- 25 3月, 2020 17 次提交
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由 Peter Krempa 提交于
Use qemuAgentCommandFull so that callers of qemuAgentGetOSInfo can suppress error reports if the function is not supported by the guest agent. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NJán Tomko <jtomko@redhat.com>
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由 Peter Krempa 提交于
Use qemuAgentCommandFull so that callers of qemuAgentGetUsers can suppress error reports if the function is not supported by the guest agent. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NJán Tomko <jtomko@redhat.com>
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由 Peter Krempa 提交于
Use qemuAgentCommandFull in qemuAgentGetHostname so that we can suppress error reports if the caller will not require them. Callers for now always require error reporting but will be fixed later. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NJán Tomko <jtomko@redhat.com>
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由 Peter Krempa 提交于
Use g_autoptr instead. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NJán Tomko <jtomko@redhat.com>
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由 Peter Krempa 提交于
Return 0 on success to match the documentation. The callers only check for negative values. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NJán Tomko <jtomko@redhat.com>
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由 Peter Krempa 提交于
In some cases we don't want to log errors if an agent command is unsupported. Wire it up into qemuAgentCheckError via qemuAgentCommandFull and provide a thin wrapper (qemuAgentCommand) to prevent having to fix all callers. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NJán Tomko <jtomko@redhat.com>
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由 Peter Krempa 提交于
Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NJán Tomko <jtomko@redhat.com>
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由 Peter Krempa 提交于
'qemuDomainGetGuestInfoCheckSupport' despite its name was not checking whether the info types are supported. Convert the function to return integers and include the check. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NJán Tomko <jtomko@redhat.com>
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由 Rafael Fonseca 提交于
The logic has been moved to the individual drivers. Signed-off-by: NRafael Fonseca <r4f4rfs@gmail.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Rafael Fonseca 提交于
The logic setting a device default should be in the post parse function of individual driver code. Signed-off-by: NRafael Fonseca <r4f4rfs@gmail.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Rafael Fonseca 提交于
The logic setting a device default should be in the post parse function of individual driver code. Signed-off-by: NRafael Fonseca <r4f4rfs@gmail.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Rafael Fonseca 提交于
The logic setting a device default should be in the post parse function of individual driver code. Signed-off-by: NRafael Fonseca <r4f4rfs@gmail.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Rafael Fonseca 提交于
The logic setting a device default should be in the post parse function of individual driver code. Signed-off-by: NRafael Fonseca <r4f4rfs@gmail.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Rafael Fonseca 提交于
The logic setting a device default should be in the post parse function of individual driver code. Signed-off-by: NRafael Fonseca <r4f4rfs@gmail.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Rafael Fonseca 提交于
The logic setting a device default should be in the post parse function of individual driver code. Signed-off-by: NRafael Fonseca <r4f4rfs@gmail.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Marc-André Lureau 提交于
Unfortunately, advisory record locking lose the lock if any fd refering to the file is closed. There doesn't seem to be a way to preserve the lock atomically. We could eventually retake the lock if low pidfilefd is required. This fixes processes being leaked, as they are not killed in virPidFileForceCleanupPath() if the lock can be taken. Here also, we may consider this is not good enough, as a process may leak by simply closing the pidfilefd. Fixes commit d146105f ("virCommand: Actually acquire pidfile instead of just writing it") Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Ján Tomko 提交于
s/ommited/omitted/ Signed-off-by: NJán Tomko <jtomko@redhat.com>
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- 24 3月, 2020 23 次提交
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由 Marc-André Lureau 提交于
The WIP specification is hosted on slirp wiki at this point: https://gitlab.freedesktop.org/slirp/libslirp/-/wikis/Slirp-Helper We would need more feedback from various parties (including libvirt, podman, and other developpers) before declaring a frozen version. So for now, follow it, and feedback welcome! Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Marc-André Lureau 提交于
When the helper supports DBus, connect it to the bus and set its ID. If the helper supports migration, register its ID to the list of dbus-vmstate ID to migrate, and specify --dbus-incoming when restoring the VM. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: NMichal Privoznik <mprivozn@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Marc-André Lureau 提交于
Helper processes may have their state migrated with QEMU data stream thanks to the QEMU "dbus-vmstate". libvirt maintains the list of helpers to be migrated. The "dbus-vmstate" is added when required, and given the list of helper Ids that must be migrated, on save & load sides. See also: https://git.qemu.org/?p=qemu.git;a=blob;f=docs/interop/dbus-vmstate.rstSigned-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: NMichal Privoznik <mprivozn@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Marc-André Lureau 提交于
This avoids trying to start a dbus-daemon when its already running. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Marc-André Lureau 提交于
Add a unit to start & stop a private dbus-daemon. The daemon is meant to be started on demand, and associated with a QEMU process. It should be stopped when the QEMU process is stopped. The current policy is permissive like a session bus. Stricter policies can be added later, following recommendations from: https://git.qemu.org/?p=qemu.git;a=blob;f=docs/interop/dbus.rstSigned-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: NMichal Privoznik <mprivozn@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Marc-André Lureau 提交于
