WmiClass: Don't share "versions" between instances
Lists in Python are mutable and when used as a default value of a
parameter for class constructor, its value will be shared between
all class instances.
Example:
class Test:
def __init__(self, mylist=[]):
self.mylist = mylist
A = Test()
B = Test()
A.mylist.append("mylist from instance A")
print(B.mylist) # Will print ['mylist from instance A']
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
The generate_helper_source() function returns a formatted string.
This could be achieved without the use of a local variable "source"
and string concatenation.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
PEP8 recommends removing whitespace immediately before a comma,
semicolon, or colon [1]. In addition remove multiple spaces after
keyword (PEP8 - E271).
Jiri Denemark [Mon, 19 Mar 2018 17:14:52 +0000 (18:14 +0100)]
qemu: Don't assign alias to disabled balloon device
<memballoon model='none'/> is the only way to disable balloon driver
since libvirt will add one automatically if the memballoon element is
missing. In other words, there's no balloon device if model is 'none'
and generating an alias for it makes no sense. The alias will be ignored
when parsing the XML and it will disappear once libvirtd is restarted.
gnulib: switch to use https:// instead of git:// protocol
Some contributors are behind obnoxious firewalls that block everything
except http(s) traffic, preventing checkout of modules using the git://
protocol. Since git.savannah.gnu.org is using the modern, fast HTTP
transport, there's no real downside to using that by default.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
In a recent change b932ed69: "virt-aa-helper: resolve yet to be created
paths" several cases with symlinks in paths were fixed, but it regressed
cases where the file being last element of the path was the actual link.
In the case of the last element being the symlink realpath can (and shall)
be called on the full path that was passed.
Examples would be zfs/lvm block devices like:
<disk type='block' device='disk'>
<driver name='qemu' type='raw'/>
<source dev='/dev/mapper/testlvm-testvol1'/>
<target dev='vdd' bus='virtio'/>
</disk>
With the target being:
/dev/mapper/testlvm-testvol1 -> ../dm-0
That currently is rendered as
"/dev/mapper/testlvm-testvol1" rwk,
but instead should be (and is with the fix):
"/dev/dm-0" rwk,
Fixes: b932ed69: "virt-aa-helper: resolve yet to be created paths" Fixes: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1756394 Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
tools: fix variable scope in in check_guests_shutdown
libvirt-guests.sh when run with more active guests than requested to
shut down in parallel will run until it times out only shutting down
the first set of guests.
This patch fixes parallel shutdown by fixing a variable scope issue
where check_guests_shutdown unintentionally reset $guests which
prevented further progress.
Fixes: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1688508 Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Andrea Bolognani [Thu, 15 Mar 2018 16:56:34 +0000 (17:56 +0100)]
python: Drop explicit version where possible
Some of our scripts are known to work both with Python 2 and
Python 3, so for them we shouldn't be forcing any specific
version of the interpreter when they're called directly; we
always use $(PYTHON) explicitly in our build rules anyway.
Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Erik Skultety [Thu, 15 Mar 2018 13:58:22 +0000 (14:58 +0100)]
qemu: hostdev: Fix the error on VM start with an mdev when IOMMU is off
Commit b4c2ac8d56 made a false assumption that IOMMU support necessary
for an mdev device to be assigned to a VM. Unlike direct PCI assignment,
IOMMU support is not needed for mediated devices, as the physical parent
device provides the isolation, therefore, simply checking for VFIO
presence is enough to successfully start a VM.
Luckily, this issue is not serious, since as of yet, libvirt mandates
mdevs to be pre-created prior to a domain's launch - if it is,
everything does work smoothly even with IOMMU disabled, because the
parent device will ensure the iommu groups we try to access exist.
