The command tries to match interface in domain definition by MAC
address or interface name. However, since it's possible to
configure two interfaces with the same MAC address, it may
happen that the XPath returns two or more nodes. We should check
for that.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1497396
The other APIs accept both, ifname and MAC address. There's no
reason virDomainInterfaceStats can't do the same.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1497396
The current implementation reads the stats from the host.
However, this doesn't work for all types of interfaces as not all
of them have a representation in the host. For instance,
interface type='user' doesn't.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
The command "info migrate" of qemu outputs the dirty-pages-rate during
migration, but page size is different in different architectures. So
page size should be output to calculate dirty pages in bytes.
Page size is already implemented with commit
030ce1f8612215fcbe9d353dfeaeb2937f8e3f94 in qemu.
Now Implement the counter-part in libvirt.
Signed-off-by: Chao Fan <fanc.fnst@cn.fujitsu.com>
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1476775
For the virsh pool-{define|create}-as command, let's allow using
--secret-uuid on the command line as an alternative to --secret-usage
(added for commit id '8932580'), but ensure that they are mutually
exclusive.
In my previous commit of b1d87f9ad9 I've made a typo breaking
the FreeBSD build. s/ipAaddr/ipAddr/
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit adds new events for two methods and operations: *PoolBuild() and
*PoolDelete(). Using the event-test and the commands set below we have the
following outputs:
$ sudo ./event-test
Registering event callbacks
myStoragePoolEventCallback EVENT: Storage pool test Defined 0
myStoragePoolEventCallback EVENT: Storage pool test Created 0
myStoragePoolEventCallback EVENT: Storage pool test Started 0
myStoragePoolEventCallback EVENT: Storage pool test Stopped 0
myStoragePoolEventCallback EVENT: Storage pool test Deleted 0
myStoragePoolEventCallback EVENT: Storage pool test Undefined 0
Another terminal:
$ sudo virsh pool-define test.xml
Pool test defined from test.xml
$ sudo virsh pool-build test
Pool test built
$ sudo virsh pool-start test
Pool test started
$ sudo virsh pool-destroy test
Pool test destroyed
$ sudo virsh pool-delete test
Pool test deleted
$ sudo virsh pool-undefine test
Pool test has been undefined
This commits can be a solution for RHBZ #1475227.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1475227
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
So we refer to the terms 'persistent' and 'transient' across the whole
man page, without describing it further, but more importantly, how the
create command affects it, i.e. explicitly stating that domain created
via the 'create' command are going to be transient or persistent,
depending on whether there is an existing persistent domain with a
matching <name> and <uuid>, in which case it will remain persistent, but
will run using a one-time configuration, otherwise it's going to be
transient and will vanish once destroyed.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
The documentation mistakenly states that the unit for returned
values is kB (multiple of 1000), while in fact we are returning
KiB (multiple of 1024).
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Requesting an automated switch to a post-copy migration (using
--timeout-postcopy) without actually enabling post-copy migration (using
--postcopy) doesn't really do anything. Let's make this dependency
explicit to avoid unexpected behavior.
https://bugzilla.redhat.com/show_bug.cgi?id=1455023
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Fix the warning generated on PPC by virt-host-validate for IOMMU.
In case of PPC, IOMMU in the host kernel either has it or it's not
compiled in. The /sys/kernel/iommu_groups check is good enough to
verify if it was compiled with the kernel or not.
Modify the error message when "if (sb.st_nlink <= 2)" to indicate
what the problem would be since there would be no @bootarg.
Signed-off-by: Nitesh Konkar <nitkon12@linux.vnet.ibm.com>
It was not entirely clear that PARALLEL_SHUTDOWN setting is applied only
when the desired action is "shutdown".
Signed-off-by: Lily Zhu <lizhu@redhat.com>
A variable named 'socket' clashes with the function of the same
name, causing build failures due to warnings on some platforms.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit adds the unix socket URL support to 'domdisplay' command.
Before, even if an user was using unix socket to define a spice graphics,
the command 'domdisplay' showed that the settings were not supported. Now,
the command shows the proper URL: spice+unix://foo/bar.sock.
