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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package com.cloud.upgrade;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.net.URI;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.sql.Connection;
import java.sql.Date;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;
import java.util.UUID;
import java.util.stream.Collectors;
import javax.inject.Inject;
import org.apache.cloudstack.engine.subsystem.api.storage.ObjectInDataStoreStateMachine;
import org.apache.cloudstack.framework.config.dao.ConfigurationDao;
import org.apache.cloudstack.framework.config.dao.ConfigurationDaoImpl;
import org.apache.cloudstack.framework.config.impl.ConfigurationVO;
import org.apache.cloudstack.storage.datastore.db.ImageStoreDao;
import org.apache.cloudstack.storage.datastore.db.ImageStoreDaoImpl;
import org.apache.cloudstack.storage.datastore.db.ImageStoreDetailsDao;
import org.apache.cloudstack.storage.datastore.db.ImageStoreDetailsDaoImpl;
import org.apache.cloudstack.storage.datastore.db.ImageStoreVO;
import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreVO;
import org.apache.cloudstack.utils.security.DigestHelper;
import org.apache.cloudstack.utils.server.ServerPropertiesUtil;
import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.ini4j.Ini;
import com.cloud.cpu.CPU;
import com.cloud.dc.DataCenterVO;
import com.cloud.dc.dao.ClusterDao;
import com.cloud.dc.dao.ClusterDaoImpl;
import com.cloud.dc.dao.DataCenterDao;
import com.cloud.dc.dao.DataCenterDaoImpl;
import com.cloud.dc.dao.DataCenterDetailsDao;
import com.cloud.dc.dao.DataCenterDetailsDaoImpl;
import com.cloud.hypervisor.Hypervisor;
import com.cloud.storage.DataStoreRole;
import com.cloud.storage.GuestOSVO;
import com.cloud.storage.Storage;
import com.cloud.storage.Storage.ImageFormat;
import com.cloud.storage.VMTemplateStorageResourceAssoc;
import com.cloud.storage.VMTemplateVO;
import com.cloud.storage.VMTemplateZoneVO;
import com.cloud.storage.dao.GuestOSDao;
import com.cloud.storage.dao.GuestOSDaoImpl;
import com.cloud.storage.dao.VMTemplateDao;
import com.cloud.storage.dao.VMTemplateDaoImpl;
import com.cloud.storage.dao.VMTemplateZoneDao;
import com.cloud.storage.dao.VMTemplateZoneDaoImpl;
import com.cloud.template.VirtualMachineTemplate;
import com.cloud.upgrade.dao.BasicTemplateDataStoreDaoImpl;
import com.cloud.user.Account;
import com.cloud.utils.DateUtil;
import com.cloud.utils.HttpUtils;
import com.cloud.utils.Pair;
import com.cloud.utils.UriUtils;
import com.cloud.utils.db.GlobalLock;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.db.TransactionCallbackNoReturn;
import com.cloud.utils.db.TransactionStatus;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.script.Script;
import com.cloud.vm.dao.VMInstanceDao;
import com.cloud.vm.dao.VMInstanceDaoImpl;
public class SystemVmTemplateRegistration {
protected static Logger LOGGER = LogManager.getLogger(SystemVmTemplateRegistration.class);
private static final String MOUNT_COMMAND_BASE = "sudo mount -t nfs";
private static final String UMOUNT_COMMAND = "sudo umount %s";
private static final String RELATIVE_TEMPLATE_PATH = "./engine/schema/dist/systemvm-templates/";
private static final String ABSOLUTE_TEMPLATE_PATH = "/usr/share/cloudstack-management/templates/systemvm/";
private static final String TEMPLATES_PATH = fetchTemplatesPath();
private static final String METADATA_FILE_NAME = "metadata.ini";
private static final String METADATA_FILE = TEMPLATES_PATH + METADATA_FILE_NAME;
public static final String TEMPORARY_SECONDARY_STORE = "tmp";
private static final String PARTIAL_TEMPLATE_FOLDER = String.format("/template/tmpl/%d/", Account.ACCOUNT_ID_SYSTEM);
protected static final String STORAGE_SCRIPTS_DIR = "scripts/storage/secondary";
private static final Integer OTHER_LINUX_ID = 99;
protected static Integer LINUX_12_ID = 363;
private static final Integer SCRIPT_TIMEOUT = 1800000;
private static final Integer LOCK_WAIT_TIMEOUT = 1200;
protected static final String TEMPLATE_DOWNLOAD_URL_KEY = "downloadurl";
protected static final String TEMPLATES_DOWNLOAD_REPOSITORY_KEY = "downloadrepository";
protected static final String TEMPLATES_CUSTOM_DOWNLOAD_REPOSITORY_KEY = "system.vm.templates.download.repository";
protected static final List<CPU.CPUArch> DOWNLOADABLE_TEMPLATE_ARCH_TYPES = Arrays.asList(
CPU.CPUArch.amd64,
CPU.CPUArch.arm64
);
protected static final String MINIMUM_SYSTEM_VM_VERSION_KEY = "minreq.sysvmtemplate.version";
protected static final String DEFAULT_SYSTEM_VM_GUEST_OS_NAME = "Debian GNU/Linux 12 (64-bit)";
public static String CS_MAJOR_VERSION = null;
public static String CS_TINY_VERSION = null;
@Inject
DataCenterDao dataCenterDao;
@Inject
VMTemplateDao vmTemplateDao;
@Inject
VMTemplateZoneDao vmTemplateZoneDao;
@Inject
TemplateDataStoreDao templateDataStoreDao;
@Inject
VMInstanceDao vmInstanceDao;
@Inject
ImageStoreDao imageStoreDao;
@Inject
ImageStoreDetailsDao imageStoreDetailsDao;
@Inject
ClusterDao clusterDao;
@Inject
ConfigurationDao configurationDao;
@Inject
DataCenterDetailsDao dataCenterDetailsDao;
@Inject
GuestOSDao guestOSDao;
private String systemVmTemplateVersion;
private final File tempDownloadDir;
public SystemVmTemplateRegistration() {
dataCenterDao = new DataCenterDaoImpl();
dataCenterDetailsDao = new DataCenterDetailsDaoImpl();
vmTemplateDao = new VMTemplateDaoImpl();
vmTemplateZoneDao = new VMTemplateZoneDaoImpl();
templateDataStoreDao = new BasicTemplateDataStoreDaoImpl();
vmInstanceDao = new VMInstanceDaoImpl();
imageStoreDao = new ImageStoreDaoImpl();
imageStoreDetailsDao = new ImageStoreDetailsDaoImpl();
clusterDao = new ClusterDaoImpl();
configurationDao = new ConfigurationDaoImpl();
guestOSDao = new GuestOSDaoImpl();
tempDownloadDir = new File(System.getProperty("java.io.tmpdir"));
}
/**
* Convenience constructor method to use when there is no system VM Template change for a new version.
