/* Functions */ virCapsPtr virLXCDriverCapsInit(virLXCDriverPtr driver) { virCapsPtr caps; virCapsGuestPtr guest; virArch altArch; char *lxc_path = NULL; if ((caps = virCapabilitiesNew(virArchFromHost(), false, false)) == NULL) goto error; /* Some machines have problematic NUMA toplogy causing * unexpected failures. We don't want to break the lxc * driver in this scenario, so log errors & carry on */ if (nodeCapsInitNUMA(caps) < 0) { virCapabilitiesFreeNUMAInfo(caps); VIR_WARN("Failed to query host NUMA topology, disabling NUMA capabilities"); } /* Only probe for power management capabilities in the driver, * not in the emulator */ if (driver && virNodeSuspendGetTargetMask(&caps->host.powerMgmt) < 0) VIR_WARN("Failed to get host power management capabilities"); if (virGetHostUUID(caps->host.host_uuid)) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("cannot get the host uuid")); goto error; } if (!(lxc_path = virFileFindResource("libvirt_lxc", abs_topbuilddir "/src", LIBEXECDIR))) goto error; if ((guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_EXE, caps->host.arch, lxc_path, NULL, 0, NULL)) == NULL) goto error; if (virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_LXC, NULL, NULL, 0, NULL) == NULL) goto error; /* On 64-bit hosts, we can use personality() to request a 32bit process */ if ((altArch = lxcContainerGetAlt32bitArch(caps->host.arch)) != VIR_ARCH_NONE) { if ((guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_EXE, altArch, lxc_path, NULL, 0, NULL)) == NULL) goto error; if (virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_LXC, NULL, NULL, 0, NULL) == NULL) goto error; } VIR_FREE(lxc_path); if (driver) { /* Security driver data */ const char *doi, *model, *label, *type; doi = virSecurityManagerGetDOI(driver->securityManager); model = virSecurityManagerGetModel(driver->securityManager); label = virSecurityManagerGetBaseLabel(driver->securityManager, VIR_DOMAIN_VIRT_LXC); type = virDomainVirtTypeToString(VIR_DOMAIN_VIRT_LXC); /* Allocate the primary security driver for LXC. */ if (VIR_ALLOC(caps->host.secModels) < 0) goto error; caps->host.nsecModels = 1; if (VIR_STRDUP(caps->host.secModels[0].model, model) < 0) goto error; if (VIR_STRDUP(caps->host.secModels[0].doi, doi) < 0) goto error; if (label && virCapabilitiesHostSecModelAddBaseLabel(&caps->host.secModels[0], type, label) < 0) goto error; VIR_DEBUG("Initialized caps for security driver \"%s\" with " "DOI \"%s\"", model, doi); } else { VIR_INFO("No driver, not initializing security driver"); } return caps; error: VIR_FREE(lxc_path); virObjectUnref(caps); return NULL; }
virCapsPtr virQEMUDriverCreateCapabilities(virQEMUDriverPtr driver) { size_t i, j; virCapsPtr caps; virSecurityManagerPtr *sec_managers = NULL; /* Security driver data */ const char *doi, *model, *lbl, *type; virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver); const int virtTypes[] = {VIR_DOMAIN_VIRT_KVM, VIR_DOMAIN_VIRT_QEMU,}; /* Basic host arch / guest machine capabilities */ if (!(caps = virQEMUCapsInit(driver->qemuCapsCache))) goto error; if (virGetHostUUID(caps->host.host_uuid)) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("cannot get the host uuid")); goto error; } /* access sec drivers and create a sec model for each one */ if (!(sec_managers = virSecurityManagerGetNested(driver->securityManager))) goto error; /* calculate length */ for (i = 0; sec_managers[i]; i++) ; caps->host.nsecModels = i; if (VIR_ALLOC_N(caps->host.secModels, caps->host.nsecModels) < 0) goto error; for (i = 0; sec_managers[i]; i++) { virCapsHostSecModelPtr sm = &caps->host.secModels[i]; doi = virSecurityManagerGetDOI(sec_managers[i]); model = virSecurityManagerGetModel(sec_managers[i]); if (VIR_STRDUP(sm->model, model) < 0 || VIR_STRDUP(sm->doi, doi) < 0) goto error; for (j = 0; j < ARRAY_CARDINALITY(virtTypes); j++) { lbl = virSecurityManagerGetBaseLabel(sec_managers[i], virtTypes[j]); type = virDomainVirtTypeToString(virtTypes[j]); if (lbl && virCapabilitiesHostSecModelAddBaseLabel(sm, type, lbl) < 0) goto error; } VIR_DEBUG("Initialized caps for security driver \"%s\" with " "DOI \"%s\"", model, doi); } VIR_FREE(sec_managers); virObjectUnref(cfg); return caps; error: VIR_FREE(sec_managers); virObjectUnref(caps); virObjectUnref(cfg); return NULL; }