func (self *JSDivFingerprint) IsMatch(other counter.Countable) bool {
othr, ok := other.(*JSDivFingerprint)
if !ok {
return false
}
if len(self.histogram) != len(othr.histogram) {
glog.Error("Unexpected comparision between JSDivFingerprints")
return false
}
s := self.calcSignificance(othr)
return s < self.pValue
}
func (self *RiemannNotifier) Notify(msg string, w *morgoth.Window) {
tags := make([]string, 0, len(w.Tags))
for t, v := range w.Tags {
tags = append(tags, fmt.Sprintf("%s=%s", t, v))
}
event := &raidman.Event{
Service: w.Name,
Host: "morgoth",
State: "anomalous",
Description: fmt.Sprintf("%s start: %v, stop: %v", msg, w.Start, w.Stop),
Tags: tags,
Time: w.Start.Unix(),
Metric: int(w.Stop.Sub(w.Start)),
Ttl: 30,
}
err := self.client.Send(event)
if err != nil {
glog.Error("Failed to send event Riemann", err)
}
}