The addition of emulator pinning APIs didn't think of doing the right
job with python APIs for them. The default generator produced unusable
code for this.
This patch switches to proper code as in the case of domain Vcpu pining.
This change can be classified as a python API-breaker but in the state
the code was before I doubt anyone was able to use it successfully.
Some code mistakenly called virIdentityOnceInit directly
instead of virIdentityInitialize(). This meant that one-time
initializer was run many times with predictably bad results.
The VIR_ERR_NO_SUPPORT error code is reserved for cases where an
API is not implemented in a driver. It definitely should not be
used when an API execution fails due to unsupported operation.
The recent commit moved some of the use of libnuma out of the
driver code, and into src/util/. It did not, however, update
libvirt_util.la to link against libnuma. This caused linkage
failure with virt-aa-helper, since nothing else caused libnuma
to be pulled onto the linker command line.
The fix removes all reference to NUMACTL_LIBS/CFLAGS from the
various modules in src/Makefile.am and just adds them to the
libvirt_util.la module, which everything else depends on.
Technically a build-breaker fix, but wanted to wait for feedback
on this
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
We should record the new disk src in the shared disk table for
updating disk (CD-ROM or Floppy) API. Fortunately, we only allow
to update the disk source now, otherwise we might also want to
set the unpriv_sgio setting.
For example:
>>> dom.memoryStats()
libvir: QEMU Driver error : Requested operation is not valid:\
domain is not running
There are six such python API functions like so.
The root reason is that generator.py script checks the type of return
value of a python stub function defined in libvirt-api.xml or
libvirt-override-api.xml to see whether to add the raise clause or not
in python wrapper code in libvirt.py.
The type of return value is supposed to be C types.
For those stub functions which return python non-integer data type like
string, list, tuple, dictionary, the existing type in functions varies
from each other which leads problem like this.
Currently, in generator.py, it maintains a buggy whitelist for stub functions
returning a list type. I think it is easy to forget adding new function name
in the whitelist.
This patch makes the value of type consistent with C type "char *"
in libvirt-override-api.xml. For python, any of types could be printed
as string, so I choose "char *" in this case. And the comment in xml
could explain it when adding new function definition.
<function name='virNodeGetCPUStats' file='python'>
...
- <return type='virNodeCPUStats' info='...'/>
+ <return type='char *' info='...'/>
...
</function>
This plumbs in the XML description of iSCSI shares. The next patches
will add support for the libiscsi userspace initiator.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Now that VCPU number are removed from qemu_monitor_text.c
(commit cc78d7ba), VCPU string checking also should be removed.
Report-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Li Zhang <zhlcindy@linux.vnet.ibm.com>
but libvirt is built with --with-selinux. In this case getpeercon
returns ENOPROTOOPT so don't return an error in that case but simply
don't set seccon.
Clarify that net-create deals with a transient virtual
network whereas net-define defines a persistent virtual
network definition and will create the network (xml)
definition file.
Clarify that net-destroy works with both transient and
persistent virtual networks.
Signed-off-by: Gene Czarcinski <gene@czarc.net>
The storage volume formats supported by the disk storage pool are
missing from the allowed values.
Add partition types.
Signed-off-by: Philipp Hahn <hahn@univention.de>
iSCSI qualified names (iqn) from RFC3721 may contain colons (':'), which
neither matches the absFilePath nor genericName:
$ virsh pool-dumpxml myiscsipool
<pool type='iscsi'>
...
<source>
...
<device path='iqn.2003-01.org.linux-iscsi.phahn-sid93.x8664:sn.8a3daa0d4efd'/>
</source>
...
</pool>
Add IscsiQualifiedName type and allow its use in sourceiscsi.
Signed-off-by: Philipp Hahn <hahn@univention.de>
The virNetSocket & virIdentity classes accidentally got some
conditionals using HAVE_SELINUX instead of WITH_SELINUX.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Intend to reduce the redundant code,use virNumaSetupMemoryPolicy
to replace virLXCControllerSetupNUMAPolicy and
qemuProcessInitNumaMemoryPolicy.
This patch also moves the numa related codes to the
file virnuma.c and virnuma.h
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Allow lxc using the advisory nodeset from querying numad,
this means if user doesn't specify the numa nodes that
the lxc domain should assign to, libvirt will automatically
bind the lxc domain to the advisory nodeset which queried from
numad.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
qemuGetNumadAdvice will be used by LXC driver, rename
it to virNumaGetAutoPlacementAdvice and move it to virnuma.c
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
The "dtb" option sets the filename for the device tree.
If without this option support, "-dtb file" will be converted into
<qemu:commandline> in domain XML file.
For example, '-dtb /media/ram/test.dtb' will be converted into
<qemu:commandline>
<qemu:arg value='-dtb'/>
<qemu:arg value='/media/ram/test.dtb'/>
</qemu:commandline>
This is not very friendly.
This patchset add special <dtb> tag like <kernel> and <initrd>
which is easier for user to write domain XML file.
