Rack::Tracer
Installation
Add this line to your application's Gemfile:
gem 'rack-tracer'
Usage
require 'opentracing'
OpenTracing.global_tracer = TracerImplementation.new
require 'rack/tracer'
use Rack::Tracer
You can access the created span using
env['rack.span']
or you can use
OpenTracing.active_span
See opentracing-ruby for more information how active_span works and what are its limitations.
You can also add start and finish span callbacks
use Rack::Tracer,
on_start_span: ->(span) { do_something(span) },
on_finish_span: ->(_span) { do_something(span) }
Development
After checking out the repo, run bin/setup
to install dependencies. Then, run rake spec
to run the tests. You can also run bin/console
for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install
. To release a new version, update the version number in version.rb
, and then run bundle exec rake release
, which will create a git tag for the version, push git commits and tags, and push the .gem
file to rubygems.org.
Contributing
Bug reports and pull requests are welcome on GitHub at https://github.com/opentracing-contrib/ruby-rack-tracer.
License
The gem is available as open source under the terms of the MIT License.