/
metrics.go
67 lines (60 loc) · 1.98 KB
/
metrics.go
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package retrieval
import (
"github.com/prometheus/client_golang/prometheus"
m "github.com/FavorLabs/favorX/pkg/metrics"
)
type metrics struct {
// all metrics fields must be exported
// to be able to return them by Metrics()
// using reflection
RequestCounter prometheus.Counter
PeerRequestCounter prometheus.Counter
TotalRetrieved prometheus.Counter
InvalidChunkRetrieved prometheus.Counter
TotalErrors prometheus.Counter
TotalTransferred prometheus.Counter
ChunkTransferredError prometheus.Counter
}
func newMetrics() metrics {
subsystem := "retrieval"
return metrics{
RequestCounter: prometheus.NewCounter(prometheus.CounterOpts{
Subsystem: subsystem,
Name: "request_count",
Help: "Number of requests to retrieve chunks.",
}),
PeerRequestCounter: prometheus.NewCounter(prometheus.CounterOpts{
Subsystem: subsystem,
Name: "peer_request_count",
Help: "Number of request to single peer.",
}),
TotalRetrieved: prometheus.NewCounter(prometheus.CounterOpts{
Subsystem: subsystem,
Name: "total_retrieved",
Help: "Total chunks retrieved.",
}),
InvalidChunkRetrieved: prometheus.NewCounter(prometheus.CounterOpts{
Subsystem: subsystem,
Name: "invalid_chunk_retrieved",
Help: "Invalid chunk retrieved from peer.",
}),
TotalErrors: prometheus.NewCounter(prometheus.CounterOpts{
Subsystem: subsystem,
Name: "total_errors",
Help: "Total number of errors while retrieving chunk.",
}),
TotalTransferred: prometheus.NewCounter(prometheus.CounterOpts{
Subsystem: subsystem,
Name: "total_transferred",
Help: "Total chunk transferred",
}),
ChunkTransferredError: prometheus.NewCounter(prometheus.CounterOpts{
Subsystem: subsystem,
Name: "chunk_transferred_error",
Help: "error chunk transferred from peer.",
}),
}
}
func (s *Service) Metrics() []prometheus.Collector {
return m.PrometheusCollectorsFromFields(s.metrics)
}