[lxc-devel] [PATCH v2 6/7] document the stop hook

[Serge Hallyn]

Quoting Wolfgang Bumiller (w.bumiller at proxmox.com):
> Signed-off-by: Wolfgang Bumiller <w.bumiller at proxmox.com>

Acked-by: Serge E. Hallyn <serge.hallyn at ubuntu.com>

> ---
>  doc/lxc.container.conf.sgml.in | 27 +++++++++++++++++++++++++--
>  1 file changed, 25 insertions(+), 2 deletions(-)
> 
> diff --git a/doc/lxc.container.conf.sgml.in b/doc/lxc.container.conf.sgml.in
> index 7b599e5..f1a87e9 100644
> --- a/doc/lxc.container.conf.sgml.in
> +++ b/doc/lxc.container.conf.sgml.in
> @@ -1280,9 +1280,12 @@ mknod errno 0
>            <listitem><para> Container name. </para></listitem>
>            <listitem><para> Section (always 'lxc'). </para></listitem>
>            <listitem><para> The hook type (i.e. 'clone' or 'pre-mount'). </para></listitem>
> -          <listitem><para> Additional arguments In the
> +          <listitem><para> Additional arguments. In the
>            case of the clone hook, any extra arguments passed to
> -          lxc-clone will appear as further arguments to the hook. </para></listitem>
> +          lxc-clone will appear as further arguments to the hook.
> +          In the case of the stop hook, paths to filedescriptors
> +          for each of the container's namespaces along with their types
> +          are passed. </para></listitem>
>          </itemizedlist>
>          The following environment variables are set:
>          <itemizedlist>
> @@ -1379,6 +1382,26 @@ mknod errno 0
>        <variablelist>
>          <varlistentry>
>            <term>
> +            <option>lxc.hook.stop</option>
> +          </term>
> +          <listitem>
> +            <para>
> +              A hook to be run in the host's namespace with references
> +              to the container's namespaces after the container has been shut
> +              down. For each namespace an extra argument is passed to the hook
> +              containing the namespace's type and a filename that can be used to
> +              obtain a file descriptor to the corresponding namespace, separated
> +              by a colon. The type is the name as it would appear in the
> +              <filename>/proc/PID/ns</filename> directory.
> +              For instance for the mount namespace the argument usually looks
> +              like <filename>mnt:/proc/PID/fd/12</filename>.
> +            </para>
> +          </listitem>
> +        </varlistentry>
> +      </variablelist>
> +      <variablelist>
> +        <varlistentry>
> +          <term>
>              <option>lxc.hook.post-stop</option>
>            </term>
>            <listitem>
> -- 
> 2.1.4
> 
> 
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