Exemple #1
0
static int
vmwareStartVM(struct vmware_driver *driver, virDomainObjPtr vm)
{
    const char *cmd[] = {
        VMRUN, "-T", PROGRAM_SENTINAL, "start",
        PROGRAM_SENTINAL, PROGRAM_SENTINAL, NULL
    };
    const char *vmxPath = ((vmwareDomainPtr) vm->privateData)->vmxPath;

    if (virDomainObjGetState(vm, NULL) != VIR_DOMAIN_SHUTOFF) {
        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
                       _("domain is not in shutoff state"));
        return -1;
    }

    vmwareSetSentinal(cmd, vmw_types[driver->type]);
    vmwareSetSentinal(cmd, vmxPath);
    if (!((vmwareDomainPtr) vm->privateData)->gui)
        vmwareSetSentinal(cmd, NOGUI);
    else
        vmwareSetSentinal(cmd, NULL);

    if (virRun(cmd, NULL) < 0) {
        return -1;
    }

    if ((vm->def->id = vmwareExtractPid(vmxPath)) < 0) {
        vmwareStopVM(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED);
        return -1;
    }

    virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, VIR_DOMAIN_RUNNING_BOOTED);

    return 0;
}
Exemple #2
0
static int
virLXCProcessReconnectDomain(virDomainObjPtr vm,
                             void *opaque)
{
    virLXCDriverPtr driver = opaque;
    virLXCDomainObjPrivatePtr priv;
    int ret = -1;

    virObjectLock(vm);
    VIR_DEBUG("Reconnect id=%d pid=%d state=%d", vm->def->id, vm->pid, vm->state.state);

    priv = vm->privateData;

    if (vm->pid != 0) {
        vm->def->id = vm->pid;
        virDomainObjSetState(vm, VIR_DOMAIN_RUNNING,
                             VIR_DOMAIN_RUNNING_UNKNOWN);

        if (!driver->nactive && driver->inhibitCallback)
            driver->inhibitCallback(true, driver->inhibitOpaque);
        driver->nactive++;

        if (!(priv->monitor = virLXCProcessConnectMonitor(driver, vm)))
            goto error;

        if (virLXCUpdateActiveUsbHostdevs(driver, vm->def) < 0)
            goto error;

        if (virSecurityManagerReserveLabel(driver->securityManager,
                                           vm->def, vm->pid) < 0)
            goto error;

        /* now that we know it's reconnected call the hook if present */
        if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
            char *xml = virDomainDefFormat(vm->def, 0);
            int hookret;

            /* we can't stop the operation even if the script raised an error */
            hookret = virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
                                  VIR_HOOK_LXC_OP_RECONNECT, VIR_HOOK_SUBOP_BEGIN,
                                  NULL, xml, NULL);
            VIR_FREE(xml);
            if (hookret < 0)
                goto error;
        }

    } else {
        vm->def->id = -1;
    }

    ret = 0;
cleanup:
    virObjectUnlock(vm);
    return ret;

error:
    virLXCProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED);
    virDomainAuditStop(vm, "failed");
    goto cleanup;
}
Exemple #3
0
static int
vmwareUpdateVMStatus(struct vmware_driver *driver, virDomainObjPtr vm)
{
    virCommandPtr cmd;
    char *outbuf = NULL;
    char *vmxAbsolutePath = NULL;
    char *parsedVmxPath = NULL;
    char *str;
    char *saveptr = NULL;
    bool found = false;
    int oldState = virDomainObjGetState(vm, NULL);
    int newState;
    int ret = -1;

    cmd = virCommandNewArgList(VMRUN, "-T", vmw_types[driver->type],
                               "list", NULL);
    virCommandSetOutputBuffer(cmd, &outbuf);
    if (virCommandRun(cmd, NULL) < 0)
        goto cleanup;

    if (virFileResolveAllLinks(((vmwareDomainPtr) vm->privateData)->vmxPath,
                               &vmxAbsolutePath) < 0)
        goto cleanup;

    for (str = outbuf ; (parsedVmxPath = strtok_r(str, "\n", &saveptr)) != NULL;
         str = NULL) {

        if (parsedVmxPath[0] != '/')
            continue;

        if (STREQ(parsedVmxPath, vmxAbsolutePath)) {
            found = true;
            /* If the vmx path is in the output, the domain is running or
             * is paused but we have no way to detect if it is paused or not. */
            if (oldState == VIR_DOMAIN_PAUSED)
                newState = oldState;
            else
                newState = VIR_DOMAIN_RUNNING;
            break;
        }
    }

    if (!found) {
        vm->def->id = -1;
        newState = VIR_DOMAIN_SHUTOFF;
    }

    virDomainObjSetState(vm, newState, 0);

    ret = 0;

cleanup:
    virCommandFree(cmd);
    VIR_FREE(outbuf);
    VIR_FREE(vmxAbsolutePath);
    return ret;
}
Exemple #4
0
static int
vmwareDomainResume(virDomainPtr dom)
{
    struct vmware_driver *driver = dom->conn->privateData;

    virDomainObjPtr vm;
    const char *cmd[] = {
        VMRUN, "-T", PROGRAM_SENTINAL, "unpause", PROGRAM_SENTINAL,
        NULL
    };
    int ret = -1;

    if (driver->type == TYPE_PLAYER) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("vmplayer does not support libvirt suspend/resume "
                         "(vmware pause/unpause) operation "));
        return ret;
    }

    vmwareDriverLock(driver);
    vm = virDomainObjListFindByUUID(driver->domains, dom->uuid);
    vmwareDriverUnlock(driver);