Settings:
<graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1'>
<listen type='address' address='127.0.0.1'/>
</graphics>
<graphics type='spice'>
<listen type='socket' socket='/tmp/spice.sock'/>
</graphics>
Before:
virsh # domdisplay --all Windows7
vnc://127.0.0.1:0
After:
virsh # domdisplay --all Windows7
vnc://127.0.0.1:0
spice+unix:///tmp/spice.sock
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1336720
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Driver modules proved to be reliable for a long time. Since support for
not building modules complicates the code and makefiles drop it.
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
In Wireshark commit of 7cd6906056922e4b8 (contained in v2.4.0)
the tvb_new_subset() function was renamed to
tvb_new_subset_length_caplen(). However, we can take the extra
step and rename to tvb_new_subset_remaining() directly (see
Wireshark commit 0ecfc7280cf3d7). The reasoning is that there is
no other protocol in the packet than libvirt. Therefore, from the
point that libvirt dissector takes over till the end of the
packet it's all libvirt packet.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
While looking to implement a migrate-getmaxdowntime command (coming),
I noticed that the setmaxdowntime is incorrectly looking at its
parameter as a signed longlong. Not sure how that got past gcc, but
here's a simple patch to make the command line parsing and the parameter to
the worker functions all have the correct (unsigned) type.
Signed-off-by: Scott Garfinkle <seg@us.ibm.com>
The command 'domdisplay' is not freeing the domain pointer properly in
cleanup section. See the error below:
virsh # domdisplay WINDOWS7
vnc://127.0.0.1:0
virsh # quit
error: One or more references were leaked after disconnect from the hypervisor
Valgrind report:
==29168== 66 (56 direct, 10 indirect) bytes in 1 blocks are definitely lost in loss record 154 of 239
==29168== at 0x4C2FB55: calloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==29168== by 0x5505324: virAllocVar (viralloc.c:560)
==29168== by 0x555A61B: virObjectNew (virobject.c:199)
==29168== by 0x561F367: virGetDomain (datatypes.c:284)
==29168== by 0x5680979: get_nonnull_domain (remote_driver.c:8143)
==29168== by 0x5680979: remoteDomainLookupByName (remote_client_bodies.h:3047)
==29168== by 0x5623D9A: virDomainLookupByName (libvirt-domain.c:425)
==29168== by 0x160480: virshLookupDomainInternal (virsh-util.c:59)
==29168== by 0x160547: virshCommandOptDomainBy (virsh-util.c:98)
==29168== by 0x13D3A9: cmdDomDisplay (virsh-domain.c:10963)
==29168== by 0x165680: vshCommandRun (vsh.c:1327)
==29168== by 0x12E320: main (virsh.c:953)
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Resolves a bug in domxml-to-native command option, so that the
following command displays the help information correctly:
'virsh domxml-to-native --help'.
Signed-off-by: Daniel Liu <srwx4096@gmail.com>
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
The option allows someone to run domain-to-native on already existing
domain without the need of supplying their XML. It is basically
wrapper around 'virsh dumpxml | virsh domxml-to-native /dev/stdin'.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=835476
Signed-off-by: Daniel Liu <srwx4096@gmail.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Use ATTRIBUTE_FALLTHROUGH, introduced by commit
5d84f5961b, instead of comments to
indicate that the fall through is an intentional behavior.
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.vnet.ibm.com>
When building with clang 4.0.0, virsh build fails like this:
gmake[3]: Entering directory '/usr/home/novel/code/libvirt/tools'
CC virsh-virsh.o
In file included from virsh.c:45:
In file included from /usr/local/include/readline/readline.h:31:
/usr/local/include/readline/rltypedefs.h:35:22: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
typedef int Function () __attribute__ ((deprecated));
^
void
/usr/local/include/readline/rltypedefs.h:36:24: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
typedef void VFunction () __attribute__ ((deprecated));
^
void
/usr/local/include/readline/rltypedefs.h:37:26: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
typedef char *CPFunction () __attribute__ ((deprecated));
^
void
/usr/local/include/readline/rltypedefs.h:38:28: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
typedef char **CPPFunction () __attribute__ ((deprecated));
^
void
In file included from virsh.c:45:
/usr/local/include/readline/readline.h:385:23: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
extern int rl_message ();
^
void
5 errors generated.
gmake[3]: *** [Makefile:2823: virsh-virsh.o] Error 1
Fix that by adding -D_FUNCTION_DEF to READLINE_CFLAGS to fix *Function
related warnings and add a check for stdarg.h so we have HAVE_STDARG_H
defined that's needed by the readline headers to use proper rl_message
declaration.
