Thing is, in f3f15cc24 I'm trying to adapt libvirt to the newest
glibc where major()/minor()/makedev() are moved from sys/types.h
to sys/sysmacros.h. However, my commit back then expect autoconf
to be fixed too as we already use AC_HEADER_MAJOR to determine
which header file the functions are in, but because the header
files just trigger a warning and not a compile error, the
autoconf macro detects the bad header file.
This is just a workaround until autoconf macro is fixed.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This allows us to produce releases that are roughly a third in
size, have no limitation on path length, and are still readable
by all supported platforms.
This bumps the release number of 2.0.0, to reflect the switch to
a new time based release versioning scheme. The downloads page
is updated to describe our policies for release schedules and
release version numbering
The stable release docs are changed to reflect the fact that
the stable version numbers are now just 3 digits long instead
of 4.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Currently libvirt calls gnutls_set_default_priority()
which on old systems resolves to "NORMAL" while new
systems it resolves to "@SYSTEM". Either way, this
is a global default that is identical across all apps.
We want to allow distros to flexibility to define a
custom default string for libvirt priority, so add
a --tls-priority=STRING flag to configure to enable
this to be set.
It is expected that distros would use this when creating
RPM/Deb/etc packages, according to their preferred crypto
handling policies.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
We need to use the gnutls_priority_set_direct method which
was not introduced until 2.1.7, so bump version to 2.2.0
which is the first stable release with it included. This
release dates from Dec 2007 so it is reasonable to ditch
support for the 1.x.x series for gnutls releases entirely.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The sd_notify method is used to tell systemd when libvirtd
has finished starting up. All it does is send a datagram
containing the string parameter to systemd on a UNIX socket
named in the NOTIFY_SOCKET environment variable. Rather than
pulling in the systemd libraries for this, just code the
notification directly in libvirt as this is a stable ABI
from systemd's POV which explicitly allows independant
implementations:
See "Reimplementable Independently" column in the
"$NOTIFY_SOCKET Daemon Notifications" row:
https://www.freedesktop.org/wiki/Software/systemd/InterfacePortabilityAndStabilityChart/
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1314881
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
There is a lot to explain, but I try to make it as short as
possible. I'd start by pasting some parts of sys/stat.h:
extern int stat (const char *__restrict __file,
struct stat *__restrict __buf) __THROW __nonnull ((1, 2));
extern int __REDIRECT_NTH (stat, (const char *__restrict __file,
struct stat *__restrict __buf), stat64)
__nonnull ((1, 2));
__extern_inline int
__NTH (stat (const char *__path, struct stat *__statbuf))
{
return __xstat (_STAT_VER, __path, __statbuf);
}
Only one of these is effective at once, due to some usage of
the mess we are dealing with in here. So, basically, while
compiling or linking stat() in our code can be transformed into
some other func. Or a dragon.
Now, if you read stat(2) manpage, esp. "C library/kernel
differences" section, you'll learn that glibc uses some tricks
for older applications to work. I haven't gotten around actual
code that does this, but based on my observations, if 'stat'
symbol is found, glibc assumes it's dealing with ancient
application. Unfortunately, it can be just ours stat coming from
our mock. Therefore, calling stat() from a test will end up in
our mock. But since glibc is not exposing the symbol anymore, our
call of real_stat() will SIGSEGV immediately as the pointer to
function is NULL. Therefore, we should expose only those symbols
we know glibc has.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Introduce virCryptoHaveCipher and virCryptoEncryptData to handle
performing encryption.
virCryptoHaveCipher:
Boolean function to determine whether the requested cipher algorithm
is available. It's expected this API will be called prior to
virCryptoEncryptdata. It will return true/false.
virCryptoEncryptData:
Based on the requested cipher type, call the specific encryption
API to encrypt the data.
Currently the only algorithm support is the AES 256 CBC encryption.
Adjust tests for the API's
Commit id 'df1011ca8' modified virStorageBackendDiskDeleteVol to use
"dmsetup remove --force" to remove the volume, but left things in an
inconsistent state since the partition still existed on the disk and
only the device mapper device (/dev/dm-#) was removed.
Prior to commit '1895b421' (or '1ffd82bb' and '471e1c4e'), this could
go unnoticed since virStorageBackendDiskRefreshPool wasn't called.
However, the pool would be unusable since the /dev/dm-# device would
be removed even though the partition was not removed unless a multipathd
restart reset the link. That would of course make the volume appear again
in the pool after a refresh or pool start after libvirt reload.
This patch removes the 'dmsetup' logic and re-implements the partition
deletion logic for device mapper devices. The removal of the partition
via 'parted rm --script #' will cause udev device change logic to allow
multipathd to handle removing the dm-* device associated with the partition.
