metrics

var (
	CQStatuses = []ClusterQueueStatus{CQStatusPending, CQStatusActive, CQStatusTerminating}

	AdmissionAttemptsTotal = prometheus.NewCounterVec(
		prometheus.CounterOpts{
			Subsystem: constants.KueueName,
			Name:      "admission_attempts_total",
			Help: `The total number of attempts to admit workloads.
Each admission attempt might try to admit more than one workload.
The label 'result' can have the following values:
- 'success' means that at least one workload was admitted.,
- 'inadmissible' means that no workload was admitted.`,
		}, []string{"result"},
	)

	PendingWorkloads = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Subsystem: constants.KueueName,
			Name:      "pending_workloads",
			Help: `The number of pending workloads, per 'cluster_queue' and 'status'.
'status' can have the following values:
- "active" means that the workloads are in the admission queue.
- "inadmissible" means there was a failed admission attempt for these workloads and they won't be retried until cluster conditions, which could make this workload admissible, change`,
		}, []string{"cluster_queue", "status"},
	)

	QuotaReservedWorkloadsTotal = prometheus.NewCounterVec(
		prometheus.CounterOpts{
			Subsystem: constants.KueueName,
			Name:      "quota_reserved_workloads_total",
			Help:      "The total number of quota reserved workloads per 'cluster_queue'",
		}, []string{"cluster_queue"},
	)

	AdmittedWorkloadsTotal = prometheus.NewCounterVec(
		prometheus.CounterOpts{
			Subsystem: constants.KueueName,
			Name:      "admitted_workloads_total",
			Help:      "The total number of admitted workloads per 'cluster_queue'",
		}, []string{"cluster_queue"},
	)

	ReservingActiveWorkloads = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Subsystem: constants.KueueName,
			Name:      "reserving_active_workloads",
			Help:      "The number of Workloads that are reserving quota, per 'cluster_queue'",
		}, []string{"cluster_queue"},
	)

	AdmittedActiveWorkloads = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Subsystem: constants.KueueName,
			Name:      "admitted_active_workloads",
			Help:      "The number of admitted Workloads that are active (unsuspended and not finished), per 'cluster_queue'",
		}, []string{"cluster_queue"},
	)

	ClusterQueueByStatus = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Subsystem: constants.KueueName,
			Name:      "cluster_queue_status",
			Help: `Reports 'cluster_queue' with its 'status' (with possible values 'pending', 'active' or 'terminated').
For a ClusterQueue, the metric only reports a value of 1 for one of the statuses.`,
		}, []string{"cluster_queue", "status"},
	)

	// Optional cluster queue metrics
	ClusterQueueResourceReservations = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Subsystem: constants.KueueName,
			Name:      "cluster_queue_resource_reservation",
			Help:      `Reports the cluster_queue's total resource reservation within all the flavors`,
		}, []string{"cohort", "cluster_queue", "flavor", "resource"},
	)

	ClusterQueueResourceUsage = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Subsystem: constants.KueueName,
			Name:      "cluster_queue_resource_usage",
			Help:      `Reports the cluster_queue's total resource usage within all the flavors`,
		}, []string{"cohort", "cluster_queue", "flavor", "resource"},
	)

	ClusterQueueResourceNominalQuota = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Subsystem: constants.KueueName,
			Name:      "cluster_queue_nominal_quota",
			Help:      `Reports the cluster_queue's resource nominal quota within all the flavors`,
		}, []string{"cohort", "cluster_queue", "flavor", "resource"},
	)

	ClusterQueueResourceBorrowingLimit = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Subsystem: constants.KueueName,
			Name:      "cluster_queue_borrowing_limit",
			Help:      `Reports the cluster_queue's resource borrowing limit within all the flavors`,
		}, []string{"cohort", "cluster_queue", "flavor", "resource"},
	)

	ClusterQueueResourceLendingLimit = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Subsystem: constants.KueueName,
			Name:      "cluster_queue_lending_limit",
			Help:      `Reports the cluster_queue's resource lending limit within all the flavors`,
		}, []string{"cohort", "cluster_queue", "flavor", "resource"},
	)
)