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Alerting: No longer silence paused alerts during legacy migration (#71596)

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* Alerting: No longer silence paused alerts during legacy migration

Now that we migrate paused legacy alerts to paused UA alert rules, we no longer need to silence them.
This commit is contained in:
Matthew Jacobson 2023-07-17 09:37:53 -04:00 committed by GitHub
parent 061ccb13d8
commit 8c6cdf51fc
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3 changed files with 0 additions and 42 deletions
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1
docs/sources/alerting/set-up/migrating-alerts/_index.md
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@ -154,4 +154,3 @@ longer supported.
**Limitations**
1. Since `Hipchat` and `Sensu` notification channels are no longer supported, legacy alerts associated with these channels are not automatically migrated to Grafana Alerting. Assign the legacy alerts to a supported notification channel so that you continue to receive notifications for those alerts.
Silences (expiring after one year) are created for all paused dashboard alerts.

4
pkg/services/sqlstore/migrations/ualert/alert_rule.go
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@ -152,10 +152,6 @@ func (m *migration) makeAlertRule(l log.Logger, cond condition, da dashAlert, fo
n, v := getLabelForSilenceMatching(ar.UID)
ar.Labels[n] = v
if err := m.addSilence(da, ar); err != nil {
m.mg.Logger.Error("alert migration error: failed to create silence", "rule_name", ar.Title, "err", err)
}
if err := m.addErrorSilence(da, ar); err != nil {
m.mg.Logger.Error("alert migration error: failed to create silence for Error", "rule_name", ar.Title, "err", err)
}

37
pkg/services/sqlstore/migrations/ualert/silences.go
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@ -26,43 +26,6 @@ const (
ErrorAlertName = "DatasourceError"
)
func (m *migration) addSilence(da dashAlert, rule *alertRule) error {
if da.State != "paused" {
return nil
}
uid, err := uuid.NewRandom()
if err != nil {
return errors.New("failed to create uuid for silence")
}
n, v := getLabelForSilenceMatching(rule.UID)
s := &pb.MeshSilence{
Silence: &pb.Silence{
Id: uid.String(),
Matchers: []*pb.Matcher{
{
Type: pb.Matcher_EQUAL,
Name: n,
Pattern: v,
},
},
StartsAt: time.Now(),
EndsAt: time.Now().Add(365 * 20 * time.Hour), // 1 year.
CreatedBy: "Grafana Migration",
Comment: "Created during auto migration to unified alerting",
},
ExpiresAt: time.Now().Add(365 * 20 * time.Hour), // 1 year.
}
_, ok := m.silences[da.OrgId]
if !ok {
m.silences[da.OrgId] = make([]*pb.MeshSilence, 0)
}
m.silences[da.OrgId] = append(m.silences[da.OrgId], s)
return nil
}
func (m *migration) addErrorSilence(da dashAlert, rule *alertRule) error {
if da.ParsedSettings.ExecutionErrorState != "keep_state" {
return nil