[libvirt] [PATCHv7 2/2] domain: conf: Fix secret type checking for network volumes
Ján Tomko
jtomko at redhat.com
Mon Feb 3 17:05:14 UTC 2014
On 01/30/2014 07:57 PM, Adam Walters wrote:
> On Thu, Jan 30, 2014 at 9:46 AM, Ján Tomko <jtomko at redhat.com
> <mailto:jtomko at redhat.com>> wrote:
>
> On 01/23/2014 08:45 PM, Adam Walters wrote:
> > This patch fixes the secret type checking done in the
> > virDomainDiskDefParseXML function. Previously, it would not allow any
> > volumes that utilized a secret. This patch is a simple bypass of the
> > checking code for volumes.
> >
> > Signed-off-by: Adam Walters <adam at pandorasboxen.com
> <mailto:adam at pandorasboxen.com>>
> > ---
> > src/conf/domain_conf.c | 6 ++++--
> > 1 file changed, 4 insertions(+), 2 deletions(-)
> >
> > diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> > index 28e24f9..773dc26 100644
> > --- a/src/conf/domain_conf.c
> > +++ b/src/conf/domain_conf.c
> > @@ -5418,7 +5418,8 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
> > cur = cur->next;
> > }
> >
> > - if (auth_secret_usage != -1 && auth_secret_usage !=
> expected_secret_usage) {
> > + if (auth_secret_usage != -1 && auth_secret_usage !=
> expected_secret_usage &&
> > + def->type != VIR_DOMAIN_DISK_TYPE_VOLUME) {
> > virReportError(VIR_ERR_INTERNAL_ERROR,
> > _("invalid secret type '%s'"),
> > virSecretUsageTypeTypeToString(auth_secret_usage));
>
> So an rbd volume can have a secret when the pool has auth set to none?
> Otherwise it seems the volume's secret data might get overwritten by
> qemuTranslateDiskSourcePoolAuth.
>
>
> The purpose of this is to bypass the secret type checking for volumes (not
> just RBD volumes).
This check is blocking it for iscsi volumes too, even though we have it as an
example in formatdomain.html
>
> Above this section of code, but in the same function, there is some code that
> populates the
> expected_secret_usage variable. Looking back on it now, I think I may have an
> alternative solution.
> I think I might be able to set expected_secret_usage properly by referencing
> def->srcpool->pooltype
> above this to check it like is done for non-storage pool RBD disks.
>
Volume translation is done on domain start-up. This function doing the
checking is done on domain definition and the pool might not yet be available.
Jan
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