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So after da176bf6b7 and friend we have switched to $(wildcard
some/path/*.xml) instead of enumerating the files explicitly.
This is nice, however it makes distcheck build from VPATH fail.
The reason is that it's is not obvious to what does the wildcard
refer to: srcdir or builddir?
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
memory_dirty_rate corresponds to dirty-pages-rate in QEMU and
memory_iteration is what QEMU reports in dirty-sync-count.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Commmit df8192aa introduced admin related rename and some minor
(caused by automated approach, aka sed) and some more severe isues along with
it. First reason to revert is the inconsistency with libvirt library.
Although we deal with the daemon directly rather than with a specific
hypervisor, we still do have a connection. That being said, contributors might
get under the impression that AdmDaemonNew would spawn/start a new daemon
(since it's admin API, why not...), or AdmDaemonClose would do the exact
opposite or they might expect DaemonIsAlive report overall status of the daemon
which definitely isn't the case.
The second reason to revert this patch is renaming virt-admin client. The
client tool does not necessarily have to reflect the names of the API's it's
using in his internals. An example would be 's/vshAdmConnect/vshAdmDaemon'
where noone can be certain of what the latter function really does. The former
is quite expressive about some connection magic it performs, but the latter does
not say anything, especially when vshAdmReconnect and vshAdmDisconnect were
left untouched.
https://bugzilla.redhat.com/show_bug.cgi?id=830056
Add flags handling to the virStoragePoolCreate and virStoragePoolCreateXML
API's which will allow the caller to provide the capability for the storage
pool create API's to also perform a pool build during creation rather than
requiring the additional buildPool step. This will allow transient pools
to be defined, built, and started.
The new flags are:
* VIR_STORAGE_POOL_CREATE_WITH_BUILD
Perform buildPool without any flags passed.
* VIR_STORAGE_POOL_CREATE_WITH_BUILD_OVERWRITE
Perform buildPool using VIR_STORAGE_POOL_BUILD_OVERWRITE flag.
* VIR_STORAGE_POOL_CREATE_WITH_BUILD_NO_OVERWRITE
Perform buildPool using VIR_STORAGE_POOL_BUILD_NO_OVERWRITE flag.
It is up to the backend to handle the processing of build flags. The
overwrite and no-overwrite flags are mutually exclusive.
NB:
This patch is loosely based upon code originally authored by Osier
Yang that were not reviewed and pushed, see:
https://www.redhat.com/archives/libvir-list/2012-July/msg01328.html
virAdmConnect was named after virConnect, but after some discussions,
most of the APIs called will be working with remote daemon and starting
them virAdmDaemon will make more sense. Only possibly controversal name
is CloseCallback (de)registration, and connecting to the daemon (which
will still be Open/Close), but even this makes sense if one thinks about
the daemon being opened and closed, e.g. as file, etc.
This way all the APIs working with the daemon will start with
virAdmDaemon prefix, they will accept virAdmDaemonPtr as first parameter
and that will better suit with other namings as well (virDomain*,
virAdmServer*, etc.).
Because in virt-admin, the connection name does not refer to a struct
that would have a connect in its name, also adjust 'connname' in
clients. And because it is not used anywhere in the vsh code, move it
from there into each client.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Introduce a new API to get libvirt version. It is worth noting, that
libvirt-admin and libvirt share the same version number. Unfortunately,
our existing API isn't generic enough to be used with virAdmConnectPtr
as well. Also this patch wires up this API to the virt-admin client
as a generic cmdVersion command.
As we need a client disconnect handler, we also need a mechanism to register
such handlers for a client. This patch introduced both the close callbacks and
also the client vshAdmCatchDisconnect handler to be registered with it. By
registering the handler we still need to make sure the client can react to
daemon's events like disconnect or keepalive, so asynchronous I/O event polling
is necessary to be enabled too.
Since most of our APIs rely on an acive functional connection to a daemon and
we have such a mechanism in libvirt already, there's need to have such a way in
libvirt-admin as well. By introducing a new public API, this patch provides
support to check for an active connection.
Unfortunately, client side version retrieval API virGetVersion uses
one-time initialization (due to the fact we might not have initialized the
library by calling connect prior to this) which is not completely compatible
with admin initialization. This API is rather simplistic and reimplementing
it for admin might be the preferred method of reusing it. Note that even though
the method will be reimplemented, the version number is still the same for both
the libvirt and libvirt-admin library.
