mv metrics to github.com/go-gost/x
This commit is contained in:
ginuerzh
@ -1,17 +1,31 @@
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package metrics
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import (
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"os"
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type MetricName string
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"github.com/prometheus/client_golang/prometheus"
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const (
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MetricServicesGauge MetricName = "gost_services"
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MetricServiceRequestsCounter MetricName = "gost_service_requests_total"
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MetricServiceRequestsInFlightGauge MetricName = "gost_service_requests_in_flight"
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MetricServiceRequestsDurationObserver MetricName = "gost_service_request_duration_seconds"
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MetricServiceTransferInputBytesCounter MetricName = "gost_service_transfer_input_bytes_total"
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MetricServiceTransferOutputBytesCounter MetricName = "gost_service_transfer_output_bytes_total"
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MetricNodeConnectDurationObserver MetricName = "gost_chain_node_connect_duration_seconds"
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MetricServiceHandlerErrorsCounter MetricName = "gost_service_handler_errors_total"
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MetricChainErrorsCounter MetricName = "gost_chain_errors_total"
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)
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type Labels map[string]string
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var (
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metrics *Metrics
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metrics Metrics = Noop()
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)
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func SetGlobal(m *Metrics) {
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metrics = m
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func SetGlobal(m Metrics) {
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if m != nil {
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metrics = m
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} else {
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metrics = Noop()
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}
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}
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type Gauge interface {
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@ -30,195 +44,20 @@ type Observer interface {
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Observe(float64)
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}
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type Metrics struct {
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host string
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services *prometheus.GaugeVec
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requests *prometheus.CounterVec
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requestsInFlight *prometheus.GaugeVec
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requestSeconds *prometheus.HistogramVec
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chainNodeConnectSecconds *prometheus.HistogramVec
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inputBytes *prometheus.CounterVec
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outputBytes *prometheus.CounterVec
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handlerErrors *prometheus.CounterVec
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chainErrors *prometheus.CounterVec
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type Metrics interface {
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Counter(name MetricName, labels Labels) Counter
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Gauge(name MetricName, labels Labels) Gauge
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Observer(name MetricName, labels Labels) Observer
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}
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func NewMetrics() *Metrics {
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host, _ := os.Hostname()
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m := &Metrics{
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host: host,
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services: prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "gost_services",
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Help: "Current number of services",
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},
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[]string{"host"}),
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requests: prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Name: "gost_service_requests_total",
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Help: "Total number of requests",
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},
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[]string{"host", "service"}),
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requestsInFlight: prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "gost_service_requests_in_flight",
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Help: "Current in-flight requests",
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},
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[]string{"host", "service"}),
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requestSeconds: prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Name: "gost_service_request_duration_seconds",
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Help: "Distribution of request latencies",
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Buckets: []float64{
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.005, .01, .025, .05, .1, .25, .5, 1, 2.5, 5, 10, 15, 30, 60,
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},
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},
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[]string{"host", "service"}),
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chainNodeConnectSecconds: prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Name: "gost_chain_node_connect_duration_seconds",
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Help: "Distribution of chain node connect latencies",
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Buckets: []float64{
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.01, .05, .1, .25, .5, 1, 1.5, 2, 5, 10, 15, 30, 60,
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},
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},
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[]string{"host", "chain", "node"}),
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inputBytes: prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Name: "gost_service_transfer_input_bytes_total",
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Help: "Total service input data transfer size in bytes",
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},
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[]string{"host", "service"}),
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outputBytes: prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Name: "gost_service_transfer_output_bytes_total",
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Help: "Total service output data transfer size in bytes",
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},
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[]string{"host", "service"}),
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handlerErrors: prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Name: "gost_service_handler_errors_total",
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Help: "Total service handler errors",
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},
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[]string{"host", "service"}),
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chainErrors: prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Name: "gost_chain_errors_total",
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Help: "Total chain errors",
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},
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[]string{"host", "chain"}),
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}
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prometheus.MustRegister(m.services)
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prometheus.MustRegister(m.requests)
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prometheus.MustRegister(m.requestsInFlight)
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prometheus.MustRegister(m.requestSeconds)
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prometheus.MustRegister(m.chainNodeConnectSecconds)
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prometheus.MustRegister(m.inputBytes)
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prometheus.MustRegister(m.outputBytes)
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prometheus.MustRegister(m.handlerErrors)
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prometheus.MustRegister(m.chainErrors)
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return m
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func GetCounter(name MetricName, labels Labels) Counter {
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return metrics.Counter(name, labels)
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}
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func Services() Gauge {
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if metrics == nil || metrics.services == nil {
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return nilGauge
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}
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return metrics.services.
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With(prometheus.Labels{
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"host": metrics.host,
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})
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func GetGauge(name MetricName, labels Labels) Gauge {
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return metrics.Gauge(name, labels)
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}
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func Requests(service string) Counter {
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if metrics == nil || metrics.requests == nil {
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return nilCounter
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}
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return metrics.requests.
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With(prometheus.Labels{
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"host": metrics.host,
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"service": service,
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})
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}
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func RequestsInFlight(service string) Gauge {
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if metrics == nil || metrics.requestsInFlight == nil {
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return nilGauge
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}
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return metrics.requestsInFlight.
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With(prometheus.Labels{
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"host": metrics.host,
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"service": service,
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})
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}
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func RequestSeconds(service string) Observer {
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if metrics == nil || metrics.requestSeconds == nil {
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return nilObserver
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}
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return metrics.requestSeconds.
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With(prometheus.Labels{
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"host": metrics.host,
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"service": service,
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})
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}
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func ChainNodeConnectSeconds(chain, node string) Observer {
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if metrics == nil || metrics.chainNodeConnectSecconds == nil {
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return nilObserver
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}
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return metrics.chainNodeConnectSecconds.
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With(prometheus.Labels{
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"host": metrics.host,
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"chain": chain,
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"node": node,
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})
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}
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func InputBytes(service string) Counter {
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if metrics == nil || metrics.inputBytes == nil {
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return nilCounter
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}
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return metrics.inputBytes.
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With(prometheus.Labels{
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"host": metrics.host,
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"service": service,
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})
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}
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func OutputBytes(service string) Counter {
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if metrics == nil || metrics.outputBytes == nil {
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return nilCounter
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}
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return metrics.outputBytes.
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With(prometheus.Labels{
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"host": metrics.host,
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"service": service,
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})
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}
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func HandlerErrors(service string) Counter {
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if metrics == nil || metrics.handlerErrors == nil {
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return nilCounter
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}
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return metrics.handlerErrors.
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With(prometheus.Labels{
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"host": metrics.host,
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"service": service,
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})
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}
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func ChainErrors(chain string) Counter {
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if metrics == nil || metrics.chainErrors == nil {
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return nilCounter
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}
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return metrics.chainErrors.
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With(prometheus.Labels{
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"host": metrics.host,
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"chain": chain,
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})
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func GetObserver(name MetricName, labels Labels) Observer {
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return metrics.Observer(name, labels)
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}
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