On 8/13/24 05:35, Larry Cai wrote:
Hi:
I am used to follow podman setup inside k8s according to article https://www.redhat.com/sysadmin/podman-inside-kubernetes
Now 3 years have passed, do we have an updated article for this?
I have a vanilla k8s env, and `privileged:true` will not be allowed soon, so what is the easiest way to setup rootless-non-priv environment?
apiVersion: v1 kind: Pod metadata: name: podman spec: containers: - name: podman image: registry.access.redhat.com/ubi9/podman <http://registry.access.redhat.com/ubi9/podman> command: ["sleep", "infinity"] securityContext: runAsUser: 1000 privileged: true Surely `hostPath` is not allowed as well?
In the unix env, i can run `podman run -it -u podman:podman` to get correct env
Any suggestions? (i am not security expert to understand), if I remove `privileged:true` i got below
[podman@podman ~]$ podman system info Error: mount /home/podman/.local/share/containers/storage/overlay:/home/podman/.local/share/containers/storage/overlay, flags: 0x1000: permission denied
BTW: i only need the build env, maybe `buildah` image shall be used instead (but users are used to use podman command)
Rgs, Larry
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Take at look at teh user namespace support for k8s. If you are allowed to run a pod/container inside of a user namespace with enough UIDs and CAP_SYS_ADMIN of the User namespace, then podman should just work.