*/
public SystemVmTemplateRegistration(String systemVmTemplateVersion) {
this();
this.systemVmTemplateVersion = systemVmTemplateVersion;
}
protected static class SystemVMTemplateDetails {
Long id;
String uuid;
String name;
String uniqueName;
Date created;
String url;
String checksum;
ImageFormat format;
Integer guestOsId;
Hypervisor.HypervisorType hypervisorType;
CPU.CPUArch arch;
Long storeId;
Long size;
Long physicalSize;
String installPath;
boolean deployAsIs;
Date updated;
SystemVMTemplateDetails(String uuid, String name, Date created, String url, String checksum,
ImageFormat format, Integer guestOsId, Hypervisor.HypervisorType hypervisorType,
CPU.CPUArch arch, Long storeId) {
this.uuid = uuid;
this.name = name;
this.created = created;
this.url = url;
this.checksum = checksum;
this.format = format;
this.guestOsId = guestOsId;
this.hypervisorType = hypervisorType;
this.arch = arch;
this.storeId = storeId;
}
public void setId(Long id) {
this.id = id;
}
public Long getId() {
return id;
}
public String getUuid() {
return uuid;
}
public String getName() {
return name;
}
public Date getCreated() {
return created;
}
public String getUrl() {
return url;
}
public String getChecksum() {
return checksum;
}
public ImageFormat getFormat() {
return format;
}
public Integer getGuestOsId() {
return guestOsId;
}
public Hypervisor.HypervisorType getHypervisorType() {
return hypervisorType;
}
public CPU.CPUArch getArch() {
return arch;
}
public Long getStoreId() {
return storeId;
}
public Long getSize() {
return size;
}
public void setSize(Long size) {
this.size = size;
}
public Long getPhysicalSize() {
return physicalSize;
}
public void setPhysicalSize(Long physicalSize) {
this.physicalSize = physicalSize;
}
public String getInstallPath() {
return installPath;
}
public void setInstallPath(String installPath) {
this.installPath = installPath;
}
public String getUniqueName() {
return uniqueName;
}
public void setUniqueName(String uniqueName) {
this.uniqueName = uniqueName;
}
public boolean isDeployAsIs() {
return deployAsIs;
}
public void setDeployAsIs(boolean deployAsIs) {
this.deployAsIs = deployAsIs;
}
public Date getUpdated() {
return updated;
}
public void setUpdated(Date updated) {
this.updated = updated;
}
}
protected static final List<Pair<Hypervisor.HypervisorType, CPU.CPUArch>> AVAILABLE_SYSTEM_TEMPLATES_HYPERVISOR_ARCH_LIST = Arrays.asList(
new Pair<>(Hypervisor.HypervisorType.KVM, CPU.CPUArch.amd64),
new Pair<>(Hypervisor.HypervisorType.KVM, CPU.CPUArch.arm64),
new Pair<>(Hypervisor.HypervisorType.VMware, CPU.CPUArch.amd64),
new Pair<>(Hypervisor.HypervisorType.XenServer, CPU.CPUArch.amd64),
new Pair<>(Hypervisor.HypervisorType.Hyperv, CPU.CPUArch.amd64),
new Pair<>(Hypervisor.HypervisorType.LXC, CPU.CPUArch.amd64),
new Pair<>(Hypervisor.HypervisorType.Ovm3, CPU.CPUArch.amd64)
);
protected static final List<MetadataTemplateDetails> METADATA_TEMPLATE_LIST = new ArrayList<>();
protected static final Map<Hypervisor.HypervisorType, String> ROUTER_TEMPLATE_CONFIGURATION_NAMES = new HashMap<>() {
{
put(Hypervisor.HypervisorType.KVM, "router.template.kvm");
put(Hypervisor.HypervisorType.VMware, "router.template.vmware");
put(Hypervisor.HypervisorType.XenServer, "router.template.xenserver");
put(Hypervisor.HypervisorType.Hyperv, "router.template.hyperv");
put(Hypervisor.HypervisorType.LXC, "router.template.lxc");
put(Hypervisor.HypervisorType.Ovm3, "router.template.ovm3");
}
};
protected static final Map<Hypervisor.HypervisorType, ImageFormat> HYPERVISOR_IMAGE_FORMAT_MAP = new HashMap<>() {
{
put(Hypervisor.HypervisorType.KVM, ImageFormat.QCOW2);
put(Hypervisor.HypervisorType.XenServer, ImageFormat.VHD);
put(Hypervisor.HypervisorType.VMware, ImageFormat.OVA);
put(Hypervisor.HypervisorType.Hyperv, ImageFormat.VHD);
put(Hypervisor.HypervisorType.LXC, ImageFormat.QCOW2);
put(Hypervisor.HypervisorType.Ovm3, ImageFormat.RAW);
}
};
protected static Map<Hypervisor.HypervisorType, Integer> hypervisorGuestOsMap = new HashMap<>() {
{
put(Hypervisor.HypervisorType.KVM, LINUX_12_ID);
put(Hypervisor.HypervisorType.XenServer, OTHER_LINUX_ID);
put(Hypervisor.HypervisorType.VMware, OTHER_LINUX_ID);
put(Hypervisor.HypervisorType.Hyperv, LINUX_12_ID);
put(Hypervisor.HypervisorType.LXC, LINUX_12_ID);
put(Hypervisor.HypervisorType.Ovm3, LINUX_12_ID);
}
};
private static boolean isRunningInTest() {
return "true".equalsIgnoreCase(System.getProperty("test.mode"));
}
private static String getHypervisorArchLog(Hypervisor.HypervisorType hypervisorType, CPU.CPUArch arch) {
StringBuilder sb = new StringBuilder("hypervisor: ").append(hypervisorType.name());
sb.append(", arch: ").append(arch == null ? CPU.CPUArch.amd64.getType() : arch.getType());
return sb.toString();
}
/**
* Attempts to determine the templates directory path by locating the metadata file.
* <p>
* This method checks if the application is running in a test environment by invoking
* {@code isRunningInTest()}. If so, it immediately returns the {@code RELATIVE_TEMPLATE_PATH}.
* </p>
* <p>
* Otherwise, it creates a list of candidate paths (typically including both relative and absolute
* template paths) and iterates through them. For each candidate, it constructs the metadata file
* path by appending {@code METADATA_FILE_NAME} to {@code RELATIVE_TEMPLATE_PATH} (note: the candidate
* path is not used in the file path construction in this implementation) and checks if that file exists.
