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rules: preserve alert state across reloads.

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This commit is contained in:
Fabian Reinartz 2015-06-23 12:07:53 +02:00
parent 4625485b84
commit 9bd4f6d017
1 changed files with 18 additions and 0 deletions
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18
rules/manager.go
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@ -294,6 +294,13 @@ func (m *Manager) ApplyConfig(conf *config.Config) bool {
success := true
m.interval = time.Duration(conf.GlobalConfig.EvaluationInterval)
alertingRules := map[string]*AlertingRule{}
for _, r := range m.rules {
if ar, ok := r.(*AlertingRule); ok {
alertingRules[ar.name] = ar
}
}
rulesSnapshot := make([]Rule, len(m.rules))
copy(rulesSnapshot, m.rules)
m.rules = m.rules[:0]
@ -314,6 +321,17 @@ func (m *Manager) ApplyConfig(conf *config.Config) bool {
log.Errorf("Error loading rules, previous rule set restored: %s", err)
success = false
}
// Restore alerting rule state.
for _, r := range m.rules {
ar, ok := r.(*AlertingRule)
if !ok {
continue
}
if old, ok := alertingRules[ar.name]; ok {
ar.activeAlerts = old.activeAlerts
}
}
return success
}