    if (!vm) {
        virReportError(VIR_ERR_NO_DOMAIN, "%s",
                       _("no domain with matching uuid"));
        goto cleanup;
    }

    vmwareSetSentinal(cmd, vmw_types[driver->type]);
    vmwareSetSentinal(cmd, ((vmwareDomainPtr) vm->privateData)->vmxPath);
    if (virDomainObjGetState(vm, NULL) != VIR_DOMAIN_PAUSED) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("domain is not in suspend state"));
        goto cleanup;
    }

    if (virRun(cmd, NULL) < 0)
        goto cleanup;

    virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, VIR_DOMAIN_RUNNING_UNPAUSED);
    ret = 0;

  cleanup:
    if (vm)
        virObjectUnlock(vm);
    return ret;
}
Exemple #5
0
static int
openvzDomainCreateWithFlags(virDomainPtr dom, unsigned int flags)
{
    struct openvz_driver *driver = dom->conn->privateData;
    virDomainObjPtr vm;
    const char *prog[] = {VZCTL, "--quiet", "start", PROGRAM_SENTINAL, NULL };
    int ret = -1;
    int status;

    virCheckFlags(0, -1);

    openvzDriverLock(driver);
    vm = virDomainFindByName(&driver->domains, dom->name);
    openvzDriverUnlock(driver);

    if (!vm) {
        openvzError(VIR_ERR_NO_DOMAIN, "%s",
                    _("no domain with matching id"));
        goto cleanup;
    }

    if (openvzGetVEStatus(vm, &status, NULL) == -1)
        goto cleanup;

    if (status != VIR_DOMAIN_SHUTOFF) {
        openvzError(VIR_ERR_OPERATION_DENIED, "%s",
                    _("domain is not in shutoff state"));
        goto cleanup;
    }

    openvzSetProgramSentinal(prog, vm->def->name);
    if (virRun(prog, NULL) < 0) {
        goto cleanup;
    }

    vm->pid = strtoI(vm->def->name);
    vm->def->id = vm->pid;
    dom->id = vm->pid;
    virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, VIR_DOMAIN_RUNNING_BOOTED);
    ret = 0;

cleanup:
    if (vm)
        virDomainObjUnlock(vm);
    return ret;
}
Exemple #6
0
static int
openvzDomainShutdownFlags(virDomainPtr dom,
                          unsigned int flags) {
    struct openvz_driver *driver = dom->conn->privateData;
    virDomainObjPtr vm;
    const char *prog[] = {VZCTL, "--quiet", "stop", PROGRAM_SENTINAL, NULL};
    int ret = -1;
    int status;

    virCheckFlags(0, -1);

    openvzDriverLock(driver);
    vm = virDomainFindByUUID(&driver->domains, dom->uuid);
    openvzDriverUnlock(driver);

    if (!vm) {
        openvzError(VIR_ERR_NO_DOMAIN, "%s",
                    _("no domain with matching uuid"));
        goto cleanup;
    }

    if (openvzGetVEStatus(vm, &status, NULL) == -1)
        goto cleanup;

    openvzSetProgramSentinal(prog, vm->def->name);
    if (status != VIR_DOMAIN_RUNNING) {
        openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
                    _("domain is not in running state"));
        goto cleanup;
    }

    if (virRun(prog, NULL) < 0)
        goto cleanup;

    vm->def->id = -1;
    virDomainObjSetState(vm, VIR_DOMAIN_SHUTOFF, VIR_DOMAIN_SHUTOFF_SHUTDOWN);
    dom->id = -1;
    ret = 0;

cleanup:
    if (vm)
        virDomainObjUnlock(vm);
    return ret;
}
static int
libxlDoMigrateSend(libxlDriverPrivatePtr driver,
                   virDomainObjPtr vm,
                   unsigned long flags,
                   int sockfd)
{
    libxlDomainObjPrivatePtr priv;
    libxlDriverConfigPtr cfg = libxlDriverConfigGet(driver);
    virObjectEventPtr event = NULL;
    int xl_flags = 0;
    int ret;

    if (flags & VIR_MIGRATE_LIVE)
        xl_flags = LIBXL_SUSPEND_LIVE;

    priv = vm->privateData;
    ret = libxl_domain_suspend(priv->ctx, vm->def->id, sockfd,
                               xl_flags, NULL);
    if (ret != 0) {
        /* attempt to resume the domain on failure */
        if (libxl_domain_resume(priv->ctx, vm->def->id, 1, 0) != 0) {
            VIR_DEBUG("Failed to resume domain following failed migration");
            virDomainObjSetState(vm, VIR_DOMAIN_PAUSED,
                                 VIR_DOMAIN_PAUSED_MIGRATION);
            event = virDomainEventLifecycleNewFromObj(vm, VIR_DOMAIN_EVENT_SUSPENDED,
                                             VIR_DOMAIN_EVENT_SUSPENDED_MIGRATED);
            ignore_value(virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm));
        }
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Failed to send migration data to destination host"));
        ret = -1;
        goto cleanup;
    }

 cleanup:
    if (event)
        libxlDomainEventQueue(driver, event);
    virObjectUnref(cfg);
    return ret;
}
Exemple #8
0
static int
vmwareStopVM(struct vmware_driver *driver,
             virDomainObjPtr vm,
             virDomainShutoffReason reason)
{
    const char *cmd[] = {
        VMRUN, "-T", PROGRAM_SENTINAL, "stop",
        PROGRAM_SENTINAL, "soft", NULL
    };

    vmwareSetSentinal(cmd, vmw_types[driver->type]);
    vmwareSetSentinal(cmd, ((vmwareDomainPtr) vm->privateData)->vmxPath);

