mirror of
https://github.com/prometheus/alertmanager
synced 2024-12-24 15:12:37 +00:00
93 lines
2.0 KiB
Go
93 lines
2.0 KiB
Go
// Copyright 2013 Prometheus Team
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package manager
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import (
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"fmt"
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"hash/fnv"
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"sort"
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)
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const AlertNameLabel = "alertname"
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type AlertFingerprint uint64
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type AlertLabelSet map[string]string
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type AlertLabelSets []AlertLabelSet
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type AlertPayload map[string]string
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type Alerts []*Alert
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// Alert models an action triggered by Prometheus.
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type Alert struct {
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// Short summary of alert.
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Summary string
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// Long description of alert.
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Description string
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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 AlertLabelSet
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// Extra key/value information which is not used for aggregation.
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Payload AlertPayload
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}
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func (a *Alert) Name() string {
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return a.Labels[AlertNameLabel]
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}
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func (a *Alert) Fingerprint() AlertFingerprint {
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return a.Labels.Fingerprint()
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}
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func (l AlertLabelSet) Fingerprint() AlertFingerprint {
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keys := []string{}
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for k := range l {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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summer := fnv.New64a()
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separator := string([]byte{0})
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for _, k := range keys {
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fmt.Fprintf(summer, "%s%s%s%s", k, separator, l[k], separator)
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}
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return AlertFingerprint(summer.Sum64())
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}
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func (l AlertLabelSet) Equal(o AlertLabelSet) bool {
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if len(l) != len(o) {
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return false
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}
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for k, v := range l {
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if o[k] != v {
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return false
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}
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}
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return true
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}
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func (l AlertLabelSet) MatchOnLabels(o AlertLabelSet, labels []string) bool {
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for _, k := range labels {
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if l[k] != o[k] {
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return false
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}
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}
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return true
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}
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