Documentation
¶
Overview ¶
Package prometheus contains a Prometheus exporter that supports exporting OpenCensus views as Prometheus metrics.
Example ¶
package main
import (
"log"
"net/http"
"github.com/cloudian/opencensus-go/exporter/prometheus"
)
func main() {
exporter, err := prometheus.NewExporter(prometheus.Options{})
if err != nil {
log.Fatal(err)
}
// Serve the scrape endpoint on port 9999.
http.Handle("/metrics", exporter)
log.Fatal(http.ListenAndServe(":9999", nil))
}
Output:
Index ¶
Examples ¶
Constants ¶
This section is empty.
Variables ¶
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Functions ¶
This section is empty.
Types ¶
type Exporter ¶
type Exporter struct {
// contains filtered or unexported fields
}
Exporter exports stats to Prometheus, users need to register the exporter as an http.Handler to be able to export.
func NewExporter ¶
NewExporter returns an exporter that exports stats to Prometheus.
func (*Exporter) ExportView
deprecated
ExportView exports to the Prometheus if view data has one or more rows. Each OpenCensus AggregationData will be converted to corresponding Prometheus Metric: SumData will be converted to Untyped Metric, CountData will be a Counter Metric, DistributionData will be a Histogram Metric.
Deprecated: in lieu of metricexport.Reader interface.
func (*Exporter) ServeHTTP ¶
func (e *Exporter) ServeHTTP(w http.ResponseWriter, r *http.Request)
ServeHTTP serves the Prometheus endpoint.
func (*Exporter) SetConstLabel ¶ added in v0.30.0
SetConstLabel set/updates constant prometheus labels.
type Options ¶
type Options struct {
Namespace string
Registry *prometheus.Registry
Registerer prometheus.Registerer
Gatherer prometheus.Gatherer
OnError func(err error)
ConstLabels prometheus.Labels // ConstLabels will be set as labels on all views.
}
Options contains options for configuring the exporter.
Source Files