    if (virRun(cmd, NULL) < 0) {
        return -1;
    }

    vm->def->id = -1;
    virDomainObjSetState(vm, VIR_DOMAIN_SHUTOFF, reason);

    return 0;
}
Exemple #9
0
static int openvzDomainResume(virDomainPtr dom) {
  struct openvz_driver *driver = dom->conn->privateData;
  virDomainObjPtr vm;
  const char *prog[] = {VZCTL, "--quiet", "chkpnt", PROGRAM_SENTINAL, "--resume", NULL};
  int ret = -1;

  openvzDriverLock(driver);
  vm = virDomainFindByUUID(&driver->domains, dom->uuid);
  openvzDriverUnlock(driver);

  if (!vm) {
      openvzError(VIR_ERR_NO_DOMAIN, "%s",
                  _("no domain with matching uuid"));
      goto cleanup;
  }

  if (!virDomainObjIsActive(vm)) {
      openvzError(VIR_ERR_OPERATION_INVALID, "%s",
                  _("Domain is not running"));
      goto cleanup;
  }

  if (virDomainObjGetState(vm, NULL) == VIR_DOMAIN_PAUSED) {
      openvzSetProgramSentinal(prog, vm->def->name);
      if (virRun(prog, NULL) < 0) {
          goto cleanup;
      }
      virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, VIR_DOMAIN_RUNNING_UNPAUSED);
  }

  ret = 0;

cleanup:
  if (vm)
      virDomainObjUnlock(vm);
  return ret;
}
Exemple #10
0
int
vmwareLoadDomains(struct vmware_driver *driver)
{
    virDomainDefPtr vmdef = NULL;
    virDomainObjPtr vm = NULL;
    char *vmxPath = NULL;
    char *vmx = NULL;
    vmwareDomainPtr pDomain;
    char *directoryName = NULL;
    char *fileName = NULL;
    int ret = -1;
    virVMXContext ctx;
    char *outbuf = NULL;
    char *str;
    char *saveptr = NULL;
    virCommandPtr cmd;

    ctx.parseFileName = vmwareCopyVMXFileName;

    cmd = virCommandNewArgList(VMRUN, "-T",
                               driver->type == TYPE_PLAYER ? "player" : "ws",
                               "list", NULL);
    virCommandSetOutputBuffer(cmd, &outbuf);
    if (virCommandRun(cmd, NULL) < 0)
        goto cleanup;

    for (str = outbuf; (vmxPath = strtok_r(str, "\n", &saveptr)) != NULL;
        str = NULL) {

        if (vmxPath[0] != '/')
            continue;

        if (virFileReadAll(vmxPath, 10000, &vmx) < 0)
            goto cleanup;

        if ((vmdef =
             virVMXParseConfig(&ctx, driver->xmlopt, vmx)) == NULL) {
            goto cleanup;
        }

        if (!(vm = virDomainObjListAdd(driver->domains, vmdef,
                                       driver->xmlopt,
                                       0, NULL)))
            goto cleanup;

        pDomain = vm->privateData;

        if (VIR_STRDUP(pDomain->vmxPath, vmxPath) < 0)
            goto cleanup;

        vmwareDomainConfigDisplay(pDomain, vmdef);

        if ((vm->def->id = vmwareExtractPid(vmxPath)) < 0)
            goto cleanup;
        /* vmrun list only reports running vms */
        virDomainObjSetState(vm, VIR_DOMAIN_RUNNING,
                             VIR_DOMAIN_RUNNING_UNKNOWN);
        vm->persistent = 1;

        virObjectUnlock(vm);

        vmdef = NULL;
        vm = NULL;
    }

    ret = 0;

cleanup:
    virCommandFree(cmd);
    VIR_FREE(outbuf);
    virDomainDefFree(vmdef);
    VIR_FREE(directoryName);
    VIR_FREE(fileName);
    VIR_FREE(vmx);
    virObjectUnref(vm);
    return ret;
}
Exemple #11
0
/**
 * virLXCProcessCleanup:
 * @driver: pointer to driver structure
 * @vm: pointer to VM to clean up
 * @reason: reason for switching the VM to shutoff state
 *
 * Cleanout resources associated with the now dead VM
 *
 */
static void virLXCProcessCleanup(virLXCDriverPtr driver,
                                 virDomainObjPtr vm,
                                 virDomainShutoffReason reason)
{
    size_t i;
    virLXCDomainObjPrivatePtr priv = vm->privateData;
    virNetDevVPortProfilePtr vport = NULL;
    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);

    VIR_DEBUG("Stopping VM name=%s pid=%d reason=%d",
              vm->def->name, (int)vm->pid, (int)reason);

    /* now that we know it's stopped call the hook if present */
    if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
        char *xml = virDomainDefFormat(vm->def, 0);

        /* we can't stop the operation even if the script raised an error */
        virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
                    VIR_HOOK_LXC_OP_STOPPED, VIR_HOOK_SUBOP_END,
                    NULL, xml, NULL);
        VIR_FREE(xml);
    }

