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History

David Baker 30f75c6cd2 Don't pass null / undefined as attribute value		2023-04-03 17:41:40 +01:00
..
collector-gateway.yaml	Don't pass null / undefined as attribute value	2023-04-03 17:41:40 +01:00
docker-compose.yaml	Add CORS to jaeger query endpoint and make spans nested	2023-03-17 17:01:59 +00:00
nginx_otel.conf	Commit nginx config file	2023-03-20 13:53:07 +00:00
README.md	Typo	2023-03-31 10:58:12 +01:00

README.md

OpenTelemetry Collector for development

This directory contains a docker compose file that starts a jaeger all-in-one instance with an in-memory database, along with a standalone OpenTelemetry collector that forwards traces into the jaeger. Jaeger has a built-in OpenTelemetry collector, but it can't be configured to send CORS headers so can't be used from a browser. This sets the config on the collector to send CORS headers.

This also adds an nginx to add CORS headers to the jaeger query endpoint, such that it can be used from webapps like stalk (https://deniz.co/stalk/). The CORS enabled endpoint is exposed on port 16687. To use stalk, you should simply be able to navigate to it and add http://127.0.0.1:16687/api as a data source.

(Yes, we could enable the OTLP collector in jaeger all-in-one and passed this through the nginx to enable CORS too, rather than running a separate collector. There's no reason it's done this way other than that I'd already set up the separate collector.)

Running docker compose up in this directory should be all you need.