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Kernel cmdline args can be passed to xen pv domains even when a
bootloader is specified. The current config-to-sxpr mapping
ignores cmdline when bootloader is present.
Since the xend sub-driver is used with many xen toolstack versions,
this patch takes conservative approach of adding an else block to
existing !def->os.bootloader, and only appends sxpr if def->os.cmdline
is non-NULL.
V2: Fix existing testcase broken by this patch and add new testcases
If virDomainSaveConfig() failed, we will return NULL to source,
and the vm is still available to restart during confirm() step in
v3 protocol. So we should kill it off in qemuMigrationFinish().
In v2 protocol, we should not set vm to NULL, because we hold
a reference of vm and should unrefernce it.
This patch creates new <bios> element which, at this time has only the
attribute useserial='yes|no'. This attribute allow users to use
Serial Graphics Adapter and see BIOS messages from the very first moment
domain boots up. Therefore, users can choose boot medium, set PXE, etc.
Don't print OK/FAIL for tests that decide to be skipped after
calling virtTestMain. Delay printing of the indentation before
the first test until we know that the test didn't decide to be
skipped.
Also make the reconnect test use VIRT_TEST_MAIN.
The current logic tries to count from 1 to 40 and ignores paddings
of 0 and 1 to 40. This doesn't work for counter + 1 mod 40 == 0
like here for counter value 159
TEST: virsh-all
........................................ 40
........................................ 80
........................................ 120
....................................... 159 OK
PASS: virsh-all
Also seq isn't portable. Therefore, calculate the correct padding
length directly and use printf to output it at once.
It is common for the $HOME/.libvirt/libvirtd.conf file to not
exist. Treat this situation as non-fatal since we can carry
on with our default settings just fine.
* daemon/libvirtd.c: Treat ENOENT as non-fatal when loading
config
The dispatch for the CLOSE RPC call was invoking the method
virNetServerClientClose(). This caused the client connection
to be immediately terminated. This meant the reply to the
final RPC message was never sent. Prior to the RPC rewrite
we merely flagged the connection for closing, and actually
closed it when the next RPC call dispatch had completed.
* daemon/remote.c: Flag connection for a delayed close
* daemon/stream.c: Update to use new API for closing
failed connection
* src/rpc/virnetserverclient.c, src/rpc/virnetserverclient.h:
Add support for a delayed connection close. Rename the
virNetServerClientMarkClose method to virNetServerClientImmediateClose
to clarify its semantics
When closing a remote connection we issue a (fairly pointless)
'CLOSE' RPC call to the daemon. If this fails we skip all the
cleanup of private data, but the virConnectPtr object still
gets released as normal. This causes a memory leak. Since the
CLOSE RPC call is pretty pointless, just carry on freeing the
remote driver if it fails.
* src/remote/remote_driver.c: Ignore failure to issue CLOSE
RPC call
When sending back the final OK or ERROR message on completion
of a stream, we were not decrementing the 'nrequests' tracker
on the client. With the default requests limit of '5', this
meant once a client had created 5 streams, they are unable to
process any further RPC calls. There was also a bug when
handling an error from decoding a message length header, which
meant a client connection would not immediately be closed.
* src/rpc/virnetserverclient.c: Fix release of request after
stream completion & mark client for close on error
In one exit path we forgot to free the virNetMessage object causing
a large memory leak for streams which send a lot of data. Some other
paths were calling VIR_FREE directly instead of virNetMessageFree
although this was (currently) harmless.
* src/rpc/virnetclientstream.c: Fix leak of msg object
* src/rpc/virnetclientprogram.c: Call virNetMessageFree instead
of VIR_FREE
If a client disconnects while it has a stream active, there is
a race condition which could see libvirtd crash. This is because
the client struct may be freed before the last stream event has
triggered. This is trivially solved by holding an extra reference
on the client for the stream callbak
* daemon/stream.c: Acquire reference on client when adding the
stream callback
The virNetTLSContextNew was being passed key/cert parameters in
the wrong order. This wasn't immediately visible because if
virNetTLSContextNewPath was used, a second bug reversed the order
of those parameters again.
Only if the paths were manually specified in /etc/libvirt/libvirtd.conf
did the bug appear
* src/rpc/virnettlscontext.c: Fix order of params passed to
virNetTLSContextNew
This option accepts 3 values:
-keep, to keep current client connected (Spice+VNC)
-disconnect, to disconnect client (Spice)
-fail, to fail setting password if there is a client connected (Spice)
When virFileOpenAs is called with VIR_FILE_OPEN_AS_UID flag and uid/gid
different from root/root while libvirtd is running as root, we fork a
new child, change its effective UID/GID to uid/gid and run
virFileOpenAsNoFork. It doesn't make any sense to fchown() the opened
file in this case since we already know that uid/gid can access the file
when open succeeds and one of the following situations may happen:
- the file is already owned by uid/gid and we skip fchown even before
this patch
- the file is owned by uid but not gid because it was created in a
directory with SETGID set, in which case it is desirable not to change
the group
- the file may be owned by a completely different user and/or group
because it was created on a root-squashed or even all-squashed NFS
filesystem, in which case fchown would most likely fail anyway
Add libvirt support for MicroBlaze architecture as a QEMU target. Based on mips/mipsel pattern.
Signed-off-by: John Williams <john.williams@petalogix.com>
Currently, the xen statstest and reconnect tests are only compiled
if xend is running. Compile them unconditionally if xen headers
are present, but skip the tests at runtime if xend is not running.
