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The owner and group in the documentation examples were confusingly given as
'0744'. They should be numeric uid and gid. Changed the examples to use the
default uid and gid assigned to qemu in F12.
* docs/formatstorage.html.in: Change example owner and group in volume XML
* src/storage/storage_backend_fs.c: virStorageBackendFileSystemDelete
was incorrectly calling unlink() in an attempt to remove a directory.
It should be calling rmdir() instead.
src/node_device/node_device_udev.c was using a function available only
on the daemon code, fix this and use the function available globally
* src/node_device/node_device_udev.c: replace use of virEventAddHandleImpl
by virEventAddHandle
This patch fixes the problem reported in:
https://bugzilla.redhat.com/show_bug.cgi?id=509306
The bug reporter says that vol-delete does not support the --pool
option, but that's not the case in the current head. This patch makes
vol-path behave the same way as vol-delete
* tools/virsh.c: Modified vol-path to use the same logic as vol-delete,
allowing the syntax: virsh vol-path --pool testdirpool testvol0
If there are no references remaining to the object, vm is set to NULL
and vm->persistent cannot be accessed. Fixed by this trivial patch.
* src/qemu/qemu_driver.c (qemudDomainCoreDump): Avoid possible
NULL pointer dereference on --crash dump.
tests/virt-aa-helper-test and examples/apparmor are not included in
official tarballs, but should be. Attached is a patch to fix that
which works when apparmor is and is not available.
This is trivial for QEMU since you just have to not stop the vm before
starting the dump. And for Xen, you just pass the flag down to xend.
* include/libvirt/libvirt.h.in (virDomainCoreDumpFlags): Add VIR_DUMP_LIVE.
* src/qemu/qemu_driver.c (qemudDomainCoreDump): Support live dumping.
* src/xen/xend_internal.c (xenDaemonDomainCoreDump): Support live dumping.
* tools/virsh.c (opts_dump): Add --live. (cmdDump): Map it to VIR_DUMP_LIVE.
This patch adds the --crash option (already present in "xm dump-core")
to "virsh dump". virDomainCoreDump already has a flags argument, so
the API/ABI is untouched.
* include/libvirt/libvirt.h.in (virDomainCoreDumpFlags): New flag for
CoreDump
* src/test/test_driver.c (testDomainCoreDump): Do not crash
after dump unless VIR_DUMP_CRASH is given.
* src/qemu/qemu_driver.c (qemudDomainCoreDump): Shutdown the domain
instead of restarting it if --crash is passed.
* src/xen/xend_internal.c (xenDaemonDomainCoreDump): Support --crash.
* tools/virsh.c (opts_dump): Add --crash.
(cmdDump): Map it to flags for virDomainCoreDump and pass them.
1) qemuMigrateToCommand uses ">>" so we have to truncate the file
before starting the migration;
2) the command wasn't updated to chown the driver and set/restore
the security lavels;
3) the VM does not have to be resumed if migration fails;
4) the file is not removed when migration fails.
* src/qemu/qemu_driver.c (qemuDomainCoreDump): Truncate file before
dumping, set/restore ownership and security labels for the file.
Those were pointed by DanB in his review but not yet fixed
* src/qemu/qemu_driver.c: qemudWaitForMonitor() use EnterMonitorWithDriver()
and ExitMonitorWithDriver() there
* src/qemu/qemu_monitor_text.c: checking fro strdu failure and hash
table add error in qemuMonitorTextGetPtyPaths()
This change makes the QEMU driver get pty paths from the output of the
monitor 'info chardev' command. This output is structured, and contains
both the name of the device and the path on the same line. This is
considerably more reliable than parsing the startup log output, which
requires the parsing code to know which order QEMU will print pty
information in.
Note that we still need to parse the log output as the monitor itself
may be on a pty. This should be rare, however, and the new code will
replace all pty paths parsed by the log output method once the monitor
is available.
* src/qemu/qemu_monitor.(c|h) src/qemu_monitor_text.(c|h): Implement
qemuMonitorGetPtyPaths().
* src/qemu/qemu_driver.c: Get pty path information using
qemuMonitorGetPtyPaths().
Change -monitor, -serial and -parallel output to use -chardev if it is
available.
* src/qemu/qemu_conf.c: Update qemudBuildCommandLine to use -chardev where
available.
* tests/qemuxml2argvtest.c tests/qemuxml2argvdata/: Add -chardev equivalents
for all current serial and parallel tests.
Even if qemudStartVMDaemon suceeds, an error was logged such as
'qemuRemoveCgroup:1778 : internal error Unable to find cgroup for'.
