示例#1
0
func (this *SinkFactory) BuildAll(uris flags.Uris) (*metricsink.MetricSink, []core.DataSink) {
	result := make([]core.DataSink, 0, len(uris))
	var metric *metricsink.MetricSink
	for _, uri := range uris {
		sink, err := this.Build(uri)
		if err != nil {
			glog.Errorf("Failed to create sink: %v", err)
			continue
		}
		if uri.Key == "metric" {
			metric = sink.(*metricsink.MetricSink)
		}
		result = append(result, sink)
	}
	if metric == nil {
		uri := flags.Uri{}
		uri.Set("metric")
		sink, err := this.Build(uri)
		if err == nil {
			result = append(result, sink)
			metric = sink.(*metricsink.MetricSink)
		} else {
			glog.Errorf("Error while creating metric sink: %v", err)
		}
	}
	return metric, result
}
示例#2
0
func (this *SinkFactory) BuildAll(uris flags.Uris, historicalUri string) (*metricsink.MetricSink, []core.DataSink, core.HistoricalSource) {
	result := make([]core.DataSink, 0, len(uris))
	var metric *metricsink.MetricSink
	var historical core.HistoricalSource
	for _, uri := range uris {
		sink, err := this.Build(uri)
		if err != nil {
			glog.Errorf("Failed to create sink: %v", err)
			continue
		}
		if uri.Key == "metric" {
			metric = sink.(*metricsink.MetricSink)
		}
		if uri.String() == historicalUri {
			if asHistSource, ok := sink.(core.AsHistoricalSource); ok {
				historical = asHistSource.Historical()
			} else {
				glog.Errorf("Sink type %q does not support being used for historical access", uri.Key)
			}
		}
		result = append(result, sink)
	}

	if len([]flags.Uri(uris)) != 0 && len(result) == 0 {
		glog.Fatal("No available sink to use")
	}

	if metric == nil {
		uri := flags.Uri{}
		uri.Set("metric")
		sink, err := this.Build(uri)
		if err == nil {
			result = append(result, sink)
			metric = sink.(*metricsink.MetricSink)
		} else {
			glog.Errorf("Error while creating metric sink: %v", err)
		}
	}
	if len(historicalUri) > 0 && historical == nil {
		glog.Errorf("Error while initializing historical access: unable to use sink %q as a historical source", historicalUri)
	}
	return metric, result, historical
}