Merge pull request Mellanox#1 from Mmduh-483/relese-guid-from-removed-pod

Release guid from removed pods

Author: moshe010

pkg/daemon/daemon.go

@@ -222,7 +222,7 @@ func (d *daemon) AddPeriodicUpdate() {
 
 		// Update annotations for passed pods
 		finalPassCounter := 0
-		for _, pod := range passedPods {
+		for index, pod := range passedPods {
 			ibAnnotation, err := utils.ParseInfiniBandAnnotation(pod)
 			if err != nil {
 				ibAnnotation = map[string]string{networkName: utils.ConfiguredInfiniBandPod}
@@ -235,6 +235,11 @@ func (d *daemon) AddPeriodicUpdate() {
 					glog.Errorf("AddPeriodicUpdate(): failed to update pod annotations with err: %v", err)
 					continue
 				}
+
+				if err = d.guidPool.ReleaseGUID(guidList[index].String()); err != nil {
+					glog.Warningf("AddPeriodicUpdate(): failed to release guid \"%s\" from removed pod \"%s\""+
+						" in namespace \"%s\" with error: %v", guidList[index].String(), pod.Name, pod.Namespace, err)
+				}
 			}
 
 			finalPassCounter++