x/metrics/metrics.go
2022-09-28 11:47:56 +08:00

53 lines
1.9 KiB
Go

package metrics
import "github.com/go-gost/core/metrics"
const (
// Number of services. Labels: host.
MetricServicesGauge metrics.MetricName = "gost_services"
// Total service requests. Labels: host, service.
MetricServiceRequestsCounter metrics.MetricName = "gost_service_requests_total"
// Number of in-flight requests. Labels: host, service.
MetricServiceRequestsInFlightGauge metrics.MetricName = "gost_service_requests_in_flight"
// Request duration historgram. Labels: host, service.
MetricServiceRequestsDurationObserver metrics.MetricName = "gost_service_request_duration_seconds"
// Total service input data transfer size in bytes. Labels: host, service.
MetricServiceTransferInputBytesCounter metrics.MetricName = "gost_service_transfer_input_bytes_total"
// Total service output data transfer size in bytes. Labels: host, service.
MetricServiceTransferOutputBytesCounter metrics.MetricName = "gost_service_transfer_output_bytes_total"
// Chain node connect duration histogram. Labels: host, chain, node.
MetricNodeConnectDurationObserver metrics.MetricName = "gost_chain_node_connect_duration_seconds"
// Total service handler errors. Labels: host, service.
MetricServiceHandlerErrorsCounter metrics.MetricName = "gost_service_handler_errors_total"
// Total chain connect errors. Labels: host, chain, node.
MetricChainErrorsCounter metrics.MetricName = "gost_chain_errors_total"
)
var (
global metrics.Metrics = Noop()
)
func Init(m metrics.Metrics) {
if m != nil {
global = m
} else {
global = Noop()
}
}
func IsEnabled() bool {
return global != Noop()
}
func GetCounter(name metrics.MetricName, labels metrics.Labels) metrics.Counter {
return global.Counter(name, labels)
}
func GetGauge(name metrics.MetricName, labels metrics.Labels) metrics.Gauge {
return global.Gauge(name, labels)
}
func GetObserver(name metrics.MetricName, labels metrics.Labels) metrics.Observer {
return global.Observer(name, labels)
}