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feat: allow specifying runtime class in runner spec (#580)

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This allows using the `runtimeClassName` directive in the runner's spec.

One of the use-cases for this is Kata Containers, which use `runtimeClassName` in a pod spec as an indicator that the pod should run inside a Kata container. This allows us a greater degree of pod isolation.
This commit is contained in:
Ameer Ghani
2021-06-03 18:56:43 -05:00
committed by GitHub
parent 30ab0c0b71
commit 7523ea44f1
10 changed files with 37 additions and 1 deletions
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6
README.md
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@@ -771,7 +771,7 @@ spec:
# - https://cloud.google.com/container-registry/docs/pulling-cached-images
dockerRegistryMirror: https://mirror.gcr.io/
# false (default) = Docker support is provided by a sidecar container deployed in the runner pod.
# true = No docker sidecar container is deployed in the runner pod but docker can be used within teh runner container instead. The image summerwind/actions-runner-dind is used by default.
# true = No docker sidecar container is deployed in the runner pod but docker can be used within the runner container instead. The image summerwind/actions-runner-dind is used by default.
dockerdWithinRunnerContainer: true
# Docker sidecar container image tweaks examples below, only applicable if dockerdWithinRunnerContainer = false
dockerdContainerResources:
@@ -805,6 +805,10 @@ spec:
dockerVolumeMounts:
- mountPath: /var/lib/docker
name: docker-extra
# Optional name of the container runtime configuration that should be used for pods.
# This must match the name of a RuntimeClass resource available on the cluster.
# More info: https://kubernetes.io/docs/concepts/containers/runtime-class
runtimeClassName: "runc"
```
### Runner Labels