In LIBXL_API_VERSION 0x040400, the libxl_domain_create_restore API
gained a parameter for specifying restore parameters. Switch to
using version 0x040400, which will be useful in a subsequent commit
to specify the Xen migration stream version when restoring.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Most distributions, including RHEL, have switched to systemd,
so we should detect it and act accordingly. This also means
that 'systemd+redhat' should be preferred to legacy 'redhat'.
Our witness for the check is the availability of the systemctl
command on the host.
If we didn't find a match, either because we're cross compiling
or because we're not building on RHEL, we won't install any
init script.
Make sure this is reported correctly in the configure summary.
So in glibc-2.23 sys/sysmacros.h is no longer included from sys/types.h
and we don't build because of the usage of major/minor/makedev macros.
Autoconf already has AC_HEADER_MAJOR macro that check where exactly
these functions/macros are defined, so let's use that.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
To ensure the libvirt libxl driver will build with future versions
of Xen where the libxl API may change in incompatible ways,
explicitly use LIBXL_API_VERSION 0x040200. The libxl driver
does use new libxl APIs that have been added since Xen 4.2, but
currently it does not make use of any changes made to existing
APIs such as libxl_domain_create_restore or libxl_set_vcpuaffinity.
The version can be bumped if/when the libxl driver consumes the
changed APIs.
Further details can be found in the following discussion thread
https://www.redhat.com/archives/libvir-list/2016-April/msg00178.html
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
The reason for this is to fix the automatic rebuild of libvirt-common.h.in.
All *.in files should be automatically rebuilt each time they're modified.
It works well for makefiles and pkgconfig files, since they do have a valid
dependency in the top-level Makefile. However, with libvirt-common.h.in
there is no dependency in the top-level Makefile and there's no need for it
either, so this rule
include/libvirt/libvirt-common.h: $(top_builddir)/config.status \
$(top_srcdir)/include/libvirt/libvirt-common.h.in
cd $(top_builddir) && $(SHELL) ./config.status $@
is never hit and should be moved to include/Makefile, but that's automake's
job. According to GNU automake docs:
"Files created by AC_CONFIG_FILES, be they
Automake Makefiles or not, are all removed by ‘make distclean’. Their inputs
are automatically distributed, unless they are the output of prior
AC_CONFIG_FILES commands. Finally, rebuild rules are generated in the Automake
Makefile existing in the subdirectory of the output file, if there is one, or
in the top-level Makefile otherwise."
Which means that if we want to have the rule for libvirt-common.h automatically
generated by automake, the include/Makefile.am needs to be moved into libvirt/
subdirectory and $SUBDIRS in the top-level Makefile need to be adjusted as
well. This patch moves Makefile.am from include/ to include/libvirt, adjusting
the prefixes accordingly as well as updates the top-level Makefile $SUBDIRS to
properly hint automake to generate all rules at proper places.
Best way to see the changes, use -M with 'git show'.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
virt-host-validate, just like virt-login-shell, doesn't make sense
on Windows, so we should avoid building it.
Make the tool optional and build it by default on all platforms
except Windows, erroring out if the user attempts to build it
anyway.
Checking for the availability of this header, just like checking
for the availability of gnutls_rnd(), requires CFLAGS and LIBS to
be set appropriately.
Fixes the following compilation errors on FreeBSD:
qemu/qemu_domain.c:640:16: error: implicit declaration of function
'gnutls_rnd' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
if ((ret = gnutls_rnd(GNUTLS_RND_RANDOM, key, nbytes)) < 0) {
^
qemu/qemu_domain.c:640:27: error: use of undeclared identifier
'GNUTLS_RND_RANDOM'; did you mean 'GNUTLS_CRD_ANON'?
if ((ret = gnutls_rnd(GNUTLS_RND_RANDOM, key, nbytes)) < 0) {
^~~~~~~~~~~~~~~~~
GNUTLS_CRD_ANON
Our use of gnutls_rnd(), introduced with commit ad7520e8, is
conditional to the availability of the <gnutls/crypto.h> header
file.
Such check, however, turns out not to be strict enough, as there
are some versions of GnuTLS (eg. 2.8.5 from CentOS 6) that provide
the header file, but not the function itself, which was introduced
only in GnuTLS 2.12.0.
Introduce an explicit check for the function.
The variables used for storing CFLAGS and LIBS before temporarily
modifying them was consistent when it comes to the name, but not
when it comes to the case.
Make sure names are completely consistent.
The previous value of CFLAGS was saved as old_cflags but later
restored from old_CFLAGS, which is clearly not correct.