    /* Stop autodestroy in case guest is restarted */
    virCloseCallbacksUnset(driver->closeCallbacks, vm,
                           lxcProcessAutoDestroy);

    if (priv->monitor) {
        virLXCMonitorClose(priv->monitor);
        virObjectUnref(priv->monitor);
        priv->monitor = NULL;
    }

    virPidFileDelete(cfg->stateDir, vm->def->name);
    virDomainDeleteConfig(cfg->stateDir, NULL, vm);

    virDomainObjSetState(vm, VIR_DOMAIN_SHUTOFF, reason);
    vm->pid = -1;
    vm->def->id = -1;

    if (virAtomicIntDecAndTest(&driver->nactive) && driver->inhibitCallback)
        driver->inhibitCallback(false, driver->inhibitOpaque);

    virLXCDomainReAttachHostDevices(driver, vm->def);

    for (i = 0; i < vm->def->nnets; i++) {
        virDomainNetDefPtr iface = vm->def->nets[i];
        vport = virDomainNetGetActualVirtPortProfile(iface);
        if (iface->ifname) {
            if (vport &&
                vport->virtPortType == VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH)
                ignore_value(virNetDevOpenvswitchRemovePort(
                                virDomainNetGetActualBridgeName(iface),
                                iface->ifname));
            ignore_value(virNetDevVethDelete(iface->ifname));
        }
        networkReleaseActualDevice(vm->def, iface);
    }

    virDomainConfVMNWFilterTeardown(vm);

    if (priv->cgroup) {
        virCgroupRemove(priv->cgroup);
        virCgroupFree(&priv->cgroup);
    }

    /* Get machined to terminate the machine as it may not have cleaned it
     * properly. See https://bugs.freedesktop.org/show_bug.cgi?id=68370 for
     * the bug we are working around here.
     */
    virSystemdTerminateMachine(vm->def->name, "lxc", true);


    /* The "release" hook cleans up additional resources */
    if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
        char *xml = virDomainDefFormat(vm->def, 0);

        /* we can't stop the operation even if the script raised an error */
        virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
                    VIR_HOOK_LXC_OP_RELEASE, VIR_HOOK_SUBOP_END,
                    NULL, xml, NULL);
        VIR_FREE(xml);
    }

    if (vm->newDef) {
        virDomainDefFree(vm->def);
        vm->def = vm->newDef;
        vm->def->id = -1;
        vm->newDef = NULL;
    }
    virObjectUnref(cfg);
}
Exemple #12
0
/**
 * virLXCProcessStart:
 * @conn: pointer to connection
 * @driver: pointer to driver structure
 * @vm: pointer to virtual machine structure
 * @autoDestroy: mark the domain for auto destruction
 * @reason: reason for switching vm to running state
 *
 * Starts a vm
 *
 * Returns 0 on success or -1 in case of error
 */
int virLXCProcessStart(virConnectPtr conn,
                       virLXCDriverPtr  driver,
                       virDomainObjPtr vm,
                       unsigned int nfiles, int *files,
                       bool autoDestroy,
                       virDomainRunningReason reason)
{
    int rc = -1, r;
    size_t nttyFDs = 0;
    int *ttyFDs = NULL;
    size_t i;
    char *logfile = NULL;
    int logfd = -1;
    size_t nveths = 0;
    char **veths = NULL;
    int handshakefds[2] = { -1, -1 };
    off_t pos = -1;
    char ebuf[1024];
    char *timestamp;
    virCommandPtr cmd = NULL;
    virLXCDomainObjPrivatePtr priv = vm->privateData;
    virCapsPtr caps = NULL;
    virErrorPtr err = NULL;
    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
    virCgroupPtr selfcgroup;
    int status;

    if (virCgroupNewSelf(&selfcgroup) < 0)
        return -1;

    if (!virCgroupHasController(selfcgroup,
                                VIR_CGROUP_CONTROLLER_CPUACCT)) {
        virCgroupFree(&selfcgroup);
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Unable to find 'cpuacct' cgroups controller mount"));
        return -1;
    }
    if (!virCgroupHasController(selfcgroup,
                                VIR_CGROUP_CONTROLLER_DEVICES)) {
        virCgroupFree(&selfcgroup);
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Unable to find 'devices' cgroups controller mount"));
        return -1;
    }
    if (!virCgroupHasController(selfcgroup,
                                VIR_CGROUP_CONTROLLER_MEMORY)) {
        virCgroupFree(&selfcgroup);
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Unable to find 'memory' cgroups controller mount"));
        return -1;
    }
    virCgroupFree(&selfcgroup);

    if (virFileMakePath(cfg->logDir) < 0) {
        virReportSystemError(errno,
                             _("Cannot create log directory '%s'"),
                             cfg->logDir);
        return -1;
    }

    if (!vm->def->resource) {
        virDomainResourceDefPtr res;

        if (VIR_ALLOC(res) < 0)
            goto cleanup;

        if (VIR_STRDUP(res->partition, "/machine") < 0) {
            VIR_FREE(res);
            goto cleanup;
        }

        vm->def->resource = res;
    }

    if (virAsprintf(&logfile, "%s/%s.log",
                    cfg->logDir, vm->def->name) < 0)
        return -1;

    if (!(caps = virLXCDriverGetCapabilities(driver, false)))
        goto cleanup;

    /* Do this up front, so any part of the startup process can add
     * runtime state to vm->def that won't be persisted. This let's us
     * report implicit runtime defaults in the XML, like vnc listen/socket
     */
    VIR_DEBUG("Setting current domain def as transient");
    if (virDomainObjSetDefTransient(caps, driver->xmlopt, vm, true) < 0)
        goto cleanup;

    /* Run an early hook to set-up missing devices */
    if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
        char *xml = virDomainDefFormat(vm->def, 0);
        int hookret;

        hookret = virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
                              VIR_HOOK_LXC_OP_PREPARE, VIR_HOOK_SUBOP_BEGIN,
                              NULL, xml, NULL);
        VIR_FREE(xml);

        /*
         * If the script raised an error abort the launch
         */
        if (hookret < 0)
            goto cleanup;
    }

    if (virLXCProcessEnsureRootFS(vm) < 0)
        goto cleanup;

    /* Must be run before security labelling */
    VIR_DEBUG("Preparing host devices");
    if (virLXCPrepareHostDevices(driver, vm->def) < 0)
        goto cleanup;