This is because qemudStartVMDaemon calls qemuRemoveCgroup to
ensure that old cgroup does not remain. This workaround makes
sense but leaving an error message may confuse users.
* src/qemu/qemu_driver.c: a an option to the function to suppress the
error being logged
This patch fixes the bug where paused/running state is not
transmitted during migration. As a result, in the QEMU driver
for example the machine was always started on the destination
end.
In order to do so, just read the state and if it is appropriate and
set the VIR_MIGRATE_PAUSED flag.
* src/libvirt.c (virDomainMigrateVersion1, virDomainMigrateVersion2):
Automatically add VIR_MIGRATE_PAUSED when appropriate.
* src/xen/xend_internal.c (xenDaemonDomainMigratePerform): Give a nicer
error message when migration of paused domains is attempted.
This adds a new flag, VIR_MIGRATE_PAUSED, that mandates pausing
the migrated VM before starting it.
* include/libvirt/libvirt.h.in (virDomainMigrateFlags): Add VIR_MIGRATE_PAUSED.
* src/qemu/qemu_driver.c (qemudDomainMigrateFinish2): Handle VIR_MIGRATE_PAUSED.
* tools/virsh.c (opts_migrate): Add --suspend. (cmdMigrate): Handle it.
* tools/virsh.pod (migrate): Document it.
This makes a small change on the failed-migration path. Up to now,
all VMs that failed non-live migration after the "stop" command
were restarted. This must not be done when the VM was paused in
the first place.
* src/qemu/qemu_driver.c (qemudDomainMigratePerform): Do not restart
a paused VM that fails migration. Set paused state after "stop",
reset it after failure.
We don't use this method of reloading rules anymore, so we can just
kill the code.
This simplifies things a lot because we no longer need to keep a
table of the rules we've added.
* src/util/iptables.c: kill iptablesReloadRules()
Long ago we tried to use Fedora's lokkit utility in order to register
our iptables rules so that 'service iptables restart' would
automatically load our rules.
There was one fatal flaw - if the user had configured iptables without
lokkit, then we would clobber that configuration by running lokkit.
We quickly disabled lokkit support, but never removed it. Let's do
that now.
The 'my virtual network stops working when I restart iptables' still
remains. For all the background on this saga, see:
https://bugzilla.redhat.com/227011
* src/util/iptables.c: remove lokkit support
* configure.in: remove --enable-lokkit
* libvirt.spec.in: remove the dirs used only for saving rules for lokkit
* src/Makefile.am: ditto
* src/libvirt_private.syms, src/network/bridge_driver.c,
src/util/iptables.h: remove references to iptablesSaveRules
This is the expected behaviour, I think - reloading libvirtd should
be a subset of restarting it.
Note, we reload the rules after we've determined which networks
are active (because we only add the rules for active networks)
and before we start autostart networks (to avoid re-adding the
rules).
* src/network/bridge_driver.c: reload iptables rules on startup
Currently, when we add iptables rules, we keep them on a list so that
we can easily reload them on e.g. 'service libvirtd reload'.
However, we don't save this list to disk, so if libvirtd is restarted
we lose the ability to reload the rules.
The fix is simple - just re-add the damn things on reload.
Note, we delete the rules before re-adding them, just like the current
behaviour of iptRulesReload().
* src/network/bridge_driver.c: re-add the iptables rules on reload.
Replace free(virBufferContentAndReset()) with virBufferFreeAndReset().
Update documentation and replace all remaining calls to free() with
calls to VIR_FREE(). Also add missing calls to virBufferFreeAndReset()
and virReportOOMError() in OOM error cases.
xen-unstable changesets 20321 and 20521 added support for
description in xend domain config. This patch extends that
support in xend backend.
* src/xen/xend_internal.c: add parse and output of domain description
The QEMU 0.10.0 release (and possibly other 0.10.x) has a bug where
it sometimes/often forgets to display the initial monitor greeting
line, soley printing a (qemu). This in turn confuses the text
console parsing because it has a '(qemu)' it is not expecting. The
confusion results in a negative malloc. Bad things follow.
This re-writes the text console handling to be more robust. The key
idea is that it should only look for a (qemu), once it has seen the
original command echo'd back. This ensures it'll skip the bogus stray
(qemu) with broken QEMUs.
