etcdctl: respect --write-out=json for endpoint status command

etcdctl/ctlv3/command/ep_command.go

@@ -104,8 +104,8 @@ func epHealthCommandFunc(cmd *cobra.Command, args []string) {
 }
 
 type epStatus struct {
-	ep   string
-	resp *v3.StatusResponse
+	Ep   string             `json:"Endpoint"`
+	Resp *v3.StatusResponse `json:"Status"`
 }
 
 func epStatusCommandFunc(cmd *cobra.Command, args []string) {
@@ -122,7 +122,7 @@ func epStatusCommandFunc(cmd *cobra.Command, args []string) {
 			fmt.Fprintf(os.Stderr, "Failed to get the status of endpoint %s (%v)\n", ep, serr)
 			continue
 		}
-		statusList = append(statusList, epStatus{ep: ep, resp: resp})
+		statusList = append(statusList, epStatus{Ep: ep, Resp: resp})
 	}
 
 	display.EndpointStatus(statusList)

etcdctl/ctlv3/command/printer.go

@@ -134,13 +134,13 @@ func (s *simplePrinter) EndpointStatus(statusList []epStatus) {
 
 	for _, status := range statusList {
 		table.Append([]string{
-			fmt.Sprint(status.ep),
-			fmt.Sprintf("%x", status.resp.Header.MemberId),
-			fmt.Sprint(status.resp.Version),
-			fmt.Sprint(humanize.Bytes(uint64(status.resp.DbSize))),
-			fmt.Sprint(status.resp.Leader == status.resp.Header.MemberId),
-			fmt.Sprint(status.resp.RaftTerm),
-			fmt.Sprint(status.resp.RaftIndex),
+			fmt.Sprint(status.Ep),
+			fmt.Sprintf("%x", status.Resp.Header.MemberId),
+			fmt.Sprint(status.Resp.Version),
+			fmt.Sprint(humanize.Bytes(uint64(status.Resp.DbSize))),
+			fmt.Sprint(status.Resp.Leader == status.Resp.Header.MemberId),
+			fmt.Sprint(status.Resp.RaftTerm),
+			fmt.Sprint(status.Resp.RaftIndex),
 		})
 	}