uptime ignores unresponsive hosts

1 files changed, 7 insertions, 3 deletions

diff --git a/http.go b/http.go
index 7534b87..cc19929 100644
--- a/http.go
+++ b/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
 			}