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62 lines
2.0 KiB
Markdown
62 lines
2.0 KiB
Markdown
# OpenCensus Agent Go Exporter
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[![Build Status][travis-image]][travis-url] [![GoDoc][godoc-image]][godoc-url]
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This repository contains the Go implementation of the OpenCensus Agent (OC-Agent) Exporter.
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OC-Agent is a deamon process running in a VM that can retrieve spans/stats/metrics from
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OpenCensus Library, export them to other backends and possibly push configurations back to
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Library. See more details on [OC-Agent Readme][OCAgentReadme].
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Note: This is an experimental repository and is likely to get backwards-incompatible changes.
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Ultimately we may want to move the OC-Agent Go Exporter to [OpenCensus Go core library][OpenCensusGo].
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## Installation
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```bash
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$ go get -u contrib.go.opencensus.io/exporter/ocagent
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```
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## Usage
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```go
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import (
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"context"
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"fmt"
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"log"
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"time"
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"contrib.go.opencensus.io/exporter/ocagent"
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"go.opencensus.io/trace"
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)
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func Example() {
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exp, err := ocagent.NewExporter(ocagent.WithInsecure(), ocagent.WithServiceName("your-service-name"))
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if err != nil {
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log.Fatalf("Failed to create the agent exporter: %v", err)
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}
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defer exp.Stop()
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// Now register it as a trace exporter.
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trace.RegisterExporter(exp)
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// Then use the OpenCensus tracing library, like we normally would.
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ctx, span := trace.StartSpan(context.Background(), "AgentExporter-Example")
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defer span.End()
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for i := 0; i < 10; i++ {
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_, iSpan := trace.StartSpan(ctx, fmt.Sprintf("Sample-%d", i))
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<-time.After(6 * time.Millisecond)
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iSpan.End()
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}
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}
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```
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[OCAgentReadme]: https://github.com/census-instrumentation/opencensus-proto/tree/master/opencensus/proto/agent#opencensus-agent-proto
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[OpenCensusGo]: https://github.com/census-instrumentation/opencensus-go
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[godoc-image]: https://godoc.org/contrib.go.opencensus.io/exporter/ocagent?status.svg
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[godoc-url]: https://godoc.org/contrib.go.opencensus.io/exporter/ocagent
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[travis-image]: https://travis-ci.org/census-ecosystem/opencensus-go-exporter-ocagent.svg?branch=master
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[travis-url]: https://travis-ci.org/census-ecosystem/opencensus-go-exporter-ocagent
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