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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
/**
* 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);
}
/**
* 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;
}
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;
}
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;
}
/**
* 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;
}
}
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;
}
