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Ever since virDomainCreateWithFlags() was introduced by de3aadaa
[drivers: add virDomainCreateWithFlags if virDomainCreate exists], the
domain ID retrieved with virDomainGetID() was incorrect for several
drivers after virDomainCreateWithFlags() was called. The API consumer
had to look up the domain anew to retrieve the correct ID.
For the ESX driver, this was fixed in 6139b274 [esx: Update ID after
starting a domain]. For the openvz driver, it was fixed in fd81a097
[openvzDomainCreateWithFlags: set domain id to the correct value]. The
test driver, the OpenNebula driver (removed in the meantime) and the
vbox driver were already updating the domain ID correctly in
domainCreate().
Copy over the ID in qemuDomainCreateWithFlags() to fix this for the qemu
driver, too.
Fixes: de3aadaa ("drivers: add virDomainCreateWithFlags if virDomainCreate exists")
Reported-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Tested-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
==2064442== 200 (88 direct, 112 indirect) bytes in 1 blocks are definitely lost in loss record 54 of 73
==2064442== at 0x4C2E0F0: calloc (vg_replace_malloc.c:711)
==2064442== by 0x18E75B80: virAllocVar (viralloc.c:560)
==2064442== by 0x18EC43B0: virObjectNew (virobject.c:193)
==2064442== by 0x18EC476E: virObjectLockableNew (virobject.c:219)
==2064442== by 0x1906BC73: virSecurityManagerNewDriver (security_manager.c:93)
==2064442== by 0x1906C076: virSecurityManagerNewStack (security_manager.c:115)
==2064442== by 0x43CC39: qemuTestDriverInit (testutilsqemu.c:548)
==2064442== by 0x4337ED: mymain (qemumonitorjsontest.c:2440)
==2064442== by 0x43BABE: virTestMain (testutils.c:982)
==2064442== by 0x43A490: main (qemumonitorjsontest.c:2558)
Consider the following XML snippet:
<memory model=''>
<target>
<size unit='KiB'>523264</size>
<node>0</node>
</target>
</memory>
Whats wrong you ask? The @model attribute. This should result in
an error thrown into users faces during virDomainDefine phase.
Except it doesn't. The XML validation catches this error, but if
users chose to ignore that, they will end up with invalid XML.
Well, they won't be able to start the machine - that's when error
is produced currently. But it would be nice if we could catch the
error like this earlier.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
The original name 'admin_uri_default' was introduced to our code by commit
dbecb87f. However, at that time we already had a separate config file for
admin library but the commit mentioned above didn't properly adjust the
config's option name. The result is that when we're loading the config, we
check a non-existent config option (there's not much to do with the URIs
anyway, since we only allow local connection). Additionally, virt-admin's man
page documents, that the default URI can be altered by setting
admin_uri_default option. So the fix proposed by this patch leaves the
libvirt-admin.conf as is and adjusts the naming in the code as well as in the
virt-admin's man page.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
In wireshark commit bbdd89b9 (contained in 2.1.0 release) they
have changed prototype of dissector function. Now it returns
number of bytes consumed by the dissector, and can get a pointer
to user specified data (which we don't use).
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1356436
Commit id '56057900' altered the discovery of iSCSI node targets by
using the "--op nonpersistent". This caused issues for clean environments
or if by chance a "-m node -o delete" was executed.
Since each iSCSI Storage Pool has the required iSCSI target path, use
that and the virISCSINodeNew API in order to generate the iSCSI node record.
https://bugzilla.redhat.com/show_bug.cgi?id=1356436
According to RFC 3721 (https://www.ietf.org/rfc/rfc3721.txt), there are
two ways to "discover" targets in/for the iSCSI environment. Discovery
is the process which allows the initiator to find the targets to which
it has access and at least one address at which each target may be
accessed.
The method currently implemented in libvirt using the virISCSIScanTargets
API is known as "SendTargets" discovery. This method is more useful when
the target IP Address and TCP port information are available, e.g. in
libvirt terms the "portal". It returns a list of targets for the portal.
From that list, the target can be found. This operation can also fill an
iSCSI node table into which iSCSI logins may occur. Commit id '56057900'
altered that filling by adding the "--op nonpersistent" since it was
not necessarily desired to perform that for non libvirt related targets.