<os>
<type arch='ppc' machine='ppce500v2'>hvm</type>
<kernel>/media/ram/uImage</kernel>
<initrd>/media/ram/ramdisk</initrd>
<dtb>/media/ram/test.dtb</dtb>
<cmdline>root=/dev/ram rw console=ttyS0,115200</cmdline>
</os>
Signed-off-by: Eric Blake <eblake@redhat.com>
When building with --without-libvirtd and udev support is detected we
will fail to build with the following error:
node_device/node_device_udev.c:1608:37: error: unknown type name
'virStateInhibitCallback'
To prevent confusion with configure's popular name
for a file, rename conftest.c to test_conf.c which
is consistent with the invoking test_conf.sh
Signed-off-by: Gene Czarcinski <gene@czarc.net>
virStorageBackendRBDRefreshPool() first allocates an array big enough
to hold 1024 names, then calls rbd_list(), which returns ERANGE if the
array isn't big enough. When that happens, the VIR_ALLOC_N is called
again with a larger size. Unfortunately, the original array isn't
freed before allocating a new one.
The LXC controller is closing loop devices as soon as the
container has started. This is fine if the loop device
was setup as a mounted filesystem, but if we're just passing
through the loop device as a disk, nothing else is keeping
it open. Thus we must keep the loop device FDs open for as
long the libvirt_lxc process is running.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Currently the LXC controller creates the cgroup, configures the
resources and adds the task all in one go. This is not sufficiently
flexible for the forthcoming NBD integration. We need to make sure
the NBD process gets into the right cgroup immediately, but we can
not have limits (in particular the device ACL) applied at the point
where we start qemu-nbd. So create a virLXCCgroupCreate method
which creates the cgroup and adds the current task to be called
early, and leave virLXCCgroupSetup to only do resource config.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
When dispatching an RPC API call, setup the current identity to
hold the identity of the network client associated with the
RPC message being dispatched. The setting is thread-local, so
only affects the API call in this thread
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Add APIs which allow creation of a virIdentity from the info
associated with a virNetServerClientPtr instance. This is done
based on the results of client authentication processes like
TLS, x509, SASL, SO_PEERCRED
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
If no user identity is available, some operations may wish to
use the system identity. ie the identity of the current process
itself. Add an API to get such an identity.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
To allow any internal API to get the current identity, add APIs
to associate a virIdentityPtr with the current thread, via a
thread local
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Introduce a local object virIdentity for managing security
attributes used to form a client application's identity.
Instances of this object are intended to be used as if they
were immutable, once created & populated with attributes
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
A socket object has various pieces of security data associated
with it, such as the SELinux context, the SASL username and
the x509 distinguished name. Add new APIs to virNetServerClient
and related modules to access this data.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Commit 82d5fe5437
qemu: check backing chains even when cgroup is omitted
added backing file checks just before the code that removes optional
disks if they are not present. However, the backing chain code fails in
case the disk file does not exist, which makes qemuProcessStart fail
regardless on configured startupPolicy.
Note that startupPolicy implementation is still wrong after this patch
since it only check the first file in a possible chain. It should rather
check the complete backing chain. But this is an existing limitation
that can be solved later. After all, startupPolicy is most useful for
CDROM images and they won't make use of backing files in most cases.
QEMU 1.3 and newer support an alternative URI-based syntax to specify
the location of an NBD server. Libvirt can keep on using the old
syntax in general, but only the URI syntax supports IPv6 addresses.
The URI syntax also supports relative paths to Unix sockets. These
should never be used but aren't explicitly blocked either by the parser,
so support it just in case.
The URI syntax is intentionally compatible with Gluster's, and the
code can be reused.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
This reuses the XML format that was introduced for Gluster.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
These are supported by nbd-server and by the NBD server that QEMU
embeds for live image access.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Move the code to an external function, and structure it to prepare
the addition of new features in the next few patches.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Enable more testing of NBD parsing, to ensure rewrites work.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
We've already scrubbed for comparisons of 'uid_t == -1' (which fail
on platforms where uid_t is a u16), but another one snuck in.
* src/util/virutil.c (virSetUIDGIDWithCaps): Correct uid comparison.
* cfg.mk (sc_prohibit_risky_id_promotion): New rule.
QEMU added -drive in 2007, and NBD in 2008. Both appeared first in
release 0.10.0. Thus the code to support network disks without -drive
is dead, and in fact it incorrectly escapes commas. Drop it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
After we switched to C99 initialization, I noticed there were many
places where the specification of .flags parameter differed. After
going through many options and deciding whether to unify the
initialization to be '.flags = 0' or '.flags = VSH_OFLAG_NONE', I
realized both can be removed and it makes the code easier to go
through.
According to the man page, the memspec parameter should have the
'--memspec' option mandatory and this is as close as we can get to
that. What this change does is explained below.
man virsh:
snapshot-create-as ... [[--live] [--memspec memspec]]
virsh help snapshot-create-as before this patch:
SYNOPSIS
snapshot-create-as ... [<memspec>] ...
...
OPTIONS
[--memspec] <string> ...
virsh help snapshot-create-as after this patch:
SYNOPSIS
snapshot-create-as ... [--memspec <string>] ...
...
OPTIONS
--memspec <string> ...
When getting CPUs' information, it assumes that CPU indexes
are not contiguous. But for ppc64 platform, CPU indexes are not
contiguous because SMT is needed to be disabled, so CPU information
is not right on ppc64 and vpuinfo, vcpupin can't work corretly.
This patch is to remove the assumption to be compatible with ppc64.
Test:
4 vcpus are assigned to one VM and execute vcpuinfo command.
Without patch: There is only one vcpu informaion can be listed.
With patch: All vcpus' information can be listed correctly.
Signed-off-by: Li Zhang <zhlcindy@linux.vnet.ibm.com>