Bug report on the readline mailing list:
http://lists.gnu.org/archive/html/bug-readline/2017-05/msg00004.html
Commit 24d4a0a1f removed the non-existent "dying" state from the list
of possible domain states given in the virsh manpage, but didn't
correct the count of states from 8 down to 7. This patch fixes that
mismatch by completely removing any reference to the exact number of
states (thus preventing a potential future mismatch), while wording
the sentence in a more readable/truthful manner.
Now that the node_device driver is aware of CCW devices, let's hook up
virsh so that we can filter them properly.
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Signed-off-by: Bjoern Walk <bwalk@linux.vnet.ibm.com>
Make CCW devices available to the node_device driver. The devices are
already seen by udev so let's implement necessary code for detecting
them properly.
Topologically, CCW devices are similar to PCI devices, e.g.:
+- ccw_0_0_1a2b
|
+- scsi_host0
|
+- scsi_target0_0_0
|
+- scsi_0_0_0_0
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Signed-off-by: Bjoern Walk <bwalk@linux.vnet.ibm.com>
QEMU will likely report the details of it shutting down, particularly
whether the shutdown was initiated by the guest or host. We should
forward that information along, at least for shutdown events. Reset
has that as well, however that is not a lifecycle event and would add
extra constants that might not be used. It can be added later on.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1384007
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1374126
Due to how the processing for authentication using polkit works, the
virshConnect code must first "attempt" an virConnectOpenAuth and then
check for a "special" return error code VIR_ERR_AUTH_UNAVAILABLE in
order to attempt to "retry" the authentication after performing a creation
of a pkttyagent to handle the challenge/response for the client.
However, if pkttyagent creation is not possible for the authentication
being attempted (such as perhaps a "qemu+ssh://someuser@localhost/system"),
then the same failure pattern would be returned and another attempt to
create a pkttyagent would be done. This would continue "forever" until
someone forced quit (e.g. ctrl-c) from virsh as the 'authfail' was not
incremented when creating the pkttyagent.
So add a 'agentCreated' boolean to track if we've attempted to create the
agent at least once and force a failure if that creation returned the same
error pattern.
This resolves a possible never ending loop and will generate an error:
error: failed to connect to the hypervisor
error: authentication unavailable: no polkit agent available to authenticate action 'org.libvirt.unix.manage'
NB: If the authentication was for a sufficiently privileged client, such as
qemu+ssh://root@localhost/system, then the remoteDispatchAuthList "allows"
the authentication to use libvirt since @callerUid would be 0.
The reason for introducing two capabilities, one for the device itself
(cap 'mdev') and one for the parent device listing the available types
('mdev_types'), is that we should be able to do
'virsh nodedev-list --cap' not only for existing mdev devices but also
for devices that support creation of mdev devices, since one day libvirt
might be actually able to create the mdev devices in an automated way
(just like we do for NPIV/vHBA).
https://bugzilla.redhat.com/show_bug.cgi?id=1452072
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Similarly to previous commit, implement sparse streams feature
for vol-upload. This is, however, slightly different approach,
because we must implement a function that will tell us whether
we are in a data section or in a hole. But there's no magic
hidden in here.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Add a new --sparse switch that does nothing more than
enables the sparse streams feature for this command. Among with
the switch new helper function is introduced: virshStreamSkip().