The second method is "Static Configuration". This method not only needs
the IP Address and TCP port (e.g. portal), but also the iSCSI target name.
In libvirt terms this would be the device path field from the iSCSI pool
<source> XML. This patch implements the second methodology using that
required device path as the targetname.
Since commit 834c5720 which extracted the generic functionality out of virsh
and made it available for other clients like virt-admin to make use of it, it
also introduced a bug when it renamed the original VIRSH_ environment variables
to VSH_ variables. Virt-admin of course suffers from the same bug, so this
patch modifies the generic module vsh.c to construct the correct name for
environment variables of each client from information it has.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1357363
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Well, the reason behind this change is that if the function is extended in some
way that e.g. would involve allocation we do not have a way of telling it to
the caller. More specifically, vshInitDebug only relies on some hardcoded
environment variables (by a mistake) that aren't documented anywhere so neither
virsh's nor virt-admin's documented environment variables take effect. One
possible solution would be duplicate the code for each CLI client or leave the
method be generic and provide means that it could figure out, which client
called it, thus initializing the proper environment variables but that could
involve operations that might as well fail in certain circumstances and the
caller should know that an error occurred.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
My compiler identified some variables that were set, but never
actually used. For instance, opts_required, and data_acomplete.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This function tries to look up desired option for a given parsed
command. Upon successful return it also stores option position
into passed *opt_index. Now, this variable is type of int, even
though it is never ever used to store negative value. Moreover,
the variable is set from a local variable which is type of
size_t.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This previous commit
commit cd9fcc8be7
Author: Michal Privoznik <mprivozn@redhat.com>
Date: Wed Jul 27 16:58:32 2016 +0200
libvirt.spec.in: Adapt to newest wireshark plugindir
Adapted the libvirt spec for wireshark >= 2.1.0 but
this ignored the fact that we enable wireshark from
Fedora 21 and 2.1.0 was only added in Fedora 24
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The current LUKS support has a "luks" volume type which has
a "luks" encryption format.
This partially makes sense if you consider the QEMU shorthand
syntax only requires you to specify a format=luks, and it'll
automagically uses "raw" as the next level driver. QEMU will
however let you override the "raw" with any other driver it
supports (vmdk, qcow, rbd, iscsi, etc, etc)
IOW the intention though is that the "luks" encryption format
is applied to all disk formats (whether raw, qcow2, rbd, gluster
or whatever). As such it doesn't make much sense for libvirt
to say the volume type is "luks" - we should be saying that it
is a "raw" file, but with "luks" encryption applied.
IOW, when creating a storage volume we should use this XML
<volume>
<name>demo.raw</name>
<capacity>5368709120</capacity>
<target>
<format type='raw'/>
<encryption format='luks'>
<secret type='passphrase' uuid='0a81f5b2-8403-7b23-c8d6-21ccd2f80d6f'/>
</encryption>
</target>
</volume>
and when configuring a guest disk we should use
<disk type='file' device='disk'>
<driver name='qemu' type='raw'/>
<source file='/home/berrange/VirtualMachines/demo.raw'/>
<target dev='sda' bus='scsi'/>
<encryption format='luks'>
<secret type='passphrase' uuid='0a81f5b2-8403-7b23-c8d6-21ccd2f80d6f'/>
</encryption>
</disk>
This commit thus removes the "luks" storage volume type added
in
commit 318ebb36f1
Author: John Ferlan <jferlan@redhat.com>
Date: Tue Jun 21 12:59:54 2016 -0400
util: Add 'luks' to the FileTypeInfo
The storage file probing code is modified so that it can probe
the actual encryption formats explicitly, rather than merely
probing existance of encryption and letting the storage driver
guess the format.
The rest of the code is then adapted to deal with
VIR_STORAGE_FILE_RAW w/ VIR_STORAGE_ENCRYPTION_FORMAT_LUKS
instead of just VIR_STORAGE_FILE_LUKS.
The commit mentioned above was included in libvirt v2.0.0.
So when querying volume XML this will be a change in behaviour
vs the 2.0.0 release - it'll report 'raw' instead of 'luks'
for the volume format, but still report 'luks' for encryption
format. I think this change is OK because the storage driver
did not include any support for creating volumes, nor starting
guets with luks volumes in v2.0.0 - that only since then.
