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Fix MTU configuration for dockerd (#421)

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Resolves #393
This commit is contained in:
Yusuke Kuoka
2021-03-31 09:29:21 +09:00
committed by GitHub
parent da4dfb3fdf
commit 156e2c1987
3 changed files with 48 additions and 0 deletions
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7
controllers/runner_controller.go
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@@ -703,6 +703,7 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
pod.Spec.Containers = append(pod.Spec.Containers, corev1.Container{
Name: "docker",
Image: r.DockerImage,
Args: []string{"dockerd"},
VolumeMounts: []corev1.VolumeMount{
{
Name: "work",
@@ -731,11 +732,17 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
if mtu := runner.Spec.DockerMTU; mtu != nil {
pod.Spec.Containers[1].Env = append(pod.Spec.Containers[1].Env, []corev1.EnvVar{
// See https://docs.docker.com/engine/security/rootless/
{
Name: "DOCKERD_ROOTLESS_ROOTLESSKIT_MTU",
Value: fmt.Sprintf("%d", *runner.Spec.DockerMTU),
},
}...)
pod.Spec.Containers[1].Args = append(pod.Spec.Containers[1].Args,
"--mtu",
fmt.Sprintf("%d", *runner.Spec.DockerMTU),
)
}
}