Location of DBus daemon state configuration, socket, pid... Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Marc-André Lureau 提交于
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Marc-André Lureau 提交于
This code was based on a per-helper instance and peer-to-peer connections. The code that landed in qemu master for v5.0 is relying on a single instance and DBus bus. Instead of trying to adapt the existing dbus-vmstate code, let's remove it and resubmit. That should make reviewing easier. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Michal Privoznik 提交于
In the network driver code there's networkKillDaemon() which is the same as virProcessKillPainfully(). Replace the former with the later and drop what becomes unused function. Signed-off-by: NMichal Privoznik <mprivozn@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
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由 Michal Privoznik 提交于
Now, that we know that the virtiofsd will have the pidfile open and locked we can use virPidFileForceCleanupPath() to kill it and unlink the pidfile. Signed-off-by: NMichal Privoznik <mprivozn@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
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由 Michal Privoznik 提交于
Now, that we know that the slirp helper will have the pidfile open and locked we can use virPidFileForceCleanupPath() to kill it and unlink the pidfile. Signed-off-by: NMichal Privoznik <mprivozn@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
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由 Michal Privoznik 提交于
Now, that our virCommandSetPidFile() is more intelligent we don't need to rely on the daemon to create and lock the pidfile and use virCommandSetPidFile() at the same time. NOTE that as advertised in the previous commit, this was temporarily broken, because both virCommand and qemuProcessStartManagedPRDaemon() would try to lock the pidfile. Signed-off-by: NMichal Privoznik <mprivozn@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
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由 Michal Privoznik 提交于
Our virCommand module allows us to set a pidfile for commands we want to spawn. The caller constructs the string of pidfile path and then uses virCommandSetPidFile() to tell the module to write the pidfile once the command is ran. This usually works, but has two flaws: 1) the child process does not hold the pidfile open & locked. Therefore, the caller (or anybody else) can't use our fancy virPidFileForceCleanupPath() function to kill the command afterwards. Also, for everybody else on the system it's needlessly harder to check if the pid from the pidfile is still alive or not. 2) if the caller ever makes a mistake and passes the same pidfile path for two different commands, the start of the second command will overwrite the pidfile even though the first command might still be running. NOTE that this temporarily renders some command spawning unusable, specifically those code patterns where both virCommandSetPidFile() is used together with instructing spawned command to acquire pidfile itself. Fortunately, there is only one occurrence of such pattern and it is in qemuProcessStartManagedPRDaemon(). This is fixed in next commit. Signed-off-by: NMichal Privoznik <mprivozn@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
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由 Seeteena Thoufeek 提交于
Signed-off-by: NSeeteena Thoufeek <s1seetee@linux.vnet.ibm.com> Reviewed-by: NDaniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Michal Privoznik 提交于
As a part of c799d150 I've introduced a test case that tests whether passing error object between processes works. The test spawns a child which reports a system error, parent process then reads the error and compares with expected output. Problem with this approach is that error message contains stringified errno which is not portable. FreeBSD has generally different messages than Linux. Therefore, use g_strerror() to do the errno to string translation for us. Signed-off-by: NMichal Privoznik <mprivozn@redhat.com> Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
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由 Peter Krempa 提交于
Our code allows snapshots of NVMe based disks which means we create overlay file with a 'json:{}' pseudo-uri refering to the NVME device. Our parser code doesn't handle them though. Add the parser and test it via the XML->json->XML round-trip and reference data. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Peter Krempa 提交于
Format cookies into the backing store string without encryption as they will not be visible on the command line when formatting a 'target' only string. In cases when cookies or other options are used we must use the JSON format rather than pure URI. Add tests to validate the scenario. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Peter Krempa 提交于
Introduce qemuBlockStorageSourceGetCookieString which does the concatenation so that we can reuse it later. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Peter Krempa 提交于
QEMU requires an extra wrapper object where only the "file" member is populated. This is basically a placeholder for establishing the format layer. We did the same in qemuDiskSourceGetProps for the old-school JSON usage with -drive but forgot to adopt this for -blockdev. https://bugzilla.redhat.com/show_bug.cgi?id=1804617Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Peter Krempa 提交于
qemublocktest showed that we don't add the "fat:" prefix for directory storage when formatting the backing store string. While it's unlikely to be used it's simple enough to actually implement the support rather than trying to forbid it. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Peter Krempa 提交于
We can return the appropriate string directly. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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由 Peter Krempa 提交于
With -blockdev libvirt provides the string which is recorded as 'backing store' property of an image to qemu. Add testing for qemuBlockGetBackingStoreString which generates these strings as there's logic which determines which format to use. Signed-off-by: NPeter Krempa <pkrempa@redhat.com> Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
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