* If the metadata file exists, the candidate path is returned.
* </p>
* <p>
* If none of the candidate paths contain the metadata file, the method logs an error and throws a
* {@link CloudRuntimeException}.
* </p>
*
* @return the path to the templates directory if the metadata file is found, or {@code RELATIVE_TEMPLATE_PATH}
* when running in a test environment.
* @throws CloudRuntimeException if the metadata file cannot be located in any of the candidate paths.
*/
private static String fetchTemplatesPath() {
if (isRunningInTest()) {
return RELATIVE_TEMPLATE_PATH;
}
List<String> paths = Arrays.asList(RELATIVE_TEMPLATE_PATH, ABSOLUTE_TEMPLATE_PATH);
for (String path : paths) {
String filePath = path + METADATA_FILE_NAME;
LOGGER.debug("Looking for file [ {} ] in the classpath.", filePath);
File metaFile = new File(filePath);
if (metaFile.exists()) {
return path;
}
}
String errMsg = String.format("Unable to locate metadata file in your setup at %s", StringUtils.join(paths));
LOGGER.error(errMsg);
throw new CloudRuntimeException(errMsg);
}
protected static void cleanupStore(Long templateId, String filePath) {
String destTempFolder = filePath + PARTIAL_TEMPLATE_FOLDER + String.valueOf(templateId);
try {
Files.deleteIfExists(Paths.get(destTempFolder));
} catch (IOException e) {
LOGGER.error("Failed to cleanup mounted store at: {}", filePath, e);
}
}
protected static Pair<Long, Long> readTemplatePropertiesSizes(String path) {
File tmpFile = new File(path);
Long size = null;
Long physicalSize = 0L;
try (FileReader fr = new FileReader(tmpFile); BufferedReader brf = new BufferedReader(fr);) {
String line = null;
while ((line = brf.readLine()) != null) {
if (line.startsWith("size=")) {
physicalSize = Long.parseLong(line.split("=")[1]);
} else if (line.startsWith("virtualsize=")) {
size = Long.parseLong(line.split("=")[1]);
}
if (size == null) {
size = physicalSize;
}
}
} catch (IOException ex) {
LOGGER.warn("Failed to read from template.properties", ex);
}
return new Pair<>(size, physicalSize);
}
protected static MetadataTemplateDetails getMetadataTemplateDetails(Hypervisor.HypervisorType hypervisorType,
CPU.CPUArch arch) {
return METADATA_TEMPLATE_LIST
.stream()
.filter(x -> Objects.equals(x.getHypervisorType(), hypervisorType) &&
Objects.equals(x.getArch(), arch))
.findFirst()
.orElse(null);
}
protected static String getMetadataFilePath() {
return METADATA_FILE;
}
protected static Ini.Section getMetadataSectionForHypervisorAndArch(Ini ini,
Hypervisor.HypervisorType hypervisorType, CPU.CPUArch arch) {
String key = String.format("%s-%s", hypervisorType.name().toLowerCase(),
arch.getType().toLowerCase());
Ini.Section section = ini.get(key);
if (section == null && !Hypervisor.HypervisorType.KVM.equals(hypervisorType)) {
key = String.format("%s", hypervisorType.name().toLowerCase());
section = ini.get(key);
}
return section;
}
protected static String getMountCommand(String nfsVersion, String device, String dir) {
String cmd = MOUNT_COMMAND_BASE;
if (StringUtils.isNotBlank(nfsVersion)) {
cmd = String.format("%s -o vers=%s", cmd, nfsVersion);
}
return String.format("%s %s %s", cmd, device, dir);
}
/**
* This method parses the metadata file consisting of the system VM Templates information
* @return the version of the system VM Template that is to be used. This is done in order
* to fallback on the latest available version of the system VM Template when there doesn't
* exist a template corresponding to the current code version.
*/
public static String parseMetadataFile() {
String metadataFilePath = getMetadataFilePath();
String errMsg = String.format("Failed to parse system VM Template metadata file: %s", metadataFilePath);
final Ini ini = new Ini();
try (FileReader reader = new FileReader(metadataFilePath)) {
ini.load(reader);
} catch (IOException e) {
LOGGER.error(errMsg, e);
throw new CloudRuntimeException(errMsg, e);
}
if (!ini.containsKey("default")) {
errMsg = String.format("%s as unable to default section", errMsg);
LOGGER.error(errMsg);
throw new CloudRuntimeException(errMsg);
}
Ini.Section defaultSection = ini.get("default");
String defaultDownloadRepository = defaultSection.get(TEMPLATES_DOWNLOAD_REPOSITORY_KEY);
String customDownloadRepository = ServerPropertiesUtil.getProperty(TEMPLATES_CUSTOM_DOWNLOAD_REPOSITORY_KEY);
boolean updateCustomDownloadRepository = StringUtils.isNotBlank(customDownloadRepository) &&
StringUtils.isNotBlank(defaultDownloadRepository);
for (Pair<Hypervisor.HypervisorType, CPU.CPUArch> hypervisorTypeArchPair : AVAILABLE_SYSTEM_TEMPLATES_HYPERVISOR_ARCH_LIST) {
String key = String.format("%s-%s", hypervisorTypeArchPair.first().name().toLowerCase(),
hypervisorTypeArchPair.second().getType().toLowerCase());
Ini.Section section = getMetadataSectionForHypervisorAndArch(ini, hypervisorTypeArchPair.first(),
hypervisorTypeArchPair.second());
if (section == null) {
LOGGER.error("Failed to find details for {} in template metadata file: {}",
getHypervisorArchLog(hypervisorTypeArchPair.first(), hypervisorTypeArchPair.second()),
metadataFilePath);
continue;
}
String url = section.get(TEMPLATE_DOWNLOAD_URL_KEY);
if (StringUtils.isNotBlank(url) && updateCustomDownloadRepository) {
url = url.replaceFirst(defaultDownloadRepository.trim(),
customDownloadRepository.trim());
LOGGER.debug("Updated download URL for {} using custom repository to {}", key, url);
}
METADATA_TEMPLATE_LIST.add(new MetadataTemplateDetails(
hypervisorTypeArchPair.first(),
section.get("templatename"),
section.get("filename"),
url,
section.get("checksum"),
hypervisorTypeArchPair.second(),
section.get("guestos")));
}
return defaultSection.get("version").trim();
}
public static void mountStore(String storeUrl, String path, String nfsVersion) {
try {
if (storeUrl == null) {
return;
}
URI uri = new URI(UriUtils.encodeURIComponent(storeUrl));
String host = uri.getHost();
String mountPath = uri.getPath();
Script.runSimpleBashScript(getMountCommand(nfsVersion, host + ":" + mountPath, path));
} catch (Exception e) {
String msg = "NFS Store URL is not in the correct format";