However, if there are *no* IOMMU groups yet, thus no mdev exists yet, one
would see the following error:
The error msg above is simply wrong and doesn't even reflect the IOMMU
reality, so after applying this patch one would rather see the following
error in such case instead:
"device not found: mediated device '<UUID>' not found"
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Erik Skultety [Fri, 16 Mar 2018 09:06:04 +0000 (10:06 +0100)]
util: mdev: Improve the error msg on non-existent mdev prior to VM start
What one currently gets is:
failed to read '/sys/bus/mdev/devices/<UUID>/mdev_type/device_api': No
such file or directory
This indicates that something is missing within the device's sysfs tree
which likely might be not be the case here because the device simply
doesn't exist yet. So, when creating our internal mdev obj, let's check
whether the device exists first prior to trying to verify the
user-provided model within domain XML.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Michal Privoznik [Mon, 19 Mar 2018 06:39:08 +0000 (07:39 +0100)]
virNetlinkDumpCommand: Don't leak response buffer
==16451== 32,768 bytes in 2 blocks are definitely lost in loss record 1,007 of 1,013
==16451== at 0x4C2AF0F: malloc (vg_replace_malloc.c:299)
==16451== by 0x7CADB40: nl_recv (in /usr/lib64/libnl-3.so.200.23.0)
==16451== by 0x532DFAC: virNetlinkDumpCommand (virnetlink.c:363)
==16451== by 0x53236AE: virNetDevIPCheckIPv6Forwarding (virnetdevip.c:641)
==16451== by 0xE3E4A1A: networkStartNetworkVirtual (bridge_driver.c:2490)
==16451== by 0xE3E55F5: networkStartNetwork (bridge_driver.c:2832)
==16451== by 0xE3DFFE5: networkAutostartConfig (bridge_driver.c:531)
==16451== by 0x53F47E0: virNetworkObjListForEachHelper (virnetworkobj.c:1412)
==16451== by 0x52FE69F: virHashForEach (virhash.c:606)
==16451== by 0x53F4857: virNetworkObjListForEach (virnetworkobj.c:1439)
==16451== by 0xE3E0BF4: networkStateAutoStart (bridge_driver.c:808)
==16451== by 0x55689CE: virStateInitialize (libvirt.c:758)
Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Erik Skultety <eskultet@redhat.com>
Andrea Bolognani [Thu, 15 Mar 2018 16:53:13 +0000 (17:53 +0100)]
docs: Import print_function in reformat-news.py
The script already works perfectly fine with Python 2, but that's
more by chance than by design: we have a single occurrence of
print(), and it just so happens that its only argument is an
expression. Importing print_function makes the script more future,
err, past proof.
Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Jim Fehlig [Tue, 13 Mar 2018 16:48:28 +0000 (10:48 -0600)]
libxl: MigratePrepare: use standard begin and end API pattern
libxlDomainMigrationPrepare adds the incoming domain def to the list
of domains via virDomainObjListAdd, but never adds its own ref to the
returned virDomainObj as other callers of virDomainObjListAdd do.
libxlDomainMigrationPrepareTunnel3 suffers the same discrepancy.
Change both to add a ref to the virDomainObj after a successful
virDomainObjListAdd, similar to other callers. This ensures a consistent
pattern throughout the drivers and allows using the virDomainObjEndAPI
function for cleanup.
Signed-off-by: Jim Fehlig <jfehlig@suse.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
John Ferlan [Fri, 9 Mar 2018 16:48:00 +0000 (11:48 -0500)]
libxl: Use virDomainObjListFindBy{UUID|ID}Ref
For libxlDomainLookupByID and libxlDomainLookupByUUID let's
return a locked and referenced @vm object so that callers can
then use the common and more consistent virDomainObjEndAPI in
order to handle cleanup rather than needing to know that the
returned object is locked and calling virObjectUnlock.
The LookupByName already returns the ref counted and locked object,
so this will make things more consistent.
Signed-off-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Jim Fehlig <jfehlig@suse.com>
John Ferlan [Fri, 9 Mar 2018 16:47:59 +0000 (11:47 -0500)]
libxl: Properly cleanup after libxlDomObjFromDomain
Commit id '9ac945078' altered libxlDomObjFromDomain to return
a locked *and* ref counted object for some specific purposes;
however, it neglected to alter all the consumers of the helper
to use virDomainObjEndAPI thus leaving many objects with extra
ref counts.