* src/qemu/qemu_monitor.c: Add some (disabled) debug code
* src/qemu/qemu_monitor_text.c: Re-write way command replies
are detected
Since the monitor I/O is processed out of band from the main
thread(s) invoking monitor commands, the virDomainObj may be
deleted by the I/O thread. The qemuDomainObjBeginJob takes an
extra reference to protect against final deletion, but this
reference is released by the corresponding EndJob call. THus
after the EndJob call it may not be valid to reference the
virDomainObj any more. To allow callers to detect this, the
EndJob call is changed to return the remaining reference count.
* src/conf/domain_conf.c: Make virDomainObjUnref return the
remaining reference count
* src/qemu/qemu_driver.c: Avoid referencing virDomainObjPtr
after qemuDomainObjEndJob if it has been deleted.
Using AM_PATH_PYTHON solves the site-packages directory problem. At least
in Ubuntu with Python 2.6 and later site-packages is renamed to dist-packages
and site-packages is not part of sys.path anymore. So installing the libvirt
Python bindings to site-packages renders them unusable, because they can be
imported from there without manually including site-packages into sys.path.
AM_PATH_PYTHON detects the correct site-packages/dist-packages directory.
python-config --includes gives the correct include path for the Python header
files. The old probing code stays there as fallback mechanism.
* configure.in: use AM_PATH_PYTHON and python-config
* python/Makefile.am: remove -I because PYTHON_INCLUDES contains it now
* docs/ChangeLog.xsl docs/newapi.xsl docs/site.xsl: change all
stylesheets to output UTF-8 HTML instead of ISO Latin 1 which was
breaking on some people names.
Fix this warning, there is no need to use an intermediate,
different array pointer.
network.c: In function 'getIPv6Addr':
network.c:50: warning: dereferencing type-punned pointer will break strict-aliasing rules
* src/util/network.c: avoid an intermediary pointer cast
* src/qemu/qemu_monitor.c, src/qemu/qemu_monitor.h: Add callbacks
for reset, shutdown, poweroff and stop events. Add convenience
methods for emiting those events
With addition of events there will be alot of callbacks.
To avoid having to add many APIs to register callbacks,
provide them all at once in a big table
* src/qemu/qemu_driver.c: Pass in a callback table to QEMU
monitor code
* src/qemu/qemu_monitor.c, src/qemu/qemu_monitor.h Replace
the EOF and disk secret callbacks with a callback table
Initial support for the new QEMU monitor protocol using JSON
as the data encoding format instead of plain text
* po/POTFILES.in: Add src/qemu/qemu_monitor_json.c
* src/qemu/qemu_conf.c, src/qemu/qemu_conf.h: Hack to turn on QMP
mode. Replace with a version number check on >= 0.12 later
* src/qemu/qemu_monitor.c: Delegate to json monitor if enabled
* src/qemu/qemu_monitor_json.c, src/qemu/qemu_monitor_json.h: Add
impl of QMP protocol
* src/Makefile.am: Add src/qemu/qemu_monitor_json.{c,h}
Now that drivers are using a private domain object state blob,
the virDomainObjFormat/Parse methods are no longer able to
directly serialize all neccessary state to/from XML. It is
thus neccessary to introduce a pair of callbacks fo serializing
private state.
The code for serializing vCPU PIDs and the monitor device
config can now move out of domain_conf.c and into the
qemu_driver.c where they belong.
* src/conf/capabilities.h: Add callbacks for serializing private
state to/from XML
* src/conf/domain_conf.c, src/conf/domain_conf.h: Remove the
monitor, monitor_chr, monitorWatch, nvcpupids and vcpupids
fields from virDomainObjPtr. Remove code that serialized
those fields
* src/libvirt_private.syms: Export virXPathBoolean
* src/qemu/qemu_driver.c: Add callbacks for serializing monitor
and vcpupid data to/from XML
* src/qemu/qemu_monitor.h, src/qemu/qemu_monitor.c: Pass monitor
char device config into qemuMonitorOpen directly.
The code to start CPUs executing has nothing todo with CPU
affinity masks, so pull it out of the qemudInitCpuAffinity()
method and up into qemudStartVMDaemon()
* src/qemu/qemu_driver.c: Pull code to start CPUs executing out
of qemudInitCpuAffinity()
The current QEMU disk media change does not support setting the
disk format. The new JSON monitor will support this, so add an
extra parameter to pass this info in
* src/qemu/qemu_driver.c: Pass in disk format when changing media
* src/qemu/qemu_monitor.h, src/qemu/qemu_monitor.c,
src/qemu/qemu_monitor_text.c, src/qemu/qemu_monitor_text.h:
Add a 'format' arg to qemuMonitorChangeMedia()