LOGGER.error(msg, e);
throw new CloudRuntimeException(msg, e);
}
}
public static void unmountStore(String filePath) {
try {
LOGGER.info("Unmounting store");
String umountCmd = String.format(UMOUNT_COMMAND, filePath);
Script.runSimpleBashScript(umountCmd);
try {
Files.deleteIfExists(Paths.get(filePath));
} catch (IOException e) {
LOGGER.error(String.format("Failed to cleanup mounted store at: %s", filePath), e);
}
} catch (Exception e) {
String msg = String.format("Failed to unmount store mounted at %s", filePath);
LOGGER.error(msg, e);
throw new CloudRuntimeException(msg, e);
}
}
protected File getTempDownloadDir() {
return tempDownloadDir;
}
protected void readTemplateProperties(String path, SystemVMTemplateDetails details) {
Pair<Long, Long> templateSizes = readTemplatePropertiesSizes(path);
details.setSize(templateSizes.first());
details.setPhysicalSize(templateSizes.second());
}
protected List<Long> getEligibleZoneIds() {
List<Long> zoneIds = new ArrayList<>();
List<ImageStoreVO> stores = imageStoreDao.findByProtocol("nfs");
for (ImageStoreVO store : stores) {
if (!zoneIds.contains(store.getDataCenterId())) {
zoneIds.add(store.getDataCenterId());
}
}
return zoneIds;
}
protected Pair<String, Long> getNfsStoreInZone(Long zoneId) {
ImageStoreVO storeVO = imageStoreDao.findOneByZoneAndProtocol(zoneId, "nfs");
if (storeVO == null) {
String errMsg = String.format("Failed to fetch NFS store in zone = %s for SystemVM Template registration",
zoneId);
LOGGER.error(errMsg);
throw new CloudRuntimeException(errMsg);
}
String url = storeVO.getUrl();
Long storeId = storeVO.getId();
return new Pair<>(url, storeId);
}
protected String getSystemVmTemplateVersion() {
if (StringUtils.isEmpty(systemVmTemplateVersion)) {
return String.format("%s.%s", CS_MAJOR_VERSION, CS_TINY_VERSION);
}
return systemVmTemplateVersion;
}
private VMTemplateVO createTemplateObjectInDB(SystemVMTemplateDetails details) {
Long templateId = vmTemplateDao.getNextInSequence(Long.class, "id");
VMTemplateVO template = new VMTemplateVO();
template.setUuid(details.getUuid());
template.setUniqueName(String.format("routing-%s" , String.valueOf(templateId)));
template.setName(details.getName());
template.setPublicTemplate(false);
template.setFeatured(false);
template.setTemplateType(Storage.TemplateType.SYSTEM);
template.setRequiresHvm(true);
template.setBits(64);
template.setAccountId(Account.ACCOUNT_ID_SYSTEM);
template.setUrl(details.getUrl());
template.setChecksum(details.getChecksum());
template.setEnablePassword(false);
template.setDisplayText(details.getName());
template.setFormat(details.getFormat());
template.setGuestOSId(details.getGuestOsId());
template.setCrossZones(true);
template.setHypervisorType(details.getHypervisorType());
template.setArch(details.getArch());
template.setState(VirtualMachineTemplate.State.Inactive);
template.setDeployAsIs(false);
template = vmTemplateDao.persist(template);
return template;
}
protected VMTemplateZoneVO createOrUpdateTemplateZoneEntry(long zoneId, long templateId) {
VMTemplateZoneVO templateZoneVO = vmTemplateZoneDao.findByZoneTemplate(zoneId, templateId);
if (templateZoneVO == null) {
templateZoneVO = new VMTemplateZoneVO(zoneId, templateId, new java.util.Date());
templateZoneVO = vmTemplateZoneDao.persist(templateZoneVO);
} else {
templateZoneVO.setLastUpdated(new java.util.Date());
if (!vmTemplateZoneDao.update(templateZoneVO.getId(), templateZoneVO)) {
templateZoneVO = null;
}
}
return templateZoneVO;
}
protected void createCrossZonesTemplateZoneRefEntries(Long templateId) {
List<DataCenterVO> dcs = dataCenterDao.listAll();
for (DataCenterVO dc : dcs) {
VMTemplateZoneVO templateZoneVO = createOrUpdateTemplateZoneEntry(dc.getId(), templateId);
if (templateZoneVO == null) {
throw new CloudRuntimeException(String.format("Failed to create template-zone record for the system " +
"VM Template (ID : %d) and zone: %s", templateId, dc));
}
}
}
protected void createTemplateStoreRefEntry(SystemVMTemplateDetails details) {
TemplateDataStoreVO templateDataStoreVO = new TemplateDataStoreVO(details.getStoreId(), details.getId(),
details.getCreated(), 0, VMTemplateStorageResourceAssoc.Status.NOT_DOWNLOADED,
null, null, null, details.getInstallPath(), details.getUrl());
templateDataStoreVO.setDataStoreRole(DataStoreRole.Image);
templateDataStoreVO = templateDataStoreDao.persist(templateDataStoreVO);
if (templateDataStoreVO == null) {
throw new CloudRuntimeException(String.format("Failed to create template-store record for the system VM " +
"template (ID : %d) and store (ID: %d)", details.getId(), details.getStoreId()));
}
}
protected void updateTemplateDetails(SystemVMTemplateDetails details) {
VMTemplateVO template = vmTemplateDao.findById(details.getId());
template.setSize(details.getSize());
template.setState(VirtualMachineTemplate.State.Active);
vmTemplateDao.update(template.getId(), template);
TemplateDataStoreVO templateDataStoreVO = templateDataStoreDao.findByStoreTemplate(details.getStoreId(),
template.getId());
templateDataStoreVO.setSize(details.getSize());
templateDataStoreVO.setPhysicalSize(details.getPhysicalSize());
templateDataStoreVO.setDownloadPercent(100);
templateDataStoreVO.setDownloadState(VMTemplateStorageResourceAssoc.Status.DOWNLOADED);
templateDataStoreVO.setLastUpdated(details.getUpdated());
templateDataStoreVO.setState(ObjectInDataStoreStateMachine.State.Ready);
boolean updated = templateDataStoreDao.update(templateDataStoreVO.getId(), templateDataStoreVO);
if (!updated) {
throw new CloudRuntimeException("Failed to update template-store record for registered system VM Template");
}
}
protected void updateSeededTemplateDetails(long templateId, long storeId, long size, long physicalSize) {
VMTemplateVO template = vmTemplateDao.findById(templateId);
template.setSize(size);
vmTemplateDao.update(template.getId(), template);
TemplateDataStoreVO templateDataStoreVO = templateDataStoreDao.findByStoreTemplate(storeId, template.getId());
templateDataStoreVO.setSize(size);
