mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-10-14 18:19:22 +00:00
500f23767a
Virtuozzo hypervisor supports native iomode. So we should allow to add disk with iomode "native" or "default".
496 lines
15 KiB
C
496 lines
15 KiB
C
/*
|
|
* vz_utils.c: core driver functions for managing
|
|
* Parallels Cloud Server hosts
|
|
*
|
|
* Copyright (C) 2012 Parallels, Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; If not, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include <stdarg.h>
|
|
|
|
#include "vircommand.h"
|
|
#include "virerror.h"
|
|
#include "viralloc.h"
|
|
#include "virjson.h"
|
|
#include "vz_utils.h"
|
|
#include "vz_sdk.h"
|
|
#include "virstring.h"
|
|
#include "datatypes.h"
|
|
#include "virlog.h"
|
|
|
|
#define VIR_FROM_THIS VIR_FROM_PARALLELS
|
|
#define PRLSRVCTL "prlsrvctl"
|
|
|
|
VIR_LOG_INIT("parallels.utils");
|
|
|
|
static virDomainDiskBus vz6DiskBuses[] = {VIR_DOMAIN_DISK_BUS_IDE,
|
|
VIR_DOMAIN_DISK_BUS_SCSI,
|
|
VIR_DOMAIN_DISK_BUS_SATA,
|
|
VIR_DOMAIN_DISK_BUS_LAST};
|
|
|
|
static virDomainDiskBus vz7DiskBuses[] = {VIR_DOMAIN_DISK_BUS_IDE,
|
|
VIR_DOMAIN_DISK_BUS_SCSI,
|
|
VIR_DOMAIN_DISK_BUS_LAST};
|
|
|
|
static virDomainControllerType vz6ControllerTypes[] = {VIR_DOMAIN_CONTROLLER_TYPE_SCSI,
|
|
VIR_DOMAIN_CONTROLLER_TYPE_IDE,
|
|
VIR_DOMAIN_CONTROLLER_TYPE_SATA,
|
|
VIR_DOMAIN_CONTROLLER_TYPE_LAST};
|
|
|
|
static virDomainControllerType vz7ControllerTypes[] = {VIR_DOMAIN_CONTROLLER_TYPE_SCSI,
|
|
VIR_DOMAIN_CONTROLLER_TYPE_IDE,
|
|
VIR_DOMAIN_CONTROLLER_TYPE_LAST};
|
|
|
|
/**
|
|
* vzDomObjFromDomain:
|
|
* @domain: Domain pointer that has to be looked up
|
|
*
|
|
* This function looks up @domain and returns the appropriate virDomainObjPtr
|
|
* that has to be unlocked by virObjectUnlock().
|
|
*
|
|
* Returns the domain object without incremented reference counter which is locked
|
|
* on success, NULL otherwise.
|
|
*/
|
|
virDomainObjPtr
|
|
vzDomObjFromDomain(virDomainPtr domain)
|
|
{
|
|
virDomainObjPtr vm;
|
|
vzConnPtr privconn = domain->conn->privateData;
|
|
char uuidstr[VIR_UUID_STRING_BUFLEN];
|
|
|
|
vm = virDomainObjListFindByUUID(privconn->domains, domain->uuid);
|
|
if (!vm) {
|
|
virUUIDFormat(domain->uuid, uuidstr);
|
|
virReportError(VIR_ERR_NO_DOMAIN,
|
|
_("no domain with matching uuid '%s' (%s)"),
|
|
uuidstr, domain->name);
|
|
return NULL;
|
|
}
|
|
|
|
return vm;
|
|
|
|
}
|
|
|
|
/**
|
|
* vzDomObjFromDomainRef:
|
|
* @domain: Domain pointer that has to be looked up
|
|
*
|
|
* This function looks up @domain and returns the appropriate virDomainObjPtr
|
|
* that has to be released by calling virDomainObjEndAPI().
|
|
*
|
|
* Returns the domain object with incremented reference counter which is locked
|
|
* on success, NULL otherwise.