As it turned out, we need to share some enums and declarations between
libvirt.h and libvirt-admin.h, but since our policy forbids direct includes of
libvirt*.h, there has to be some header exempt from this rule. This patch moves
the relevant part of code from libvirt.h.in to libvirt-common.h.in. Moreover,
since there is no need to have libvirt.h generated anymore, introduce a new
header libvirt.h which was previosly ignored from git and make the common
header ignored and generated instead.
Copy the virtlockd codebase across to form the initial virlogd
code. Simple search & replace of s/lock/log/ and gut the remote
protocol & dispatcher. This gives us a daemon that starts up
and listens for connections, but does nothing with them.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
When a RBD volume has snapshots it can not be removed.
This patch introduces a new flag to force volume removal,
VIR_STORAGE_VOL_DELETE_WITH_SNAPSHOTS.
With this flag any existing snapshots will be removed prior to
removing the volume.
No existing mechanism in libvirt allowed us to pass such information,
so that's why a new flag was introduced.
Signed-off-by: Wido den Hollander <wido@widodh.nl>
Also, among with this new API new ACL that restricts rename
capability is invented too.
Signed-off-by: Tomas Meszaros <exo@tty.sk>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This is a public library, it shouldn't include anything that is
internal. Including the library in it's current state to an example
application fails the preprocessor phase.
virDomainMigrateFinish* APIs were unfortunately designed to return the
pointer to the domain on destination and NULL on error. This looks OK in
normal cases but the same API is also called when we know migration
failed and thus we expect Finish to return NULL even if it actually did
all it was supposed to do without any error. The call is defined to
return nonnull domain pointer over RPC, which means returning NULL will
always result in an error being send. If this was not in fact an error,
the API itself wouldn't set anything to the thread local virError, which
makes the RPC layer come up with it's own "Library function returned
error but did not set virError" error.
This is quite confusing and also hard to detect by the caller. This
patch adds a special error code which can be used to check that Finish
successfully aborted migration.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Don't listen on the admin socket in the daemon and comment out the
admin devel files out of specfile.
Library is still being compiled and installed in order to link easily
without any disturbing modifications to the daemon code.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
This patch provides support for a new watchdog action "inject-nmi" which
allows to define an inject of a non-maskable interrupt into a guest.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: Daniel Hansel <daniel.hansel@linux.vnet.ibm.com>
Reviewed-by: Stefan Zimmermann <stzi@linux.vnet.ibm.com>
Reviewed-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1203032
Implement a `migrate_disks' parameters for the QEMU driver. This multi-
value parameter can be used to explicitly specify what block devices
are to be migrated using the NBD server. Tunnelled migration using NBD
is to be done.
Signed-off-by: Pavel Boldin <pboldin@mirantis.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
The `virTypedParamsAddStringList' function provides interface to add a
NULL-terminated array of string values as a multi-value to the params.
Signed-off-by: Pavel Boldin <pboldin@mirantis.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Just one of the simplest functions that returns string "Clients: X"
where X is the number of connected clients to daemon's first
subserver (the original one), so it can be tested using virsh, ipython,
etc.
The subserver is gathered by incrementing its reference
counter (similarly to getting qemu capabilities), so there is no
deadlock with admin subserver in this API.
Here you can see how functions should be named in the client (virAdm*)
and server (adm*).
There is also a parameter @flags that must be 0, which helps testing
proper error propagation into the client.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Initial scratch of the admin library. It has its own virAdmConnectPtr
that inherits from virAbstractConnectPtr and thus trivially supports
error reporting.
There's pkg-config file added and spec-file adjusted as well.
Since the library should be "minimalistic" and not depend on any other
library, the list of files is especially crafted for it. Most of them
could've been put to it's own sub-libraries that would be LIBADD'd to
libvirt_util, libvirt_net_rpc and libvirt_setuid_rpc_client to minimize
the number of object files being built, but that's a refactoring that
isn't the orginal aim of this commit.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
For setting passwords of users inside the domain.
With the VIR_DOMAIN_PASSWORD_ENCRYPTED flag set, the password
is assumed to be already encrypted by the method required
by the guest OS.
https://bugzilla.redhat.com/show_bug.cgi?id=1174177
On the s/390x architecture, libvirt may already return 0 in the
node_info->mhz field (see src/nodeinfo.c:linuxNodeInfoCPUPopulate).
We may also want to return this on aarch64 in future, because
calculating the proper value requires SMBIOS, which is not available
on non-server-class systems (specifically on systems which don't
adhere to the SBSA standard).
Therefore this change documents the existing behaviour and provides a
valid path for aarch64.