templateDataStoreVO.setPhysicalSize(physicalSize);
templateDataStoreVO.setLastUpdated(new Date(DateUtil.currentGMTTime().getTime()));
boolean updated = templateDataStoreDao.update(templateDataStoreVO.getId(), templateDataStoreVO);
if (!updated) {
throw new CloudRuntimeException("Failed to update template-store record for seeded system VM Template");
}
}
protected void updateSystemVMEntries(Long templateId, Hypervisor.HypervisorType hypervisorType) {
vmInstanceDao.updateSystemVmTemplateId(templateId, hypervisorType);
}
protected void updateHypervisorGuestOsMap() {
try {
GuestOSVO guestOS = guestOSDao.findOneByDisplayName(DEFAULT_SYSTEM_VM_GUEST_OS_NAME);
if (guestOS == null) {
LOGGER.warn("Couldn't find Guest OS by name [{}] to update system VM Template guest OS ID",
DEFAULT_SYSTEM_VM_GUEST_OS_NAME);
return;
}
LOGGER.debug("Updating system VM Template guest OS [{}] ID", DEFAULT_SYSTEM_VM_GUEST_OS_NAME);
SystemVmTemplateRegistration.LINUX_12_ID = Math.toIntExact(guestOS.getId());
hypervisorGuestOsMap.put(Hypervisor.HypervisorType.KVM, LINUX_12_ID);
hypervisorGuestOsMap.put(Hypervisor.HypervisorType.Hyperv, LINUX_12_ID);
hypervisorGuestOsMap.put(Hypervisor.HypervisorType.LXC, LINUX_12_ID);
hypervisorGuestOsMap.put(Hypervisor.HypervisorType.Ovm3, LINUX_12_ID);
} catch (Exception e) {
LOGGER.warn("Couldn't update System VM template guest OS ID, due to {}", e.getMessage());
}
}
protected void updateConfigurationParams(Hypervisor.HypervisorType hypervisorType, String templateName, Long zoneId) {
String configName = ROUTER_TEMPLATE_CONFIGURATION_NAMES.get(hypervisorType);
boolean updated = configurationDao.update(configName, templateName);
if (!updated) {
throw new CloudRuntimeException(String.format("Failed to update configuration parameter %s", configName));
}
if (zoneId != null) {
dataCenterDetailsDao.removeDetail(zoneId, configName);
}
updated = configurationDao.update(MINIMUM_SYSTEM_VM_VERSION_KEY, getSystemVmTemplateVersion());
if (!updated) {
throw new CloudRuntimeException(String.format("Failed to update configuration parameter %s", configName));
}
if (zoneId != null) {
dataCenterDetailsDao.removeDetail(zoneId, MINIMUM_SYSTEM_VM_VERSION_KEY);
}
}
protected void updateTemplateEntriesOnFailure(long templateId) {
VMTemplateVO template = vmTemplateDao.createForUpdate(templateId);
template.setState(VirtualMachineTemplate.State.Inactive);
vmTemplateDao.update(template.getId(), template);
vmTemplateDao.remove(templateId);
TemplateDataStoreVO templateDataStoreVO = templateDataStoreDao.findByTemplate(template.getId(),
DataStoreRole.Image);
if (templateDataStoreVO == null) {
return;
}
templateDataStoreDao.remove(templateDataStoreVO.getId());
}
protected void setupTemplateOnStore(String templateName, MetadataTemplateDetails templateDetails,
String destTempFolder) throws CloudRuntimeException {
String setupTmpltScript = Script.findScript(STORAGE_SCRIPTS_DIR, "setup-sysvm-tmplt");
if (setupTmpltScript == null) {
throw new CloudRuntimeException("Unable to find the setup-sysvm-tmplt script");
}
Script scr = new Script(setupTmpltScript, SCRIPT_TIMEOUT, LOGGER);
scr.add("-u", templateName);
String filePath = StringUtils.isNotBlank(templateDetails.getDownloadedFilePath()) ?
templateDetails.getDownloadedFilePath() :
templateDetails.getDefaultFilePath();
scr.add("-f", filePath);
scr.add("-h", templateDetails.getHypervisorType().name().toLowerCase(Locale.ROOT));
scr.add("-d", destTempFolder);
String result = scr.execute();
if (result != null) {
String errMsg = String.format("Failed to create Template: %s ", result);
LOGGER.error(errMsg);
throw new CloudRuntimeException(errMsg);
}
}
/**
* Register or update a system VM Template record and seed it on the target store.
*
* @param name display name of the template
* @param templateDetails metadata for the template
* @param url download URL of the template
* @param checksum expected checksum of the template file
* @param format image format of the template
* @param guestOsId guest OS id
* @param storeId target image store id
* @param templateId existing template id if present, otherwise {@code null}
* @param filePath temporary mount path for the store
* @param templateDataStoreVO existing template-store mapping; may be {@code null}
* @return the id of the template that was created or updated
*/
protected Long performTemplateRegistrationOperations(String name, MetadataTemplateDetails templateDetails,
String url, String checksum, ImageFormat format, long guestOsId, Long storeId, Long templateId,
String filePath, TemplateDataStoreVO templateDataStoreVO) {
String templateName = UUID.randomUUID().toString();
Date created = new Date(DateUtil.currentGMTTime().getTime());
SystemVMTemplateDetails details = new SystemVMTemplateDetails(templateName, name, created, url, checksum,
format, (int) guestOsId, templateDetails.getHypervisorType(), templateDetails.getArch(), storeId);
if (templateId == null) {
VMTemplateVO template = createTemplateObjectInDB(details);
if (template == null) {
throw new CloudRuntimeException(String.format("Failed to register Template for hypervisor: %s",
templateDetails.getHypervisorType().name()));
}
templateId = template.getId();
}
createCrossZonesTemplateZoneRefEntries(templateId);
details.setId(templateId);
String destTempFolderName = String.valueOf(templateId);
String destTempFolder = filePath + PARTIAL_TEMPLATE_FOLDER + destTempFolderName;
details.setInstallPath(String.format("%s%s%s%s.%s", PARTIAL_TEMPLATE_FOLDER, destTempFolderName,
File.separator, templateName,
HYPERVISOR_IMAGE_FORMAT_MAP.get(templateDetails.getHypervisorType()).getFileExtension()));
if (templateDataStoreVO == null) {
createTemplateStoreRefEntry(details);
}
setupTemplateOnStore(templateName, templateDetails, destTempFolder);
readTemplateProperties(destTempFolder + "/template.properties", details);
details.setUpdated(new Date(DateUtil.currentGMTTime().getTime()));
updateTemplateDetails(details);
return templateId;
}
/**
* Add an existing system VM Template to a secondary image store and update related DB entries.
*
* @param templateVO the existing VM template (must not be null)
* @param templateDetails the metadata details of the template to be added
* @param templateDataStoreVO optional existing template-store mapping; may be null
* @param zoneId zone id where the operation is performed
* @param storeId target image store id
* @param filePath temporary mount path for the store
* @throws CloudRuntimeException on failure; the method attempts rollback/cleanup
*/
protected void addExistingTemplateToStore(VMTemplateVO templateVO, MetadataTemplateDetails templateDetails,
TemplateDataStoreVO templateDataStoreVO, long zoneId, Long storeId, String filePath) {
try {
performTemplateRegistrationOperations(templateVO.getName(), templateDetails, templateVO.getUrl(),
templateVO.getChecksum(), templateVO.getFormat(), templateVO.getGuestOSId(), storeId,
templateVO.getId(), filePath, templateDataStoreVO);
} catch (Exception e) {
String errMsg = String.format("Failed to add %s to store ID: %d, zone ID: %d", templateVO, storeId, zoneId);
LOGGER.error(errMsg, e);
cleanupStore(templateVO.getId(), filePath);
throw new CloudRuntimeException(errMsg, e);
}
}
/**
* Registers a new system VM Template for the given hypervisor/arch when no existing template is present.
*
* @param name the name of the new template
* @param templateDetails the metadata details of the template to be registered
* @param zoneId the zone id for which the new template should be seeded
* @param storeId the store id on which the new template will be seeded
* @param filePath temporary mount path for the store
* @throws CloudRuntimeException on failure; the method attempts rollback/cleanup
*/
protected void registerNewTemplate(String name, MetadataTemplateDetails templateDetails, long zoneId, Long storeId,
String filePath) {
Long templateId = null;
Hypervisor.HypervisorType hypervisor = templateDetails.getHypervisorType();
try {
templateId = performTemplateRegistrationOperations(name, templateDetails, templateDetails.getUrl(),
templateDetails.getChecksum(), HYPERVISOR_IMAGE_FORMAT_MAP.get(hypervisor),
hypervisorGuestOsMap.get(hypervisor), storeId, null, filePath, null);
updateConfigurationParams(hypervisor, name, zoneId);
updateSystemVMEntries(templateId, hypervisor);
} catch (Exception e) {
String errMsg = String.format("Failed to register Template for hypervisor: %s", hypervisor);
LOGGER.error(errMsg, e);
if (templateId != null) {
updateTemplateEntriesOnFailure(templateId);
cleanupStore(templateId, filePath);
}
throw new CloudRuntimeException(errMsg, e);
}
}
/**
* Validate presence and integrity of metadata and local template file for the given hypervisor/arch.
*
* @param hypervisor target hypervisor type
* @param arch target CPU architecture
* @return validated MetadataTemplateDetails
* @throws CloudRuntimeException if template is not available, missing, or checksum validation fails
*/
protected MetadataTemplateDetails getValidatedTemplateDetailsForHypervisorAndArch(
Hypervisor.HypervisorType hypervisor, CPU.CPUArch arch) {
if (!AVAILABLE_SYSTEM_TEMPLATES_HYPERVISOR_ARCH_LIST.contains(new Pair<>(hypervisor, arch))) {
throw new CloudRuntimeException("No system VM Template available for the given hypervisor and arch");
}
MetadataTemplateDetails templateDetails = getMetadataTemplateDetails(hypervisor, arch);
if (templateDetails == null) {
throw new CloudRuntimeException("No template details found for the given hypervisor and arch");
}
File templateFile = getTemplateFile(templateDetails);
if (templateFile == null) {
throw new CloudRuntimeException("Failed to find local template file");
}
if (templateDetails.isFileChecksumDifferent(templateFile)) {
throw new CloudRuntimeException("Checksum failed for local template file");
}
return templateDetails;
}
/**
* Return the local template file. Downloads it if not present locally and url is present.
*
* @param templateDetails template metadata; may set `downloadedFilePath`
* @return the template {@code File} on disk, or {@code null} if not found/downloaded
*/
protected File getTemplateFile(MetadataTemplateDetails templateDetails) {
File templateFile = new File(templateDetails.getDefaultFilePath());
if (templateFile.exists()) {
return templateFile;
}
LOGGER.debug("{} is not present", templateFile.getAbsolutePath());
if (StringUtils.isNotBlank(templateDetails.getUrl())) {
LOGGER.debug("Downloading the template file {} for {}",
templateDetails.getUrl(), templateDetails.getHypervisorArchLog());
Path path = Path.of(TEMPLATES_PATH);
if (!Files.isWritable(path)) {
templateFile = new File(getTempDownloadDir(), templateDetails.getFilename());
}
if (!templateFile.exists() &&
!HttpUtils.downloadFileWithProgress(templateDetails.getUrl(), templateFile.getAbsolutePath(),
LOGGER)) {
LOGGER.error("Failed to download template for {} using url: {}",
templateDetails.getHypervisorArchLog(), templateDetails.getUrl());
return null;
}
templateDetails.setDownloadedFilePath(templateFile.getAbsolutePath());
}
return templateFile;
}
/**
* Validate that templates for the provided hypervisor/architecture pairs which are in use and are valid.
*
* If a template is missing or validation fails for any required pair, a
* {@link CloudRuntimeException} is thrown to abort the upgrade. If system VM Template for a hypervisor/arch is
* not considered available then validation is skipped for that pair.
*
* @param hypervisorArchList list of hypervisor/architecture pairs to validate
*/
protected void validateTemplates(List<Pair<Hypervisor.HypervisorType, CPU.CPUArch>> hypervisorArchList) {
boolean templatesFound = true;
for (Pair<Hypervisor.HypervisorType, CPU.CPUArch> hypervisorArch : hypervisorArchList) {
if (!AVAILABLE_SYSTEM_TEMPLATES_HYPERVISOR_ARCH_LIST.contains(hypervisorArch)) {
LOGGER.info("No system VM Template available for {}. Skipping validation.",
getHypervisorArchLog(hypervisorArch.first(), hypervisorArch.second()));
continue;
}
try {
getValidatedTemplateDetailsForHypervisorAndArch(hypervisorArch.first(), hypervisorArch.second());
} catch (CloudRuntimeException e) {
LOGGER.error("Validation failed for {}: {}",
getHypervisorArchLog(hypervisorArch.first(), hypervisorArch.second()), e.getMessage());
templatesFound = false;
break;
}
}
if (!templatesFound) {
String errMsg = "SystemVM Template not found. Cannot upgrade system VMs";
LOGGER.error(errMsg);
throw new CloudRuntimeException(errMsg);
}
}
/**
* Register or ensure system VM Templates are present on the NFS store for a given zone.
*
* Mounts the zone image store, enumerates hypervisors and architectures in the zone,
* and for each template either adds an existing template to the store or registers
* a new template as required.
*
* @param zoneId the zone id
* @param storeMountPath temporary mount path for the store
*/
protected void registerTemplatesForZone(long zoneId, String storeMountPath) {
Pair<String, Long> storeUrlAndId = getNfsStoreInZone(zoneId);
String nfsVersion = getNfsVersion(storeUrlAndId.second());
mountStore(storeUrlAndId.first(), storeMountPath, nfsVersion);
List<Pair<Hypervisor.HypervisorType, CPU.CPUArch>> hypervisorArchList =
clusterDao.listDistinctHypervisorsAndArchExcludingExternalType(zoneId);
for (Pair<Hypervisor.HypervisorType, CPU.CPUArch> hypervisorArch : hypervisorArchList) {
Hypervisor.HypervisorType hypervisorType = hypervisorArch.first();
MetadataTemplateDetails templateDetails = getMetadataTemplateDetails(hypervisorType,
hypervisorArch.second());
if (templateDetails == null) {
continue;
}
VMTemplateVO templateVO = getRegisteredTemplate(templateDetails.getName(),
templateDetails.getHypervisorType(), templateDetails.getArch(), templateDetails.getUrl());
if (templateVO != null) {
TemplateDataStoreVO templateDataStoreVO =
templateDataStoreDao.findByStoreTemplate(storeUrlAndId.second(), templateVO.getId());
if (templateDataStoreVO != null) {
String installPath = templateDataStoreVO.getInstallPath();
if (validateIfSeeded(templateDataStoreVO, storeUrlAndId.first(), installPath, nfsVersion)) {
continue;
}
}
addExistingTemplateToStore(templateVO, templateDetails, templateDataStoreVO, zoneId,
storeUrlAndId.second(), storeMountPath);
updateRegisteredTemplateDetails(templateVO.getId(), templateDetails, zoneId);
continue;
}
registerNewTemplate(templateDetails.getName(), templateDetails, zoneId, storeUrlAndId.second(),
storeMountPath);
}
}
protected void registerTemplates(List<Pair<Hypervisor.HypervisorType, CPU.CPUArch>> hypervisorsArchInUse) {
GlobalLock lock = GlobalLock.getInternLock("UpgradeDatabase-Lock");
try {
LOGGER.info("Grabbing lock to register Templates.");
if (!lock.lock(LOCK_WAIT_TIMEOUT)) {
throw new CloudRuntimeException("Unable to acquire lock to register system VM Template.");
}
try {
validateTemplates(hypervisorsArchInUse);
// Perform Registration if templates not already registered
Transaction.execute(new TransactionCallbackNoReturn() {
@Override
public void doInTransactionWithoutResult(final TransactionStatus status) {
List<Long> zoneIds = getEligibleZoneIds();
for (Long zoneId : zoneIds) {
String filePath = null;
try {
filePath = Files.createTempDirectory(TEMPORARY_SECONDARY_STORE).toString();
if (filePath == null) {
throw new CloudRuntimeException("Failed to create temporary file path to mount the store");
}
registerTemplatesForZone(zoneId, filePath);
unmountStore(filePath);
} catch (Exception e) {
unmountStore(filePath);
throw new CloudRuntimeException("Failed to register system VM Template. Upgrade Failed");
}
}
}
});
} catch (Exception e) {
throw new CloudRuntimeException("Failed to register system VM Template. Upgrade Failed");
}
} finally {
lock.unlock();
lock.releaseRef();
}
}
/**
* Update the DB record for an existing template to mark it as a system template,
* set the guest OS (if resolvable), and propagate the change to system VM entries
* and related configuration for the template's hypervisor.
*
* @param templateId id of the template to update
* @param templateDetails metadata used to update the template record
* @param zoneId zone id whose per-zone details (if any) should be cleared; may be null
* @throws CloudRuntimeException if updating the template record fails
*/
protected void updateRegisteredTemplateDetails(Long templateId, MetadataTemplateDetails templateDetails,
Long zoneId) {
VMTemplateVO templateVO = vmTemplateDao.findById(templateId);
templateVO.setTemplateType(Storage.TemplateType.SYSTEM);
GuestOSVO guestOS = guestOSDao.findOneByDisplayName(templateDetails.getGuestOs());
if (guestOS != null) {
templateVO.setGuestOSId(guestOS.getId());
}
boolean updated = vmTemplateDao.update(templateVO.getId(), templateVO);
if (!updated) {
String errMsg = String.format("Exception while updating template with id %s to be marked as 'system'",
templateId);
LOGGER.error(errMsg);
throw new CloudRuntimeException(errMsg);
}
Hypervisor.HypervisorType hypervisorType = templateDetails.getHypervisorType();
updateSystemVMEntries(templateId, hypervisorType);
updateConfigurationParams(hypervisorType, templateDetails.getName(), zoneId);
}
protected void updateTemplateUrlChecksumAndGuestOsId(VMTemplateVO templateVO,
MetadataTemplateDetails templateDetails) {
templateVO.setUrl(templateDetails.getUrl());
templateVO.setChecksum(templateDetails.getChecksum());
GuestOSVO guestOS = guestOSDao.findOneByDisplayName(templateDetails.getGuestOs());
if (guestOS != null) {
templateVO.setGuestOSId(guestOS.getId());
}
boolean updated = vmTemplateDao.update(templateVO.getId(), templateVO);
if (!updated) {
String errMsg = String.format("Exception while updating 'url' and 'checksum' for hypervisor type %s",
templateDetails.getHypervisorType());
LOGGER.error(errMsg);
throw new CloudRuntimeException(errMsg);
}
}
/**
* Updates or registers the system VM Template for the given hypervisor/arch if not already present.
* Returns true if a new template was registered.
* If there is an existing system VM Template for the given hypervisor/arch, its details are updated.
* If no existing template is found, new templates are registered for the valid hypervisor/arch which are in use.