|
|
*/
|
|
virDomainObjPtr
|
|
vzDomObjFromDomainRef(virDomainPtr domain)
|
|
{
|
|
virDomainObjPtr vm;
|
|
vzConnPtr privconn = domain->conn->privateData;
|
|
char uuidstr[VIR_UUID_STRING_BUFLEN];
|
|
|
|
vm = virDomainObjListFindByUUIDRef(privconn->domains, domain->uuid);
|
|
if (!vm) {
|
|
virUUIDFormat(domain->uuid, uuidstr);
|
|
virReportError(VIR_ERR_NO_DOMAIN,
|
|
_("no domain with matching uuid '%s' (%s)"),
|
|
uuidstr, domain->name);
|
|
return NULL;
|
|
}
|
|
|
|
return vm;
|
|
}
|
|
|
|
static int
|
|
vzDoCmdRun(char **outbuf, const char *binary, va_list list)
|
|
{
|
|
virCommandPtr cmd = virCommandNewVAList(binary, list);
|
|
int ret = -1;
|
|
|
|
if (outbuf)
|
|
virCommandSetOutputBuffer(cmd, outbuf);
|
|
|
|
if (virCommandRun(cmd, NULL) < 0)
|
|
goto cleanup;
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
virCommandFree(cmd);
|
|
if (ret && outbuf)
|
|
VIR_FREE(*outbuf);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Run command and return its output, pointer to
|
|
* buffer or NULL in case of error. Caller os responsible
|
|
* for freeing the buffer.
|
|
*/
|
|
char *
|
|
vzGetOutput(const char *binary, ...)
|
|
{
|
|
char *outbuf;
|
|
va_list list;
|
|
int ret;
|
|
|
|
va_start(list, binary);
|
|
ret = vzDoCmdRun(&outbuf, binary, list);
|
|
va_end(list);
|
|
if (ret)
|
|
return NULL;
|
|
|
|
return outbuf;
|
|
}
|
|
|
|
virDomainObjPtr
|
|
vzNewDomain(vzConnPtr privconn, char *name, const unsigned char *uuid)
|
|
{
|
|
virDomainDefPtr def = NULL;
|
|
virDomainObjPtr dom = NULL;
|
|
vzDomObjPtr pdom = NULL;
|
|
|
|
if (!(def = virDomainDefNewFull(name, uuid, -1)))
|
|
goto error;
|
|
|
|
if (VIR_ALLOC(pdom) < 0)
|
|
goto error;
|
|
|
|
if (virCondInit(&pdom->cache.cond) < 0) {
|
|
virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("cannot initialize condition"));
|
|
goto error;
|
|
}
|
|
pdom->cache.stats = PRL_INVALID_HANDLE;
|
|
pdom->cache.count = -1;
|
|
|
|
def->virtType = VIR_DOMAIN_VIRT_VZ;
|
|
|
|
if (!(dom = virDomainObjListAdd(privconn->domains, def,
|
|
privconn->xmlopt,
|
|
0, NULL)))
|
|
goto error;
|
|
|
|
dom->privateData = pdom;
|
|
dom->privateDataFreeFunc = prlsdkDomObjFreePrivate;
|
|
dom->persistent = 1;
|
|
return dom;
|
|
|
|
error:
|
|
if (pdom && pdom->cache.count == -1)
|
|
virCondDestroy(&pdom->cache.cond);
|
|
virDomainDefFree(def);
|
|
VIR_FREE(pdom);
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
vzInitCaps(unsigned long vzVersion, vzCapabilities *vzCaps)
|
|
{
|
|
if (vzVersion < VIRTUOZZO_VER_7) {
|
|
vzCaps->ctDiskFormat = VIR_STORAGE_FILE_PLOOP;
|
|
vzCaps->vmDiskFormat = VIR_STORAGE_FILE_PLOOP;
|
|
vzCaps->diskBuses = vz6DiskBuses;
|
|
vzCaps->controllerTypes = vz6ControllerTypes;
|
|
vzCaps->scsiControllerModel = VIR_DOMAIN_CONTROLLER_MODEL_SCSI_BUSLOGIC;
|
|
} else {
|
|
vzCaps->ctDiskFormat = VIR_STORAGE_FILE_PLOOP;
|
|
vzCaps->vmDiskFormat = VIR_STORAGE_FILE_QCOW2;
|
|
vzCaps->diskBuses = vz7DiskBuses;
|
|
vzCaps->controllerTypes = vz7ControllerTypes;
|
|
vzCaps->scsiControllerModel = VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI;
|
|
}
|
|
}
|
|
|
|
int
|
|
vzInitVersion(vzConnPtr privconn)
|
|
{
|
|
char *output, *sVer, *tmp;
|
|
const char *searchStr = "prlsrvctl version ";
|
|
int ret = -1;
|
|
|
|
output = vzGetOutput(PRLSRVCTL, "--help", NULL);
|
|
|
|
if (!output) {
|
|
vzParseError();
|
|
goto cleanup;
|
|
}
|
|
|
|
if (!(sVer = strstr(output, searchStr))) {
|
|
vzParseError();
|
|
