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OpenTelemetry

This repository is based on Symfony's demo application and integrates opentelemetry-bundle.

To make things works with OpenTelemetry, this branch includes a Docker Composer file to configure and execute a functional OpenTelemetry environnement which includes:

  • Tempo, to receive and store OpenTelemetry Traces
  • Prometheus, to receive OpenTelemetry Metrics
  • Loki, to receive OpenTelemetry Logs
  • Grafana, to visualize everything with all data sources configured

Any issues regarding OpenTelemetry integration should be reported on the opentelemetry-bundle repository issues.

Requirements

  • Docker

Usage

Follow ReadMe to configure the application first.

Running the services

The custom OpenTelemetry Collector is built automatically by Docker Compose using the manifest in otel-collector-builder.yaml. Launch all services with:

docker compose up -d

Docker Compose will build the collector image on first run (or when the Dockerfile/manifest changes).

Building the collector manually

You can also build the collector binary outside of Docker using the OpenTelemetry Collector Builder (OCB) directly:

go install go.opentelemetry.io/collector/cmd/builder@v0.150.0
builder --config=otel-collector-builder.yaml

All services should be up and running. If not inspect logs of exited services.

Now you can browse any application pages and open Grafana (http://localhost:3000).

The default data sources is Tempo, so you should see traces by search any traces.

Here is a little video to show how it should look like:

Screencast.from.22-12-2024.11.27.56.mp4