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The former is the new recommended frontend for browsing Go API
documentation online.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
With the move to GitLab CI one of the things we miss from Jenkins is a
single page dashboard showing CI status across all projects. This is a
very simple replacement that uses badges for CI pipeline status.
A CSS tweak is needed because RST->HTML adds redundant <p> tags inside
table cells which causes excessive vertical whitespace to appear.
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The libvirt project has alot of git repositories, and they must all be
configured in the same way, more or less. This page documents the
settings changes that I have made in GitLab and GitHub when configuring
projects, both as a reminder for myself, and to help anyone else doing
the same in future. Also included is info about the repo mirroring on
the libvirt.org server.
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Now that we have more than just the libvirtd daemon, we should be
explaining to users what they are all for & important aspects of their
configuration.
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Both the application developer guide and virsh command
reference are unmaintained for best part of 8 years, and
so horrifically out of date. This does not give a good
impression to people reading the docs. Now that we are
publishing the man pages online, those are a better
doc to read for virsh. We can also highlight the API
reference instead of the app dev guide.
The virsh command reference & app dev guide will
still exist on the web root, but will not be linked
to.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The rst2man tool is provided by python docutils, and as the name
suggests, it converts RST documents into man pages.
The intention is that our current POD docs will be converted to
RST format, allowing one more use of Perl to be eliminated from
libvirt.
The manual pages will now all be kept in the docs/manpages/ directory,
which enables us to include the man pages in the published website.
This is good for people searching for libvirt man pages online as it
makes it more likely google will send them to the libvirt.org instead
of some random third party man page site with outdated content.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Prepare for new backup APIs by describing the XML that will represent
a backup. The XML resembles snapshots and checkpoints in being able
to select actions for a set of disks, but has other differences. It
can support both push model (the hypervisor does the backup directly
into the destination file) and pull model (the hypervisor exposes an
access port for a third party to grab what is necessary). Add
testsuite coverage for some minimal uses of the XML.
The <disk> element within <domainbackup> tries to model the same
elements as a <disk> under <domain>, but sharing the RNG grammar
proved to be hairy. That is in part because while <domain> use
<source> to describe a host resource in use by the guest, a backup job
is using a host resource that is not visible to the guest: a push
backup action is instead describing a <target> (which ultimately could
be a remote network resource, but for simplicity the RNG just
validates a local file for now), and a pull backup action is instead
describing a temporary local file <scratch> (which probably should not
be a remote resource). A future refactoring may thus introduce some
way to parameterize RNG to accept <disk type='FOO'>...</disk> so that
the name of the subelement can be <source> for domain, or <target> or
<scratch> as needed for backups. Future patches may improve this area
of code.
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Most importantly we document the required heading markup so that we get
consistency across the docs. Also mention that docs should have a table
of contents if they have headings & are likely longer than one page of
text.
The 3-space indent rule may sound wierd, but that's what python has
recommended and thus what tools like pandoc emit. Rather than try to
reindent things to 4-space, just accept this RST norm.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The generation and deployment of x509 certificates for TLS is complex
and verbose and thus deserves its own standalone page.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
There are various ideas / plans floating around for future libvirt work,
some of which is actively in progress. Historically we've never captured
this kind of information anywhere, except in mailing list discussions.
In particular guidelines in hacking.html.in don't appear until a policy
is actively applied.
This patch attempts to fill the documentation gap, by creating a new
"strategy" page which outlines the general vision for some notable
future changes. The key thing to note is that none of the stuff on this
page is guaranteed, plans may change as new information arises. IOW this
is a "best guess" as to the desired future.
This doc has focused on three areas, related to the topic of language
usage / consolidation
- Use of non-C languages for the library, daemons or helper tools
- Replacement of autotools with meson
- Use of RST and Sphinx for documentation (website + man pages)
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The OOM handling requires special build time options which we never
enable in our CI. Even once enabled the tests are incredibly slow and
typically require manual inspection of the results to weed out false
positives.
Since there was previous agreement to switch to abort on OOM in libvirt
code, there's no point continuing to keep the unused OOM testing code.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Introduce a bunch of new public APIs related to backup checkpoints.
Checkpoints are modeled heavily after virDomainSnapshotPtr (both
represent a point in time of the guest), although a snapshot exists
with the intent of rolling back to that state, while a checkpoint
exists to make it possible to create an incremental backup at a later
time. We may have a future hypervisor that can completely manage
checkpoints without libvirt metadata, but the first two planned
hypervisors (qemu and test) both always use libvirt for tracking
metadata relations between checkpoints, so for now, I've deferred
the counterpart of virDomainSnapshotHasMetadata for a separate
API addition at a later date if there is ever a need for it.
Note that until we allow snapshots and checkpoints to exist
simultaneously on the same domain (although the actual prevention of
this will be in a separate patch for the sake of an easier revert down
the road), that it is not possible to branch out to create more than
one checkpoint child to a given parent, although it may become
possible later when we revert to a snapshot that coincides with a
checkpoint. This also means that for now, the decision of which
checkpoint becomes the parent of a newly created one is the only
checkpoint with no child (so while there are APIs for dealing with a
current snapshot, we do not need those for checkpoints). We may end
up exposing a notion of a current checkpoint later, but it's easier to
add stuff when proven needed than to blindly support it now and wish
we hadn't exposed it.
