From: Dan Smith <danms-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: Mathieu Peresse
<mathieu.peresse-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Subject: Re: VRF-like use of Network Namespaces
Date: Fri, 11 Jun 2010 07:59:17 -0700 [thread overview]
Message-ID: <878w6lobsq.fsf@caffeine.danplanet.com> (raw)
In-Reply-To: <AANLkTilUNrMAeeUjHsXkTwd7Ysx0o9mdl8UaSUvG6wvf-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> (Mathieu Peresse's message of "Fri\, 11 Jun 2010 16\:47\:00 +0200")
MP> I saw there was a rtnetlink attribute to set the netns of a device but it
MP> uses the PID of a namespace owner to do so... within 'ip' i can refer to
MP> only one namespace (i.e. the one that 'ip' task_struct->ns_proxy currently
MP> points to), so I won't be able to move an interface from outside my
MP> namespace to my namespace...
Not just the owner, but any process in the namespace, AFAIK. So, you
should be able to fork() a child, have that child setns() into the
namespace of your choosing, and then move the device to the process of
your child (since you now know the pid). It's a little indirect, but
it should work.
--
Dan Smith
IBM Linux Technology Center
email: danms-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org
next prev parent reply other threads:[~2010-06-11 14:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-08 15:23 VRF-like use of Network Namespaces Mathieu Peresse
[not found] ` <AANLkTimA_0aZwZM1uZ-GH3OxfEZvegoitaaKTYPLvW5F-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-08 15:40 ` Daniel Lezcano
[not found] ` <4C0E6466.3030100-GANU6spQydw@public.gmane.org>
2010-06-08 17:12 ` Mathieu Peresse
[not found] ` <AANLkTik77W7F7BV7qp9ZQlM3yJCKNydHAMN47FaLTr7Z-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-08 21:06 ` Daniel Lezcano
[not found] ` <4C0EB0C5.8070904-GANU6spQydw@public.gmane.org>
2010-06-08 21:48 ` Mathieu Peresse
[not found] ` <AANLkTinmsRRKdWaf8QONeRRJSQRXPhaUtY1cFv_JGcy8-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-11 14:47 ` Mathieu Peresse
[not found] ` <AANLkTilUNrMAeeUjHsXkTwd7Ysx0o9mdl8UaSUvG6wvf-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-11 14:59 ` Dan Smith [this message]
2010-06-11 15:52 ` Daniel Lezcano
[not found] ` <4C125BA4.4020300-GANU6spQydw@public.gmane.org>
2010-06-13 9:59 ` Eric W. Biederman
[not found] ` <m11vcbl0d5.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-06-13 13:35 ` Mathieu Peresse
2010-06-13 20:30 ` Daniel Lezcano
2010-06-13 9:43 ` Eric W. Biederman
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