We use virBhyveTapGetRealDeviceName() to map network interface name
to a real device path, trying to open possible devices and getting
names by ioctl.

Make it skip devices that fail to open with EBUSY because they're
most likely already used by other VMs.

Commit d9f19c30 moved a lot of the
configuration setup into libxlDriverConfigNew().
However that tries to create the libxl/libxl-driver.log before the
libxl directory gets created in libxlStateInitialize().

This causes the daemon to fail on systems that have not had the directory
created before.

Move the code to create the libxl directory into libxlDriverConfigNew().
Signed-off-by: NStefan Bader <stefan.bader@canonical.com>

Indent top-level labels by one space.

Add the rule to HACKING and enforce it by syntax-check.

https://bugzilla.redhat.com/show_bug.cgi?id=905282
https://bugzilla.redhat.com/show_bug.cgi?id=967494

When lock failure is detected by sanlock, our sanlock_helper kill script
will try to restart (shutdown followed by start) the affected domain
when RESTART action is configured for it. While shutting down kills QEMU
and removes all its leases (which is what sanlock wants to happen),
trying to start it again just hangs because libvirt tries reacquire the
locks in the failed lock space. Hence, this action cannot be supported
by sanlock driver.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>

https://bugzilla.redhat.com/show_bug.cgi?id=905280
https://bugzilla.redhat.com/show_bug.cgi?id=967493

Sanlock expects that the configured kill script either kills the PID on
lock failure or removes all locks the PID owns. If none of the two
options happen, sanlock will reboot the host. Although IGNORE action is
supposed to ignore the request to kill the PID or remove all leases,
it's certainly not designed to cause the host to be rebooted. That said,
IGNORE action is incompatible with sanlock and should be forbidden by
libvirt.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>

Some of the function attributes marked as nonnull actually explicitly
handle the arguments for NULL. All changed functions handle missing
"initiatoriqn" argument well and virISCSIScanTargets also handles well
if the return pointers are missing. Remove some of the liberaly used
ATTRIBUTE_NONNULLs as coverity and possibly other compilers that honor
the attribute fail to compile the code.

Flaw introduced in commit 5e1d5dde

While we aren't impacted by most of upstream's changes this
month, at least the regex improvement looks useful.

* gnulib: Synchronize to upstream.

This patch adds "[--format] <string>" to "virsh dump --memory-only", which is
changed to use the new virDomainCoreDumpWithFormat API.
Signed-off-by: NQiao Nuohan <qiaonuohan@cn.fujitsu.com>
Signed-off-by: NEric Blake <eblake@redhat.com>

This patch makes qemu driver support virDomainCoreDumpWithFormat API.
Signed-off-by: NQiao Nuohan <qiaonuohan@cn.fujitsu.com>

This patch adds qemuMonitorGetDumpGuestMemoryCapability, which is used to check
whether the specified dump-guest-memory format is supported by qemu.
Signed-off-by: NQiao Nuohan <qiaonuohan@cn.fujitsu.com>

--memory-only option is introduced without compression supported. Now qemu
has support for dumping domain's memory in kdump-compressed format. This
patch adds a new virDomainCoreDumpWithFormat API, so that the format in
which qemu dumps domain's memory can be specified.
Signed-off-by: NQiao Nuohan <qiaonuohan@cn.fujitsu.com>
Signed-off-by: NEric Blake <eblake@redhat.com>

Commit 4f202266 breaks build with
AppArmor enabled as it missed the refactor to the new accessors.

It's finally time to start tracking disk backing chains in
<domain> XML.  The first step is to start refactoring code
so that we have an object more convenient for representing
each host source resource in the context of a single guest
<disk>.  Ultimately, I plan to move the new type into src/util
where it can be reused by virStorageFile, but to make the
transition easier to review, this patch just creates the
new type then fixes everything until it compiles again.