Restore CFLAGS from the right variable.
Name Service Switch is a glibc feature responsible for many
things. Translating domain names into IP addresses and vice versa
is just one of them. However, currently it's the only
functionality that this commit is tickling. Well, in this commit
the plugin skeleton is introduced. Implementation to come in next
patches.
Because of the future testing, where the implementation is to be
linked with a test, this needs to go into static library. Linking
a program with an .so statically is not portable. Therefore a
dummy libnss_libvirt_impl library is being introduced too.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
We include the file in plenty of places. This is mostly due to
historical reasons. The only place that needs something from the
header file is storage_backend_fs which opens _PATH_MOUNTED. But
it gets the file included indirectly via mntent.h. At no other
place in our code we need _PATH_.*. Drop the include and
configure check then.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
ZFS-on-Linux implementation of ZFS starting with version 0.6.4
contains all the features we use. Additionally, as we support
'volmode' option handling that's not available on ZoL but is
available on FreeBSD, there is no need to block ZFS storage driver
on Linux anymore.
So un-mark zfs storage driver as FreeBSD-only.
OpenBSD uses 'struct sockpeercred' instead of 'struct ucred'. Add a
configure check that detects its presence and use if in the code that
could be compiled on OpenBSD.
Signed-off-by: Roman Bogorodskiy <bogorodskiy@gmail.com>
Using one Makefile per example subdirectory essentially serializes 'make'
calls. Convert to one example/Makefile that builds and distributes
all the subdir files. This reduces example/ rebuild time from about 5.8
seconds to 1.5 seconds on my machine.
One slight difference is that we no longer ship Makefile.am with the
examples in the rpm. This was virtually useless anyways since the Makefile
was very specific to libvirt infrastructure, so wasn't generically
reusable anyways.
Tested with 'make distcheck' and 'make rpm'
This function can be used to retrieve the current locked memory
limit for a process, so that the setting can be later restored.
Add a configure check for getrlimit(), which we now use.
Cygwin cannot build the vbox driver yet:
CC vbox/libvirt_driver_vbox_impl_la-vbox_glue.lo
In file included from vbox/vbox_glue.c:27:0:
vblox/vbox_XPCOMCGlue.c:63:3: error: #error "Port me"
# error "Port me"
^
In file included from vbox/vbox_XPCOMCGlue.c:45:0,
from vbox/vbox_glue.c:27:
vbox/vbox_XPCOMCGlue.c: In function 'tryLoadOne':
vbox/vbox_XPCOMCGlue.c:98:46: error: 'DYNLIB_NAME' undeclared (first use in this function)
if (virAsprintf(&name, "%s/%s", dir, DYNLIB_NAME) < 0)
^
./util/virstring.h:245:31: note: in definition of macro 'virAsprintf'
strp, __VA_ARGS__)
^
Rather than trying to figure out how to get dynamic loading of
vbox to work under cygwin (since I don't even have a working vbox
setup to test whether it works), I'm going to be lazy and just
default to not even trying vbox on cygwin.
Upstream Xen is in the process of splitting the (stable API) xtl_*
interfaces out from the (unstable API) libxenctrl library and into a
new (stable API) libxentoollog.
In order to be compatible with Xen both before and after this
transition check for xtl_createlogger_stdiostream in a libxentoollog
library and use it if present. If it is not present assume it is in
libxenctrl.
Compile tested on Xen 4.6 and a development tree with the split in
place.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
As it turned out, we need to share some enums and declarations between
libvirt.h and libvirt-admin.h, but since our policy forbids direct includes of
libvirt*.h, there has to be some header exempt from this rule. This patch moves
the relevant part of code from libvirt.h.in to libvirt-common.h.in. Moreover,
since there is no need to have libvirt.h generated anymore, introduce a new
header libvirt.h which was previosly ignored from git and make the common
header ignored and generated instead.
For openSUSE the qemu-bridge-helper is installed in /usr/lib
So libvirt has to search it in this directory.
Signed-off-by: Michel Normand <normand@linux.vnet.ibm.com>
So, our mingw build is broken. It's because while libvirt_shell
library is using some of our internal APIs, e.g. virStrndup, and
readline API but it's not being linked with nor libvirt.la nor
libreadline. Only subsequent users of the library, like virsh,
do link to the needed libraries. In fact, I'm surprised Linux
linker doesn't care, because how can it make a static library
with missing symbols is mystery to me.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This reverts commit e5470dd0e0.
