func (l *ExampleListener) OnJoin(zk *zkutil.ZooKeeper) {
log.Println("Joining!")
// Create an assigned task for this node as soon as it joins...
data := make(map[string]interface{})
// assign this task specifically to this node
// data["example"] = l.config.NodeId
donut.CreateTask("example", zk.Conn, "task-"+l.config.NodeId, data)
go func() {
// only do this task for 5 seconds
time.Sleep(60 * time.Second)
donut.CompleteTask("example", zk.Conn, "task-"+l.config.NodeId)
}()
}
func (c *Ctl) addTask(cluster, taskId, assign string, data map[string]interface{}) error {
m := make(map[string]interface{})
for k, v := range data {
if k == cluster {
return errors.New("Found reserved key %s in data map: " + k)
}
m[k] = v
}
if assign != "" {
m[cluster] = assign
}
return donut.CreateTask(cluster, c.zk, taskId, data)
}