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Between calling vm_destroy and removing the ID from user.cfg (remove_vm_access)
creating a new VM with this ID was possible. VMs could go missing from pools as
a consequence.
Adding a lock solves this for clones from the same node. Additionally,
unlinking must happen at the very end of the deletion process to avoid that
other nodes use the ID in the meanwhile.
Co-developed-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Signed-off-by: Dominic Jäger <d.jaeger@proxmox.com>
So, while we could just make this a special case before the
config_to_command call and set the $conf->{vmstate} to the statefile
for the case were it's a valid volumeid, the special case handling
get's much easier when we do this outside of that method.
So it's basically a trade-off, and after looking far to long at all
nice revisions Alwin made for me and Fabians request, and even trying
out different approaches, it was never perfect.
But having slight code duplication over the movement mess I proposed
(as I did not had the full picture then, sorry Alwin) felt like the
slightly nicer trade off, as all worked I just use this one now, it
has very clear semantics, easy to understand and that now three lines
are duplicated is IMO irrelevant.
Co-developed-by: Alwin Antreich <a.antreich@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
the volume id list is only used to activate before real start and
deactivate later, so use it for the vmstate file too.
This not only makes config_to_command have less side effects, it also
ensures that the vmstate is deactivated again
Co-developed-by: Alwin Antreich <a.antreich@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
and use it also for efidisk creation and importdisk
this way we correctly handle zfs-over-iscsi options for those cases
also write tests for it
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
Add tests for the qemu_img_convert parameters to the resulting
'qemu-img convert' call
we mock the 'run_command' and extract the 'cmd' parameter to
compare with what we expect
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
As reported in bug #2402, a system started with "default_hugepagesz=1G
hugepagesz=1G" does not have a /sys/kernel/mm/hugepages/hugepages-2048kB
directory.
To fix, ignore the missing directory in hugepages_mount (since it might
not be needed anyway), and correctly check if the requested hugepage
size is available in hugepages_size instead.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
In general it matters where a command line options is positioned
inside a QEMU command, so we want to actually also check the order in
the cfg2cmd test
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
In general it matters where a command line options is positioned
inside a QEMU command, so we want to actually also check the order in
the cfg2cmd test, to do so we need to avoid false positives like this
added.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Thanks to Gilberto Nunes for finding a bug where the VM would not start
with foldersharing enabled and the qemu agent option disabled [0].
The cause was that the device org.spice-space.webdav.0 would not find a
virtio-serial-bus in this situation.
Since we always create a virtio-serial-bus for the spice vdagent it
seems sensible to use that also for the foldersharing device by moving
it in front of the other spice devices.
[0]: https://pve.proxmox.com/pipermail/pve-devel/2019-October/039441.html
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
This removes the cloudinit disk from the list of drives to clone. As the
cloudinit disk is recreated on every VM start, it's not necessary to
clone it.
Signed-off-by: Mira Limbeck <m.limbeck@proxmox.com>
The reason for why we did not do this in the first place was the fact
that the "usb3" flag could be set in older qemu-server versions, we
just ignored it but not filtered it out of the config..
That means there can be VMs out there which would now become a
different HW layout, and issue for migration and live-snapshot
restore.
But, actually, while the "usb3" property could be set it allowed to
start the VM in only if an additional USB devices was added to the VM
with USB2, or the VM uses "q35" based machine - as else no "ehci" was
available, and thus the "ignored" USB3 - SPICE could not get attached
anywhere -> QEMU chickened out.
And if a user had a configuration where this could started we have
still a bit luck, live-migration was not possible as the "can't
migrate VM which uses local devices:" check still hit, as in
qemu-server older than 6.0-8 we explicitly checked for "spice" when
seeing what usb device were not local, so a "spice,usb3=X" was always
(luckily) wrongly detected as local device -> migration was blocked.
So we only have one case left: restoring a live-snapshot. Here sadly
there seems no way out, it was possible to do with a "spice,usb3=1"
usb device, and thus all Snapshots taken on such VMs after they had a
clean restart on PVE 6 (to have a machine version >= 4.0) are broken
- but can be easily fixed by removing the "usb3=1" from the
problematic snapshot config.
As restoring a snapshot can be repeated more than once even on
failure without rendering the snapshot or VM permanently unusable,
this should be a reasonable compromise.
I strongly believe that the chance is so small that no one is
affected in practice and the property description mentioned that it
was not supported. If anybody is affected on snapshot restore we can
help them on a case-per-case basis.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
The fix introduced in commit bf4a933 did not work as intended. We're
iterating over the $oldconf, not over $virtdev_hash. This means
$drive->{is_cloudinit} is always undefined. Instead use the $exclude_cloudinit
parameter from drive_is_cdrom().
Signed-off-by: Mira Limbeck <m.limbeck@proxmox.com>
PCI pass through was greatly advanced since this got changed and is
all in QemuServer.
If anybody needs it, it's in git history anyway..
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
It's really not nice if such many files, source code, meta-files, …
linger around in the top level directory..
Also, cleanup the build a bit, i.e., use LDFLAGS as dpkg-buildpackage
can set some LDFLAGS so it'd be nice if both CFLAFGS and LDFLAGS have
the same (related) ones.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
and add "current" as keyword, further remove the parenthesis for the
post-if, to adapt to Proxmox general perl code style
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Thanks to Stefan and Thomas for the suggestions.
Changes from v1:
* update parameter description
* warn instead of die
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
otherwise a user with only VM.Config.HWType cannot
delete a 'pending' usbX: spice or serial: socket option
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
The check relied on the fact that in a regular use case a usb device of
type spice would not have any other settings like `usb3=1`. An exact
match worked fine for this.
This patch changes the behaviour and makes it possible to migrate VMs
with Spice USB devices that have additional usb options set.
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
to make them independent of environment, else other running VMs or
quickly sequential test runs may result in false negative test
results, as the port differed.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
To not change current behaviour and thus breaking live migration USB3
for a Spice USB device requires Qemu v4.1.
The old behavior was that even though technically it was possible to
the set `usb3=1` setting, it was ignored. The bus was hardcoded to
ehci. If another USB2 device was added or the machine type was set to
Q35 an ehci controller was present and the VM was able to boot.
With this patch the behaviour is changing and the bus is set to xhci if
USB3 is set for the Spice USB device and the VM is running under Qemu
v4.1.
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
this creates a reboot request file (inspired by pve-container)
and relies on the 'qm cleanup' call by the qmeventd to detect
and restart the vm afterwards
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
we want to reuse most of the code in the locked context of vm_stop
for vm_reboot (since it really is just a vm_stop with a
create_reboot_request in there) so we factor that out into
_do_vm_stop
and note that it has to be called in a locked context
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
if the reboot trigger file was set, start the vm again
also cleanup the reboot trigger on vm startup, to prevent
leftover files to trigger a reboot at the next shutdown
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
