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The x509dname is only set inside a WITH_GNUTLS conditional, so
when used/check later on for NULL, Coverity detects this is not
possible. Added WITH_GNUTLS around uses to remove message
The nwfilterStateInitialize() would only assign sysbus inside
a WITH_DBUS conditional, thus leaving a subsequent check for sysbus
and nwfilterDriverInstallDBusMatches() as a no-op
Rather than try to add WITH_DBUS conditions which ended up conflicting
with the usage of HAVE_FIREWALLD conditionals, just remove the WITH_DBUS
since virdbus.c has entry points for with and without conditions.
The make inserts six spaces instead of four:
GEN access/viraccessapichecklxc.h
GEN hyperv/hyperv_wmi.generated.h
GEN access/viraccessapichecklxc.c
GEN hyperv/hyperv_wmi.generated.c
GEN hyperv/hyperv_wmi_classes.generated.typedef
GEN hyperv/hyperv_wmi_classes.generated.h
GEN hyperv/hyperv_wmi_classes.generated.c
GEN libvirt_access_qemu.xml
GEN libvirt_access.syms
GEN libvirt_access_lxc.xml
GEN libvirt_access_qemu.syms
GEN libvirt_access_lxc.syms
GEN libvirt_qemu.def
GEN esx/esx_vi_types.generated.typedef
GEN esx/esx_vi_types.generated.typeenum
GEN esx/esx_vi_types.generated.typetostring
GEN esx/esx_vi_types.generated.typefromstring
GEN esx/esx_vi_types.generated.h
GEN esx/esx_vi_types.generated.c
GEN esx/esx_vi_methods.generated.h
GEN esx/esx_vi_methods.generated.c
GEN esx/esx_vi_methods.generated.macro
GEN esx/esx_vi.generated.h
GEN esx/esx_vi.generated.c
GEN libvirt_lxc.def
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=1029732
The BZ asked for the capability to change the number of queues used by
a virtio-net device while the device is in use. Because the number of
queues can only be set at the time the device is created, that isn't
possible. However, libvirt also shouldn't be silently reporting
success when someone tries to change the number of queues. So this
patch flags that as an error (just as attempts to change any of the
other virtio-specific parameters already do).
https://bugzilla.redhat.com/show_bug.cgi?id=1033061
Currently, initialization of drivers is done in a separate thread. This
is done for several reasons: a driver that is initialized may require
running event loop, it may take ages to initialize driver (e.g. due to
autostarting domains). While the thread is spawn and run, the main()
continues its execution. However, if something goes bad, or the event
loop is just exited (e.g. due to a --timeout or SIGINT) we try to
cleanup all the drivers. So we have two threads running Initialize() and
Cleanup() concurrently. This may result in accessing stale pointers -
e.g. netcf driver will free() itself in stateCleanup callback, while the
init thread may come, open a dummy connection in order to autostart some
domains and voilà: do_open() iterates over interface drivers and
accesses stale netcf driver.
The fix consists in not running stateCleanup if the init thread is still
running.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=888635
(which was already closed as CANTFIX because the qemu "-boot strict"
commandline option wasn't available at the time).
Problem: you couldn't have a domain that used PXE to boot, but also
had an un-bootable disk device *even if that disk wasn't listed in the
boot order*, because if PXE timed out (e.g. due to the bridge
forwarding delay), the BIOS would move on to the next target, which
would be the unbootable disk device (again - even though it wasn't
given a boot order), and get stuck at a "BOOT DISK FAILURE, PRESS ANY
KEY" message until a user intervened.
The solution available since sometime around QEMU 1.5, is to add
"-boot strict=on" to *every* qemu command. When this is done, if any
devices have a boot order specified, then QEMU will *only* attempt to
boot from those devices that have an explicit boot order, ignoring the
rest.
This patch resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=1035188
Commit f094aaac48 changed the PCI device assignment in qemu domains
to default to using VFIO rather than legacy KVM device assignment
(when VFIO is available). It didn't change which driver was used by
default for virNodeDeviceDetachFlags(), though, so that API (and the
virsh nodedev-detach command) was still binding to the pci-stub
driver, used by legacy KVM assignment, by default.
This patch publicizes (only within the qemu module, though, so no
additions to the symbol exports are needed) the functions that check
for presence of KVM and VFIO device assignment, then uses those
functions to decide what to do when no driver is specified for
virNodeDeviceDetachFlags(); if the vfio driver is loaded, the device
will be bound to vfio-pci, or if legacy KVM assignment is supported on
this system, the device will be bound to pci-stub; if neither method
is available, the detach will fail.
Currently the snapshot code did not check if it actually supports
snapshots on various disk backends for domains. To avoid future problems
add checkers that whitelist the supported configurations.
