func (d *Datadog) convertToDatadog(incomingMetric metric.Metric) (datapoint datadogMetric) {
dog := new(datadogMetric)
dog.Metric = incomingMetric.Name
dog.Points = makeDatadogPoints(incomingMetric)
dog.MetricType = incomingMetric.MetricType
if host, ok := incomingMetric.GetDimensionValue("host", d.DefaultDimensions()); ok {
dog.Host = host
} else {
dog.Host = "unknown"
}
dog.Tags = d.serializedDimensions(incomingMetric)
return *dog
}
func writeToHandlers(handlers []handler.Handler, metric metric.Metric) {
for _, handler := range handlers {
value, ok := metric.GetDimensionValue("collector")
isBlackListed, _ := handler.IsCollectorBlackListed(value)
if ok && isBlackListed {
// This collector is black listed by
// this handler. Therefore we are dropping this
log.Debug("Not forwarding metrics from", value, "collector to", handler.Name(), "handler, since it has blacklisted this collector")
} else {
handler.Channel() <- metric
}
}
}
func canSendMetric(handler handler.Handler, metric metric.Metric) bool {
// If the handler's whitelist is set, then only metrics from collectors in it will be emitted. If the same
// collector is also in the blacklist, it will be skipped.
// If the handler's whitelist is not set and its blacklist is not empty, only metrics from collectors not in
// the blacklist will be emitted.
value, _ := metric.GetDimensionValue("collector")
isWhiteListed, _ := handler.IsCollectorWhiteListed(value)
isBlackListed, _ := handler.IsCollectorBlackListed(value)
// If the handler's whitelist is not nil and not empty, only the whitelisted collectors should be considered
if handler.CollectorWhiteList() != nil && len(handler.CollectorWhiteList()) > 0 {
if isWhiteListed && !isBlackListed {
return true
}
return false
}
// If the handler's whitelist is nil, all collector except the ones in the blacklist are enabled
if !isBlackListed {
return true
}
return false
}