The following map shows the API relations to snapshots, with new APIs
on the right:
Operate on a domain object to create/redefine a child:
virDomainSnapshotCreateXML virDomainCheckpointCreateXML
Operate on a child object for lifetime management:
virDomainSnapshotDelete virDomainCheckpointDelete
virDomainSnapshotFree virDomainCheckpointFree
virDomainSnapshotRef virDomainCheckpointRef
Operate on a child object to learn more about it:
virDomainSnapshotGetXMLDesc virDomainCheckpointGetXMLDesc
virDomainSnapshotGetConnect virDomainCheckpointGetConnect
virDomainSnapshotGetDomain virDomainCheckpointGetDomain
virDomainSnapshotGetName virDomainCheckpiontGetName
virDomainSnapshotGetParent virDomainCheckpiontGetParent
virDomainSnapshotHasMetadata (deferred for later)
virDomainSnapshotIsCurrent (no counterpart, see note above)
Operate on a domain object to list all children:
virDomainSnapshotNum (no counterparts, these are the old
virDomainSnapshotListNames racy interfaces)
virDomainSnapshotListAllSnapshots virDomainListAllCheckpoints
Operate on a child object to list descendents:
virDomainSnapshotNumChildren (no counterparts, these are the old
virDomainSnapshotListChildrenNames racy interfaces)
virDomainSnapshotListAllChildren virDomainCheckpointListAllChildren
Operate on a domain to locate a particular child:
virDomainSnapshotLookupByName virDomainCheckpointLookupByName
virDomainSnapshotCurrent (no counterpart, see note above)
virDomainHasCurrentSnapshot (no counterpart, old racy interface)
Operate on a snapshot to roll back to earlier state:
virDomainSnapshotRevert (no counterpart, instead checkpoints
are used in incremental backups via
XML to virDomainBackupBegin)
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Prepare for new checkpoint APIs by describing the XML that will
represent a checkpoint. The checkpoint XML is modeled heavily after
virDomainSnapshotPtr. See the docs for more details.
Add testsuite coverage for some minimal uses of the XML (bare minimum,
the sample from html, and a full dumpxml, and some counter-examples
that should fail schema validation). Although use of the REDEFINE flag
will require the <domain> subelement to be present, it is easier for
most of the tests to provide counterpart output produced with the
NO_DOMAIN flag (particularly since synthesizing a valid <domain>
during testing is not trivial).
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
The previously added AMD SEV doc was not linked from anywhere on the
website. Address this by introducing a new "Knowledge base" section
that can hold task oriented guide to various features. Moving the SEV,
disk locking and secure usage guides under this section.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Introduce a virNetworkPortDefPtr struct to represent the data associated
with a virtual network port. Add APIs for parsing/formatting XML docs
with the data.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
libvirt-dbus is a new binding that wraps libvirt API into D-Bus calls.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
While we have collective knowledge about the support status of various
parts of libvirt, this has never been formally documented, leaving our
users to guess.
Note, this document makes one change to our previous policy. It explicitly
declares the RPC protocol of libvirtd as being a supported interface. THis
accepts the reality that we can a) never change it without breaking compat
with old libvirt.so, b) there are both rust + go impls that are written
against the RPC protocol already.
Reviewed-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The HTML5 doctype is simply
<!DOCTYPE html>
no DTD is present because HTML5 is no longer defined as an
extension of SGML.
XSL has no way to natively output a doctype without a public
or system identifier, so we have to use an <xsl:text> hack
instead.
See also
https://dev.w3.org/html5/html-author/#doctype-declaration
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The github.com/rgbkrk/libvirt-go bindings were the most complete
bindings historically, but their API coverage stops at 1.2.4,
with exception of a couple of newer APIs.
The new bindings at http://libvirt.org/git/?p=libvirt-go.git;a=log
how have (almost[1]) 100% API coverage all the way to 2.5.0. They also
expose the APIs in a way that allows for much stronger go type
checking by the compiler, and expose typed parameters as explicit
structs. Finally the bindings are able to conditionally compile against
any libvirt version 1.2.0 -> 2.5.0 without use of go build tags.
Change the docs to point to these new bindings, since they'll be
a better bet for users long term.
[1] virEvent & virStream callbacks are still TODO to be fixed
real soon.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
A combination of the index page, top nav bar and docs.html page
provide links to all pages on the site. The left hand nav bar
is thus redundant and can be removed to provide a simpler style
for the site.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The docs page is currently completely empty. Fill it in with
links to the various documentation, categorized as to whether
it is targetting people deploying libvirt, application
developers using libvirt, or people working on libvirt
itself.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The rule generating the HTML docs passing the --html flag
to xsltproc. This makes it use the legacy HTML parser, which
either ignores or tries to fix all sorts of broken XML tags.
There's no reason why we should be writing broken XML in
the first place, so removing --html and adding the XHTML
doctype to all files forces us to create good XML.
This adds the XHTML doc type and fixes many, many XML tag
problems it exposes.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