    /* Here we open all the PTYs we need on the host OS side.
     * The LXC controller will open the guest OS side PTYs
     * and forward I/O between them.
     */
    nttyFDs = vm->def->nconsoles;
    if (VIR_ALLOC_N(ttyFDs, nttyFDs) < 0)
        goto cleanup;
    for (i = 0; i < vm->def->nconsoles; i++)
        ttyFDs[i] = -1;

    /* If you are using a SecurityDriver with dynamic labelling,
       then generate a security label for isolation */
    VIR_DEBUG("Generating domain security label (if required)");
    if (vm->def->nseclabels &&
        vm->def->seclabels[0]->type == VIR_DOMAIN_SECLABEL_DEFAULT)
        vm->def->seclabels[0]->type = VIR_DOMAIN_SECLABEL_NONE;

    if (virSecurityManagerGenLabel(driver->securityManager, vm->def) < 0) {
        virDomainAuditSecurityLabel(vm, false);
        goto cleanup;
    }
    virDomainAuditSecurityLabel(vm, true);

    VIR_DEBUG("Setting domain security labels");
    if (virSecurityManagerSetAllLabel(driver->securityManager,
                                      vm->def, NULL) < 0)
        goto cleanup;

    for (i = 0; i < vm->def->nconsoles; i++) {
        char *ttyPath;
        if (vm->def->consoles[i]->source.type != VIR_DOMAIN_CHR_TYPE_PTY) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                           _("Only PTY console types are supported"));
            goto cleanup;
        }

        if (virFileOpenTty(&ttyFDs[i], &ttyPath, 1) < 0) {
            virReportSystemError(errno, "%s",
                                 _("Failed to allocate tty"));
            goto cleanup;
        }

        VIR_FREE(vm->def->consoles[i]->source.data.file.path);
        vm->def->consoles[i]->source.data.file.path = ttyPath;

        VIR_FREE(vm->def->consoles[i]->info.alias);
        if (virAsprintf(&vm->def->consoles[i]->info.alias, "console%zu", i) < 0)
            goto cleanup;
    }

    if (virLXCProcessSetupInterfaces(conn, vm->def, &nveths, &veths) < 0)
        goto cleanup;

    /* Save the configuration for the controller */
    if (virDomainSaveConfig(cfg->stateDir, vm->def) < 0)
        goto cleanup;

    if ((logfd = open(logfile, O_WRONLY | O_APPEND | O_CREAT,
             S_IRUSR|S_IWUSR)) < 0) {
        virReportSystemError(errno,
                             _("Failed to open '%s'"),
                             logfile);
        goto cleanup;
    }

    if (pipe(handshakefds) < 0) {
        virReportSystemError(errno, "%s",
                             _("Unable to create pipe"));
        goto cleanup;
    }

    if (!(cmd = virLXCProcessBuildControllerCmd(driver,
                                                vm,
                                                nveths, veths,
                                                ttyFDs, nttyFDs,
                                                files, nfiles,
                                                handshakefds[1])))
        goto cleanup;
    virCommandSetOutputFD(cmd, &logfd);
    virCommandSetErrorFD(cmd, &logfd);

    /* now that we know it is about to start call the hook if present */
    if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
        char *xml = virDomainDefFormat(vm->def, 0);
        int hookret;

        hookret = virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
                              VIR_HOOK_LXC_OP_START, VIR_HOOK_SUBOP_BEGIN,
                              NULL, xml, NULL);
        VIR_FREE(xml);

        /*
         * If the script raised an error abort the launch
         */
        if (hookret < 0)
            goto cleanup;
    }

    /* Log timestamp */
    if ((timestamp = virTimeStringNow()) == NULL)
        goto cleanup;
    if (safewrite(logfd, timestamp, strlen(timestamp)) < 0 ||
        safewrite(logfd, START_POSTFIX, strlen(START_POSTFIX)) < 0) {
        VIR_WARN("Unable to write timestamp to logfile: %s",
                 virStrerror(errno, ebuf, sizeof(ebuf)));
    }
    VIR_FREE(timestamp);

    /* Log generated command line */
    virCommandWriteArgLog(cmd, logfd);
    if ((pos = lseek(logfd, 0, SEEK_END)) < 0)
        VIR_WARN("Unable to seek to end of logfile: %s",
                 virStrerror(errno, ebuf, sizeof(ebuf)));

    virCommandRawStatus(cmd);
    if (virCommandRun(cmd, &status) < 0)
        goto cleanup;

    if (status != 0) {
        if (virLXCProcessReadLogOutput(vm, logfile, pos, ebuf,
                                       sizeof(ebuf)) <= 0) {
            if (WIFEXITED(status))
                snprintf(ebuf, sizeof(ebuf), _("unexpected exit status %d"),
                         WEXITSTATUS(status));
            else
                snprintf(ebuf, sizeof(ebuf), "%s", _("terminated abnormally"));
        }
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("guest failed to start: %s"), ebuf);
        goto cleanup;
    }


    if (VIR_CLOSE(handshakefds[1]) < 0) {
        virReportSystemError(errno, "%s", _("could not close handshake fd"));
        goto cleanup;
    }

    /* Connect to the controller as a client *first* because
     * this will block until the child has written their
     * pid file out to disk & created their cgroup */
    if (!(priv->monitor = virLXCProcessConnectMonitor(driver, vm))) {
        /* Intentionally overwrite the real monitor error message,
         * since a better one is almost always found in the logs
         */
        if (virLXCProcessReadLogOutput(vm, logfile, pos, ebuf, sizeof(ebuf)) > 0) {
            virResetLastError();
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("guest failed to start: %s"), ebuf);
        }
        goto cleanup;
    }