* src/conf/domain_conf.h (_virDomainDiskDef): Split...
(_virDomainDiskSourceDef): ...to new struct.
(virDomainDiskAuthClear): Use new type.
* src/conf/domain_conf.c (virDomainDiskDefFree): Split...
(virDomainDiskSourceDefClear): ...to new function.
(virDomainDiskGetType, virDomainDiskSetType)
(virDomainDiskGetSource, virDomainDiskSetSource)
(virDomainDiskGetDriver, virDomainDiskSetDriver)
(virDomainDiskGetFormat, virDomainDiskSetFormat)
(virDomainDiskAuthClear, virDomainDiskGetActualType)
(virDomainDiskDefParseXML, virDomainDiskSourceDefFormat)
(virDomainDiskDefFormat, virDomainDiskDefForeachPath)
(virDomainDiskDefGetSecurityLabelDef)
(virDomainDiskSourceIsBlockType): Adjust all users.
* src/lxc/lxc_controller.c (virLXCControllerSetupDisk):
Likewise.
* src/lxc/lxc_driver.c (lxcDomainAttachDeviceMknodHelper):
Likewise.
* src/qemu/qemu_command.c (qemuAddRBDHost, qemuParseRBDString)
(qemuParseDriveURIString, qemuParseGlusterString)
(qemuParseISCSIString, qemuParseNBDString)
(qemuDomainDiskGetSourceString, qemuBuildDriveStr)
(qemuBuildCommandLine, qemuParseCommandLineDisk)
(qemuParseCommandLine): Likewise.
* src/qemu/qemu_conf.c (qemuCheckSharedDevice)
(qemuAddISCSIPoolSourceHost, qemuTranslateDiskSourcePool):
Likewise.
* src/qemu/qemu_driver.c (qemuDomainUpdateDeviceConfig)
(qemuDomainPrepareDiskChainElement)
(qemuDomainSnapshotCreateInactiveExternal)
(qemuDomainSnapshotPrepareDiskExternalBackingInactive)
(qemuDomainSnapshotPrepareDiskInternal)
(qemuDomainSnapshotPrepare)
(qemuDomainSnapshotCreateSingleDiskActive)
(qemuDomainSnapshotUndoSingleDiskActive)
(qemuDomainBlockPivot, qemuDomainBlockJobImpl)
(qemuDomainBlockCopy, qemuDomainBlockCommit): Likewise.
* src/qemu/qemu_migration.c (qemuMigrationIsSafe): Likewise.
* src/qemu/qemu_process.c (qemuProcessGetVolumeQcowPassphrase)
(qemuProcessInitPasswords): Likewise.
* src/security/security_selinux.c
(virSecuritySELinuxSetSecurityFileLabel): Likewise.
* src/storage/storage_driver.c (virStorageFileInitFromDiskDef):
Likewise.
* tests/securityselinuxlabeltest.c (testSELinuxLoadDef):
Likewise.
Signed-off-by: NEric Blake <eblake@redhat.com>

Part of a series of cleanups to use new accessor methods.

* src/xenxs/xen_sxpr.c (xenParseSxprDisks, xenParseSxpr)
(xenFormatSxprDisk, xenFormatSxpr): Use accessors.
* src/xenxs/xen_xm.c (xenParseXM, xenFormatXMDisk, xenFormatXM):
Likewise.
Signed-off-by: NEric Blake <eblake@redhat.com>

Part of a series of cleanups to use new accessor methods.

* src/xen/xend_internal.c (virDomainXMLDevID): Use accessors.
Signed-off-by: NEric Blake <eblake@redhat.com>

Part of a series of cleanups to use new accessor methods.

* src/vmx/vmx.c (virVMXHandleLegacySCSIDiskDriverName)
(virVMXParseDisk, virVMXFormatDisk, virVMXFormatFloppy): Use
accessors.
Signed-off-by: NEric Blake <eblake@redhat.com>

Part of a series of cleanups to use new accessor methods.

* src/vmware/vmware_conf.c (vmwareVmxPath): Use accessors.
Signed-off-by: NEric Blake <eblake@redhat.com>