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Bug-URL: https://bugzilla.redhat.com/1206353
virDomainGetJobStats is able to report statistics of a completed
migration, however to get usable downtime and total time statistics both
hosts have to keep synchronized time. To provide at least some
estimation of the times even when NTP daemons are not running on both
hosts we can just ignore the time needed to transfer a migration cookie
to the destination host. The result will be also inaccurate but a bit
more predictable. The total/down time will just be at least what we
report.
https://bugzilla.redhat.com/show_bug.cgi?id=1213434
When we shutdown/reboot a guest using agent-mode, if the guest itself blocks infinitely,
libvirt would block in qemuAgentShutdown() forever.
Thus, we set a timeout for shutdown/reboot, from our experience, 60 seconds would be fine.
Signed-off-by: Zhang Bo <oscar.zhangbo@huawei.com>
Signed-off-by: Wang Yufei <james.wangyufei@huawei.com>
Each thread can use a thread local variable to keep the name of a job
which is currently running in the job.
The virThreadJobSetWorker API is supposed to be called once by any
thread which is used as a worker, i.e., it is waiting in a pool, woken
up to do a job, and returned back to the pool.
The virThreadJobSet/virThreadJobClear APIs are to be called at the
beginning/end of each job.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Wikipedia's list of common misspellings [1] has a machine-readable
version. This patch fixes those misspellings mentioned in the list
which don't have multiple right variants (as e.g. "accension", which can
be both "accession" and "ascension"), such misspellings are left
untouched. The list of changes was manually re-checked for false
positives.
[1] https://en.wikipedia.org/wiki/Wikipedia:Lists_of_common_misspellings/For_machines
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
When libvirt is starting a domain, it reports the state as SHUTOFF until
it's RUNNING. This is not ideal because domain startup may take a long
time (usually because of some configuration issues, firewalls blocking
access to network disks, etc.) and domain lists provided by libvirt look
awkward. One can see weird shutoff domains with IDs in a list of active
domains or even shutoff transient domains. In any case, it looks more
like a bug in libvirt than a normal state a domain goes through.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Not all NICs (esp. the virtual ones like TUN) must have a hardware
address. Teach our RPC that it's possible.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Define helper function virDomainInterfaceFree, which allows
the upper layer application to free the domain interface object
conveniently.
The API is going to provide multiple methods by flags, e.g.
* Query guest agent
* Parse DHCP lease file
include/libvirt/libvirt-domain.h
* Define virDomainInterfaceAddresses, virDomainInterfaceFree
* Define structs virDomainInterface, virDomainIPAddress
src/driver-hypervisor.h:
* Define domainInterfaceAddresses
src/libvirt-domain.c:
* Implement virDomainInterfaceAddresses
* Implement virDomainInterfaceFree
src/libvirt_public.syms:
* Export the new symbols
Signed-off-by: Nehal J Wani <nehaljw.kkd1@gmail.com>
Add virDomainPinIOThread to allow setting the CPU affinity for a specific
IOThread based on the output generated from virDomainGetIOThreadsInfo
The API supports updating both the --live domain and the --config data
Add virDomainGetIOThreadInfo in order to return a list of
virDomainIOThreadInfoPtr structures which list the IOThread ID
and the CPU Affinity map for each IOThread for the domain.
For an active domain, the live data will be returned, while for
an inactive domain, the config data will be returned.
The API supports either the --live or --config flag, but not both.
Also added virDomainIOThreadsInfoFree in order to free the cpumap
and the IOThreadInfo structure.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Previously when a domain would get stuck in a domain job due to a
programming mistake we'd report the following control state:
$ virsh domcontrol domain
occupied (1424343406.150s)
The timestamp is invalid as the monitor was not entered for that domain.
We can use that to detect that the domain has an active job and report a
better error instead:
$ virsh domcontrol domain
error: internal (locking) error
When creating a RAW file, we don't take advantage
of clone of btrfs.
Add a VIR_STORAGE_VOL_CREATE_REFLINK flag to request
a reflink copy.
Signed-off-by: Chen Hanxiao <chenhanxiao@cn.fujitsu.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
The virDomainDefineXMLFlags and virDomainCreateXML APIs both
gain new flags allowing them to be told to validate XML.
This updates all the drivers to turn on validation in the
XML parser when the flags are set
The virDomainDefineXML method is one of the few that still lacks
an 'unsigned int flags' parameter. This will be needed for adding
XML validation to this API. virDomainCreateXML fortunately already
has flags.