This has been ACK'd by the original author in the original mail thread:
https://www.redhat.com/archives/libvir-list/2015-September/msg00310.html
The reason to revert this is due to the patch breaking the generation of
internal subsites. The original issue still needs to be dealt with,
though.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Creating ACL rules is not exactly easy and existing examples are pretty
simple. This patch adds a somewhat complex example which defines several
roles. Admins can do everything, operators can do basic operations
on any domain and several groups of users who act as operators but only
on a limited set of domains.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Since we're linking this into libvirtd we need some symbols to be public
but not part of the public API so mark them as
LIBVIRT_ADMIN_PRIVATE_<VERSION> as we do with libvirt.
Making all other symbols local makes sure we don't accidentally leak
unwanted ones.
We don't need pkcheck binary, but we must detect it in order
to see if we're preferring polkit-1 over polkit-0 when both
are installed. We should also check $with_dbus to see if we
have dbus-devel available, as that's required to talk to
polkit-1.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Adding functionality to libvirt that will allow
it query the interface for the availability of RDMA and
tx-udp_tnl-segmentation Offloading NIC capabilities
Here is an example of the feature XML definition:
<device>
<name>net_eth4_90_e2_ba_5e_a5_45</name>
<path>/sys/devices/pci0000:00/0000:00:03.0/0000:08:00.1/net/eth4</path>
<parent>pci_0000_08_00_1</parent>
<capability type='net'>
<interface>eth4</interface>
<address>90:e2:ba:5e:a5:45</address>
<link speed='10000' state='up'/>
<feature name='rx'/>
<feature name='tx'/>
<feature name='sg'/>
<feature name='tso'/>
<feature name='gso'/>
<feature name='gro'/>
<feature name='rxvlan'/>
<feature name='txvlan'/>
<feature name='rxhash'/>
<feature name='rdma'/>
<feature name='txudptnl'/>
<capability type='80203'/>
</capability>
</device>
With the latest patch to the vz driver (7d73ca06ce) I was
getting some compilation errors. It turned out, my installation
of the parallels SDK was not as fresh as it could be. Parallels
installed in my system were missing the
PRL_USE_VNET_NAME_FOR_BRIDGE_NAME symbol which simply was not
introduced at the time I was installing the SDK. The symbol was
introduced in 86e62a5d which was then part of the 7.0.22 release.
Require that version at least therefore.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Eventually, every driver will be moved to a special module.
But for today the winner is Virtuozzo driver.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Since the background for Admin API is merged upstream, we are bumping
the minor release version as discussed previously
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
You had only one job. That's what you can say about this example
binary. In future, parts of virsh that are usable for this binary
should be split into separate shell-utils and virt-admin should gain all
the cool features of virsh without too much code addition.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Initial scratch of the admin library. It has its own virAdmConnectPtr
that inherits from virAbstractConnectPtr and thus trivially supports
error reporting.
There's pkg-config file added and spec-file adjusted as well.
Since the library should be "minimalistic" and not depend on any other
library, the list of files is especially crafted for it. Most of them
could've been put to it's own sub-libraries that would be LIBADD'd to
libvirt_util, libvirt_net_rpc and libvirt_setuid_rpc_client to minimize
the number of object files being built, but that's a refactoring that
isn't the orginal aim of this commit.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
We're using Polkit's DBus API so no need to check wether this feature is
supported. We don't use the result or the path to the pkcheck program
anywhere.
Newer binutils 'ar' has added an option 'D' for deterministic
builds, and at least on rawhide, this option is enabled by default.
But it conflicts with the 'u' optimization where the linker only
modifies libraries based on file timestamps, but can result in
different library ordering based on which files were touched last.
Thus, it results in some noisy compilation, for every CCLD line:
CCLD libvirt_driver_qemu_impl.la
ar: `u' modifier ignored since `D' is the default (see `U')
Upstream automake has decided that defaulting ARFLAGS to 'cru' is
no longer beneficial, and that switching the default to 'cr' will
both silence the noise and not penalize modern build systems.
https://lists.gnu.org/archive/html/automake-patches/2015-06/msg00000.html
But rather than wait for newer automake to propagate to all systems
that already have newer binutils, we might as well just use the new
default ourselves, even on older platforms.
* configure.ac: Default AR[_]FLAGS to 'cr', not 'cru'.
Signed-off-by: Eric Blake <eblake@redhat.com>
xen.git commit babeca32 added a pkgconfig file for libxenlight,
allowing libxl apps to determine the location of Xen binaries
such as firmware blobs, device emulator, etc.
