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Alerting: log external alertmanager URLs #54127

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Santiago 2022-08-24 17:52:39 +00:00 committed by GitHub
parent c8f2148f75
commit 4fad827acd
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 7 deletions
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28
pkg/services/ngalert/sender/router.go
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@ -127,27 +127,41 @@ func (d *AlertsRouter) SyncAndApplyConfigFromDatabase() error {
continue
}
d.logger.Debug("alertmanagers found in the configuration", "alertmanagers", cfg.Alertmanagers)
// Avoid logging sensitive data
var redactedAMs []string
for _, am := range cfg.Alertmanagers {
parsedAM, err := url.Parse(am)
if err != nil {
d.logger.Error("failed to parse alertmanager string",
"org", cfg.OrgID,
"err", err)
continue
}
redactedAMs = append(redactedAMs, parsedAM.Redacted())
}
d.logger.Debug("alertmanagers found in the configuration", "alertmanagers", redactedAMs)
// We have a running sender, check if we need to apply a new config.
amHash := cfg.AsSHA256()
if ok {
if d.externalAlertmanagersCfgHash[cfg.OrgID] == cfg.AsSHA256() {
d.logger.Debug("sender configuration is the same as the one running, no-op", "org", cfg.OrgID, "alertmanagers", cfg.Alertmanagers)
if d.externalAlertmanagersCfgHash[cfg.OrgID] == amHash {
d.logger.Debug("sender configuration is the same as the one running, no-op", "org", cfg.OrgID, "alertmanagers", redactedAMs)
continue
}
d.logger.Debug("applying new configuration to sender", "org", cfg.OrgID, "alertmanagers", cfg.Alertmanagers)
d.logger.Debug("applying new configuration to sender", "org", cfg.OrgID, "alertmanagers", redactedAMs)
err := existing.ApplyConfig(cfg)
if err != nil {
d.logger.Error("failed to apply configuration", "err", err, "org", cfg.OrgID)
continue
}
d.externalAlertmanagersCfgHash[cfg.OrgID] = cfg.AsSHA256()
d.externalAlertmanagersCfgHash[cfg.OrgID] = amHash
continue
}
// No sender and have Alertmanager(s) to send to - start a new one.
d.logger.Info("creating new sender for the external alertmanagers", "org", cfg.OrgID, "alertmanagers", cfg.Alertmanagers)
d.logger.Info("creating new sender for the external alertmanagers", "org", cfg.OrgID, "alertmanagers", redactedAMs)
s, err := NewExternalAlertmanagerSender()
if err != nil {
d.logger.Error("unable to start the sender", "err", err, "org", cfg.OrgID)
@ -163,7 +177,7 @@ func (d *AlertsRouter) SyncAndApplyConfigFromDatabase() error {
continue
}
d.externalAlertmanagersCfgHash[cfg.OrgID] = cfg.AsSHA256()
d.externalAlertmanagersCfgHash[cfg.OrgID] = amHash
}
sendersToStop := map[int64]*ExternalAlertmanager{}