func()

in v1storage/persistence.go [1300:1334]

• 32 lines of code
• 9 McCabe index (conditional complexity)

func (p *persistence) close() error {
	close(p.indexingQueue)
	<-p.indexingStopped

	var lastError, dirtyFileRemoveError error
	if err := p.archivedFingerprintToMetrics.Close(); err != nil {
		lastError = err
		log.Error("Error closing archivedFingerprintToMetric index DB: ", err)
	}
	if err := p.archivedFingerprintToTimeRange.Close(); err != nil {
		lastError = err
		log.Error("Error closing archivedFingerprintToTimeRange index DB: ", err)
	}
	if err := p.labelPairToFingerprints.Close(); err != nil {
		lastError = err
		log.Error("Error closing labelPairToFingerprints index DB: ", err)
	}
	if err := p.labelNameToLabelValues.Close(); err != nil {
		lastError = err
		log.Error("Error closing labelNameToLabelValues index DB: ", err)
	}
	if lastError == nil && !p.isDirty() {
		dirtyFileRemoveError = os.Remove(p.dirtyFileName)
	}
	if err := p.fLock.Release(); err != nil {
		lastError = err
		log.Error("Error releasing file lock: ", err)
	}
	if dirtyFileRemoveError != nil {
		// On Windows, removing the dirty file before unlocking is not
		// possible.  So remove it here if it failed above.
		lastError = os.Remove(p.dirtyFileName)
	}
	return lastError
}