[libvirt] [PATCH 3/5] tests: don't use unix socket path that matches auto-generated path
Pavel Hrdina
phrdina at redhat.com
Wed Aug 30 13:47:09 UTC 2017
On Wed, Aug 30, 2017 at 03:38:12PM +0200, Michal Privoznik wrote:
> On 08/30/2017 02:45 PM, Pavel Hrdina wrote:
> > On Wed, Aug 30, 2017 at 02:33:00PM +0200, Michal Privoznik wrote:
> >> On 08/30/2017 01:40 PM, Pavel Hrdina wrote:
> >>> The test was introduced by 60135b22db6d.
> >>>
> >>> The auto-generated path is removed by post-parse callback which
> >>> also changes the mode from "connect" to "bind" since the auto-generated
> >>> path makes sense only for "bind" mode.
> >>>
> >>> Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
> >>> ---
> >>> tests/qemuxml2argvdata/qemuxml2argv-chardev-reconnect.args | 6 ++----
> >>> tests/qemuxml2argvdata/qemuxml2argv-chardev-reconnect.xml | 4 ++--
> >>> 2 files changed, 4 insertions(+), 6 deletions(-)
> >>>
> >>
> >>> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-chardev-reconnect.xml b/tests/qemuxml2argvdata/qemuxml2argv-chardev-reconnect.xml
> >>> index e0664b2a95..41ee248db3 100644
> >>> --- a/tests/qemuxml2argvdata/qemuxml2argv-chardev-reconnect.xml
> >>> +++ b/tests/qemuxml2argvdata/qemuxml2argv-chardev-reconnect.xml
> >>> @@ -18,7 +18,7 @@
> >>> </source>
> >>> </redirdev>
> >>> <smartcard mode='passthrough' type='unix'>
> >>> - <source mode='connect' path='/tmp/channel/domain-oldname/asdf'>
> >>> + <source mode='connect' path='/tmp/channel/asdf'>
> >>> <reconnect enabled='yes' timeout='20'/>
> >>> </source>
> >>> </smartcard>
> >>> @@ -29,7 +29,7 @@
> >>> <target type='virtio' name='asdf'/>
> >>> </channel>
> >>> <channel type='unix'>
> >>> - <source mode='connect' path='/tmp/channel/domain-oldname/fdsa'>
> >>> + <source mode='connect' path='/tmp/channel/fdsa'>
> >>> <reconnect enabled='no'/>
> >>> </source>
> >>> <target type='virtio' name='fdsa'/>
> >>>
> >>
> >> This looks like it's fixing just a symptom not the cause. What if I have
> >> a domain that has autogenerated path and I also set reconnect?
> >
> > If you try to define a domain with this configuration the post-parse
> > callback removes the path, see qemuDomainChrDefDropDefaultPath(). When
> > the guest is started there is another function,
> > see qemuDomainPrepareChannel(), where we generate a path in one is
> > missing and also changes the mode to "bind".
> >
> > So yes, this fixes the symptom but it's still a valid fix because the
> > test XML is invalid, you should not use this generated path.
>
> Ah, right. You really want to fix just the test here.
>
> ACK then and safe for the freeze.
Thanks, I've pushed the first two patches, I'll push this one as well.
For the last two patches I'll try to send a different approach that
would be safe for freeze.
Pavel
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