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opentelemetry-go/example
dependabot[bot] 4e71b4ef4f
Bump google.golang.org/grpc from 1.29.1 to 1.30.0 in /exporters/trace/jaeger (#853)
* Bump google.golang.org/grpc in /exporters/trace/jaeger

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.29.1 to 1.30.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.29.1...v1.30.0)

Signed-off-by: dependabot[bot] <support@github.com>

* Auto-fix go.sum changes in dependent modules

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dependabot[bot] <dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
2020-06-23 11:36:55 -07:00
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basic Bumps github.com/golang/protobuf from 1.3.2 to 1.4.2 (#848) 2020-06-22 17:59:28 -04:00
grpc Bumps github.com/golang/protobuf from 1.3.2 to 1.4.2 (#848) 2020-06-22 17:59:28 -04:00
http Bumps github.com/golang/protobuf from 1.3.2 to 1.4.2 (#848) 2020-06-22 17:59:28 -04:00
jaeger Bump google.golang.org/grpc from 1.29.1 to 1.30.0 in /exporters/trace/jaeger (#853) 2020-06-23 11:36:55 -07:00
namedtracer Bumps github.com/golang/protobuf from 1.3.2 to 1.4.2 (#848) 2020-06-22 17:59:28 -04:00
otel-collector Merge otlp collector examples (#841) 2020-06-23 08:37:07 -07:00
prometheus Bump github.com/prometheus/client_golang from 1.5.0 to 1.7.0 in /exporters/metric/prometheus (#838) 2020-06-22 14:54:56 -04:00
zipkin Bump google.golang.org/grpc from 1.29.1 to 1.30.0 in /exporters/trace/zipkin (#854) 2020-06-23 11:27:08 -07:00
README.md Split OTLP README to own directory 2020-06-01 13:27:23 -05:00

Example

HTTP

This is a simple example that demonstrates tracing http request from client to server. The example shows key aspects of tracing such as:

  • Root Span (on Client)
  • Child Span (on Client)
  • Child Span from a Remote Parent (on Server)
  • SpanContext Propagation (from Client to Server)
  • Span Events
  • Span Attributes

Example uses

  • open-telemetry SDK as trace instrumentation provider,
  • httptrace plugin to facilitate tracing http request on client and server
  • http trace_context propagation to propagate SpanContext on the wire.
  • stdout exporter to print information about spans in the terminal

How to run?

Prequisites

  • go 1.13 installed
  • GOPATH is configured.

1 Download git repo

GO111MODULE="" go get -d go.opentelemetry.io/otel

2 Start Server

cd $GOPATH/src/go.opentelemetry.io/otel/example/http/
go run ./server/server.go

3 Start Client

cd $GOPATH/src/go.opentelemetry.io/otel/example/http/
go run ./client/client.go

4 Check traces in stdout

The spans should be visible in stdout in the order that they were exported.