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metrics.go
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metrics.go
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package worker
import "github.com/prometheus/client_golang/prometheus"
func (p *Pool) setupMetrics(prefix string) {
prometheus.MustRegister(prometheus.NewGaugeFunc(
prometheus.GaugeOpts{
Name: prefix + "_pool_workers_running",
Help: "Number of running worker goroutines",
},
func() float64 {
return float64(p.RunningWorkers())
}))
prometheus.MustRegister(prometheus.NewGaugeFunc(
prometheus.GaugeOpts{
Name: prefix + "_pool_workers_idle",
Help: "Number of idle worker goroutines",
},
func() float64 {
return float64(p.IdleWorkers())
}))
prometheus.MustRegister(prometheus.NewCounterFunc(
prometheus.CounterOpts{
Name: prefix + "_pool_tasks_submitted_total",
Help: "Number of tasks submitted",
},
func() float64 {
return float64(p.SubmittedTasks())
}))
prometheus.MustRegister(prometheus.NewGaugeFunc(
prometheus.GaugeOpts{
Name: prefix + "_pool_tasks_waiting_total",
Help: "Number of tasks waiting in the queue",
},
func() float64 {
return float64(p.WaitingTasks())
}))
prometheus.MustRegister(prometheus.NewCounterFunc(
prometheus.CounterOpts{
Name: prefix + "_pool_tasks_successful_total",
Help: "Number of tasks that completed successfully",
},
func() float64 {
return float64(p.SuccessfulTasks())
}))
prometheus.MustRegister(prometheus.NewCounterFunc(
prometheus.CounterOpts{
Name: prefix + "_pool_tasks_failed_total",
Help: "Number of tasks that completed with panic",
},
func() float64 {
return float64(p.FailedTasks())
}))
prometheus.MustRegister(prometheus.NewCounterFunc(
prometheus.CounterOpts{
Name: prefix + "_pool_tasks_completed_total",
Help: "Number of tasks that completed either successfully or with panic",
},
func() float64 {
return float64(p.CompletedTasks())
}))
}