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package collector
import (
"github.com/prometheus/client_golang/prometheus"
)
var (
inUse = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: Namespace,
Subsystem: "connpoolstats",
Name: "in_use",
Help: "Corresponds to the total number of client connections to mongo.",
// TODO: tags
}, []string{"host"})
available = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: Namespace,
Subsystem: "connpoolstats",
// TODO
Name: "available",
Help: "Corresponds to the total number of client connections to mongo.",
}, []string{"host"})
created = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: Namespace,
Subsystem: "connpoolstats",
// TODO
Name: "created",
Help: "Corresponds to the total number of client connections to mongo.",
}, []string{"host"})
)
// ServerStatus keeps the data returned by the serverStatus() method.
type HostConnPoolStats struct {
InUse float64 `bson:"inUse"`
Available float64 `bson:"available"`
Created float64 `bson:"created"`
}
// Export exports the server status to be consumed by prometheus.
func (stats *HostConnPoolStats) Export(hostname string, ch chan<- prometheus.Metric) {
inUse.WithLabelValues(hostname).Set(float64(stats.InUse))
inUse.Collect(ch)
inUse.Reset()
available.WithLabelValues(hostname).Set(float64(stats.Available))
available.Collect(ch)
available.Reset()
created.WithLabelValues(hostname).Set(float64(stats.Created))
created.Collect(ch)
created.Reset()
}
// Describe describes the server status for prometheus.
func (stats *HostConnPoolStats) Describe(ch chan<- *prometheus.Desc) {
inUse.Describe(ch)
available.Describe(ch)
created.Describe(ch)
}
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