The jaeger_passage application

Jaeger client library for Erlang

This is an extension of passage(An OpenTracing library).

Examples

// Starts Jaeger in the background
$ docker run -d -p6831:6831/udp -p6832:6832/udp -p16686:16686 jaegertracing/all-in-one:latest

// Starts Erlang Shell
$ rebar3 shell
> Sampler = passage_sampler_all:new().
> ok = jaeger_passage:start_tracer(example_tracer, Sampler).

%% Starts a root span.
> RootSpan = passage:start_span(example_root, [{tracer, example_tracer}]).

%% Starts a child span.
> ChildSpan = passage:start_span(example_child, [{child_of, RootSpan}]).

%% Finishes the spans
> passage:finish_span(ChildSpan).
> passage:finish_span(RootSpan).

> q().

// Browses the tracing result
$ firefox localhost:16686

References

OpenTracing
Jaeger
jaeger-client-go/README.md

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