Method userExists

pkg/util/labelset/tracker.go:100–111

userExists is used for testing only to check the existence of a user.

(userId string)

// userExists is used for testing only to check the existence of a user.
func (m *LabelSetTracker) userExists(userId string) bool {
	for i := range numMetricShards {
		shard := m.shards[i]
		shard.RLock()
		defer shard.RUnlock()
		_, ok := shard.userLabelSets[userId]
		if ok {
			return true
		}
	}
	return false
}