// Refresh the keep service list every five minutes.
func RefreshServicesList(kc *keepclient.KeepClient) {
var previousRoots = []map[string]string{}
var delay time.Duration = 0
for {
time.Sleep(delay * time.Second)
delay = 300
if err := kc.DiscoverKeepServers(); err != nil {
log.Println("Error retrieving services list:", err)
delay = 3
continue
}
newRoots := []map[string]string{kc.LocalRoots(), kc.GatewayRoots()}
if !reflect.DeepEqual(previousRoots, newRoots) {
log.Printf("Updated services list: locals %v gateways %v", newRoots[0], newRoots[1])
}
if len(newRoots[0]) == 0 {
log.Print("WARNING: No local services. Retrying in 3 seconds.")
delay = 3
}
previousRoots = newRoots
}
}
