[CI:DOCS] Fix up documentation of the userns audit flag #10909
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| - **auto[:**_OPTIONS,..._**]**: automatically create a namespace. It is possible to specify these options to `auto`: | ||
| **auto[:_OPTIONS,..._]**: automatically create a unigue user namespace. | ||
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| The `--userns=auto` flag, requires that the user name `containers` and a range of subordinate user ids that the Podman container is allowed to use be specified in the /etc/subuid and /etc/subgid files. Example: `containers:2147483647:2147483648`. Podman allocates unigue ranges of UIDs and GIDs from the `containers` group. The size of the ranges is based on the number of UIDs required in the image. The number of UIDs and GIDs can be overridden with the `size` option. |
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Should we mention root vs rootless usage here?
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Added a comment about only being rootless.
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docs/source/markdown/podman-run.1.md
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| @@ -1676,6 +1686,16 @@ $ echo "asdf" | podman run --rm -i --entrypoint /bin/cat someimage | |||
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| ``` | |||
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| ### Setting automatic User Namespace separated containers | |||
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I think it will work with create as well. But I wanted to show examples and the userns generated, with the main goal showing they are unigue.
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@containers/podman-maintainers PTAL |
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| The `--userns=auto` flag, requires that the user name `containers` and a range of subordinate user ids that the Podman container is allowed to use be specified in the /etc/subuid and /etc/subgid files. Example: `containers:2147483647:2147483648`. Podman allocates unigue ranges of UIDs and GIDs from the `containers` group. The size of the ranges is based on the number of UIDs required in the image. The number of UIDs and GIDs can be overridden with the `size` option. The `auto` options currently does not work in rootless mode | ||
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| Valid `auto`options: | ||
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| - **gidmapping=**_HOST_GID:CONTAINER_GID:SIZE_: to force a GID mapping to be present in the user namespace. |
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to fit the new manpage syntax, these should be only a single asterisk, except for the default value.
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Add reference to the `containers` user in the /etc/subuid and /etc/subgid files. Fixes: containers#10906 Signed-off-by: Daniel J Walsh <[email protected]>
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LGTM |
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/lgtm |
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Add reference to the
containersuser in the /etc/subuid and/etc/subgid files.
Fixes: #10906
Signed-off-by: Daniel J Walsh [email protected]