func Queue() (monsterqueue.Queue, error) {
queueData.RLock()
if queueData.instance != nil {
defer queueData.RUnlock()
return queueData.instance, nil
}
queueData.RUnlock()
queueData.Lock()
defer queueData.Unlock()
if queueData.instance != nil {
return queueData.instance, nil
}
queueMongoUrl, _ := config.GetString("queue:mongo-url")
if queueMongoUrl == "" {
queueMongoUrl = "localhost:27017"
}
queueMongoDB, _ := config.GetString("queue:mongo-database")
conf := mongodb.QueueConfig{
CollectionPrefix: "tsuru",
Url: queueMongoUrl,
Database: queueMongoDB,
}
var err error
queueData.instance, err = mongodb.NewQueue(conf)
if err != nil {
return nil, fmt.Errorf("could not create queue instance, please check queue:mongo-url and queue:mongo-database config entries. error: %s", err)
}
shutdown.Register(&queueData)
go queueData.instance.ProcessLoop()
return queueData.instance, nil
}
func Queue() (monsterqueue.Queue, error) {
queueData.RLock()
if queueData.instance != nil {
defer queueData.RUnlock()
return queueData.instance, nil
}
queueData.RUnlock()
queueData.Lock()
defer queueData.Unlock()
if queueData.instance != nil {
return queueData.instance, nil
}
queueMongoUrl, _ := config.GetString("queue:mongo-url")
if queueMongoUrl == "" {
queueMongoUrl = "localhost:27017"
}
queueMongoDB, _ := config.GetString("queue:mongo-database")
pollingInterval, _ := config.GetFloat("queue:mongo-polling-interval")
if pollingInterval == 0.0 {
pollingInterval = 1.0
}
conf := mongodb.QueueConfig{
CollectionPrefix: "tsuru",
Url: queueMongoUrl,
Database: queueMongoDB,
PollingInterval: time.Duration(pollingInterval * float64(time.Second)),
}
var err error
queueData.instance, err = mongodb.NewQueue(conf)
if err != nil {
return nil, errors.Wrap(err, "could not create queue instance, please check queue:mongo-url and queue:mongo-database config entries. error")
}
shutdown.Register(&queueData)
go queueData.instance.ProcessLoop()
return queueData.instance, nil
}