metrics.go

package sandboxset

import (
	"github.com/prometheus/client_golang/prometheus"
	"sigs.k8s.io/controller-runtime/pkg/metrics"
)

var (
	// SandboxSetReplicas tracks the total number of replicas in each SandboxSet
	SandboxSetReplicas = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "sandboxset_replicas",
			Help: "Current number of replicas in the SandboxSet",
		},
		[]string{"namespace", "name"},
	)

	// SandboxSetAvailableReplicas tracks the number of available replicas in each SandboxSet
	SandboxSetAvailableReplicas = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "sandboxset_available_replicas",
			Help: "Current number of available replicas in the SandboxSet",
		},
		[]string{"namespace", "name"},
	)

	// SandboxSetDesiredReplicas tracks the desired number of replicas in each SandboxSet
	SandboxSetDesiredReplicas = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "sandboxset_desired_replicas",
			Help: "Desired number of replicas in the SandboxSet",
		},
		[]string{"namespace", "name"},
	)
)

func init() {
	// Register custom metrics with the global prometheus registry
	metrics.Registry.MustRegister(SandboxSetReplicas, SandboxSetAvailableReplicas, SandboxSetDesiredReplicas)
}