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vmalert: add Group name as label to generated alerts and timeseries (#761)

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Solves #611
This commit is contained in:
Roman Khavronenko 2020-09-11 20:52:56 +01:00 committed by GitHub
parent 4cdffb04a4
commit 6ad6480400
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 4 deletions
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16
app/vmalert/alerting.go
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@ -26,6 +26,7 @@ type AlertingRule struct {
Labels map[string]string
Annotations map[string]string
GroupID uint64
GroupName string
// guard status fields
mu sync.RWMutex
@ -56,6 +57,7 @@ func newAlertingRule(group *Group, cfg config.Rule) *AlertingRule {
Labels: cfg.Labels,
Annotations: cfg.Annotations,
GroupID: group.ID(),
GroupName: group.Name,
alerts: make(map[uint64]*notifier.Alert),
metrics: &alertingRuleMetrics{},
}
@ -242,6 +244,9 @@ func (ar *AlertingRule) newAlert(m datasource.Metric, start time.Time) (*notifie
Start: start,
Expr: ar.Expr,
}
// label defined here to make override possible by
// time series labels.
a.Labels[alertGroupNameLabel] = ar.GroupName
for _, l := range m.Labels {
// drop __name__ to be consistent with Prometheus alerting
if l.Name == "__name__" {
@ -336,15 +341,18 @@ func (ar *AlertingRule) newAlertAPI(a notifier.Alert) *APIAlert {
}
const (
// AlertMetricName is the metric name for synthetic alert timeseries.
// alertMetricName is the metric name for synthetic alert timeseries.
alertMetricName = "ALERTS"
// AlertForStateMetricName is the metric name for 'for' state of alert.
// alertForStateMetricName is the metric name for 'for' state of alert.
alertForStateMetricName = "ALERTS_FOR_STATE"
// AlertNameLabel is the label name indicating the name of an alert.
// alertNameLabel is the label name indicating the name of an alert.
alertNameLabel = "alertname"
// AlertStateLabel is the label name indicating the state of an alert.
// alertStateLabel is the label name indicating the state of an alert.
alertStateLabel = "alertstate"
// alertGroupNameLabel defines the label name attached for generated time series.
alertGroupNameLabel = "alertgroup"
)
// alertToTimeSeries converts the given alert with the given timestamp to timeseries