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In real world silicon though it is rare to have high socket/die counts,
but common to have huge core counts.
Some OS will even refuse to use sockets over a certain count.
Thus we prefer to expose cores to the guest rather than sockets as the
default for missing fields.
This matches a recent change made in QEMU for new machine types
commit 4a0af2930a4e4f64ce551152fdb4b9e7be106408
Author: Yanan Wang <wangyanan55@huawei.com>
Date: Wed Sep 29 10:58:09 2021 +0800
machine: Prefer cores over sockets in smp parsing since 6.2
Closes: https://github.com/virt-manager/virt-manager/issues/155
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Although using --cpu topology.XXX is the preferred way to set topology,
it is still possible via the --vcpus parameter. For consistency, this
should support the full set of parameters, so dies needs to be added.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This includes support for the following suboptions:
* name (<shmem name=X>)
* role (<shmem role=X>)
* model.type (<shmem><model type=X/>)
* size (<shmem><size>X)
* size.unit (<shmem><size unit=X/>)
* server.path (<shmem><server path=X/>)
* msi.vectors (<shmem><msi vectors=X/>)
* msi.ioeventfd (<shmem><msi ioeventfd=X/>)
xorisso is the still maintained isoinfo alternative, and may be
the only iso reading tool in RHEL9, so we need to support it.
Make it the default for our spec file and test suite too
Signed-off-by: Cole Robinson <crobinso@redhat.com>
If specified, this errors if no OS name was detected or manually set.
So --os-variant detect=on,require=on will error if no OS is detected.
name= can be used as a fallback, so test and document this case
Signed-off-by: Cole Robinson <crobinso@redhat.com>
This adds the following --os-variant suboptions
* name=, short-id=
* id=
* detect=on|off
Functionally this does not change behavior, just adds explicit
sub options for behavior we already support
Signed-off-by: Cole Robinson <crobinso@redhat.com>
The --os-variant option naming is pretty crappy and mostly a historical
artifact. Ideally this would be named just `--os` but I'm afraid that
would cause confusion with libvirt's <os> XML
Add --osinfo as an alternate commandline naming. If we ever want to
transition documented use of --os-variant it will help to have the
alternative around for a few releases
Signed-off-by: Cole Robinson <crobinso@redhat.com>
The --xml option allows users to request raw XML edits to virt-install
or virt-xml generated XML. This gives users a bit of a workaround
incase we don't have proper support for some XML property. The --xml
option can gain more features in the future if it makes sense, like
setting XML namespaces for example.
Basic usage is like: virt-install --xml ./@foo=bar ...
Which will change the generated <domain> XML to have
<domain foo='bar' ...
virt-xml works similarly. It can only be combined with --edit currently.
This only works with xpaths rooted against the entire document.
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Add a --iommu option to configure IOMMU parameters as described in
https://libvirt.org/formatdomain.html#elementsIommu
E.g. 'virt-install --iommu model=intel,driver.aw_bits=48,driver.iotlb=on ...'
will generate the following domain XML:
<devices>
<iommu model="intel">
<driver aw_bits="48" iotlb="on"/>
</iommu>
</devices>
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Menno Lageman <menno.lageman@oracle.com>
Support the io_uring io mode, introduced since Libvirt v6.3.0.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Han Han <hhan@redhat.com>
The builtin rng backend uses getrandom syscall to generate random, no
external rng source needed, introduced from libvirt v6.1.0.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Han Han <hhan@redhat.com>
Generally this doesn't work with qemu metadata locking nowadays,
and it was never a safe idea to begin with, because disk contents
could be in an inconsistent state.
https://bugzilla.redhat.com/show_bug.cgi?id=1725330
Signed-off-by: Cole Robinson <crobinso@redhat.com>
This was raised here:
https://www.redhat.com/archives/virt-tools-list/2019-June/msg00117.html
Quoting from that:
"""
virt-convert takes an ovf/ova or vmx file and spits
out libvirt XML. It started as a code drop a long time ago that could
translate back and forth between vmx, ovf, and virt-image, a long dead
appliance format. In 2014 I converted it to do vmx -> libvirt and ovf ->
libvirt which was a CLI breaking change, but I never heard a peep of a
complaint. It doesn't seem to do a particularly thorough job at its
intended goal, I've seen 2-3 bug reports in the past 5 years and
generally it doesn't seem to have any users. Let's kill it. If anyone
has the desire to keep it alive it could live as a separate project
that's a wrapper around virt-install but there's no compelling reason to
keep it in virt-manager.git IMO
"""
Nothing has changed since then, so here is the removal.
Signed-off-by: Cole Robinson <crobinso@redhat.com>
* Stop listing sub options, since there's multiple, and most won't
need to be specified.
* Give an example for type=emulator
Reported-by: Junqin Zhou <juzhou@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
When running virt-install as root, user-login would be automatically set
to "root", causing an installation failure in the most part of the
distros (if not all of them).
In order to avoid such failures, let's raise a runtime error in case the
user-login used is "root".
Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
Let's allow setting the login of the guest user.
Using the user from the system is a quite good fallback, but would break
unattended installations when running virt-install as root. Thus, for
those cases, it makes sense to have the option of setting the user
login.
Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
Let's not expose the user/root password in the CLI and, instead, let's
rely on a file passed by the admin and read the password from there.
'CVE-2019-10183' has been assigned to the virt-install --unattended
admin-password=xxx disclosure issue.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
* Renaming HACKING.md to CONTRIBUTING.md, special github naming
* Point to modern virt-manager.org bug link
* Mention option to use github issue tracker
* Point to the github wiki for more contribution docs
* Many minor updates
The <domain> XML it alters is called <seclabel>, and security is
really generic sounding. Add the alias and switch the documentation
over to prefer --seclabel
There is a new security feature 'md-clear' that mitigates recent CPU
Microarchitectural Store Buffer Data vulnerability.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
To match the XML schema, rename these subarguments and add aliases
to preserve compatibility:
* backend_connect_host -> backend.source.connect_host
* backend_connect_service -> backend.source.connect_service
* backend_host -> backend.source.host
* backend_mode -> backend.source.mode
* backend_service -> backend.source.service
* backend_type -> backend.type
* rate_bytes -> rate.bytes
* rate_period -> rate.period
'type', and 'device' are kept as advertised options,
due to them being commonly specified and documented
To match the XML schema, rename these subarguments and add aliases
to preserve compatibility:
* protocol -> protocol.type
* target_address -> target.address
* name -> target.name
* target_type -> target.type
'host', 'path', 'mode', and 'bind_host' are kept as advertised options,
due to them being commonly specified and documented