This patch adds support for xenlight.pc in the libxl driver, falling
back to the previous configure logic if not found. It introduces
LIBXL_FIRMWARE_DIR and LIBXL_EXECBIN_DIR to define the firmware and
libexec_bin locations. If xenlight.pc does not exist, the defines
are set to the current hardcoded paths. The capabilities'
<emulator> and <loader> elements are updated to use the paths.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Adds the port type definitions and methods that will be used to bind
interfaces to the Midonet virtual ports.
virtnetdevmidonet.c adds the way to bind and unbind the ports by
calling into the Midonet Host Agent control command line (installed
with the midolman package).
Signed-off-by: Antoni Segura Puimedon <toni+libvirt@midokura.com>
Wireshark supports pkg-config since 1.11.3. Right now we build
wireshark-dissectior tool as default trough rpm build only on
fedora >= 21 and there is new wireshark that supports pkg-config.
If someone wants to build libvirt with wireshark-dissector against old
wireshark, they should specify the location by hand.
This patch is mainly to fix wrong dependency on wireshark binary as it
doesn't make sense to require that binary file to just get version info
of that package in makefile.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Commit c9027d8f added a detection of NIC HW features, but some of them
are not available in old kernel. Very old kernels lack enum
ethtool_flags and even if this enum is present, not all values are
available for all kernels. To be sure that we have everything in kernel
that we need, we must check for existence of most of that flags, because
only few of them were defined at first.
Also to successfully build libvirt with older kernel we need to include
<linux/types.h> before <linux/ethtool.h> to have __u32 and friends
defined.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This function uses sched_setscheduler() function so it works with
processes and threads as well (even threads not created by us, which is
what we'll need in the future).
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Up until now there are just two ways how to specify UEFI paths to
libvirt. The first one is editing qemu.conf, the other is editing
qemu_conf.c and recompile which is not that fancy. So, new
configure option is introduced: --with-loader-nvram which takes a
list of pairs of UEFI firmware and NVRAM store. This way, the
compiled in defaults can be passed during compile time without
need to change the code itself.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Introduce a parser/formatter for the xl config format. Since the
deprecation of xm/xend, the VM config file format has diverged as
new features are added to libxl. This patch adds support for parsing
and formating the xl config format. It supports the existing xm config
format, plus adds support for spice graphics and xl disk config syntax.
Disk config is specified a bit differently in xl as compared to xm. In
xl, disk config consists of comma-separated positional parameters and
keyword/value pairs separated by commas. Positional parameters are
specified as follows
target, format, vdev, access
Supported keys for key=value options are
devtype, backendtype
The positional paramters can also be specified in key/value form. For
example the following xl disk config are equivalent
/dev/vg/guest-volume,,hda
/dev/vg/guest-volume,raw,hda,rw
format=raw, vdev=hda, access=rw, target=/dev/vg/guest-volume
See $xen_sources/docs/misc/xl-disk-configuration.txt for more details.
xl disk config is parsed with the help of xlu_disk_parse() from
libxlutil, libxl's utility library. Although the library exists
in all Xen versions supported by the libxl virt driver, only
recently has the corresponding header file been included. A check
for the header is done in configure.ac. If not found, xlu_disk_parse()
is declared externally.
Signed-off-by: Kiarie Kahurani <davidkiarie4@gmail.com>
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Introduce a Xen xl parser
This parser allows for users to convert the new xl disk format and
spice graphics config to libvirt xml format and vice versa. Regarding
the spice graphics config, the code is pretty much straight forward.
For the disk {formating, parsing}, this parser takes care of the new
xl format which include positional parameters and key/value parameters.
In xl format disk config a <diskspec> consists of parameters separated by
commas. If the parameters do not contain an '=' they are automatically
assigned to certain options following the order below
target, format, vdev, access
The above are the only mandatory parameters in the <diskspec> but there
are many more disk config options. These options can be specified as
key=value pairs. This takes care of the rest of the options such as
devtype, backend, backendtype, script, direct-io-safe,
The positional paramters can also be specified in key/value form
for example
/dev/vg/guest-volume,,hda
/dev/vg/guest-volume,raw,hda,rw
format=raw, vdev=hda, access=rw, target=/dev/vg/guest-volume
are interpleted to one config.
In xm format, the above diskspec would be written as
phy:/dev/vg/guest-volume,hda,w
The disk parser is based on the same parser used successfully by
the Xen project for several years now. Ian Jackson authored the
scanner, which is used by this commit with mimimal changes. Only
the PREFIX option is changed, to produce function and file names
more consistent with libvirt's convention.
Signed-off-by: Kiarie Kahurani <davidkiarie4@gmail.com>
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reported in https://bugzilla.redhat.com/show_bug.cgi?id=1165827;
dash complains:
checking for pkcheck... /usr/bin/pkcheck
checking whether pkcheck supports uid value... yes
./configure: 63906: test: xno: unexpected operator
checking for dtrace... no
* configure.ac: Use '=' not '==' in test.
