mirror of
https://github.com/prymitive/karma
synced 2026-05-05 03:16:51 +00:00
70 lines
2.4 KiB
Go
70 lines
2.4 KiB
Go
package models
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import (
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"fmt"
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"time"
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"github.com/cnf/structhash"
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)
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// AlertStateUnprocessed means that Alertmanager notify didn't yet process it
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// and AM doesn't know if alert is active or suppressed
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const AlertStateUnprocessed = "unprocessed"
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// AlertStateActive is the state in which we know that the alert should fire
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const AlertStateActive = "active"
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// AlertStateSuppressed means that we know that alert is silenced or inhibited
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const AlertStateSuppressed = "suppressed"
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// AlertStateList exports all alert states so other packages can get this list
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var AlertStateList = []string{
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AlertStateUnprocessed,
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AlertStateActive,
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AlertStateSuppressed,
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}
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// Alert is vanilla alert + some additional attributes
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// karma extends an alert object with:
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// * Links map, it's generated from annotations if annotation value is an url
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// it's pulled out of annotation map and returned under links field,
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// karma UI used this to show links differently than other annotations
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type Alert struct {
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Annotations Annotations `json:"annotations"`
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Labels map[string]string `json:"labels"`
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StartsAt time.Time `json:"startsAt"`
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State string `json:"state"`
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// those are not exposed in JSON, Alertmanager specific value will be in kept
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// in the Alertmanager slice
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// skip those when generating alert fingerprint too
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Fingerprint string `json:"-" hash:"-"`
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GeneratorURL string `json:"-" hash:"-"`
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SilencedBy []string `json:"-" hash:"-"`
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InhibitedBy []string `json:"-" hash:"-"`
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// karma fields
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Alertmanager []AlertmanagerInstance `json:"alertmanager"`
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Receiver string `json:"receiver"`
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// fingerprints are precomputed for speed
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LabelsFP string `json:"id" hash:"-"`
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contentFP string `hash:"-"`
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}
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// UpdateFingerprints will generate a new set of fingerprints for this alert
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// it should be called after modifying any field that isn't tagged with hash:"-"
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func (a *Alert) UpdateFingerprints() {
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a.LabelsFP = fmt.Sprintf("%x", structhash.Sha1(a.Labels, 1))
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a.contentFP = fmt.Sprintf("%x", structhash.Sha1(a, 1))
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}
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// LabelsFingerprint is a checksum computed only from labels which should be
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// unique for every alert
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func (a *Alert) LabelsFingerprint() string {
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return a.LabelsFP
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}
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// ContentFingerprint is a checksum computed from entire alert object
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// except some blacklisted fields tagged with hash:"-"
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func (a *Alert) ContentFingerprint() string {
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return a.contentFP
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}
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