    /* And get its pid */
    if ((r = virPidFileRead(cfg->stateDir, vm->def->name, &vm->pid)) < 0) {
        if (virLXCProcessReadLogOutput(vm, logfile, pos, ebuf, sizeof(ebuf)) > 0)
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("guest failed to start: %s"), ebuf);
        else
            virReportSystemError(-r,
                                 _("Failed to read pid file %s/%s.pid"),
                                 cfg->stateDir, vm->def->name);
        goto cleanup;
    }

    if (virCgroupNewDetectMachine(vm->def->name, "lxc", vm->pid,
                                  vm->def->resource ?
                                  vm->def->resource->partition :
                                  NULL,
                                  -1, &priv->cgroup) < 0)
        goto error;

    if (!priv->cgroup) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("No valid cgroup for machine %s"),
                       vm->def->name);
        goto error;
    }

    priv->stopReason = VIR_DOMAIN_EVENT_STOPPED_FAILED;
    priv->wantReboot = false;
    vm->def->id = vm->pid;
    virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, reason);
    priv->doneStopEvent = false;

    if (virAtomicIntInc(&driver->nactive) == 1 && driver->inhibitCallback)
        driver->inhibitCallback(true, driver->inhibitOpaque);

    if (lxcContainerWaitForContinue(handshakefds[0]) < 0) {
        char out[1024];

        if (!(virLXCProcessReadLogOutput(vm, logfile, pos, out, 1024) < 0)) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("guest failed to start: %s"), out);
        }

        goto error;
    }

    if (autoDestroy &&
        virCloseCallbacksSet(driver->closeCallbacks, vm,
                             conn, lxcProcessAutoDestroy) < 0)
        goto error;

    if (virDomainObjSetDefTransient(caps, driver->xmlopt,
                                    vm, false) < 0)
        goto error;

    /* Write domain status to disk.
     *
     * XXX: Earlier we wrote the plain "live" domain XML to this
     * location for the benefit of libvirt_lxc. We're now overwriting
     * it with the live status XML instead. This is a (currently
     * harmless) inconsistency we should fix one day */
    if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm) < 0)
        goto error;

    /* finally we can call the 'started' hook script if any */
    if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
        char *xml = virDomainDefFormat(vm->def, 0);
        int hookret;

        hookret = virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
                              VIR_HOOK_LXC_OP_STARTED, VIR_HOOK_SUBOP_BEGIN,
                              NULL, xml, NULL);
        VIR_FREE(xml);

        /*
         * If the script raised an error abort the launch
         */
        if (hookret < 0)
            goto error;
    }

    rc = 0;

 cleanup:
    if (rc != 0 && !err)
        err = virSaveLastError();
    virCommandFree(cmd);
    if (VIR_CLOSE(logfd) < 0) {
        virReportSystemError(errno, "%s", _("could not close logfile"));
        rc = -1;
    }
    for (i = 0; i < nveths; i++) {
        if (rc != 0 && veths[i])
            ignore_value(virNetDevVethDelete(veths[i]));
        VIR_FREE(veths[i]);
    }
    if (rc != 0) {
        if (vm->newDef) {
            virDomainDefFree(vm->newDef);
            vm->newDef = NULL;
        }
        if (priv->monitor) {
            virObjectUnref(priv->monitor);
            priv->monitor = NULL;
        }
        virDomainConfVMNWFilterTeardown(vm);

        virSecurityManagerRestoreAllLabel(driver->securityManager,
                                          vm->def, false);
        virSecurityManagerReleaseLabel(driver->securityManager, vm->def);
        /* Clear out dynamically assigned labels */
        if (vm->def->nseclabels &&
            vm->def->seclabels[0]->type == VIR_DOMAIN_SECLABEL_DYNAMIC) {
            VIR_FREE(vm->def->seclabels[0]->model);
            VIR_FREE(vm->def->seclabels[0]->label);
            VIR_FREE(vm->def->seclabels[0]->imagelabel);
        }
    }
    for (i = 0; i < nttyFDs; i++)
        VIR_FORCE_CLOSE(ttyFDs[i]);
    VIR_FREE(ttyFDs);
    VIR_FORCE_CLOSE(handshakefds[0]);
    VIR_FORCE_CLOSE(handshakefds[1]);
    VIR_FREE(logfile);
    virObjectUnref(cfg);
    virObjectUnref(caps);

    if (err) {
        virSetError(err);
        virFreeError(err);
    }

    return rc;

 error:
    err = virSaveLastError();
    virLXCProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_FAILED);
    goto cleanup;
}
Exemple #13
0
static virDomainPtr
openvzDomainCreateXML(virConnectPtr conn, const char *xml,
                      unsigned int flags)
{
    struct openvz_driver *driver =  conn->privateData;
    virDomainDefPtr vmdef = NULL;
    virDomainObjPtr vm = NULL;
    virDomainPtr dom = NULL;
    const char *progstart[] = {VZCTL, "--quiet", "start", PROGRAM_SENTINAL, NULL};

    virCheckFlags(0, NULL);

    openvzDriverLock(driver);
    if ((vmdef = virDomainDefParseString(driver->caps, xml,
                                         1 << VIR_DOMAIN_VIRT_OPENVZ,
                                         VIR_DOMAIN_XML_INACTIVE)) == NULL)
        goto cleanup;

    vm = virDomainFindByName(&driver->domains, vmdef->name);
    if (vm) {
        openvzError(VIR_ERR_OPERATION_FAILED,
                    _("Already an OPENVZ VM defined with the id '%s'"),
                   vmdef->name);
        goto cleanup;
    }
    if (!(vm = virDomainAssignDef(driver->caps,
                                  &driver->domains, vmdef, false)))
        goto cleanup;
    vmdef = NULL;
    /* All OpenVZ domains seem to be persistent - this is a bit of a violation
     * of this libvirt API which is intended for transient domain creation */
    vm->persistent = 1;

