uptime ignores unresponsive hosts

http.go

@@ -8,6 +8,7 @@ import (
 	"io/ioutil"
 	"net/http"
 	"strings"
+	"time"
 
 	"go.wit.com/log"
 )
@@ -83,10 +84,13 @@ func okHandler(w http.ResponseWriter, r *http.Request) {
 		}
 		var count int
 		var bad int
-		all := me.machines.All()
-		for all.Scan() {
-			m := all.Next()
+		for m := range me.machines.IterAll() {
 			count += 1
+			if m.SinceLastUpdate() > 10*time.Minute {
+				// skip machines that have not been updated in the last 10 minutes
+				log.Info("ignoring old machine", m.Hostname)
+				continue
+			}
 			if findVersion(m, "zood") != me.zood.version {
 				bad += 1
 			}

windowZood.go

@@ -123,7 +123,10 @@ func AddMachinesPB(tbox *gui.Node, pb *zoopb.Machines) *zoopb.MachinesTable {
 	t.AddMemory()
 	t.AddCpus()
 	t.AddStringFunc("sMB", func(m *zoopb.Machine) string {
-		return fmt.Sprintf("%d mb", m.Memory/(1024*1024))
+		if m.Memory/(1024*1024) > 10000 {
+			return fmt.Sprintf("%4d G", m.Memory/(1024*1024*1024))
+		}
+		return fmt.Sprintf("%4d M", m.Memory/(1024*1024))
 	})
 
 	t.AddStringFunc("zood", func(m *zoopb.Machine) string {