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Remove construction of the event string from sub-strings marked as
translatable. Without context it's impossible to translate it correctly.
This slightly increases verbosity of the code but actually makes it more
readable as everything is inline.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Extract internals of virshEventPrint into a function that can take the
format string. The function will be used in upcoming patches which make
the event formatting translatable.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Add a version for functions which may already need to take a printf
format string.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There's no point in marking the protocol name as translatable.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In my previous commit v9.2.0-rc1~3 I've made virt-host-validate
to report host IOMMU check pass if IORT table is present. This is
not sufficient though, because IORT describes much more than just
IOMMU (well, it's called SMMU in ARM world). In fact, this can be
seen in previous commit which adds test cases: there are tables
(IORT_virt_aarch64) which does not contain any SMMU records.
But after previous commits, we can parse the table so switch to
that.
Fixes: 2c13a2a7c9
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2178885
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
In vir-host-validate we do two checks related to IOMMU:
1) hardware support, and
2) kernel support.
While users are usually interested in the latter, the former also
makes sense. And for the former (hardware support) we have this
huge if-else block for nearly every architecture, except ARM.
Now, IOMMU is called SMMU in ARM world, and while there's
certainly a definitive way of detecting SMMU support (e.g. via
dumping some registers in asm), we can work around this - just
like we do for Intel and AMD - and check for an ACPI table
presence.
In ARM world, there's I/O Remapping Table (IORT) which describes
SMMU capabilities on given host and is exposed in sysfs
(regardless of arm_smmu module).
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2178885
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Some APIs (migration, save/restore, snapshot, ...) require a domain to
be suspended temporarily. In case resuming the domain fails, the domain
will be unexpectedly left paused when the API finishes. This situation
is reported via VIR_DOMAIN_EVENT_SUSPENDED event with
VIR_DOMAIN_EVENT_SUSPENDED_API_ERROR detail. But we do not have a
corresponding reason for VIR_DOMAIN_PAUSED state and the reason would
remain set to the value used when the domain was paused. So the state
reason would suggest the operation is still running.
This patch changes the state reason to a new VIR_DOMAIN_PAUSED_API_ERROR
to make it clear the API that paused the domain already finished, but
failed to resume the domain.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
In a few places we still use the good old:
sizeof(var) / sizeof(var[0])
sizeof(var) / sizeof(int)
The G_N_ELEMENTS() macro is preferred though. In a few places we
don't link with glib, so provide the macro definition.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Kristina Hanicova <khanicov@redhat.com>
The VM's firmware path is not extracted from the XML when invoking
virt-qemu-sev-validate in insecure mode and connecting to the local libvirt
virt-qemu-sev-validate --insecure --tk tek-tik.bin --domain test-sev-es
ERROR: Cannot access firmware path remotely
The test for remote access compares the return value from socket.gethostname()
to the return value from conn.getHostname(). The former doesn't always return
the fqdn, whereas the latter does. Use socket.getfqdn() instead.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Remove some obvious uses of VIR_FREE in favor of automatic cleanup.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In virsh, we have this convenient domif-setlink command, which is
just a wrapper over virDomainUpdateDeviceFlags() and which allows
setting link state of given guest NIC. It does so by fetching
corresponding <interface/> XML snippet and either putting <link
state=''/> into it, OR if the element already exists setting the
attribute to desired value. The XML is then fed into the update
API.
There's, however, a small bug in detecting the pre-existence of
the element and its attribute. The code looks at "link"
attribute, while in fact, the attribute is called "state".
Resolves: https://gitlab.com/libvirt/libvirt/-/issues/426
Fixes: e575bf082e
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The script had an incorrect interpreter line until commit
f6a19d7264, so the flake8 check would not realize it needed
to pick it up and these issues, some of which were present it
the very first version that was committed, were not being
reported.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Go through env(1) instead of hardcoding the path to the Python
interpreter, as we already do for all other Python scripts.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Scripts from the following list were installed with group write
bit set: virt-xml-validate, virt-pki-validate,
virt-sanlock-cleanup, libvirt-guests.sh. This is very unusual and
in contrast with the way other scripts/binaries are installed.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2151202
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
When running virsh snapshot-* command, such as snapshot-create-as /
snapshot-delete, it prints a result message.
On the other hand virsh snapshot-revert command doesn't print a result
message.
So, This patch fixes to add message when running virsh snapshot-revert
command.
# virsh snapshot-create-as vm1 test1
Domain snapshot test01 created
# virsh snapshot-revert vm1 test1
# virsh snapshot-delete vm1 test1
Domain snapshot test01 deleted
Signed-off-by: Haruka Ohata <ohata.haruka@fujitsu.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
The return value of virXMLPropString was assigned into 'tmp' multiple
times and to prevent static analyzers moaning about a potential leak a
short-circuited if logic or was used.
