While you can chain the virsh output up to a later 'xmllint' or 'xpath'
command, integrating it into virsh avoids needs for installing extra
binaries which we've often found to be missing on production installs
of libvirt. It also gives better response if the initial virsh command
hits an error, as you don't get an aborted pipeline.
$ virsh pool-dumpxml --xpath //permissions default
<permissions>
<mode>0711</mode>
<owner>1000</owner>
<group>1000</group>
<label>unconfined_u:object_r:svirt_home_t:s0</label>
</permissions>
If multiple nodes match, they are emitted individually:
$ virsh dumpxml --xpath '//devices/*/address[@type="pci"]' --wrap demo
<address type="pci" domain="0x0000" bus="0x05" slot="0x00" function="0x0"/>
<address type="pci" domain="0x0000" bus="0x03" slot="0x00" function="0x0"/>
...snip...
<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x0" multifunction="on"/>
<address type="pci" domain="0x0000" bus="0x07" slot="0x00" function="0x0"/>
but if intending to post-process the output further, the results
can be wrapped in a parent node
$ virsh dumpxml --xpath '//devices/*/address[@type="pci"]' --wrap demo
<nodes>
<address type="pci" domain="0x0000" bus="0x05" slot="0x00" function="0x0"/>
<address type="pci" domain="0x0000" bus="0x03" slot="0x00" function="0x0"/>
...snip...
<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x0" multifunction="on"/>
<address type="pci" domain="0x0000" bus="0x07" slot="0x00" function="0x0"/>
</nodes>
Fixes https://gitlab.com/libvirt/libvirt/-/issues/244
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Add an element to configure the thread pool size:
...
<binary>
<thread_pool size='16'/>
</binary>
...
https://bugzilla.redhat.com/show_bug.cgi?id=2072905
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Update the default "driver" value for hostdev interface since
the default is not "KVM" anymore (refer to "Host device
asssignment" part and by test results). And update the mac
address in one xml example.
Signed-off-by: Yalan Zhang <yalzhang@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This patch introduces the logic to format and parse remote NVRAM.
Update NVRAM element schema, and docs for supporting network backed
NVRAM. NVRAM backed over network would give the flexibility to start
the VM on any host without having to worry about where to get the latest
nvram image.
<nvram type='network'>
<source protocol='iscsi' name='iqn.2013-07.com.example:iscsi-nopool/0'>
<host name='example.com' port='6000'/>
</source>
</nvram>
or
<nvram type='file'>
<source file='/var/lib/libvirt/nvram/guest_VARS.fd'/>
</nvram>
In the qemu driver we will support the new definition only with qemu's
supporting -blockdev.
Signed-off-by: Prerna Saxena <prerna.saxena@nutanix.com>
Signed-off-by: Florian Schmidt <flosch@nutanix.com>
Signed-off-by: Rohit Kumar <rohit.kumar3@nutanix.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Tested-by: Rohit Kumar <rohit.kumar3@nutanix.com>
As of v7.0.0-877-g70ac26b9e5 QEMU exposes its default event loop
for devices with no IOThread assigned as an QMP object. In the
very next commit (v7.0.0-878-g71ad4713cc) it was extended for
thread-pool-min and thread-pool-max attributes. Expose them under
new <defaultiothread/> element.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Since virsh implements a wrapper over virDomainSetIOThreadParams()
(command iothreadset) let's wire up new typed parameters there too.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
At least in case of QEMU an IOThread is actually a pool of
threads (see iothread_set_aio_context_params() in QEMU's code
base). As such, it can have minimal and maximal number of worker
threads. Allow setting them in domain XML.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Certain documentation bits tried to put a reference of a value into
quotes, but that's not needed for both the pure view of the rST source
and the rendered output.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In many cases we move around or rename internal anchors which may break
links leading to the content.
docutils handle the case of links inside a document, but we are lacking
the same form of checking between documents.
Introduce a script which cross-checks all the anchors and links in HTML
output files and prints problems and use it as a test case for the
'docs' directory.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The link was most likely broken when 'formatsecret' was converted to
RST.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
When uri.html was converted to RST the 'URI remote' anchor was not fixed
in remote.rst.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Most of the links were broken by moving the article into kbase, but in
this case we need to also fix the anchor names.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Certain links were missing the '../' prefix to reach files in the parent
directory from the time the page was introduced.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The links were broken when the documentation was moved into the
'internals' subdirectory.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
While the links work they'd trip up the link validator script which will
be added later.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The link was not fixed when the page was moved into 'kbase/'
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The links were broken on the initial conversion of formatdomain.html to
RST which didn't faithfully forward port some of the manually added
anchors.
Fix it by pointing to the closest possible heading.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Remove what seems like links from some headings. This error predates the
conversion to RST where an '<a href' was used instead of '<a id' in the
source document.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Some links didn't exit the 'kbase/' directory and 'virDomainBackupEnd'
API never existed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Once we are already using the new anchor format we can create the link
via a local reference.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The role was used to pass through raw HTML to define custom anchor
names. Since all of the document was now converted to use the anchors
generated from headers we can remove it.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
One local reference required rewording of a whole paragraph to make
sense.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Some rewording and rewraping was needed to accomodate the new local
references.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The surrounding paragraph around the only fixed use was rewrapped.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
