Clever/tracing-middleware

Name: tracing-middleware

Owner: Clever

Description: Moved to opentracing-contrib org

Created: 2016-11-30 22:31:26.0

Updated: 2018-05-19 17:18:24.0

Pushed: 2017-12-19 22:29:29.0

Homepage: https://github.com/opentracing-contrib/javascript-express

Size: 20

Language: JavaScript

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README

tracing-middleware

Middleware for express to enable opentracing. Supports any opentracing tracer compatible with version 0.11.0 of the opentracing javascript library.

Deprecated

Please note that this library has been moved to https://github.com/opentracing-contrib/javascript-express. Please use that version instead.

Install

install --save tracing-middleware

Usage

E.g., using LightStep as your tracer:

rt * as express from "express";
rt middleware from "tracing-middleware";
rt * as LightStep from "lightstep-tracer";

t lsTracer = LightStep.tracer({
cess_token   : 'foo',
mponent_name : 'bar',


t app = express();
use(middleware({tracer: lsTracer}));

Options

The middleware function takes in an options object as its only argument.

t options = {
acer: [Tracer], // Defaults to the opentracing no-op tracer.