This is the callback that is called whenever daemon sends us a
hole. In the callback we reflect the hole in underlying file by
seeking as many bytes as told.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Ideally, this would be generated, but to achieve that
corresponding XDR definitions needed to go into a different .x
file. But they belong just to the one that they are right now.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
virt-install and virt-manager both default to explicitly setting
"io='native'" in the disk "driver" tag. virsh, however, does not and also
does not provide an option to specify that setting at all. As a result,
disks use a different IO mechanism (the default, "threads") when attached
post-setup using virsh. Adding this option allows users to keep disk
performance consistent for disks attached at install, and those attached
afterward.
https://bugzilla.redhat.com/show_bug.cgi?id=1330940
The virsh command 'domblkinfo' returns the capacity, allocation and phisycal
size of the devices attached in a domain. Usually, this sizes are very big
and hard to understand and calculate. This commits introduce a human readable
support to check the size of each field easilly.
For example, the command before:
virsh # domblkinfo my_domain hda
Capacity: 21474836480
Allocation: 14875545600
Physical: 21474836480
and after this patch:
virsh # domblkinfo my_domain hda --human
Capacity: 20.000G
Allocation: 13.900G
Physical: 20.000G
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The parameter is reported by virDomainGetJobStats API and
VIR_DOMAIN_EVENT_ID_JOB_COMPLETED event and it can be used to identify
the operation (migration, snapshot, ...) to which the reported
statistics belong.
https://bugzilla.redhat.com/show_bug.cgi?id=1441563
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
There are several functions in virshInit which can fail, especially
when running win32 builds under WINE. Currently virsh just exits
without reporting what error happened.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
In virsh we quite often get the domain XML just to initialize the XPath
parser so that we can extract information.
Add helpers which will simplify this by wrapping the getting of the XML
and parsing it along with error reporting.
Additionally a second helper also gets the domain object from the
parameters and releases it so that functions which need the XML as only
source of data can be simplified further.
Avoid the annoying issue where the public object freeing APIs overwrite
the error set by helper functions, since they don't invoke the callback.
The new helper remembers the error only if no previous error was set.
virDomainFree has it's quirks (does not like NULL pointers, resets
libvirt errors). Replace it by a virsh helper which will allow us to
centrally fix issues with it.
The syntax-check rule will prohibit new uses of virDomainFree.
Move virshLookupDomainBy, virshCommandOptDomainBy and
virshCommandOptDomainBy to the helper file. Additionally turn the
virshCommandOptDomainBy macro into a function.
==18591== 16 bytes in 1 blocks are definitely lost in loss record 41 of 183
==18591== at 0x4C2B934: calloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==18591== by 0x54EBB1C: virAllocN (viralloc.c:191)
==18591== by 0x1628CA: _vshMalloc (vsh.c:136)
==18591== by 0x1344C4: virshVcpuPinQuery (virsh-domain.c:6603)
==18591== by 0x1344C4: cmdVcpuPin (virsh-domain.c:6707)
==18591== by 0x1631BF: vshCommandRun (vsh.c:1312)
==18591== by 0x12DBB1: main (virsh.c:961)
Introduce STRICT_FRAME_LIMIT_CFLAGS that will be used for
production code and RELAXED_FRAME_LIMIT_CFLAGS for tests.
Raising the limit for tests allows building them with clang
with optimizations disabled.
qemu requires that the topology equals to the maximum vcpu count.
Document this along with the API to set maximum vcpu count and the XML
element.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1426220
https://bugzilla.redhat.com/show_bug.cgi?id=1398087
Clean up the virsh man page description for --pool-create-as in order
to better describe how the various arguments are used when creating
(or defining) a logical pool.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1398087
Clean up the virsh man page description for --pool-create-as in order
to better describe how the various arguments are used when creating
(or defining) a logical pool.
Also modify the storage pool XML parsing algorithm to check for the
mismatched "name" and "source-name".
Move the --print-xml to the end of the qualifiers since it's not
properly positionally situated for both --pool-create-as and --pool-define-as
and could be miscontrued as being the 3rd positional argument.
Management tools may want to check whether the threshold is still set if
they missed an event. Add the data to the bulk stats API where they can
also query the current backing size at the same time.