goto cleanup;
|
|
}
|
|
|
|
sVer = sVer + strlen(searchStr);
|
|
|
|
/* parallels server has versions number like 6.0.17977.782218 or 7.0.0,
|
|
* In libvirt we handle only first two numbers. */
|
|
if (!(tmp = strchr(sVer, '.'))) {
|
|
vzParseError();
|
|
goto cleanup;
|
|
}
|
|
|
|
if (!(tmp = strchr(tmp + 1, '.'))) {
|
|
vzParseError();
|
|
goto cleanup;
|
|
}
|
|
|
|
tmp[0] = '\0';
|
|
if (virParseVersionString(sVer, &(privconn->vzVersion), true) < 0) {
|
|
vzParseError();
|
|
goto cleanup;
|
|
}
|
|
|
|
vzInitCaps(privconn->vzVersion, &privconn->vzCaps);
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
VIR_FREE(output);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
vzCheckDiskUnsupportedParams(virDomainDiskDefPtr disk)
|
|
{
|
|
if (disk->device != VIR_DOMAIN_DISK_DEVICE_DISK &&
|
|
disk->device != VIR_DOMAIN_DISK_DEVICE_CDROM) {
|
|
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Only hard disks and cdroms are supported "
|
|
"by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->blockio.logical_block_size ||
|
|
disk->blockio.physical_block_size) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Setting disk block sizes is not "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->blkdeviotune.total_bytes_sec ||
|
|
disk->blkdeviotune.read_bytes_sec ||
|
|
disk->blkdeviotune.write_bytes_sec ||
|
|
disk->blkdeviotune.total_iops_sec ||
|
|
disk->blkdeviotune.read_iops_sec ||
|
|
disk->blkdeviotune.write_iops_sec) {
|
|
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Setting disk io limits is not "
|
|
"supported by vz driver yet."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->serial) {
|
|
VIR_INFO("%s", _("Setting disk serial number is not "
|
|
"supported by vz driver."));
|
|
}
|
|
|
|
if (disk->wwn) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Setting disk wwn id is not "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->vendor) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Setting disk vendor is not "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->product) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Setting disk product id is not "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->error_policy != VIR_DOMAIN_DISK_ERROR_POLICY_DEFAULT) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Setting disk error policy is not "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->iomode != VIR_DOMAIN_DISK_IO_DEFAULT &&
|
|
disk->iomode != VIR_DOMAIN_DISK_IO_NATIVE) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Only native iomode is "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->copy_on_read) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Disk copy_on_read is not "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->startupPolicy != VIR_DOMAIN_STARTUP_POLICY_DEFAULT) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Setting up disk startup policy is not "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->transient) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Transient disks are not "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->discard) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Setting up disk discard parameter is not "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->iothread) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Setting up disk io thread # is not "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
}
|
|
|
|