This is in response to Eric's suggestion here
https://www.redhat.com/archives/libvir-list/2011-July/msg00367.html
No caller was using the flags argument, and this function is internal
only, so we might as well skip it.
* src/util/util.h (safezero): Update signature.
* src/util/util.c (safezero): Update function.
* src/locking/lock_driver_sanlock.c
(virLockManagerSanlockSetupLockspace)
(virLockManagerSanlockCreateLease): Update all callers.
* src/storage/storage_backend.c (createRawFile): Likewise.
Most APIs use 'unsigned int flags'; but a few stragglers were using
a signed value. In particular, the vir*GetXMLDesc APIs were
split-brain, with inconsistent choice of types. Although it is
an API break to use 'int' instead of 'unsigned int', it is ABI
compatible (pre-compiled apps will have no difference in behavior),
and generally apps can be recompiled without any issue (only rare
apps that compiled with extremely high warning levels, or which
pass libvirt API around as typed function pointers, would have to
make any code changes to deal with the change).
The migrate APIs use 'unsigned long flags', which can't be changed,
due to ABI constraints.
This patch intentionally touches only the public API, to prove the
claim that most existing code (including driver callbacks and virsh)
still compiles just fine in spite of the type change.
* include/libvirt/libvirt.h.in (virConnectOpenAuth)
(virDomainCoreDump, virDomainGetXMLDesc, virNetworkGetXMLDesc)
(virNWFilterGetXMLDesc): Use unsigned int for flags.
(virDomainHasCurrentSnapshot): Use consistent spelling.
* src/libvirt.c (virConnectOpenAuth, virDomainCoreDump)
(virDomainGetXMLDesc, virNetworkGetXMLDesc)
(virNWFilterGetXMLDesc, do_open): Update accordingly.
Destroy has a rather negative English connotation. Try to reduce
the impact, so newbies aren't as scared to use it.
* tools/virsh.c: Tweak all destroy documentation.
* tools/virsh.pod: Likewise.
Gnulib documents that mingw vsnprintf is broken (it returns -1
on out-of-space, instead of the count of what would have been
printed); but while we were using the snprintf wrapper, we had
not yet been using the vsnprintf wrapper.
Meanwhile, mingw (but not mingw64) has a replacement snprintf
that fixes return values, but still lacks %1$s support; so in
that case, gnulib didn't replace snprintf, but libintl then
went ahead and installed a version that supported %1$s but not
return values. Gnulib has since been fixed to guarantee that
the snprintf module will always guarantee the constraints needed
by libintl.
Also, we want to guarantee that strdup sets errno on failure.
* .gnulib: Update to latest, for vsnprintf fix.
* bootstrap.conf (gnulib_modules): Add vsnprintf, strdup-posix.
Reported by Matthias Bolte.
The next patch wants to adjust an end pointer to trim trailing
spaces but without modifying the underlying string, but a more
generally useful ability to trim trailing spaces in place is
also worth providing.
* src/util/util.h (virTrimSpaces, virSkipSpacesBackwards): New
prototypes.
* src/util/util.c (virTrimSpaces, virSkipSpacesBackwards): New
functions.
* src/libvirt_private.syms (util.h): Export new functions.
Inspired by a patch by Minoru Usui.
Most clients of virSkipSpaces don't want to omit backslashes.
Also, open-coding the list of spaces is not as nice as using
c_isspace.
* src/util/util.c (virSkipSpaces): Use c_isspace.
(virSkipSpacesAndBackslash): New function.
* src/util/util.h (virSkipSpacesAndBackslash): New prototype.
* src/xen/xend_internal.c (sexpr_to_xend_topology): Update caller.
* src/libvirt_private.syms (util.h): Export new function.
No change in wording. One spacing change in a <pre>, noticed because
of odd XML formatting online; the rest is in free-flowing text to
make it easier to see nesting levels in the document.
* docs/formatdomain.html.in: Adjust spacing. Break long lines.
Move stat and mkdir to virFileMakePathHelper.
Also use the stat result to detect whether the existing path
is a directory and set errno accordingly if it's not.
When no <seclabel> is present in the XML, the virDomainSeclabelDef
struct is left as all zeros. Unfortunately, this means it gets setup
as type=dynamic, with relabel=no, which is an illegal combination.
Change the 'bool relabel' attribute in virDomainSeclabelDef to
the inverse 'bool norelabel' so that the default initialization
is sensible
* src/conf/domain_conf.c, src/conf/domain_conf.h,
src/security/security_apparmor.c, src/security/security_selinux.c:
Replace 'relabel' with 'norelabel'
Some callers expected virFileMakePath to set errno, some expected
it to return an errno value. Unify this to return 0 on success and
-1 on error. Set errno to report detailed error information.
Also optimize virFileMakePath if stat fails with an errno different
from ENOENT.
add a new API pciDeviceReAttachInit() in pci.c to initialize state values for nodedev reattach
Initialize three state value of device driver to 1. This is just for a new call to
qemudNodeDeviceReAttach()
domain.rng, network.rng, and interface.rng already use a few of the
same types (or in some cases *should* but don't), and an upcoming code
change will have them sharing even more. To prepare for that, this
patch takes those common data type definitions and moves them into
basictypes.rng.
This may break some rule about the need to RNG files to be autonomous
or something, but I saw that storageencryption.rng is used in this
way, so I figured it must not be completely against the law...
