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buildkit
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readme: add tracing note 

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
docker-18.09
Tonis Tiigi 2018-01-08 13:05:27 -08:00
parent 29b72a3912
commit eb027792b5
1 changed files with 14 additions and 1 deletions
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README.md
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@ -184,7 +184,7 @@ buildctl debug workers -v
### Running containerized buildkit
buildkit can also be used by running the `buildkitd` daemon inside a Docker container and accessing it remotely. The client tool `buildctl` is also available for Mac and Windows.
BuildKit can also be used by running the `buildkitd` daemon inside a Docker container and accessing it remotely. The client tool `buildctl` is also available for Mac and Windows.
To run daemon in a container:
@ -196,6 +196,19 @@ buildctl build --help
The `tonistiigi/buildkit` image can be built locally using the Dockerfile in `./hack/dockerfiles/test.Dockerfile`.
### Opentracing support
BuildKit supports opentracing for buildkitd gRPC API and buildctl commands. To capture the trace to [Jaeger](https://github.com/jaegertracing/jaeger), set `JAEGER_TRACE` environment variable to the collection address.
```
docker run -d -p6831:6831/udp -p16686:16686 jaegertracing/all-in-one:latest
export JAEGER_TRACE=0.0.0.0:6831
# restart buildkitd and buildctl so they know JAEGER_TRACE
# any buildctl command should be traced to http://127.0.0.1:16686/
```
### Supported runc version
During development, BuildKit is tested with the version of runc that is being used by the containerd repository. Please refer to [runc.md](https://github.com/containerd/containerd/blob/v1.0.0/RUNC.md) for more information.