On Wed, Jun 10, 2015 at 01:40:09PM +0200, Eren Yagdiran wrote:
> Add the config gobject, functions to store and load the new configuration
> fragments and test. This will allow creating sandboxes with attached
> disk with a parameter formatted like file:hda=/source/file.qcow2,format=qcow2
> +/**
> + * gvir_sandbox_config_add_disk_strv:
> + * @config: (transfer none): the sandbox config
> + * @disks: (transfer none)(array zero-terminated=1): the list of disks
> + *
> + * Parses @disks whose elements are in the format TYPE:TARGET=SOURCE,FORMAT=FORMAT
> + * creating #GVirSandboxConfigMount instances for each element. For
> + * example
> + *
> + * - file:hda=/var/lib/sandbox/demo/tmp.qcow2,format=qcow2
> + */
One of the goal of the libvirt sandbox code is to insulate apps from
needing to know hypervisor specific differences. The guest side disk
device name is one such big difference. Many hypervisors, including
kvm, will not even honour requested names - you just get whatever
name the guest decides to give you. Essentially the only thing that
libvirt guarantees is the disk ordering. ie if you configure two
disks one with hda and one hdb, libvirt will ensure hda appears
before hdb on the bus or controller.
So I don't think we should include the target device name in our
configuration syntax here. We should just document that disks
will be added to the guest in the same order that you supply
them to virt-sandbox command line in. The actual device names
will vary according to the hypevisor and guest os.
> +gboolean gvir_sandbox_config_add_disk_strv(GVirSandboxConfig *config,
> + gchar **disks,
> + GError **error)
> +{
> + gsize i = 0;
> + while (disks && disks[i]) {
> + if (!gvir_sandbox_config_add_disk_opts(config,
> + disks[i],
> + error))
> + return FALSE;
> + i++;
> + }
> + return TRUE;
> +}
Regards,
Daniel
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