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grafana/devenv/docker/blocks/loki/README.md
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Andrej Ocenas f029e84565 Devenv: Add tempo data source (#31138)
* Add tempo DS to devenv

* Remove unsupported values from config

* Add tempo ds

* Remove tempo-query
2021-03-08 16:04:42 +01:00

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By default this block is setup to scrape logs from /var/logs. If you need to log some service from the docker-compse you can add:
```
# For this to work you need to install the logging driver see https://github.com/grafana/loki/tree/master/cmd/docker-driver#plugin-installation
logging:
driver: loki
options:
loki-url: "http://loki:3100/loki/api/v1/push"
```
This also works for self logging Loki logs if you use `http://localhost:3100/loki/api/v1/push`. This is useful together with
```
environment:
- JAEGER_AGENT_HOST=tempo
- JAEGER_AGENT_PORT=6831
- JAEGER_SAMPLER_TYPE=const
- JAEGER_SAMPLER_PARAM=1
```
which sets up a tracing and so you will have logs with traceIDs to test linking between logs and traces.