go/

README

OpenTracing Tutorial - Go

Installing

The tutorials are using CNCF Jaeger (https://github.com/jaegertracing/jaeger) as the tracing backend, see here how to install it in a Docker image.

This repository uses Go's new dep tool to manage dependencies (installed automatically below).

When you clone the tutorials repository, it should be located in the right place under $GOPATH:

mkdir -p $GOPATH/src/github.com/yurishkuro/
cd $GOPATH/src/github.com/yurishkuro/
git clone https://github.com/yurishkuro/opentracing-tutorial.git opentracing-tutorial

After that, install the dependencies:

cd $GOPATH/src/github.com/yurishkuro/opentracing-tutorial/go
make install

The rest of the commands in the Go tutorials should be executed relative to this directory.

Lessons

• Lesson 01 - Hello World
  • Instantiate a Tracer
  • Create a simple trace
  • Annotate the trace
• Lesson 02 - Context and Tracing Functions
  • Trace individual functions
  • Combine multiple spans into a single trace
  • Propagate the in-process context
• Lesson 03 - Tracing RPC Requests
  • Trace a transaction across more than one microservice
  • Pass the context between processes using Inject and Extract
  • Apply OpenTracing-recommended tags
• Lesson 04 - Baggage
  • Understand distributed context propagation
  • Use baggage to pass data through the call graph
• Extra Credit
  • Use existing open source instrumentation