This patch adds function qemuGetDriveSourceString to produce
qemu-compatible disk source strings that will enable to reuse the code
and refactors building of the qemu commandline of disks to use this new
helper.
Automatically assign secret type from the disk source definition and
pull in adding of the comma. Then update callers to keep generated
output the same.
Before this patch, the translation function still needs a second ugly
helper function to actually format the command line for qemu. But if we
do the right stuff in the translation function, we don't have to bother
with the second function any more.
This patch removes the messy qemuBuildVolumeString function and changes
qemuTranslateDiskSourcePool to set stuff up correctly so that the
regular code paths meant for volumes can be used to format the command
line correctly.
For this purpose a new helper "qemuDiskGetActualType()" is introduced to
return the type of the volume in a pool.
As a part of the refactor the qemuTranslateDiskSourcePool function is
fixed to do decisions based on the pool type instead of the volume type.
This allows to separate pool-type-specific stuff more clearly and will
ease addition of other pool types that will require certain other
operations to get the correct pool source.
The previously fixed tests should make sure that we don't break stuff
that was working before.
Though trying to destroy a physical HBA doesn't make sense at all,
it's still a bit misleading with saying "only works for HBA".
Signed-off-by: Osier Yang <jyang@redhat.com>
Based on a suggestion from Mauricio Tavares.
* tools/virsh-domain.c (cmdDetachInterface, vshFindDisk): Improve
wording.
Signed-off-by: Eric Blake <eblake@redhat.com>
Avoid a nested comment compilation error, caused by me editing
Chen's patch.
* include/libvirt/libvirt.h.in: Fix typo.
Signed-off-by: Eric Blake <eblake@redhat.com>
The virDomainGetBlockJobInfo method did not zero out the
virDomainBlockJobInfo pointer arg, so when block jobs were
not active it would return garbage for the bandwidth/cur/end
fields.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
s/causes/cause/
Each event callback has a single detail parameter, and can
thus only report a single cause. Also, make all the sub-event
documentation use similar wording.
Signed-off-by: Chen Hanxiao <chenhanxiao@cn.fujitsu.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
When doing an internal snapshot on a VM with sheepdog or RBD disks we
would not set a flag to mark the domain is using internal snapshots and
might end up creating a mixed snapshot. Move the setting of the variable
to avoid this problem.
Consider the following valid snapshot XML as the <driver> element is
allowed to be empty in the domainsnapshot.rng schema:
$ cat snap.xml
<domainsnapshot>
<disks>
<disk name='vda' snapshot='external'>
<source file='/tmp/foo'/>
<driver/>
</disk>
</disks>
</domainsnapshot>
produces the following error:
$ virsh snapshot-create domain snap.xml
error: internal error: unknown disk snapshot driver '(null)'
The driver type is parsed as NULL from the XML as the attribute is not
present and then directly used to produce the error message.
With this patch the attempt to parse the driver type is skipped if not
present to avoid changing the schema to forbid the empty driver element.
Disk source elements for snapshots were using separate code from our
config parser. As snapshots can be stored on more than just regular
files, we will need the universal parser to allow us to expose a variety
of snapshot disk targets. This patch reuses the config parsers and
formatters to do the job.
This initial support only changes the code without any visible XML
change.
Avoid if statements when used with virBufferEscapeString which
automaticaly omits the whole string. Also add some line breaks to
visualy separate the code.
The <source> element formatting function was expecting a
virDomainDiskDefPtr to store the data. As snapshots are not using this
data structure to hold the data, we need to add an internal function
which splits out individual fields separately.
To support testing of "volume" disk backing, we need to implement a few
disk driver backend functions.
The fake storage driver uses files in storagepoolxml2xmlout/POOLNAME.xml
as XML files for pool definitions and volume names are in format
"VOL_TYPE+VOL_PATH". By default type "block" is assumed (for iSCSI test
compatibility).
The choice of this approach along with implemented functions was made so
that <disk type='volume'> can be tested in the xml2argv test.
The original code ignored errors of virDomainHostdevDefAlloc,
however, we should properly do error return from the function
if it occurs.
The fix pulls out virDomainHostdevDefAlloc from the loop and
executes it all together before the loop. So we can easily
return on errors without the notion of other memory allocations
in the loop.
The deallocation code is separated from the allocation code
because it will be used by a further patch for fixing other error
handlings.
Reported-by: Laine Stump <laine@laine.org>
Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com>
The fixed loop used logical OR to combine two conditions, however,
it is apparently incorrect and logical AND is correct.