When using thin provisioning, management tools need to resize the disk
in certain cases. To avoid having them to poll disk usage introduce an
event which will be fired when a given offset of the storage is written
by the hypervisor. Together with the API which will be added later, it
will allow registering thresholds for given storage backing volumes and
this event will then notify management if the threshold is exceeded.
Add bhyve support to virt-host-validate(1). It checks for the
essential kernel modules to be available so that user can actually
start VMs, have networking and console access.
It uses the kldnext(2)/kldstat(2) routines to retrieve modules list.
As bhyve is only available on FreeBSD and these routines were available
long before bhyve appeared, not adding any specific configure checks
for that.
Also, update tools/Makefile.am to add
virt-host-validate-$driver.[hc] to the build only if the
appropriate driver is enabled.
In GCC 7 there is a new warning triggered when a switch
case has a conditional statement (eg if ... else...) and
some of the code paths fallthrough to the next switch
statement. e.g.
conf/domain_conf.c: In function 'virDomainChrEquals':
conf/domain_conf.c:14926:12: error: this statement may fall through [-Werror=implicit-fallthrough=]
if (src->targetTypeAttr != tgt->targetTypeAttr)
^
conf/domain_conf.c:14928:5: note: here
case VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE:
^~~~
conf/domain_conf.c: In function 'virDomainChrDefFormat':
conf/domain_conf.c:22143:12: error: this statement may fall through [-Werror=implicit-fallthrough=]
if (def->targetTypeAttr) {
^
conf/domain_conf.c:22151:5: note: here
default:
^~~~~~~
GCC introduced a __attribute__((fallthrough)) to let you
indicate that this is intentionale behaviour rather than
a bug.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Alter the formatting of each line to not give the appearance of
one long run-on sentence and to be consistent between the various
elements of collected/displayed data. The formatting should fit
within the 80 character display. This removes the need for commas
at the end of each line.
After 7f1bdec5fa our nodedev driver is capable of
determining DRM devices (DRM stands for Direct Render Manager not
Digital rights management). There is still one bit missing
though: virConnectListAllNodeDevices() is capable of listing
either all devices or just those with specified capability. Well,
DRM capability is missing there.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
All options started with underscores, but we switched them to dashes
later on, making the style consistent. The latest addition, however,
did not respect that, so let's change that as well. It is tempting to
just change the name instead of adding alias, especially since nobody
ever used it, which we know thanks to the fact that it didn't work.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Function vshCommandOptStringReq() returns -1 on error and 0 on
success. The code, however, used the 'group_name' variable only if it
returned 1 (never).
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
As LIBVIRT_DEBUG=4 logs only error messages and there
are no levels above it, adjusting the description in
the man page accordingly.
Signed-off-by: Nitesh Konkar <nitkon12@linux.vnet.ibm.com>
This commit is similar to commit 0977ada8.The virsh manpage
lists options --uuid and --name as mutually exclusive if
option --details is specified when actually the option
--details is mutually exclusive and can't go with options
--uuid and/or --name. This patch rewords the virsh manpage
to state the correct meaning.
Signed-off-by: Nitesh Konkar <nitkon12@linux.vnet.ibm.com>
Added general definitions for vstorage pool backend including
the build options to add --with-storage-vstorage checking.
In order to use vstorage as a backend for a storage pool
vstorage tools (vstorage and vstorage-mount) need to be installed.
Signed-off-by: Olga Krishtal <okrishtal@virtuozzo.com>
The recent deprecation in glibc (commit b76e065991ec) means the
module will fail to build entirely:
nss/libvirt_nss.c: In function '_nss_libvirt_gethostbyname_r':
nss/libvirt_nss.c:363:13: error: RES_USE_INET6 is deprecated [-Werror]
int af = ((_res.options & RES_USE_INET6) ? AF_INET6 : AF_INET);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This resolver option was removed shortly after being introduced,
and application using it are already broken anyway.
This patch will allow --uuid and --name in one cmd.
The pool's UUID and name will be printed side by side.
Signed-off-by: Chen Hanxiao <chenhanxiao@gmail.com>