    if (openvzSetInitialConfig(vm->def) < 0) {
        VIR_ERROR(_("Error creating initial configuration"));
        goto cleanup;
    }

    if (openvzSetDefinedUUID(strtoI(vm->def->name), vm->def->uuid) < 0) {
        openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
                    _("Could not set UUID"));
        goto cleanup;
    }

    if (openvzDomainSetNetworkConfig(conn, vm->def) < 0)
        goto cleanup;

    openvzSetProgramSentinal(progstart, vm->def->name);

    if (virRun(progstart, NULL) < 0) {
        goto cleanup;
    }

    vm->pid = strtoI(vm->def->name);
    vm->def->id = vm->pid;
    virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, VIR_DOMAIN_RUNNING_BOOTED);

    if (vm->def->maxvcpus > 0) {
        if (openvzDomainSetVcpusInternal(vm, vm->def->maxvcpus) < 0) {
            openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
                        _("Could not set number of virtual cpu"));
            goto cleanup;
        }
    }

    dom = virGetDomain(conn, vm->def->name, vm->def->uuid);
    if (dom)
        dom->id = vm->def->id;

cleanup:
    virDomainDefFree(vmdef);
    if (vm)
        virDomainObjUnlock(vm);
    openvzDriverUnlock(driver);
    return dom;
}
Exemple #14
0
int openvzLoadDomains(struct openvz_driver *driver)
{
    int veid, ret;
    char *status;
    char uuidstr[VIR_UUID_STRING_BUFLEN];
    virDomainObjPtr dom = NULL;
    virDomainDefPtr def = NULL;
    char *temp = NULL;
    char *outbuf = NULL;
    char *line;
    virCommandPtr cmd = NULL;
    unsigned int vcpus = 0;

    if (openvzAssignUUIDs() < 0)
        return -1;

    cmd = virCommandNewArgList(VZLIST, "-a", "-ovpsid,status", "-H", NULL);
    virCommandSetOutputBuffer(cmd, &outbuf);
    if (virCommandRun(cmd, NULL) < 0)
        goto cleanup;

    line = outbuf;
    while (line[0] != '\0') {
        unsigned int flags = 0;
        if (virStrToLong_i(line, &status, 10, &veid) < 0 ||
            *status++ != ' ' ||
            (line = strchr(status, '\n')) == NULL) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Failed to parse vzlist output"));
            goto cleanup;
        }
        *line++ = '\0';

        if (!(def = virDomainDefNew()))
            goto cleanup;

        def->virtType = VIR_DOMAIN_VIRT_OPENVZ;

        if (STREQ(status, "stopped"))
            def->id = -1;
        else
            def->id = veid;
        if (virAsprintf(&def->name, "%i", veid) < 0)
            goto cleanup;

        openvzGetVPSUUID(veid, uuidstr, sizeof(uuidstr));
        ret = virUUIDParse(uuidstr, def->uuid);

        if (ret == -1) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("UUID in config file malformed"));
            goto cleanup;
        }

        def->os.type = VIR_DOMAIN_OSTYPE_EXE;
        if (VIR_STRDUP(def->os.init, "/sbin/init") < 0)
            goto cleanup;

        ret = openvzReadVPSConfigParam(veid, "CPUS", &temp);
        if (ret < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("Could not read config for container %d"),
                           veid);
            goto cleanup;
        } else if (ret > 0) {
            vcpus = strtoI(temp);
        }

        if (ret == 0 || vcpus == 0)
            vcpus = openvzGetNodeCPUs();

        def->maxvcpus = vcpus;
        def->vcpus = vcpus;

        /* XXX load rest of VM config data .... */

        openvzReadNetworkConf(def, veid);
        openvzReadFSConf(def, veid);
        openvzReadMemConf(def, veid);

        virUUIDFormat(def->uuid, uuidstr);
        flags = VIR_DOMAIN_OBJ_LIST_ADD_CHECK_LIVE;
        if (STRNEQ(status, "stopped"))
            flags |= VIR_DOMAIN_OBJ_LIST_ADD_LIVE;

        if (!(dom = virDomainObjListAdd(driver->domains,
                                        def,
                                        driver->xmlopt,
                                        flags,
                                        NULL)))
            goto cleanup;

        if (STREQ(status, "stopped")) {
            virDomainObjSetState(dom, VIR_DOMAIN_SHUTOFF,
                                 VIR_DOMAIN_SHUTOFF_UNKNOWN);
            dom->pid = -1;
        } else {
            virDomainObjSetState(dom, VIR_DOMAIN_RUNNING,
                                 VIR_DOMAIN_RUNNING_UNKNOWN);
            dom->pid = veid;
        }
        /* XXX OpenVZ doesn't appear to have concept of a transient domain */
        dom->persistent = 1;

        virObjectUnlock(dom);
        dom = NULL;
        def = NULL;
    }

    virCommandFree(cmd);
    VIR_FREE(temp);
    VIR_FREE(outbuf);

    return 0;

 cleanup:
    virCommandFree(cmd);
    VIR_FREE(temp);
    VIR_FREE(outbuf);
    virObjectUnref(dom);
    virDomainDefFree(def);
    return -1;
}
Exemple #15
0
/**
 * virLXCProcessCleanup:
 * @driver: pointer to driver structure
 * @vm: pointer to VM to clean up
 * @reason: reason for switching the VM to shutoff state
 *
 * Cleanout resources associated with the now dead VM
 *
 */
static void virLXCProcessCleanup(virLXCDriverPtr driver,
                                 virDomainObjPtr vm,
                                 virDomainShutoffReason reason)
{
    virCgroupPtr cgroup;
    int i;
    virLXCDomainObjPrivatePtr priv = vm->privateData;
    virNetDevVPortProfilePtr vport = NULL;