We can fix it by replacing OR with AND, but this patch instead
fixes the problem by getting rid of the first conditional
statement: USBFilterCount < def->nhostdevs. It isn't needed
because USBFilterCount will never be greater than or equal to
def->nhostdevs.
def->nhostdevs is calculated in the following code
above the loop in question like this:
for (i = 0; i < deviceFilters.count; i++) {
PRBool active = PR_FALSE;
IUSBDeviceFilter *deviceFilter = deviceFilters.items[i];
deviceFilter->vtbl->GetActive(deviceFilter, &active);
if (active) {
def->nhostdevs++;
}
}
And the loop is constructed as like this:
for (i = 0; (USBFilterCount < def->nhostdevs) || (i < deviceFilters.count); i++) {
PRBool active = PR_FALSE;
(snip)
deviceFilter->vtbl->GetActive(deviceFilter, &active);
if (!active)
continue;
(snip)
USBFilterCount++;
}
So def->nhostdevs is the number of active device filters and
USBFilterCount is counted up only when a device filter is active.
Thus, we can remove USBFilterCount < def->nhostdevs safely.
Reported-by: Laine Stump <laine@laine.org>
Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com>
Add a link to the http://sandbox.libvirt.org sub-site from the
list of libraries related to libvirt. Also fix formatting for
the ruby libvirt binding.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Adds a new page to the website "Deployment" section describing
what data is sent to the audit logs and how to configure libvirtd
audit settings.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
While running nwfilterxml2xmltest, it was found that valgrind pointed out the
following error...
==7466== 16 bytes in 1 blocks are definitely lost in loss record 26 of 90
==7466== at 0x4A06B6F: calloc (vg_replace_malloc.c:593)
==7466== by 0x4C651AD: virAlloc (viralloc.c:142)
==7466== by 0x4D0450D: virNWFilterDefParseNode (nwfilter_conf.c:2575)
==7466== by 0x4D05D84: virNWFilterDefParse (nwfilter_conf.c:2647)
==7466== by 0x401FDE: testCompareXMLToXMLHelper (nwfilterxml2xmltest.c:39)
==7466== by 0x402DE1: virtTestRun (testutils.c:138)
==7466== by 0x4018E9: mymain (nwfilterxml2xmltest.c:111)
==7466== by 0x403482: virtTestMain (testutils.c:593)
==7466== by 0x341F421A04: (below main) (libc-start.c:225)
...21 times, which are related to 21 tests in nwfilterxml2xmltest.c which sent
EXPECT_WARN = false. There were two scenarios in virNWFilterDefParseXML(),
when the variable 'entry' was malloc'ed, but not freed.
This patch fixes the memory leaks found while running qemuxml2argvtest
==8260== 3 bytes in 1 blocks are definitely lost in loss record 1 of
129
==8260== at 0x4A0887C: malloc (vg_replace_malloc.c:270)
==8260== by 0x341F485E21: strdup (strdup.c:42)
==8260== by 0x4CADCFF: virStrdup (virstring.c:554)
==8260== by 0x4CBB839: virXPathString (virxml.c:90)
==8260== by 0x4CE753A: virDomainDefParseXML (domain_conf.c:11478)
==8260== by 0x4CEB4FE: virDomainDefParseNode (domain_conf.c:12742)
==8260== by 0x4CEB675: virDomainDefParse (domain_conf.c:12684)
==8260== by 0x425958: testCompareXMLToArgvHelper (qemuxml2argvtest.c:107)
==8260== by 0x427111: virtTestRun (testutils.c:138)
==8260== by 0x41D3FE: mymain (qemuxml2argvtest.c:452)
==8260== by 0x4277B2: virtTestMain (testutils.c:593)
==8260== by 0x341F421A04: (below main) (libc-start.c:225)
==8260==
==8260== 4 bytes in 1 blocks are definitely lost in loss record 5 of
129
==8260== at 0x4A0887C: malloc (vg_replace_malloc.c:270)
==8260== by 0x341F485E21: strdup (strdup.c:42)
==8260== by 0x4CADCFF: virStrdup (virstring.c:554)
==8260== by 0x4CBB839: virXPathString (virxml.c:90)
==8260== by 0x4CE753A: virDomainDefParseXML (domain_conf.c:11478)
==8260== by 0x4CEB4FE: virDomainDefParseNode (domain_conf.c:12742)
==8260== by 0x4CEB675: virDomainDefParse (domain_conf.c:12684)
==8260== by 0x425958: testCompareXMLToArgvHelper (qemuxml2argvtest.c:107)
==8260== by 0x427111: virtTestRun (testutils.c:138)
==8260== by 0x41D39A: mymain (qemuxml2argvtest.c:451)
==8260== by 0x4277B2: virtTestMain (testutils.c:593)
==8260== by 0x341F421A04: (below main) (libc-start.c:225)
==8260==