Signed-off-by: John Ferlan <jferlan@redhat.com> Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Cole Robinson [Fri, 16 Mar 2018 17:49:58 +0000 (13:49 -0400)]
apibuild: Fix -refs.xml building
Another usage of deprecated 'string' functions. We are just trying to
match ascii letters here, so use a simple regex. And again drop the
aggressive exception handling, it doesn't seem to trigger for anything
in libvirt code.
Cole Robinson [Fri, 16 Mar 2018 17:47:36 +0000 (13:47 -0400)]
apibuild: Fix errors on python3
Module 'string' function lower doesn't exist in python3. The canonical
way is to call .lower() on a str instance. Do that, and make the
exception handling more specific, which would have made this issue
obvious.
Jim Fehlig [Tue, 13 Mar 2018 17:05:36 +0000 (11:05 -0600)]
libxl: MigratePerform: properly cleanup after libxlDomObjFromDomain
libxlDomObjFromDomain to returns locked and ref counted virDomainObj but
libxlDomainMigratePerform3Params only unlocks the object on exit. Convert
it to use the virDomainObjEndAPI function for cleanup.
Signed-off-by: Jim Fehlig <jfehlig@suse.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Jim Fehlig [Mon, 12 Mar 2018 18:22:34 +0000 (12:22 -0600)]
libxl: MigrateConfirm: Dont unlock virDomainObj in helper function
The libxlDomainMigrateConfirm3Params API locks and ref counts the associated
virDomainObj but relies on the helper function libxlDomainMigrationConfirm
to unlock the object. Unref'ing the object is not done in either function.
libxlDomainMigrationConfirm is also used by libxlDomainMigratePerform3Params
for p2p migration, but in that case the lock/ref and unref/unlock are
properly handled in the API entry point.
Remove the unlock from libxlDomainMigrationConfirm and adjust
libxlDomainMigrateConfirm3Params to properly unref/unlock the virDomainObj
on success and error paths.
Signed-off-by: Jim Fehlig <jfehlig@suse.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Jim Fehlig [Mon, 12 Mar 2018 17:51:43 +0000 (11:51 -0600)]
libxl: MigrateBegin: Dont call EndAPI in helper function
The libxlDomainMigrateBegin3Params API locks and ref counts the associated
virDomainObj but relies on the helper function libxlDomainMigrationBegin
to unref/unlock the object. libxlDomainMigrationBegin is also used by
libxlDomainMigratePerform3Params for p2p migration, but in that case the
lock/ref and unref/unlock are properly handled in the API entry point. So
p2p migrations suffer a double unref/unlock in the Perform API.
Remove the unref/unlock (virDomainObjEndAPI) from libxlDomainMigrationBegin
and adjust libxlDomainMigrateBegin3Params to properly unref/unlock
the virDomainObj on success and error paths.
Signed-off-by: Jim Fehlig <jfehlig@suse.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Fedora requires packages to depend on "python2" RPM, not the unversioned
"python" name. Fortunately even though RHEL-6 ships a "python" RPM, it
has a virtual Provides for the "python2" name, so we don't need to
conditionalize this.
Reviewed-by: Andrea Bolognani <abologna@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When building command line for USB controllers we have to do more
than just put controller's alias onto the command line. QEMU has
concept of these joined USB controllers. For instance ehci and
uhci controllers need to create the same USB bus. To achieve that
the slave controller needs to refer the master controller. This
worked until we've introduced user aliases because both master
and slave had the same alias. With user aliases slave can have
different alias than master. Therefore, when generating command
line for slave we need to look up the master's alias.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Farhan Ali [Thu, 8 Mar 2018 16:07:04 +0000 (11:07 -0500)]
qemu: Use correct bus type for input devices
commit 7210cef452db 'qemu: build command line for virtio input devices'
introduced an error, by checking if input bus type is
VIR_DOMAIN_DISK_BUS_VIRTIO.
Fix it by using the correct bus type for input devices.
Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Farhan Ali [Thu, 8 Mar 2018 16:07:01 +0000 (11:07 -0500)]
qemu: Fix comment for 'qemuValidateDevicePCISlotsChipsets'
Commit id '177db487' renamed 'qemuValidateDevicePCISlotsChipsets' to
'qemuDomainValidateDevicePCISlotsChipsets', but didn't adjust comment.
Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Marc Hartmayer [Thu, 8 Mar 2018 12:20:39 +0000 (13:20 +0100)]
remote: Set eventID explicitly to an invalid value
Set the eventID for remoteRelayDomainQemuMonitorEvent explicitly to an
invalid value. Although the value is not used by
remoteRelayDomainQemuMonitorEvent, but it might be less prone to
errors for further refactorings.
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com> Reviewed-by: Bjoern Walk <bwalk@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Marc Hartmayer [Thu, 8 Mar 2018 12:20:38 +0000 (13:20 +0100)]
stream: Access stream->prog instead of a hard-coded global variable
Use stream->prog instead of a hard-coded "remoteProgram" since at
stream creation in daemonCreateClientStream "remoteProgram" is used
so we should use that especially since these functions are intended
as generic helpers for streams.
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com> Reviewed-by: Bjoern Walk <bwalk@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Marc Hartmayer [Thu, 8 Mar 2018 12:20:37 +0000 (13:20 +0100)]
remote: remove unneeded global variables
Remove unneeded global variables and convert them into local variables
where they're needed.
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com> Reviewed-by: Bjoern Walk <bwalk@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Marc Hartmayer [Thu, 8 Mar 2018 12:20:35 +0000 (13:20 +0100)]
test: fix error path in testConnectOpen
In case of an error do the cleanup of the private data of the
connection.
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Marc Hartmayer [Thu, 8 Mar 2018 12:20:34 +0000 (13:20 +0100)]
test: introduce testDriverCloseInternal
Refactor testConnectClose as it's then obvious that conn->privateData
is set to NULL in all cases. In addition, 'testConnectCloseInternal'
can be better reused.
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Marc Hartmayer [Thu, 8 Mar 2018 12:20:33 +0000 (13:20 +0100)]
test: rename defaultConn to defaultPrivconn
Rename the variable @defaultConn to @defaultPrivconn as it doesn't
point to a default connection but to the private data used for the
shared default connection of the test driver.
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Marc Hartmayer [Thu, 8 Mar 2018 12:20:32 +0000 (13:20 +0100)]
test: testConnectClose: Set privateData to NULL in all cases
Set privateData to NULL also for a connection that uses @defaultConn
as privateData regardless of whether @defaultConn was freed or
not. @defaultConn is shared between multiple connections and it's
ensured that there will be no memory leak by counting references.
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Marc Hartmayer [Thu, 8 Mar 2018 12:20:31 +0000 (13:20 +0100)]
test: testConnectAuthenticate: Take the lock when accessing mutable values
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Marc Hartmayer [Thu, 8 Mar 2018 12:20:30 +0000 (13:20 +0100)]
test: testOpenFromFile: return VIR_DRV_OPEN_SUCCESS in case of success
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Marc Hartmayer [Thu, 8 Mar 2018 12:20:29 +0000 (13:20 +0100)]
test: testOpenDefault: introduce cleanup path
The two code paths have some cleanup in common so lets refactor it.
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
Marc Hartmayer [Thu, 8 Mar 2018 12:20:24 +0000 (13:20 +0100)]
driver: Add typedef for the anonymous enum used for driver features
Add typedef for the anonymous enum used for the driver features. This
allows the usage of the type in a switch statement and taking
advantage of the compilers feature to detect uncovered cases.
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com> Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
John Ferlan [Mon, 12 Mar 2018 20:14:56 +0000 (16:14 -0400)]
virsh: Fix man page argument ordering for vol-{path|name|key} commands
The proper command order is 'virsh vol-path volume pool', or
'virsh vol-name volume pool', or 'virsh vol-key volume'. While
making the modification clean up the description a bit too in order
to help clarify under what circumstances the volume could be found
if the pool name was not provided.
John Ferlan [Mon, 12 Mar 2018 20:08:11 +0000 (16:08 -0400)]
virsh: Fix man page argument ordering for vol-info command
The proper command order is 'virsh vol-info volume pool'. While
making the modification clean up the description a bit too in order
to help clarify under what circumstances the volume could be found
if the pool name was not provided.
