Hello,

maybe you have already noticed that we have implemented JavaScript OpenTracing provider. 

Here [1] is a blog post demonstrating how it can be used and what features it has.  

[1] Blog post: http://www.hawkular.org/blog/2016/11/16/hawkular-apm-opentracing-js.html
Github repository: https://github.com/hawkular/hawkular-apm-opentracing-javascript
NPM: https://www.npmjs.com/package/hawkular-apm-opentracing

Regards,
--
Pavol Loffay
Cell: +421948286055
Red Hat
Purkyňova 111 TPB-B
612 45 Brno