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Since a mediated device can be persistently defined by the mdevctl
backend, we need additional lifecycle events beyond CREATED/DELETED to
indicate that e.g. the device has been stopped but the device definition
still exists.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Stdio was buffering strings in functions:
myDomainEventBlockJobCallback,
myDomainEventBlockThresholdCallback,
myDomainEventMemoryFailureCallback. It caused flushing the
printed strings from callbacks at the end of a run, not
gradually. The solution is to add \n at the end of each string.
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Introduce memory failure event. Libvirt should monitor domain's
event, then posts it to uplayer. According to the hardware memory
corrupted message, a cloud scheduler could migrate domain to another
health physical server.
Several changes in this patch:
public API:
include/*
src/conf/*
src/remote/*
src/remote_protocol-structs
client:
examples/c/misc/event-test.c
tools/virsh-domain.c
With this patch, each driver could implement its own method to run
this new event.
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Our schema forces a <target/> element which was not present in the
files.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Schema mandates a '<dir>' element, not '<directory>'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There is no such <storage> element, <capacity> and <allocation> exist at
the top level.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Various places reported by cppcheck's invalidPrintfArgType_sint
and invalidPrintfArgType_uint.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Update the events stap example because the event loop impl is replaced by
GLib based event loop impl after commit 55fe8110.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Han Han <hhan@redhat.com>
Meson doesn't use .libs directory, everything is placed directly into
directories where meson.build file is used.
In order to have working tests and running libvirt directly from GIT we
need to fix all the paths pointing '.libs' directory.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
EXTRA_DIST is not relevant because meson makes a git copy when creating
dist archive so everything tracked by git is part of dist tarball.
The remaining ones are not converted to meson files as they are
automatically tracked by meson.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
Pvpanic device supports bit 1 as crashloaded event, it means that
guest actually panicked and run kexec to handle error by guest side.
Handle crashloaded as a lifecyle event in libvirt.
Test case:
Guest side:
before testing, we need make sure kdump is enabled,
1, build new pvpanic driver (with commit from upstream
e0b9a42735f2672ca2764cfbea6e55a81098d5ba
191941692a3d1b6a9614502b279be062926b70f5)
2, insmod new kmod
3, enable crash_kexec_post_notifiers,
# echo 1 > /sys/module/kernel/parameters/crash_kexec_post_notifiers
4, trigger kernel panic
# echo 1 > /proc/sys/kernel/sysrq
# echo c > /proc/sysrq-trigger
Host side:
1, build new qemu with pvpanic patches (with commit from upstream
600d7b47e8f5085919fd1d1157f25950ea8dbc11
7dc58deea79a343ac3adc5cadb97215086054c86)
2, build libvirt with this patch
3, handle lifecycle event and trigger guest side panic
# virsh event stretch --event lifecycle
event 'lifecycle' for domain stretch: Crashed Crashloaded
events received: 1
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
The build still succeeds with the workaround removed, so
whatever was causing the problem no longer exists.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
G_STATIC_ASSERT() is a drop-in functional equivalent of
the GNULIB verify() macro.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
A backup job may consist of many backup sub-blockjobs. Add the new
blockjob type and add all type converter strings.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We try to keep the example programs independent of libraries
other than libvirt.
Rename the locally defined ARRAY_CARDINALITY macro to G_N_ELEMENTS
which GLib provides, even though we don't actually include GLib.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Name the macro G_GNUC_UNUSED instead of ATTRIBUTE_UNUSED
to match the rest of libvirt code.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The nwfilter XML configs are not merely examples, they are data that is
actively shipped and used in production by users.
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
All other examples are organized using the either the format/
or the format/category/ hierarchy already, and grouping all
C programs together removes the last remaining outliers.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
Now that all C examples are neatly sorted into only three
categories, getting rid of our custom installation machinery
and replacing it with the standard autotools mechanism
finally becomes feasible.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
Most C examples live in their own directory, which seems a
bit unnecessary especially considering that all virt-admin
related examples share a single admin/ directory. Reorganize
non-admin C examples in two categories: domain/ for those
that act on a domain, and misc/ for everything else.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
The virt-lxc-convert shell script is at this point the
only example we don't install on the target system.