Signed-off-by: Eric Blake <eblake@redhat.com>
Currently, build fails on FreeBSD because its struct ifreq does not
have ifr_hwaddr member. In order to fix that, check if this member
is present, otherwise fall back to the stub version of the
virNetDev{Add,Del}Multi functions.
When building libvirt from source with netcf-devel installed, the
configure script reports error "libnl-devel >=3.0 is required for
macvtap support", while actually libnl3-devel is required.
Signed-off-by: Shanzhi Yu <shyu@redhat.com>
Executing prlctl command is not an optimal way to interact with
Parallels Cloud Server (PCS), it's better to use parallels SDK,
which is a remote API to paralles dispatcher service.
We prepared opensource version of this SDK and published it on
github, it's distributed under LGPL license. Here is a git repo:
https://github.com/Parallels/parallels-sdk.
To build with parallels SDK user should get compiler and linker
options from pkg-config 'parallels-sdk' file. So fix checks in
configure script and build with parallels SDK, if that pkg-config
file exists and add gcc options to makefile.
Signed-off-by: Dmitry Guryanov <dguryanov@parallels.com>
src/xenxs contains parsing/formating functions for the various xen
config formats, and is better named src/xenconfig.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Perl is necessary to our build processing, it will invoke a lot of
generating script, like: gendispatch.pl. If perl is missing, it's
ok for build from git checkout, because autogen.sh will tell you.
But for compiling from a release tarball, configure will just record
a missing message, and continue, then build failed, like:
https://www.redhat.com/archives/libvirt-users/2014-August/msg00050.html
So need to enhance configure script to handle this negative case.
Reported-by: Hongbin Lu <hongbin@savinetwork.ca>
Signed-off-by: Jincheng Miao <jmiao@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Implement ZFS storage backend driver. Currently supported
only on FreeBSD because of ZFS limitations on Linux.
Features supported:
- pool-start, pool-stop
- pool-info
- vol-list
- vol-create / vol-delete
Pool definition looks like that:
<pool type='zfs'>
<name>myzfspool</name>
<source>
<name>actualpoolname</name>
</source>
</pool>
The 'actualpoolname' value is a name of the pool on the system,
such as shown by 'zpool list' command. Target makes no sense
here because volumes path is always /dev/zvol/$poolname/$volname.
User has to create a pool on his own, this driver doesn't
support pool creation currently.
A volume could be used with Qemu by adding an entry like this:
<disk type='volume' device='disk'>
<driver name='qemu' type='raw'/>
<source pool='myzfspool' volume='vol5'/>
<target dev='hdc' bus='ide'/>
</disk>
There's this question on the list that is asked over and over again.
How do I get {cpu, memory, ...} usage in percentage? Or its modified
version: How do I plot nice graphs like virt-manager does?
It would be nice if we have an example to inspire people. And that's
what domtop should do. Yes, it could be written in different ways, but
I've chosen this one as I think it show explicitly what users need to
implement in order to imitate virt-manager's graphing.
Note: The usage is displayed from host perspective. That is, how much
host CPUs the domain is using. But it should be fairly simple to
switch do just guest CPU usage if needed.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
When testing language bindings it is useful to be able to build
them against an uninstalled libvirt source tree. Add a dummy
set of pkg-config files to allow for this. This can be used by
setting
export PKG_CONFIG_PATH=/path/to/libvirt/git/src
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
For some reason there have never been pkg-config files created
for the libvirt-qemu.so and libvirt-lxc.so libraries.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Add a helper function virBhyveGetDomainTotalCpuStats() to
obtain process CPU time using kvm (kernel memory interface)
and use it to set cpuTime field of the virDomainInfo struct in
bhyveDomainGetInfo().
This commit adds a new example to illustrate peer to
peer domain migration with virDomainMigrateToURI.
Signed-off-by: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@cloudwatt.com>
We don't support building libvirtd on Win32 since we lack the
fork/exec feature needed for the stateful drivers. Disable this
by default, so users can just do 'mingw32-configure' with no
special args required.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The configure definition previously always defined the GLUSTER_CLI macro
and thus the code needing it wasn't compiled out if the tool wasn't
accessible.
https://bugzilla.redhat.com/show_bug.cgi?id=1072714
Use the "gluster" command line tool to retrieve information about remote
volumes on a gluster server to allow storage pool source lookup.
Unfortunately gluster doesn't provide a management library so that we
could use that directly, instead the RPC calls are hardcoded in the
command line tool.