John Ferlan [Mon, 12 Mar 2018 19:45:28 +0000 (15:45 -0400)]
virsh: Fix man page argument ordering for vol-dumpxml command
The proper command order is 'virsh vol-dumpxml volume pool'. While
making the modification clean up the description a bit too in order
to help clarify under what circumstances the volume could be found
if the pool name was not provided.
John Ferlan [Mon, 12 Mar 2018 17:14:18 +0000 (13:14 -0400)]
virsh: Fix man page argument ordering for vol-wipe command
The proper command order is 'virsh vol-wipe volume pool algorithm'. While
making the modification clean up the description a bit too in order
to help clarify under what circumstances the volume could be found
if the pool name was not provided.
John Ferlan [Mon, 12 Mar 2018 19:18:06 +0000 (15:18 -0400)]
virsh: Fix man page argument ordering for vol-download command
The proper command order is 'virsh vol-download volume file pool'. While
making the modification clean up the description a bit too in order
to help clarify under what circumstances the volume could be found
if the pool name was not provided.
John Ferlan [Mon, 12 Mar 2018 19:12:23 +0000 (15:12 -0400)]
virsh: Fix man page argument ordering for vol-upload command
The proper command order is 'virsh vol-upload volume file pool'. While
making the modification clean up the description a bit too in order
to help clarify under what circumstances the volume could be found
if the pool name was not provided.
John Ferlan [Mon, 12 Mar 2018 15:26:24 +0000 (11:26 -0400)]
virsh: Fix man page argument ordering for vol-delete command
The proper command order is 'virsh vol-delete volume pool'. While
making the modification clean up the description a bit too in order
to help clarify under what circumstances the volume could be found
if the pool name was not provided.
John Ferlan [Mon, 12 Mar 2018 16:59:14 +0000 (12:59 -0400)]
virsh: Fix man page argument ordering for vol-clone command
The proper command order is 'virsh vol-clone source-vol target-vol pool'.
While making the modification clean up the description a bit too in
order to help clarify under what circumstances the source-vol could be
found if the pool name was not provided.
John Ferlan [Mon, 12 Mar 2018 20:01:48 +0000 (16:01 -0400)]
virsh: Clean up formatting of the vol-create* commands
Clean up the formatting to make the output a bit more readable at
least with respect to not having one paragraph of output. Each
option will start on its own line.
Andrea Bolognani [Thu, 15 Mar 2018 09:51:57 +0000 (10:51 +0100)]
python3: Replace keys() + sort() with sorted()
The keys() method no longer returns a list, so converting the
return value would be necessary before calling sort() on it;
alternatively, we can just call sorted(), which returns a
sorted list.
Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
travis: unlink python package before upgrading brew packages
The 'brew upgrade' command is pulling in the python2 package which
promptly fails due to clashing symlinks installed by the new python
package (which is python3 based):
==> Pouring python@2-2.7.14_3.sierra.bottle.tar.gz
Error: The `brew link` step did not complete successfully
The formula built, but is not symlinked into /usr/local
Could not symlink bin/2to3-2
Target /usr/local/bin/2to3-2
is a symlink belonging to python. You can unlink it:
brew unlink python
To force the link and overwrite all conflicting files:
brew link --overwrite python@2
To list all files that would be deleted:
brew link --overwrite --dry-run python@2
By running 'brew unlink python' we can get rid of the python3 links that
we didn't want in the first place and avoid this error.
This is the working fix for what we previously attempted todo in:
travis: move macOS before_install tasks into osx matrix entry
The list of commands we're running for the before_install task
is rather large. We have it all on one line because we're
wrapping it all in a test against TRAVIS_OS_NAME env variable.
By moving it into the osx matrix entry we can remove the need
for the conditional shell test. This lets us put each command
on a separate line making the steps clear to understand.
Fortunately the 'before_install' task does not have the crazy
behaviour whereby travis ignores errors and runs all commands
regardless, like the 'script' task does. The first command
failing will cause an immediate stop with error status.
