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This repository has been archived by the owner on Oct 3, 2023. It is now read-only.

census-ecosystem/opencensus-go-exporter-ocagent

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Warning

OpenCensus and OpenTracing have merged to form OpenTelemetry, which serves as the next major version of OpenCensus and OpenTracing.

OpenTelemetry has now reached feature parity with OpenCensus, with tracing and metrics SDKs available in .NET, Golang, Java, NodeJS, and Python. All OpenCensus Github repositories, except census-instrumentation/opencensus-python, will be archived on July 31st, 2023. We encourage users to migrate to OpenTelemetry by this date.

To help you gradually migrate your instrumentation to OpenTelemetry, bridges are available in Java, Go, Python, and JS. Read the full blog post to learn more.

OpenCensus Agent Go Exporter

Build Status GoDoc

This repository contains the Go implementation of the OpenCensus Agent (OC-Agent) Exporter. OC-Agent is a deamon process running in a VM that can retrieve spans/stats/metrics from OpenCensus Library, export them to other backends and possibly push configurations back to Library. See more details on OC-Agent Readme.

Note: This is an experimental repository and is likely to get backwards-incompatible changes. Ultimately we may want to move the OC-Agent Go Exporter to OpenCensus Go core library.

Installation

$ go get -u contrib.go.opencensus.io/exporter/ocagent

Usage

import (
	"context"
	"fmt"
	"log"
	"time"

	"contrib.go.opencensus.io/exporter/ocagent"
	"go.opencensus.io/trace"
)

func Example() {
	exp, err := ocagent.NewExporter(ocagent.WithInsecure(), ocagent.WithServiceName("your-service-name"))
	if err != nil {
		log.Fatalf("Failed to create the agent exporter: %v", err)
	}
	defer exp.Stop()

	// Now register it as a trace exporter.
	trace.RegisterExporter(exp)

	// Then use the OpenCensus tracing library, like we normally would.
	ctx, span := trace.StartSpan(context.Background(), "AgentExporter-Example")
	defer span.End()

	for i := 0; i < 10; i++ {
		_, iSpan := trace.StartSpan(ctx, fmt.Sprintf("Sample-%d", i))
		<-time.After(6 * time.Millisecond)
		iSpan.End()
	}
}