerCli *command.DockerCli, opts listOptions) error {
 			fmt.Fprintf(w, "%s\n", s.ID)
 		}
 	} else {
-		fmt.Fprintf(w, "ID\tNAME\tCREATED\tUPDATED\tSIZE")
+		fmt.Fprintf(w, "ID\tNAME\tCREATED\tUPDATED")
 		fmt.Fprintf(w, "\n")
 
 		for _, s := range secrets {
 			created := units.HumanDuration(time.Now().UTC().Sub(s.Meta.CreatedAt)) + " ago"
 			updated := units.HumanDuration(time.Now().UTC().Sub(s.Meta.UpdatedAt)) + " ago"
-			size := units.HumanSizeWithPrecision(float64(s.SecretSize), 3)
 
-			fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", s.ID, s.Spec.Annotations.Name, created, updated, size)
+			fmt.Fprintf(w, "%s\t%s\t%s\t%s\n", s.ID, s.Spec.Annotations.Name, created, updated)
 		}
 	}
 

daemon/cluster/convert/secret.go

@@ -10,8 +10,6 @@ import (
 func SecretFromGRPC(s *swarmapi.Secret) swarmtypes.Secret {
 	secret := swarmtypes.Secret{
 		ID: s.ID,
-		Digest:     s.Digest,
-		SecretSize: s.SecretSize,
 		Spec: swarmtypes.SecretSpec{
 			Annotations: swarmtypes.Annotations{
 				Name:   s.Spec.Annotations.Name,