Method checkRunning

pkg/ingester/ingester.go:1240–1246

Using block store, the ingester is only available when it is in a Running state. The ingester is not available when stopping to prevent any read or writes to the TSDB after the ingester has closed them.

()

// Using block store, the ingester is only available when it is in a Running state. The ingester is not available
// when stopping to prevent any read or writes to the TSDB after the ingester has closed them.
func (i *Ingester) checkRunning() error {
	s := i.State()
	if s == services.Running {
		return nil
	}
	return status.Error(codes.Unavailable, s.String())
}

// GetRef() is an extra method added to TSDB to let Cortex check before calling Add()
type extendedAppender interface {