rootless: update docs and examples #5765
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Fix issue 5763 - Discourage `--oci-worker-no-process-sandbox`, due to the leakage of the processes (by design). Instead, encourage setting `systempaths=unconfined` in `docker run`. This corresponds to `securityContext.procMount: Unmasked` in Kubernetes, however, the configuration is hard on Kubernetes, as it has to be used in conjunction with `hostUsers: false`. - Remove `--device /dev/fuse`, as fuse-overlayfs is no longer used typically. - Use the new Kubernetes struct for AppArmor - Add a hint about `kernel.apparmor_restrict_unprivileged_userns` - Remove `$` from command snippets for ease of copypasting - Make `job.*.yaml` more practical - Add `*.userns.yaml`. Needs `UserNamespaceSupport` feature gate to be enabled. Signed-off-by: Akihiro Suda <[email protected]>
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thompson-shaun
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tonistiigi,
jsternberg,
crazy-max and
ktock
tonistiigi
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Feb 21, 2025
Potentially we may use seccomp (or ptrace) to catch |
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Fix #5763
Discourage
--oci-worker-no-process-sandbox, due to the leakage of the processes (by design). Instead, encourage settingsystempaths=unconfinedindocker run. This corresponds tosecurityContext.procMount: Unmaskedin Kubernetes, however, the configuration is hard on Kubernetes, as it has to be used in conjunction withhostUsers: false.Remove
--device /dev/fuse, as fuse-overlayfs is no longer used typically.Use the new Kubernetes struct for AppArmor
Add a hint about
kernel.apparmor_restrict_unprivileged_usernsRemove
$from command snippets for ease of copypastingMake
job.*.yamlmore practicalAdd
*.userns.yaml. NeedsUserNamespaceSupportfeature gate to be enabled.TODO: update buildx to support UserNS mode too