// Mutes returns true iff the given label set is muted.
func (ih *Inhibitor) Mutes(lset model.LabelSet) bool {
alerts := ih.alerts.GetPending()
defer alerts.Close()
// TODO(fabxc): improve erroring for iterators so it does not
// go silenced here.
for alert := range alerts.Next() {
if err := alerts.Err(); err != nil {
log.Errorf("Error iterating alerts: %s", err)
continue
}
if alert.Resolved() {
continue
}
for _, rule := range ih.rules {
if rule.Mutes(alert.Labels, lset) {
ih.marker.SetInhibited(lset.Fingerprint(), true)
return true
}
}
}
if err := alerts.Err(); err != nil {
log.Errorf("Error after iterating alerts: %s", err)
}
ih.marker.SetInhibited(lset.Fingerprint(), false)
return false
}
// Mutes returns true iff the given label set is muted.
func (ih *Inhibitor) Mutes(lset model.LabelSet) bool {
fp := lset.Fingerprint()
for _, r := range ih.rules {
if r.TargetMatchers.Match(lset) && r.hasEqual(lset) {
ih.marker.SetInhibited(fp, true)
return true
}
}
ih.marker.SetInhibited(fp, false)
return false
}
// The Silences provider must implement the Muter interface
// for all its silences. The data provider may have access to an
// optimized view of the data to perform this evaluation.
func (s *Silences) Mutes(lset model.LabelSet) bool {
sils, err := s.All()
if err != nil {
log.Errorf("retrieving silences failed: %s", err)
// In doubt, do not silence anything.
return false
}
for _, sil := range sils {
if sil.Mutes(lset) {
s.mk.SetSilenced(lset.Fingerprint(), sil.ID)
return true
}
}
s.mk.SetSilenced(lset.Fingerprint())
return false
}
// processAlert determines in which aggregation group the alert falls
// and insert it.
func (d *Dispatcher) processAlert(alert *types.Alert, route *Route) {
group := model.LabelSet{}
for ln, lv := range alert.Labels {
if _, ok := route.RouteOpts.GroupBy[ln]; ok {
group[ln] = lv
}
}
fp := group.Fingerprint()
d.mtx.Lock()
groups, ok := d.aggrGroups[route]
if !ok {
groups = map[model.Fingerprint]*aggrGroup{}
d.aggrGroups[route] = groups
}
d.mtx.Unlock()
// If the group does not exist, create it.
ag, ok := groups[fp]
if !ok {
ag = newAggrGroup(d.ctx, group, &route.RouteOpts, d.timeout)
groups[fp] = ag
go ag.run(func(ctx context.Context, alerts ...*types.Alert) bool {
_, _, err := d.stage.Exec(ctx, alerts...)
if err != nil {
log.Errorf("Notify for %d alerts failed: %s", len(alerts), err)
}
return err == nil
})
}
ag.insert(alert)
}
func (g *Group) fingerprint() model.Fingerprint {
l := model.LabelSet{"name": model.LabelValue(g.name)}
return l.Fingerprint()
}
