cmaf/tracing-demo

Kata Containers runtime tracing

Updated documentation for tracing is found in the Kata Containers tracing document PR.

Enable tracing in configuration file

[runtime]
enable_tracing = true

Run Jaeger All-in-one container

Jaeger All-in-one launches the trace collector and UI.

$ docker run -d --name jaeger \
  -e COLLECTOR_ZIPKIN_HOST_PORT=:9411 \
  -p 5775:5775/udp \
  -p 6831:6831/udp \
  -p 6832:6832/udp \
  -p 5778:5778 \
  -p 16686:16686 \
  -p 14268:14268 \
  -p 14250:14250 \
  -p 9411:9411 \
  jaegertracing/all-in-one:1.23

Run container and get trace

$ sudo ctr run --runtime "io.containerd.kata.v2" --rm -t "docker.io/library/busybox:latest" test sh

Partial trace:

Complete trace, collapsed:

Complete trace, expanded:

Span attributes:

$ kubectl apply -f ./runtimeclass_workloads/busybox-pod.yaml

Output: