The interface allows qemudMonitorSendCont() to report errors that are
not overridden by its callers.
Also fix a potential infinite loop in qemuDomainCoreDump() if sending
cont repeatedly fails.
* src/qemu_driver.c (qemudMonitorSendCont): New function.
(qemudAutostartConfigs): Reset error before each call to
qemudStartVMDaemon().
(qemudInitCpus, qemudDomainResume, qemudDomainCoreDump,
qemudDomainRestore, qemudDomainMigratePerform,
qemudDomainMigrateFinish2): Use qemudMonitorSendCont().
Cleanup sec driver error reporting to use virReportSystemError
* src/security_selinux.c: Use virReportSystemError whereever an
errno is involved
* src/qemu_driver.c: Don't overwrite error message from the
security driver
* src/security.h: Driver API for relabelling host devices
* src/security_selinux.c: Implement relabelling of PCI and USB
devices
* src/qemu_driver.c: Relabel USB/PCI devices before hotplug
Fix all thread locking bugs reported by object-locking test
case.
NB, some of the driver locking is getting too coarse. Driver
mutexes really need to be turned into RW locks instead to
significantly increase concurrency.
* src/lxc_driver.c: Fix useof driver when unlocked in the methods
lxcDomainGetInfo, lxcSetSchedulerParameters, and
lxcGetSchedulerParameters
* src/opennebula/one_driver.c: Fix missing unlock in oneDomainUndefine.
Fix use of driver when unlocked in oneDomainGetInfo,
oneGetOSType, oneDomainShutdown
* src/qemu_driver.c: Fix use of driver when unlocked in
qemudDomainSavem, qemuGetSchedulerType, qemuSetSchedulerParameters
and qemuGetSchedulerParameters
* src/storage_driver.c: Re-work storagePoolCreate to avoid bogus
lock checking warning. Re-work storageVolumeCreateXMLFrom to
remove a potential NULL de-reference & avoid bogus lock check
warnings
* src/test.c: Remove testDomainAssignDef since it break lock chekc
warnings.
* tests/object-locking.ml: Add oneDriverLock, oneDriverUnlock
and one_driver_t methods/types to allow lock checking on the
OpenNebula drivers
Mark McLoughlin [Thu, 10 Sep 2009 10:22:32 +0000 (11:22 +0100)]
Test that domain-specific qemu machine types are used correctly
* tests/testutilsqemu.c: add a machine types list for /usr/bin/kvm
which doesn't have any aliases, while the guest has aliases
* tests/qemuxml2argvdata/qemuxml2argv-machine-aliases2.*,
tests/qemuxml2argvtest.c: add a test using /usr/bin/kvm and make
sure that 'pc' machine type doesn't get canonicalized using the
aliases in the guest machine type list
Mark McLoughlin [Thu, 10 Sep 2009 11:19:33 +0000 (12:19 +0100)]
Simplify and fix qemudCanonicalizeMachine()
The algorithm is quite simple:
If the emulator matches a guest's domain:
if domain has machine type info:
check the domain's machine type info
else
check the guest's default machine type info
else if the emulator matches the guest's default emulator:
check the guest's default machine type info
The previous implementation was incorrectly falling back to the default
machine type info if the domain's machine type info didn't have an
alias.
* src/qemu_driver.c: simplify and fix qemudCanonicalizeMachine()
Mark McLoughlin [Thu, 10 Sep 2009 10:19:12 +0000 (11:19 +0100)]
Test qemu machine aliases
* tests/testutilsqemu.c: make 'pc' an alias for qemu-system-x86_64
* tests/qemuxml2argvdata/qemuxml2argv-machine-aliases1.*,
tests/qemuxml2argvtest.c: add a test which uses qemu-system-x86_64
and make sure the machine type is canonicalized.
Mark McLoughlin [Thu, 10 Sep 2009 08:52:46 +0000 (09:52 +0100)]
Add a more featureful qemu capabilities test data
Things added include
- x86_64 host
- Migration features
- NUMA topology
- Security model
- Canonical machine types
- Domain machine types
- An arm guest
- More machine types for mips, mipsel, sparc and ppc
- An x86_64 xenner guest
This file was generated on a Fedora 12 machine using latest libvirt
and qemu-kvm-0.11.0-rc2
* tests/capabilityschemadata/caps-qemu-kvm.xml: add more features
to test
Chris Lalancette [Thu, 10 Sep 2009 09:36:35 +0000 (11:36 +0200)]
Fix regression from "Avoid polling on FDs with no events"
After the mentioned patch was applied, I noticed that
shutting down a kvm guest from inside (i.e. poweroff) caused
the guest to shutdown, but not removed from the list of
active guests. DanB pointed out that the problem is that
the virEventAddHandle() call in the qemu driver was asking
to watch for 0 events, not HANGUP | ERROR as it should. Add
these events so that shutdown works again.