Clearly if we change this we must do it before v2.1.0 though.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Refactor the virStorageFileMatchesNNN methods so that
they don't take a struct FileFormatInfo parameter, but
instead get the actual raw dat items they needs. This
will facilitate reuse in other contexts.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
In the old days, when wireshark plugin was introduced it was
installed under /usr/lib64/wireshark/plugins/$VERSION/ while with
wireshark-2.1.0 this path has changed just to
/usr/lib64/wireshark/plugins. We should teach our spec file about
this change.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
So, when building wireshark plugin, we get the plugindir variable
from the wireshark.pc as well as prefix. Then we replace the
prefix in the plugindir with our own prefix where libvirt is
building to:
plugindir="${prefix}${plugindir#ws_prefix}"
However, as you can see, there's '$' missing in front of the
ws_prefix variable. This results in the mangled plugindir, for
instance like this:
plugindir='/usr/usr/lib64/wireshark/plugins'
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
To collect all balloon statistics for all guests it was necessary to make
several libvirt requests. Now it's possible to get all balloon statiscs via
single connectGetAllDomainStats call.
Signed-off-by: Derbyshev Dmitry <dderbyshev@virtuozzo.com>
There's been a forgotten fragment (copy-paste error probably) in the
virt-admin's man page referring the reader to our web page on how to construct
URIs in case of remote access, which sort of implies that we support it which
we don't at the moment, so better remove that.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
To allow using failover with gluster it's necessary to specify multiple
volume hosts. Add support for starting qemu with such configurations.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
To allow richer definitions of disk sources add infrastructure that will
allow to register functionst generating a JSON object based definition.
This infrastructure will then convert the definition to the proper
command line syntax and use it in cases where it's necessary. This will
allow to keep legacy definitions for back-compat when possible and use
the new definitions for the configurations requiring them.
Add support for converting objects nested in arrays with a numbering
discriminator on the command line. This syntax is used for the
object-based specification of disk source properties.
As gluster natively supports multiple hosts for failover reasons we can
easily add the support to the storage driver code in libvirt.
Extract the code setting an individual host into a separate function and
call them in a loop. The new code also tries to keep the debug log
entries sane.
Extract the code so that it can be called from multiple places. This
also removes a tricky fallthrough in the large switch in
qemuBuildNetworkDriveStr.
Add a modular parser that will allow to parse 'json' backing definitions
that are supported by qemu. The initial implementation adds support for
the 'file' driver.
Due to the approach qemu took to implement the JSON backing strings it's
possible to specify them in two approaches.
The object approach:
json:{ "file" : { "driver":"file",
"filename":"/path/to/file"
}
}
And a partially flattened approach:
json:{"file.driver":"file"
"file.filename":"/path/to/file"
}
Both of the above are supported by qemu and by the code added in this
commit. The current implementation de-flattens the first level ('file.')
if possible and required. Other handling may be added later but
currently only one level was possible anyways.
The cur_balloon also increases/decreases with dimm hotplug/unplug.
To be consistent, adjust the value for coldplug too. This was inconsistently
taken care when cur_ballon != memory to begin with. The patch fixes it
irrespective of that.
Signed-off-by: Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Since commit c4bdff19, the path to the configuration file has been constructed
in the following manner:
- if no config filename was passed to virConfLoadConfigPath, libvirt.conf was
used as default
- otherwise the filename was concatenated with
"<config_dir>/libvirt/libvirt%s%s.conf" which in admin case resulted in
"libvirt-libvirt-admin.conf.conf". Obviously, this non-existent config led to
ignoring all user settings in libvirt-admin.conf. This patch requires the
config filename to be always provided as an argument with the concatenation
being simplified.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1357364
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Kimchi is a open-source interface to kvm. It runs with HTML5, simple and
easy to manage kvm guests.
Signed-off-by: Ramon Medeiros <ramonn@linux.vnet.ibm.com>
For use with memory hotplug virQEMUBuildCommandLineJSONRecurse attempted
to format JSON arrays as bitmap on the command line. Make the formatter
function configurable so that it can be reused with different syntaxes
of arrays such as numbered arrays for use with disk sources.
This patch extracts the code and adds a parameter for the function that
will allow to plug in different formatters.