Commit 5e1d5dd moved the functions using isciadm to util/viriscsi.c,
but ISCSIADM was only defined when the iscsi backend was compiled in.
Define it unconditionally to fix the build (and allow testing
of viriscsi.c) even if iscsi backend is disabled.
configure check for character devices lock path calls
AC_DEFINE_UNQUOTED for VIR_CHRDEV_LOCK_FILE_PATH even if
$with_chrdev_lock_files = "no".
So the locking code in conf/virchrdev.c:
#ifdef VIR_CHRDEV_LOCK_FILE_PATH
is compiled in even if it shouldn't, because VIR_CHRDEV_LOCK_FILE_PATH
is defined as "no", so it tries to create lock files with strange
lock path like 'no/LCK..'.
Fix that by calling AC_DEFINE_UNQUOTED only if $with_chrdev_lock_files
is not 'no'.
Systemd does not forget about the cases, where client service needs to
wait for daemon service to initialize and start accepting new clients.
Setting a dependency in client is not enough as systemd doesn't know
when the daemon has initialized itself and started accepting new
clients. However, it offers a mechanism to solve this. The daemon needs
to call a special systemd function by which the daemon tells "I'm ready
to accept new clients". This is exactly what we need with
libvirtd-guests (client) and libvirtd (daemon). So now, with this
change, libvirt-guests.service is invoked not any sooner than
libvirtd.service calls the systemd notify function.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
The previous OOM testing support would re-run the entire "main"
method each iteration, failing a different malloc each time.
When a test suite has 'n' allocations, the number of repeats
requires is (n * (n + 1) ) / 2. This gets very large, very
quickly.
This new OOM testing support instead integrates at the
virtTestRun level, so each individual test case gets repeated,
instead of the entire test suite. This means the values of
'n' are orders of magnitude smaller.
The simple usage is
$ VIR_TEST_OOM=1 ./qemuxml2argvtest
...
29) QEMU XML-2-ARGV clock-utc ... OK
Test OOM for nalloc=36 .................................... OK
30) QEMU XML-2-ARGV clock-localtime ... OK
Test OOM for nalloc=36 .................................... OK
31) QEMU XML-2-ARGV clock-france ... OK
Test OOM for nalloc=38 ...................................... OK
...
the second lines reports how many mallocs have to be failed, and thus
how many repeats of the test will be run.
If it crashes, then running under valgrind will often show the problem
$ VIR_TEST_OOM=1 ../run valgrind ./qemuxml2argvtest
When debugging problems it is also helpful to select an individual
test case
$ VIR_TEST_RANGE=30 VIR_TEST_OOM=1 ../run valgrind ./qemuxml2argvtest
When things get really tricky, it is possible to request that just
specific allocs are failed. eg to fail allocs 5 -> 12, use
$ VIR_TEST_RANGE=30 VIR_TEST_OOM=1:5-12 ../run valgrind ./qemuxml2argvtest
In the worse case, you might want to know the stack trace of the
alloc which was failed then VIR_TEST_OOM_TRACE can be set. If it
is set to 1 then it will only print if it thinks a mistake happened.
This is often not reliable, so setting it to 2 will make it print
the stack trace for every alloc that is failed.
$ VIR_TEST_OOM_TRACE=2 VIR_TEST_RANGE=30 VIR_TEST_OOM=1:5-5 ../run valgrind ./qemuxml2argvtest
30) QEMU XML-2-ARGV clock-localtime ... OK
Test OOM for nalloc=36 !virAllocN
/home/berrange/src/virt/libvirt/src/util/viralloc.c:180
virHashCreateFull
/home/berrange/src/virt/libvirt/src/util/virhash.c:144
virDomainDefParseXML
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:11745
virDomainDefParseNode
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:12646
virDomainDefParse
/home/berrange/src/virt/libvirt/src/conf/domain_conf.c:12590
testCompareXMLToArgvFiles
/home/berrange/src/virt/libvirt/tests/qemuxml2argvtest.c:106
virtTestRun
/home/berrange/src/virt/libvirt/tests/testutils.c:250
mymain
/home/berrange/src/virt/libvirt/tests/qemuxml2argvtest.c:418 (discriminator 2)
virtTestMain
/home/berrange/src/virt/libvirt/tests/testutils.c:750
??
??:0
_start
??:?
FAILED
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
At this point it has a limited functionality and is highly
experimental. Supported domain operations are:
* define
* start
* destroy
* dumpxml
* dominfo
It's only possible to have only one disk device and only one
network, which should be of type bridge.