Signed-off-by: Chris Lalancette <clalance@redhat.com>
Charles Duffy [Thu, 10 Sep 2009 09:13:33 +0000 (11:13 +0200)]
Reintroduce support for lzop compression
lzop was removed due to some confusion over whether it provided functional
advantages distinct from xz. This has been addressed in the mailing list post
archived at http://permalink.gmane.org/gmane.comp.emulators.libvirt/16487, and
support for lzop is re-added here.
* libvirt.spec.in: add dependancy on lzop
* src/qemu.conf: update documentation of save_image_format
* src/qemu_driver.c: re-add lzop compression option
Daniel Veillard [Wed, 9 Sep 2009 14:44:44 +0000 (16:44 +0200)]
Deprecate lzma and lzop in favor of xz, add dep
* src/qemu_driver.c: drop lzma and lzop images compression options
as they are deprecated by xz
* libvirt.spec.in: add requires for xz/bzip2/gzip as they are needed
to implement the compression options
* configure.in: phyp driver uses libssh2_session_block_directions()
which is only available in libssh2 >= 1.0, so check for this symbol
too when configuring
Jim Meyering [Wed, 9 Sep 2009 08:10:38 +0000 (10:10 +0200)]
qemu_driver.c: factor out duplication in compression-type handling
* src/qemu_driver.c (QEMUD_SAVE_FORMAT_LAST): Define.
(qemudSaveCompressionTypeFromString): Declare.
(qemudSaveCompressionTypeToString): Declare.
(qemudDomainSave): Use those functions rather than open-coding them.
Use "cat >> '%s' ..." in place of equivalent
"dd of='%s' oflag=append conv=notrunc ...".
Jim Meyering [Tue, 8 Sep 2009 18:52:37 +0000 (20:52 +0200)]
also allow use of XZ for Qemu image compression
* src/qemu_driver.c (enum qemud_save_formats) [QEMUD_SAVE_FORMAT_XZ]:
New member.
[QEMUD_SAVE_FORMAT_LZMA]: Mark as deprecated.
Use an explicit value for each member.
(qemudDomainSave, qemudDomainRestore): Handle the new member.
* src/qemu.conf: Mention xz, too.
Dave Allan [Tue, 8 Sep 2009 13:47:45 +0000 (15:47 +0200)]
Multipath storage support module
* configure.in src/Makefile.am src/storage_backend.[ch]
src/storage_conf.[ch] src/storage_backend_mpath.[ch] po/POTFILES.in:
add a new module for storage multipath, it requires device-mapper
Jim Meyering [Mon, 7 Sep 2009 08:09:20 +0000 (10:09 +0200)]
xm_internal.c: remove four useless comparisons after strchr
* src/xm_internal.c (xenXMDomainConfigParse): After t=strchr...
don't test *t; it's known. This was *not* detected by clang,
but I spotted it since once instance was in the vicinity of the
dead increment of "data".
VBox fix minor bugs in display and added OOM checks
* src/vbox/vbox_tmpl.c: minor bug in selecting the graphics type. if the
graphics type was desktop it was assumed that display is set for it,
and thus crashed on strdup. Also adds a number of missing OOM checks.
Jim Meyering [Fri, 4 Sep 2009 14:12:35 +0000 (16:12 +0200)]
lxc_container.c: avoid a leak on error paths
* src/lxc_container.c (lxcContainerMountBasicFS): Don't leak upon failure.
Add "cleanup:" label and change each post-allocation failure to
use "goto cleanup" rather than returning immediately.
Jim Meyering [Fri, 4 Sep 2009 09:20:23 +0000 (11:20 +0200)]
qemu_conf.c: add a comment suggesting why we leave a dead-store
* src/qemu_conf.c (qemuBuildHostNetStr): Do not remove the type_sep=','
dead store, since not having it would be a problem if we ever add a
new attribute=VAL option.