Create a sh/ subdirectory, following the example set by
the existing polkit/, systemtap/ and xml/, and move the
script there; then add rules that will install all example
shell scripts as documentation.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
Right now we install the files in RPMs only, and we include
them in the -daemon package which is probably not the best
option either. Start installing them via autotools; the RPMs
will get them automatically in the -docs package.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
We're doing nothing more than copying files to a target
directory, so we don't need any custom shell commands and
can just use the standard autotools data installation
support instead.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
$(mkinstalldirs) works like 'mkdir -p' in that it will
create all the necessary parts of the path leading up to
the actual directory, which means creating $(examplesdir)
beforehand is not necessary.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
$(AM_CPPFLAGS) is for passing options to the C preprocessor,
not the C compiler, and the stuff in $(WARN_CFLAGS) belongs
to the latter category.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
$(LDADD) is for object files that should be added during
linking, not for options that should be passed to the
linker: that's what $(AM_LDFLAGS) is for.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
The C programs in this directory are supposed to be only
using public functions, so having $(top_srcdir) in the
header search path is unnecessary at best and actively
harmful at worst.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
$(WARN_CFLAGS) contains options intended for the compiler,
whereas $(LDADD) is supposed to list additional objects
required during linking, so the former clearly doesn't
belong in the latter.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
This will make further changes easier to review.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
$(AM_CPPFLAGS) already includes $(WARN_CFLAGS), so this is
not doing anything useful.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
We can't rely on $(noinst_PROGRAMS) retaining its original
value, so let's use a separate $(EXAMPLES) variable instead.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Our build system doesn't currently install the various
example programs provided along libvirt; however, both the
upstream .spec file and the Debian packaging go out of
their way to make sure these useful demos are included in
the respective documentation packages.
Moreover, doing so without help from the upstream build
system is easy to get wrong: the libvirt-docs RPM package,
for example, ends up missing one of the examples and
including a bunch of empty .deps/ directories.
Install the examples in $(docdir) as part of our regular
procedure, so that users and downstreams don't have to do
anything special about them.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
This is a zero-cost workaround for a bug in GCC 8.3.0 which causes the
compilation to fail, because the compiler thinks that the value might be used
uninitialized even though it clearly cannot be.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Now that all the examples are warning free, keep it that way by enabling
all the normal compiler warning flags.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The example currently assumes that a NULL URI will open Xen and thus
also assumes that a domain with ID 0 exists. Change it to require the
URI and a domain name as command line arguments.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Jumping over the declaration and initialization of a variable is bad as
it means the jump target sees a potentially non-initialized variable.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The Windows printf functions don't support %llu/%lld for printing 64-bit
integers. For most of libvirt this doesn't matter as we rely on gnulib
which provides a replacement printf that is sane.
The example code is designed to compile against the normal OS headers,
with no use of gnulib and thus has to use the platform specific printf.
To deal with this we must use the macros PRI* macros from inttypes.h
to get the platform specific format string.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
We provide a custom configure option --enable-test-coverage and
'make cov' target to generate code coverage reports. However gnulib
already provides a 'make coverage' which 'just works' and doesn't
require a special configure option.
This drops our custom implementation in favor of 'make coverage'.
Reports are now output to cov/index.html
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
In these cases the check that is removed has been done a few
lines above already (as can even be seen in the context). Drop
them.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
These files need to be installed on the system for apparmor
support to work, so they don't belong with examples.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
mingw lacks localtime_r(); we were getting it from gnulib. But since
commit acf522e8 stopped linking examples against gnulib, we are
getting a build failure. Keep the examples standalone, and work
around mingw by using the non-reentrant localtime() (safe since our
examples are single-threaded), and add a necessary exemption to our
syntax check.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
mingw lacks sigaction(); we were getting it from gnulib. But since
commit acf522e8 stopped linking examples against gnulib, we are
getting a build failure. Keep the examples standalone, and work
around mingw by using signal() instead.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
