96 lines
2.4 KiB
Go
96 lines
2.4 KiB
Go
package types
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import (
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"fmt"
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"time"
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"github.com/prometheus/common/model"
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)
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type Alert struct {
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// Label value pairs for purpose of aggregation, matching, and disposition
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// dispatching. This must minimally include an "alertname" label.
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Labels model.LabelSet `json:"labels"`
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// Extra key/value information which is not used for aggregation.
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Payload map[string]string `json:"payload,omitempty"`
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CreatedAt time.Time `json:"created_at,omitempty"`
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ResolvedAt time.Time `json:"resolved_at,omitempty"`
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// The authoritative timestamp.
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Timestamp time.Time `json:"timestamp"`
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}
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// Name returns the name of the alert. It is equivalent to the "alertname" label.
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func (a *Alert) Name() string {
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return string(a.Labels[model.AlertNameLabel])
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}
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// func (a *Alert) Merge(o *Alert) bool {
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// }
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// Fingerprint returns a unique hash for the alert. It is equivalent to
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// the fingerprint of the alert's label set.
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func (a *Alert) Fingerprint() model.Fingerprint {
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return a.Labels.Fingerprint()
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}
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func (a *Alert) String() string {
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s := fmt.Sprintf("%s[%s]", a.Name(), a.Fingerprint())
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if a.Resolved() {
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return s + "[resolved]"
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}
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return s + "[active]"
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}
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func (a *Alert) Resolved() bool {
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if a.ResolvedAt.IsZero() {
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return false
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}
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return !a.ResolvedAt.After(time.Now())
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}
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// alertTimeline is a list of alerts sorted by their timestamp.
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type alertTimeline []*Alert
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func (at alertTimeline) Len() int { return len(at) }
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func (at alertTimeline) Less(i, j int) bool { return at[i].Timestamp.Before(at[j].Timestamp) }
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func (at alertTimeline) Swap(i, j int) { at[i], at[j] = at[j], at[i] }
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// A Silencer determines whether a given label set is muted.
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type Silencer interface {
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Mutes(model.LabelSet) bool
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}
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// A Silence determines whether a given label set is muted
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// at the current time.
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type Silence struct {
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ID model.Fingerprint
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// A set of matchers determining if an alert is
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Matchers Matchers
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// Name/email of the silence creator.
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CreatedBy string
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// When the silence was first created (Unix timestamp).
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CreatedAt, EndsAt time.Time
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// Additional comment about the silence.
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Comment string
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// timeFunc provides the time against which to evaluate
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// the silence.
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timeFunc func() time.Time
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}
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func (sil *Silence) Mutes(lset model.LabelSet) bool {
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t := sil.timeFunc()
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if t.Before(sil.CreatedAt) || t.After(sil.EndsAt) {
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return false
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}
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return sil.Matchers.Match(lset)
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}
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