Reviewed-by: Andrea Bolognani <abologna@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Michal Privoznik [Thu, 15 Mar 2018 12:27:55 +0000 (13:27 +0100)]
virarptable: Include rtnetlink.h only on Linux
And at the same time, do that from .c rather than .h file.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Chen Hanxiao<chenhanxiao@gmail.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Michal Privoznik [Thu, 15 Mar 2018 12:46:48 +0000 (13:46 +0100)]
src: Don't add virarptable.c to setuid library
The setuid-rpc-client.la is intended to be small and contain only
bare minimum of source files. virarptable.c is not one of them.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Chen Hanxiao<chenhanxiao@gmail.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Peter Krempa [Tue, 13 Mar 2018 17:19:39 +0000 (18:19 +0100)]
qemu: hotplug: Clean up memory backing files after failed memory hotplug
Libvirt provides full path to the backing file since commit fec8f9c49afb479f6. This made qemu create the backend object but did not
delete it. This was fixed for unplug case in 4d83a6722f but not in case
of failure to hotplug the frontend. We'd leave the files behind which
would make memory unusable in case of hugepages.
Jiri Denemark [Tue, 13 Mar 2018 14:50:41 +0000 (15:50 +0100)]
qemu: Switch context for job related private XML parsing
Having to repeat "./job[1]/" XPath prefix for every single element or
attribute we want to parse is suboptimal. And even more so once we
further extract code from qemuDomainObjPrivateXMLParseJob into separate
functions.
Michal Privoznik [Mon, 12 Mar 2018 09:18:05 +0000 (10:18 +0100)]
daemonStreamHandleWriteData: Preserve error when aborting stream
The daemonStreamHandleWriteData() function is called whenever
server side of stream is able to receive some data. Nevertheless,
it calls virStreamSend() (to pass data down to virFDStream) and
depending on its return value it may abort the stream. However,
the functions it called when doing so are public APIs and as such
reset any error set previously. Therefore, if there was any error
in writing data to stream (i.e. repored in virStreamSend) it is
reset before virNetServerProgramSendReplyError() can get to it.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Michal Privoznik [Tue, 13 Mar 2018 15:03:13 +0000 (16:03 +0100)]
virsysinfo: Use more virSkipSpacesBackwards()
Some fields reported by dmidecode have plenty of useless spaces
(in fact some have nothing but spaces). To deal with this we have
introduced virSkipSpacesBackwards() and use it in
virSysinfoParseX86Processor() and virSysinfoParseX86Memory().
However, other functions (e.g. virSysinfoParseX86Chassis()) don't
use it at all and thus we are reporting nonsense:
Andrea Bolognani [Wed, 14 Mar 2018 14:40:07 +0000 (15:40 +0100)]
m4: Fix xenstore detection
Commit 596fc3e3897e introduced the ability to detect xenstore
using pkg-config for systems with Xen 4.9, but accidentally broke
detection for all other systems. Fix the logic so that it works
in all cases.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
qemu: avoid denial of service reading from QEMU guest agent (CVE-2018-1064)
We read from the agent until seeing a \r\n pair to indicate a completed
reply or event. To avoid memory denial-of-service though, we must have a
size limit on amount of data we buffer. 10 MB is large enough that it
ought to cope with normal agent replies, and small enough that we're not
consuming unreasonable mem.
This is identical to the flaw we had reading from the QEMU monitor
as CVE-2018-5748, so rather embarrassing that we forgot to fix
the agent code at the same time.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Peter Krempa [Thu, 8 Mar 2018 16:32:15 +0000 (17:32 +0100)]
conf: Parse and validate disk source seclabels together with the source
Since seclabels are formatted along with the source element and will
also make sense to be passed for the backing chain we should parse them
in the place where we parse the disk source. Same applies for
validation.
Peter Krempa [Thu, 8 Mar 2018 16:23:46 +0000 (17:23 +0100)]
conf: Validate disk source configuration also for the backing store
Since we already parse the <backingStore> of a disk source, we should
also validate the configuration for the whole backing chain and not only
for the top level image.
Peter Krempa [Mon, 5 Mar 2018 14:13:41 +0000 (15:13 +0100)]
conf: disk: Separate virStorageSource formatting
Move out formatting of 'startuPolicy' which is a property of the disk
out of the <source> element. Extracting the code formating the content
and attributes will also allow reuse in other parts of the code.