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override: domain: Implement override for virDomainFDAssociate
The bindings generator can't generate proper bindings for FD passing so the bindings need to be implemented manually both the python wrapper and the C backend. Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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@ -484,6 +484,7 @@ skip_function = {
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'virConnectListAllSecrets', # overridden in virConnect.py
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'virConnectGetAllDomainStats', # overridden in virConnect.py
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'virDomainListGetStats', # overridden in virConnect.py
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'virDomainFDAssociate', # overridden in virDomain.py
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'virStreamRecvAll', # Pure python libvirt-override-virStream.py
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'virStreamSendAll', # Pure python libvirt-override-virStream.py
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@ -80,3 +80,31 @@
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if ret == -1:
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raise libvirtError('virDomainSetTime() failed')
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return ret
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def FDAssociate(self, name: str, files: List[int], flags: int = 0) -> int:
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"""Associate the array of FDs passed as @fds with the domain object
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under @name. The FDs are associated as long as the connection used to
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associated exists and are disposed of afterwards. FD may still be kept
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open by the hypervisor for as long as it's needed.
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Security labelling (e.g. via the selinux) may be applied on the passed
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FDs when requiredg for usage by the VM. By default libvirt does not
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restore the seclabels on the FDs afterwards to avoid keeping it open
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unnecessarily.
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Restoring of the security label can be requested by passing either
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VIR_DOMAIN_FD_ASSOCIATE_SECLABEL_RESTORE for a best-effort attempt to
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restore the security label after use. Requesting the restore of
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security label will require that the file descriptors are kept open for
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the whole time they are used by the hypervisor, or other additional
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overhead.
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In certain cases usage of the fd group would imply read-only access.
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Passing VIR_DOMAIN_FD_ASSOCIATE_SECLABEL_WRITABLE in @flags ensures
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that a writable security label is picked in case when the file
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represented by the fds may be used in write mode. """
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ret = libvirtmod.virDomainFDAssociate(self._o, name, files, flags)
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if ret == -1:
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raise libvirtError('virDomainFDAssociate() failed')
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return ret
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@ -10789,6 +10789,59 @@ libvirt_virDomainRestoreParams(PyObject *self ATTRIBUTE_UNUSED,
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}
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#endif /* LIBVIR_CHECK_VERSION(8, 4, 0) */
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#if LIBVIR_CHECK_VERSION(9, 0, 0)
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static PyObject *
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libvirt_virDomainFDAssociate(PyObject *self ATTRIBUTE_UNUSED,
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PyObject *args)
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{
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PyObject *py_retval = NULL;
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int c_retval;
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virDomainPtr domain;
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PyObject *pyobj_domain;
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PyObject *pyobj_files;
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const char *name = NULL;
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unsigned int flags;
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unsigned int nfiles;
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int *files = NULL;
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ssize_t i;
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if (!PyArg_ParseTuple(args, (char *)"OsOI:virDomainFDAssociate",
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&pyobj_domain, &name, &pyobj_files, &flags))
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return NULL;
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domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
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nfiles = PyList_Size(pyobj_files);
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if (VIR_ALLOC_N(files, nfiles) < 0)
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return PyErr_NoMemory();
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for (i = 0; i < nfiles; i++) {
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PyObject *pyfd;
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int fd;
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pyfd = PyList_GetItem(pyobj_files, i);
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if (libvirt_intUnwrap(pyfd, &fd) < 0)
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goto cleanup;
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files[i] = fd;
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}
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LIBVIRT_BEGIN_ALLOW_THREADS;
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c_retval = virDomainFDAssociate(domain, name, nfiles, files, flags);
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LIBVIRT_END_ALLOW_THREADS;
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py_retval = libvirt_intWrap((int) c_retval);
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cleanup:
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VIR_FREE(files);
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return py_retval;
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}
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#endif /* LIBVIR_CHECK_VERSION(9, 0, 0) */
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/************************************************************************
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* *
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* The registration stuff *
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@ -11070,6 +11123,9 @@ static PyMethodDef libvirtMethods[] = {
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{(char *) "virDomainSaveParams", libvirt_virDomainSaveParams, METH_VARARGS, NULL},
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{(char *) "virDomainRestoreParams", libvirt_virDomainRestoreParams, METH_VARARGS, NULL},
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#endif /* LIBVIR_CHECK_VERSION(8, 4, 0) */
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#if LIBVIR_CHECK_VERSION(9, 0, 0)
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{(char *) "virDomainFDAssociate", libvirt_virDomainFDAssociate, METH_VARARGS, NULL},
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#endif /* LIBVIR_CHECK_VERSION(9, 0, 0) */
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{NULL, NULL, 0, NULL}
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};
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