User story request: shared namespaces

[gizahNL]

As a user, I want containers to be able to share certain aspects of a namespace, i.e. to have multiple containers in the same network namespace, that's isolated from the host namespace.

I believe such a feature is needed for the pod concept of k8s & friends to function.

[dfr]

As a user, I want containers to be able to share certain aspects of a namespace, i.e. to have multiple containers in the same network namespace, that's isolated from the host namespace.

I believe such a feature is needed for the pod concept of k8s & friends to function.

This is true and for podman and cri-o, I use jail nesting to let the containers in a pod share e.g. network namespaces.

[dfr]

This is covered in my simple-jail proposal here which allows a container's config to request that its jail is a child of some other container jail.