* src/esx/esx_vi.[ch]: convert esxVI_RemoteRequest_Execute() to a
simpler esxVI_Context_Execute() version, remove esxVI_RemoteRequest
and convert esxVI_RemoteResponse to esxVI_Response
* src/esx/esx_vi_methods.c: update and simplify callers to use
esxVI_Context_Execute() instead of esxVI_RemoteRequest_Execute()
ESX use virXPathNode*() to simplify XPath handling
* src/esx/esx_vi.[ch]: use virXPathNode*() in
esxVI_RemoteRequest_Execute() and remove
esxVI_RemoteResponse_DeserializeXPathObject*()
* src/esx/esx_vi_methods.c: update callers to use the new syntax of
esxVI_RemoteRequest_Execute()
ESX: make esxVI_GetVirtualMachineIdentity() robust
* src/esx/esx_driver.c: add configStatus to the requested properties
to check it in esxVI_GetVirtualMachineIdentity()
* src/esx/esx_vi.[ch]: add esxVI_GetManagedEntityStatus()
and use it in esxVI_GetVirtualMachineIdentity()
* src/esx/esx_vi_types.[ch]: add VI type esxVI_ManagedEntityStatus
* src/esx/esx_driver.c: handle spaces in VMX file path and use a
virBuffer to encode spaces correctly in the resulting URL
* src/esx/esx_vi.c: include the URL in the error message in case
of a download error
* configure.in src/Makefile.am: change detection and flags
* src/phyp/phyp_driver.c src/phyp/phyp_driver.h: connection now
need to be done as part of the driver code, cleaned up by DV
* src/qemu_driver.c: Free the vm->monitor_chr field at VM shutdown.
Unlink the UNIX domain socket at VM shutdown to avoid littering
FS with old sockets
Separate the guest created QEMU monitor socket location
from the libvirtd create XML / PID data files, to improve
security separation when running QEMU non-root
* libvirt.spec.in: Leave /var/run/libvirt/qemu as root:root
* src/qemu_conf.h: Add libDir and cacheDir directory paths
* src/qemu_driver.c: Move QEMU monitor socket from
stateDir to libDir to avoid making security critical directory
accessible to QEMU guests.
* src/util.c: Delay running hook till after damonizing to
ensure pidfile is still written before changing UID/GID
If a file descriptor with events=0 was added to the libvirtd
event loop, it would still be added to the poll() fds' array.
While it wouldn't see any POLLIN/OUT events, it'd still get
triggered for HANGUP/ERROR events which was not in compliance
with the libvirt events API contract.
* qemud/event.c: Don't poll on FDs with events=0
* tests/eventtest.c: Add test case to validate fix to event.c
Jim Meyering [Thu, 3 Sep 2009 12:09:49 +0000 (14:09 +0200)]
python: let libvirt_virConnectDomainEventCallback indicate success
* python/libvir.c (libvirt_virConnectDomainEventCallback): Return 0
when successful, rather than always returning -1.
clang flagged this function for its dead-store of "ret=0".
Once "ret" was set to 0, it was never used, and
the function would always return -1.
Jim Meyering [Thu, 3 Sep 2009 10:33:11 +0000 (12:33 +0200)]
openvz_conf.c: don't use undefined local, "net"
* src/openvz_conf.c (openvzReadNetworkConf): Initialize "net".
Otherwise, upon openvzRead... failure, we would "goto error;"
where an uninitialized "net" could be dereferenced.
Jim Meyering [Thu, 3 Sep 2009 10:12:19 +0000 (12:12 +0200)]
test.c: don't use undefined local, "def"
* src/test.c (testOpenVolumesForPool): Upon early virAsprintf or
virXPathNodeSet failure, "goto error" would take us to
virStorageVolDefFree(def), but with "def" not defined.
Initialize it to NULL.
Jim Meyering [Thu, 3 Sep 2009 08:22:57 +0000 (10:22 +0200)]
storage_backend.c: assure clang that inputvol can't be NULL
* src/storage_backend.c: Include "internal.h".
(virStorageBackendCopyToFD): Mark inputvol parameter as "nonnull".
Remove test for non-NULL inputvol. Both callers ensure it's non-NULL.
Jim Meyering [Wed, 2 Sep 2009 15:47:51 +0000 (17:47 +0200)]
libvir.c: avoid NULL dereference in virStoragePoolSetAutostart
* src/libvirt.c (virStoragePoolSetAutostart): Return -1 if the pool
argument is invalid, rather than "goto error" where we could dereference
that possibly-NULL "pool".
(virConnectFindStoragePoolSources): Likewise.
(virConnectNumOfDomains): Likewise.
Daniel P. Berrange spotted that the two latter functions
needed the same treatment.