    VIR_DEBUG("Stopping VM name=%s pid=%d reason=%d",
              vm->def->name, (int)vm->pid, (int)reason);

    /* now that we know it's stopped call the hook if present */
    if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
        char *xml = virDomainDefFormat(vm->def, 0);

        /* we can't stop the operation even if the script raised an error */
        virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
                    VIR_HOOK_LXC_OP_STOPPED, VIR_HOOK_SUBOP_END,
                    NULL, xml, NULL);
        VIR_FREE(xml);
    }

    /* Stop autodestroy in case guest is restarted */
    virLXCProcessAutoDestroyRemove(driver, vm);

    if (priv->monitor) {
        virLXCMonitorClose(priv->monitor);
        virObjectUnref(priv->monitor);
        priv->monitor = NULL;
    }

    virPidFileDelete(driver->stateDir, vm->def->name);
    virDomainDeleteConfig(driver->stateDir, NULL, vm);

    virDomainObjSetState(vm, VIR_DOMAIN_SHUTOFF, reason);
    vm->pid = -1;
    vm->def->id = -1;

    driver->nactive--;
    if (!driver->nactive && driver->inhibitCallback)
        driver->inhibitCallback(false, driver->inhibitOpaque);

    virLXCDomainReAttachHostDevices(driver, vm->def);

    for (i = 0 ; i < vm->def->nnets ; i++) {
        virDomainNetDefPtr iface = vm->def->nets[i];
        vport = virDomainNetGetActualVirtPortProfile(iface);
        if (iface->ifname) {
            ignore_value(virNetDevSetOnline(iface->ifname, false));
            if (vport &&
                vport->virtPortType == VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH)
                ignore_value(virNetDevOpenvswitchRemovePort(
                                virDomainNetGetActualBridgeName(iface),
                                iface->ifname));
            ignore_value(virNetDevVethDelete(iface->ifname));
        }
        networkReleaseActualDevice(iface);
    }

    virDomainConfVMNWFilterTeardown(vm);

    if (driver->cgroup &&
        virCgroupForDomain(driver->cgroup, vm->def->name, &cgroup, 0) == 0) {
        virCgroupRemove(cgroup);
        virCgroupFree(&cgroup);
    }

    /* now that we know it's stopped call the hook if present */
    if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
        char *xml = virDomainDefFormat(vm->def, 0);

        /* we can't stop the operation even if the script raised an error */
        virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
                    VIR_HOOK_LXC_OP_RELEASE, VIR_HOOK_SUBOP_END,
                    NULL, xml, NULL);
        VIR_FREE(xml);
    }

    if (vm->newDef) {
        virDomainDefFree(vm->def);
        vm->def = vm->newDef;
        vm->def->id = -1;
        vm->newDef = NULL;
    }
}
Exemple #16
0
int lxctoolsLoadDomains(struct lxctools_driver *driver)
{
    int i,flags;
    virDomainObjPtr dom = NULL;
    virDomainDefPtr def = NULL;
    int cret_len;
    struct lxc_container** cret;
    char** names;
    virDomainXMLOptionPtr xmlopt;

    if ((cret_len = list_all_containers(driver->path, &names, &cret)) < 0)
        goto cleanup;

    for (i=0; i < cret_len; ++i) {
        if (!(def = virDomainDefNew()))
            goto cleanup;

        def->virtType = VIR_DOMAIN_VIRT_LXCTOOLS;
        if (!cret[i]->is_running(cret[i])) {
            def->id = -1;
        } else {
            def->id = cret[i]->init_pid(cret[i]);
        }

        
        if (lxctoolsReadUUID(cret[i], def->uuid) < 0) {
            virReportError(VIR_ERR_OPERATION_FAILED, "%s", "could not parse UUID");
            goto cleanup;
        } 


        def->os.type = VIR_DOMAIN_OSTYPE_EXE;
        def->name = names[i];

        if (lxctoolsReadConfig(cret[i], def) < 0){
            goto cleanup;
        }
        flags = VIR_DOMAIN_OBJ_LIST_ADD_CHECK_LIVE;
        if (def->id != -1)
           flags |= VIR_DOMAIN_OBJ_LIST_ADD_LIVE;

        if (!(xmlopt = virDomainXMLOptionNew(NULL, NULL, NULL, NULL, NULL)))
            goto cleanup;

        if (!(dom = virDomainObjListAdd(driver->domains,
                                        def,
                                        xmlopt,
                                        flags,
                                        NULL)))
            goto cleanup;
        if (!cret[i]->is_running(cret[i])) {
            virDomainObjSetState(dom, VIR_DOMAIN_SHUTOFF,
                                 VIR_DOMAIN_SHUTOFF_UNKNOWN);
            dom->pid = -1;
        } else {
            virDomainObjSetState(dom, VIR_DOMAIN_RUNNING,
                                 VIR_DOMAIN_RUNNING_UNKNOWN);
            dom->pid = cret[i]->init_pid(cret[i]);
        }
        dom->persistent = 1;
        dom->privateData = cret[i];
        dom->privateDataFreeFunc = &container_cleaner;
        virObjectUnlock(dom);
        dom = NULL;
        def = NULL;
    }
    return 0;

cleanup:
    VIR_FREE(cret);
    virObjectUnref(dom);
    virDomainDefFree(def);
    return -1;
}