Quoting Christian Seiler (christ...@iwakd.de):
> Hi Serge,
>
> > I'm thinking symbolic link may be the simplest thing to support -
> > lxc_container_new() could immediately readlink() to get the real
> > container name.
>
> Yes, I agree, I'd find such a thing very useful. However, it should not
> only be lxc_container_new but also the utilities not using the API,
> such as lxc-start etc.
Heh, lxc-start should be using the API. Egads, several commands which
I thought I had converted have NOT in fact been converted. That should
be done before we do this.
> So the desireable behavior would be, in my eyes:
>
> - _Everywhere_, when resolving a container name, see if the
> configuration directory is a symlink. If it is:
> - relativ symlink without a /:
> use destination as effective container name
> - contains / (relative or absolute):
> completely resolve path and see if it starts with
> the configuration directory
> if not -> don't assume anything about the name
> (i.e. use the supplied one), but do
> follow symlink if possible (as is
> currently done)
> if so -> strip configuration directory from
> path and use the rest as effective
> container name
Hm, I was thinking just:
Anything but lxc-destroy: readlink if $lxcpath/$lxcname
is a symlink
lxc-destroy: specifically don't dereference symlink.
To implement that, we would rename lxc_container_new() to
lxc_container_new_ln() which takes an extra boolean and dereferences the
symlink if the boolean is true, have lxc_container_new() call that, and
have lxc-destroy call lxc_container_new_ln() with the boolean false.
> - When showing names (mostly lxc-ls), always show the
> real name by default, never the alias. So if /var/lib/lxc
> contains the following contents
> foo/
> bar/
> baz -> bar
> then lxc-ls should only show foo and bar. An additional
> option for also showing aliases (or only showing aliases)
> may be useful here.
Yes, that might require a trivial tweak to the listing logic
to ignore symlinks.
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