Replace the code by having a helper variable for each possibility and
also replace the for-loop to iterate elements.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The XPath lookup guarantees that the top level element is always 'disk'
so there's no need to check that it actually is. We can also remove the
two unnecessary temporary variables.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic pointer freeing for the 'disk_node' variable and remove
the 'cleanup' label and 'ret' variable.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic pointer freeing for the 'disk_node' variable and remove
the 'cleanup' label and 'functionReturn' variable.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Refactor the code to use the XPath helpers instead of open-coding them.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Automatically free 'newxml' and remove the 'cleanup' label and 'ret'
variable.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The API itself uses 'unsigned int' so use the same type for the local
variable in virsh.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We already report whether iSCSI backend was enabled at compile
time, but we don't do the same with iSCSI-direct backend.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
When displaying long version (virsh -V), the 'Virtuozzo Storage'
substring lacks leading space and thus produces awful output.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Use same style in the 'struct option' as:
struct option opt[] = {
{ a, b },
{ a, b },
...
{ a, b },
};
Signed-off-by: Jiang Jiacheng <jiangjiacheng@huawei.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
It is possible to build OVMF for SEV with an embedded Grub that can
fetch LUKS disk secrets. This adds support for injecting secrets in
the required format.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When validating a SEV-ES guest, we need to know the CPU count and VMSA
state. We can get the CPU count directly from libvirt's guest info. The
VMSA state can be constructed automatically if we query the CPU SKU from
host capabilities XML. Neither of these is secure, however, so this
behaviour is restricted.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The VMSA files contain the expected CPU register state for the VM. Their
content varies based on a few pieces of the stack
- AMD CPU architectural initial state
- KVM hypervisor VM CPU initialization
- QEMU userspace VM CPU initialization
- AMD CPU SKU (family/model/stepping)
The first three pieces of information we can obtain through code
inspection. The last piece of information we can take on the command
line. This allows a user to validate a SEV-ES guest merely by providing
the CPU SKU information, using --cpu-family, --cpu-model,
--cpu-stepping. This avoids the need to obtain or construct VMSA files
directly.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
With the SEV-ES policy the VMSA state of each vCPU must be included in
the measured data. The VMSA state can be generated using the 'sevctl'
tool, by telling it a QEMU VMSA is required, and passing the hypevisor's
CPU SKU (family, model, stepping).
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When connected to libvirt we can validate that the guest configuration
has the kernel hashes property enabled, otherwise including the kernel
GUID table in our expected measurements is not likely to match the
actual measurement.
When running locally we can also automatically detect the kernel/initrd
paths, along with the cmdline string from the XML.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When doing direct kernel boot we need to include the kernel, initrd and
cmdline in the measurement.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Accept information about a connection to libvirt and a guest on the
command line. Talk to libvirt to obtain the running guest state and
automatically detect as much configuration as possible.
It will refuse to use a libvirt connection that is thought to be local
to the current machine, as running this tool on the hypervisor itself is
not considered secure. This can be overridden using the --insecure flag.
When querying the guest, it will also analyse the XML configuration in
an attempt to detect any options that are liable to be mistakes. For
example the NVRAM being measured should not have a persistent varstore.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The virt-qemu-sev-validate program will compare a reported SEV/SEV-ES
domain launch measurement, to a computed launch measurement. This
determines whether the domain has been tampered with during launch.
This initial implementation requires all inputs to be provided
explicitly, and as such can run completely offline, without any
connection to libvirt.
The tool is placed in the libvirt-client-qemu sub-RPM since it is
specific to the QEMU driver.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Allow users to request validation of the storage volume XML. Add new
flag and virsh support.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
The node device APIs which get XML from the user don't yet support XML
validation flags. Introduce virNodeDeviceCreateXMLFlags and
virNodeDeviceDefineXMLFlags with the appropriate flags and add virsh
support for the new flags.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
The original patches adding the functionality neglected to add any form
of documentation for the stats fields returned for this group.
The stats are directly converted from qemu's 'query-stats(-schema)' QMP
command without any further interpretation. The 'query-stats-schema' has
the following disclaimer:
Note: runtime-collected statistics and their names fall outside QEMU's usual
deprecation policies. QEMU will try to keep the set of available data
stable, together with their names, but will not guarantee stability
at all costs; the same is true of providers that source statistics
externally, e.g. from Linux. For example, if the same value is being
tracked with different names on different architectures or by different
providers, one of them might be renamed. A statistic might go away if
an algorithm is changed or some code is removed; changing a default
might cause previously useful statistics to always report 0. Such
changes, however, are expected to be rare.
Since libvirt is not doing any form of conversion of the stats we can't
meaningfully document any of the returned fields. At the same time we
can't even meaningfully provide any form of API stability for the field
names.
Modify the documentation for the 'VIR_DOMAIN_STATS_VM' group both in the
API docs and in the virsh man page to reflect that and disclaim any form
of stability guarantees we provide normally.
Fixes: 8c9e3dae14
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