In order to make a client-only build successful on RHEL4 (yes, you
read that correctly!), commit 3ed2e54 modified src/util/virnetdev.c so
that the functional version of virNetDevGetVLanID() was only compiled
if GET_VLAN_VID_CMD was defined. However, it is *never* defined, but
is only an enum value, so the proper version was no longer compiled
even on platforms that support it. This resulted in the vlan tag not
being properly set for guest traffic on VEPA mode guest macvtap
interfaces that were bound to a vlan interface (that's the only place
that libvirt currently uses virNetDevGetVLanID)
Since there is no way to compile conditionally based on the presence
of an enum value, this patch modifies configure.ac to check for said
enum value with AC_CHECK_DECLS(), which #defines
HAVE_DECL_GET_VLAN_VID_CMD to 1 if it's successful compiling a test
program that uses GET_VLAN_VID_CMD (and still #defines it, but to 0,
if it's not successful). We can then make the compilation of
virNetDevGetVLanID() conditional on the value of
HAVE_DECL_GET_VLAN_VID_CMD.
On Fedora 20, with wireshark-devel installed, 'make rpm' failed
due to installed but unpackaged files related to wireshark. As
F20 is already released without wireshark, I chose to add a new
sub-package that is enabled only for F21 and later. Furthermore,
all existing wireshark plugins belong to the wireshark package,
so I got to invent behavior of how the first third-party wireshark
module will behave.
* libvirt.spec.in (with_wireshark): Add new conditional.
* configure.ac (ws-plugindir): Improve wording.
Signed-off-by: Eric Blake <eblake@redhat.com>
virKModConfig() - Return a buffer containing kernel module configuration
virKModLoad() - Load a specific module into the kernel configuration
virKModUnload() - Unload a specific module from the kernel configuration
virKModIsBlacklisted() - Determine whether a module is blacklisted within
the kernel configuration
There are a number of pthreads impls available on Win32
these days, in particular the mingw64 project has a good
impl. Delete the native windows thread implementation and
rely on using pthreads everywhere.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
On Fedora 19 and older the pthreads impl provided with
mingw does not have any pthread_sigmask impl at all. The
configure.ac check was not distinguishing this scenario
from that of a broken pthread_sigmask impl, so was
mistakenly enabling the libvirt workaround even when it
was not needed. This in turn conflicted with the gnulib
provided pthread_sigmask impl.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Trying to run
$ ./configure --prefix=$HOME/usr/libvirt-git
$ make install
results in libvirt trying to install in /usr/lib/wireshark/plugins/....
with predictable amounts of fail. The configure script should not be
hardcoding /usr/lib by default but rather honour $libdir
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This is useful in certain circumstances, for example when
libvirtd is being executed by FreeBSD rc script, it cannot find
dmidecode installed from FreeBSD ports because it doesn't have
/usr/local (default prefix for ports) in PATH.
Introduce Wireshark dissector plugin which adds support to Wireshark
for dissecting libvirt RPC protocol.
Added following files to build Wireshark dissector from libvirt source
tree.
* tools/wireshark/*: Source tree of Wireshark dissector plugin.
Added followings to configure.ac or Makefile.am.
configure.ac
* --with-wireshark-dissector: Enable support for building Wireshark
dissector.
* --with-ws-plugindir: Specify wireshark plugin directory that dissector
will installed.
* Added tools/wireshark/{Makefile,src/Makefile} to AC_CONFIG_FILES.
Makefile.am
* Added tools/wireshark/ to SUBDIR.
On my Fedora 20 box with mingw cross-compiler, the build failed with:
../../src/rpc/virnetclient.c: In function 'virNetClientSetTLSSession':
../../src/rpc/virnetclient.c:745:14: error: unused variable 'oldmask' [-Werror=unused-variable]
sigset_t oldmask, blockedsigs;
^
I traced it to the fact that mingw64-winpthreads installs a header
that does #define pthread_sigmask(...) 0, which means any argument
only ever passed to pthread_sigmask is reported as unused. This
patch works around the compilation failure, with behavior no worse
than what mingw already gives us regarding the function being a
no-op.
* configure.ac (pthread_sigmask): Probe for broken mingw macro.
* src/util/virutil.h (pthread_sigmask): Rewrite to something that
avoids unused variables.
Signed-off-by: Eric Blake <eblake@redhat.com>
Make it easy to install the shipped examples. The aim is to have
reasonably working templates so that distros only need to minimally
patch these and can feed things upstream more easily.
This was prompted by http://bugs.debian.org/725144
This partially reverts 5eb4b04211 and 62774afb6b.
Rewrite the domsuspend example from scratch. This time do it right.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Old versions of CIL did not understand the 'bool' data type,
but at least 1.7.3 does now cope. We can remove the old hack
which redefined bool and no longer compiles successfully.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