if (disk->src->type != VIR_STORAGE_TYPE_FILE &&
|
|
disk->src->type != VIR_STORAGE_TYPE_BLOCK) {
|
|
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Only disk and block storage types are "
|
|
"supported by vz driver."));
|
|
return -1;
|
|
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
vzCheckUnsupportedDisks(virDomainDefPtr def, vzCapabilitiesPtr vzCaps)
|
|
{
|
|
size_t i, j;
|
|
virDomainDiskDefPtr disk;
|
|
virStorageFileFormat diskFormat;
|
|
bool supported;
|
|
|
|
for (i = 0; i < def->ndisks; i++) {
|
|
disk = def->disks[i];
|
|
|
|
if (vzCheckDiskUnsupportedParams(disk) < 0)
|
|
return -1;
|
|
|
|
diskFormat = virDomainDiskGetFormat(disk);
|
|
supported = true;
|
|
if (disk->src->type == VIR_STORAGE_TYPE_FILE) {
|
|
if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK &&
|
|
diskFormat != VIR_STORAGE_FILE_NONE) {
|
|
|
|
if (IS_CT(def))
|
|
supported = vzCaps->ctDiskFormat == diskFormat;
|
|
else
|
|
supported = vzCaps->vmDiskFormat == diskFormat;
|
|
}
|
|
} else {
|
|
if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
|
|
supported = diskFormat == VIR_STORAGE_FILE_RAW ||
|
|
diskFormat == VIR_STORAGE_FILE_NONE ||
|
|
diskFormat == VIR_STORAGE_FILE_AUTO;
|
|
}
|
|
}
|
|
|
|
if (!supported) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
|
|
_("Unsupported format of disk %s"),
|
|
disk->src->path);
|
|
return -1;
|
|
}
|
|
for (j = 0; vzCaps->diskBuses[j] != VIR_DOMAIN_DISK_BUS_LAST; j++) {
|
|
if (disk->bus == vzCaps->diskBuses[j])
|
|
break;
|
|
}
|
|
|
|
if (vzCaps->diskBuses[j] == VIR_DOMAIN_DISK_BUS_LAST) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
|
|
_("Unsupported disk bus type %s"),
|
|
virDomainDiskBusTypeToString(disk->bus));
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
vzCheckUnsupportedControllers(virDomainDefPtr def, vzCapabilitiesPtr vzCaps)
|
|
{
|
|
size_t i, j;
|
|
virDomainControllerDefPtr controller;
|
|
|
|
for (i = 0; i < def->ncontrollers; i++) {
|
|
controller = def->controllers[i];
|
|
|
|
for (j = 0; vzCaps->controllerTypes[j] != VIR_DOMAIN_CONTROLLER_TYPE_LAST; j++) {
|
|
if (controller->type == vzCaps->controllerTypes[j])
|
|
break;
|
|
}
|
|
|
|
if (vzCaps->controllerTypes[j] == VIR_DOMAIN_CONTROLLER_TYPE_LAST) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
|
|
_("Unsupported controller type %s"),
|
|
virDomainControllerTypeToString(controller->type));
|
|
return -1;
|
|
}
|
|
|
|
if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI &&
|
|
controller->model != -1 &&
|
|
controller->model != VIR_DOMAIN_CONTROLLER_MODEL_SCSI_AUTO &&
|
|
controller->model != vzCaps->scsiControllerModel) {
|
|
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
|
|
_("Unsupported SCSI controller model %s"),
|
|
virDomainControllerModelSCSITypeToString(controller->model));
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int vzGetDefaultSCSIModel(vzConnPtr privconn,
|
|
PRL_CLUSTERED_DEVICE_SUBTYPE *scsiModel)
|
|
{
|
|
switch (privconn->vzCaps.scsiControllerModel) {
|
|
case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI:
|
|
*scsiModel = PCD_VIRTIO_SCSI;
|
|
break;
|
|
case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_BUSLOGIC:
|
|
*scsiModel = PCD_BUSLOGIC;
|
|
break;
|
|
default:
|
|
virReportError(VIR_ERR_INTERNAL_ERROR,
|
|
_("Unknown SCSI controller model %s"),
|
|
virDomainControllerModelSCSITypeToString(
|
|
privconn->vzCaps.scsiControllerModel));
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|