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Fail health check for logs have never been contacted

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This commit is contained in:
Andrew Ayer 2025-05-07 21:22:13 -04:00
parent 37531001bc
commit 996068385f
1 changed files with 29 additions and 14 deletions
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37
monitor/healthcheck.go
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@ -24,15 +24,23 @@ func healthCheckFilename() string {
}
func healthCheckLog(ctx context.Context, config *Config, ctlog *loglist.Log) error {
state, err := config.State.LoadLogState(ctx, ctlog.LogID)
if err != nil {
var (
position uint64
lastSuccess time.Time
verifiedSTH *cttypes.SignedTreeHead
)
if state, err := config.State.LoadLogState(ctx, ctlog.LogID); err != nil {
return fmt.Errorf("error loading log state: %w", err)
} else if state == nil {
} else if state != nil {
if time.Since(state.LastSuccess) < config.HealthCheckInterval {
// log is healthy
return nil
}
if time.Since(state.LastSuccess) < config.HealthCheckInterval {
return nil
position = state.DownloadPosition.Size()
lastSuccess = state.LastSuccess
verifiedSTH = state.VerifiedSTH
}
sths, err := config.State.LoadSTHs(ctx, ctlog.LogID)
@ -43,8 +51,8 @@ func healthCheckLog(ctx context.Context, config *Config, ctlog *loglist.Log) err
if len(sths) == 0 {
info := &StaleSTHInfo{
Log: ctlog,
LastSuccess: state.LastSuccess,
LatestSTH: state.VerifiedSTH,
LastSuccess: lastSuccess,
LatestSTH: verifiedSTH,
}
if err := config.State.NotifyHealthCheckFailure(ctx, ctlog, info); err != nil {
return fmt.Errorf("error notifying about stale STH: %w", err)
@ -53,7 +61,7 @@ func healthCheckLog(ctx context.Context, config *Config, ctlog *loglist.Log) err
info := &BacklogInfo{
Log: ctlog,
LatestSTH: sths[len(sths)-1],
Position: state.DownloadPosition.Size(),
Position: position,
}
if err := config.State.NotifyHealthCheckFailure(ctx, ctlog, info); err != nil {
return fmt.Errorf("error notifying about backlog: %w", err)
@ -70,7 +78,7 @@ type HealthCheckFailure interface {
type StaleSTHInfo struct {
Log *loglist.Log
LastSuccess time.Time
LastSuccess time.Time // may be zero
LatestSTH *cttypes.SignedTreeHead // may be nil
}
@ -87,12 +95,19 @@ type StaleLogListInfo struct {
LastErrorTime time.Time
}
func (e *StaleSTHInfo) LastSuccessString() string {
if e.LastSuccess.IsZero() {
return "never"
} else {
return e.LastSuccess.String()
}
}
func (e *BacklogInfo) Backlog() uint64 {
return e.LatestSTH.TreeSize - e.Position
}
func (e *StaleSTHInfo) Summary() string {
return fmt.Sprintf("Unable to contact %s since %s", e.Log.GetMonitoringURL(), e.LastSuccess)
return fmt.Sprintf("Unable to contact %s since %s", e.Log.GetMonitoringURL(), e.LastSuccessString())
}
func (e *BacklogInfo) Summary() string {
return fmt.Sprintf("Backlog of size %d from %s", e.Backlog(), e.Log.GetMonitoringURL())
@ -103,7 +118,7 @@ func (e *StaleLogListInfo) Summary() string {
func (e *StaleSTHInfo) Text() string {
text := new(strings.Builder)
fmt.Fprintf(text, "certspotter has been unable to contact %s since %s. Consequentially, certspotter may fail to notify you about certificates in this log.\n", e.Log.GetMonitoringURL(), e.LastSuccess)
fmt.Fprintf(text, "certspotter has been unable to contact %s since %s. Consequentially, certspotter may fail to notify you about certificates in this log.\n", e.Log.GetMonitoringURL(), e.LastSuccessString())
fmt.Fprintf(text, "\n")
fmt.Fprintf(text, "For details, see certspotter's stderr output.\n")
fmt.Fprintf(text, "\n")