*/
protected boolean updateOrRegisterSystemVmTemplate(MetadataTemplateDetails templateDetails,
List<Pair<Hypervisor.HypervisorType, CPU.CPUArch>> hypervisorArchInUse) {
String systemVmTemplateLog = String.format("%s system VM Template for %s", getSystemVmTemplateVersion(),
templateDetails.getHypervisorArchLog());
LOGGER.debug("Registering or updating {}", systemVmTemplateLog,
templateDetails.getHypervisorArchLog());
VMTemplateVO registeredTemplate = getRegisteredTemplate(templateDetails.getName(),
templateDetails.getHypervisorType(), templateDetails.getArch(), templateDetails.getUrl());
if (registeredTemplate != null) {
LOGGER.info("{} is already registered, updating details for: {}",
systemVmTemplateLog, templateDetails.getHypervisorArchLog(), registeredTemplate);
updateRegisteredTemplateDetails(registeredTemplate.getId(), templateDetails, null);
return false;
}
boolean isHypervisorArchMatchMetadata = hypervisorArchInUse.stream()
.anyMatch(p -> p.first().equals(templateDetails.getHypervisorType())
&& Objects.equals(p.second(), templateDetails.getArch()));
if (!isHypervisorArchMatchMetadata) {
LOGGER.warn("Skipping upgrading {} as it is not used, not failing upgrade",
getSystemVmTemplateVersion(), templateDetails.getHypervisorArchLog());
VMTemplateVO templateVO = vmTemplateDao.findLatestTemplateByTypeAndHypervisorAndArch(
templateDetails.getHypervisorType(), templateDetails.getArch(), Storage.TemplateType.SYSTEM);
if (templateVO != null) {
updateTemplateUrlChecksumAndGuestOsId(templateVO, templateDetails);
}
return false;
}
try {
registerTemplates(hypervisorArchInUse);
return true;
} catch (final Exception e) {
throw new CloudRuntimeException(String.format("Failed to register %s templates for hypervisors: [%s]. " +
"Cannot upgrade system VMs",
getSystemVmTemplateVersion(),
StringUtils.join(hypervisorArchInUse.stream()
.map(x -> String.format("%s-%s", x.first().name(), x.second().name()))
.collect(Collectors.toList()), ",")), e);
}
}
/**
* Return NFS version for the store: store-specific config if present
* or global config if absent. Returns null if not set.
*/
protected String getNfsVersion(long storeId) {
final String configKey = "secstorage.nfs.version";
final Map<String, String> storeDetails = imageStoreDetailsDao.getDetails(storeId);
if (storeDetails != null && storeDetails.containsKey(configKey)) {
return storeDetails.get(configKey);
}
ConfigurationVO globalNfsVersion = configurationDao.findByName(configKey);
if (globalNfsVersion != null) {
return globalNfsVersion.getValue();
}
return null;
}
/**
* Validate metadata for the given template's hypervisor/arch and add the existing template
* to the specified secondary store. On success, database entries are created/updated.
*
* @param templateVO template to add
* @param templateDataStoreVO existing template-store mapping; may be null
* @param zoneId zone id where the operation is performed
* @param storeId target image store id
* @param filePath temporary mount path for the store
* @throws CloudRuntimeException on failure; the method attempts rollback/cleanup
*/
public void validateAndAddTemplateToStore(VMTemplateVO templateVO, TemplateDataStoreVO templateDataStoreVO,
long zoneId, long storeId, String filePath) {
MetadataTemplateDetails templateDetails = getValidatedTemplateDetailsForHypervisorAndArch(
templateVO.getHypervisorType(), templateVO.getArch());
addExistingTemplateToStore(templateVO, templateDetails, templateDataStoreVO, zoneId, storeId, filePath);
}
/**
* Validate metadata for the given hypervisor/arch and register a new system VM Template
* on the specified store and zone. Creates DB entries and seeds the template on the store.
*
* @param hypervisor hypervisor type
* @param arch cpu architecture
* @param name template name to register
* @param zoneId zone id where the operation is performed
* @param storeId target image store id
* @param filePath temporary mount path for the store
* @throws CloudRuntimeException on failure; the method attempts rollback/cleanup
*/
public void validateAndRegisterNewTemplate(Hypervisor.HypervisorType hypervisor, CPU.CPUArch arch, String name,
long zoneId, long storeId, String filePath) {
MetadataTemplateDetails templateDetails = getValidatedTemplateDetailsForHypervisorAndArch(hypervisor, arch);
registerNewTemplate(name, templateDetails, zoneId, storeId, filePath);
}
/**
* Check whether the template at the given `path` on NFS `url` is already seeded.
* If found, updates DB with sizes and returns true; otherwise returns false.
*
* @throws CloudRuntimeException on any error
*/
public boolean validateIfSeeded(TemplateDataStoreVO templDataStoreVO, String url, String path, String nfsVersion) {
String filePath = null;
try {
filePath = Files.createTempDirectory(TEMPORARY_SECONDARY_STORE).toString();
if (filePath == null) {
throw new CloudRuntimeException("Failed to create temporary directory to mount secondary store");
}
mountStore(url, filePath, nfsVersion);
int lastIdx = path.lastIndexOf(File.separator);
String partialDirPath = path.substring(0, lastIdx);
String templatePath = filePath + File.separator + partialDirPath;
File templateProps = new File(templatePath + "/template.properties");
if (templateProps.exists()) {
Pair<Long, Long> templateSizes = readTemplatePropertiesSizes(templatePath + "/template.properties");
updateSeededTemplateDetails(templDataStoreVO.getTemplateId(), templDataStoreVO.getDataStoreId(),
templateSizes.first(), templateSizes.second());
LOGGER.info("System VM template already seeded, skipping registration");
return true;
}
LOGGER.info("System VM template not seeded");
return false;
} catch (Exception e) {
LOGGER.error("Failed to verify if the template is seeded", e);
throw new CloudRuntimeException("Failed to verify if the template is seeded", e);
} finally {
unmountStore(filePath);
try {
Files.delete(Path.of(filePath));
} catch (IOException e) {
LOGGER.error("Failed to delete temporary directory: {}", filePath);
}
}
}
/**
* Finds a registered system VM Template matching the provided criteria.
*
* <p>The method first attempts to locate the latest template by {@code templateName},
* {@code hypervisorType} and {@code arch}. If none is found and a non-blank {@code url}
* is provided, it falls back to searching for an active system template by the
* URL path segment (the substring after the last '/' in the URL).</p>
*
* @param templateName the template name to search for
* @param hypervisorType the hypervisor type
* @param arch the CPU architecture
* @param url optional download URL used as a fallback; may be {@code null} or blank
* @return the matching {@code VMTemplateVO} if found; {@code null} otherwise
*/
public VMTemplateVO getRegisteredTemplate(String templateName, Hypervisor.HypervisorType hypervisorType,
CPU.CPUArch arch, String url) {
VMTemplateVO registeredTemplate = vmTemplateDao.findLatestTemplateByName(templateName, hypervisorType, arch);
if (registeredTemplate == null && StringUtils.isNotBlank(url)) {
String urlPath = url.substring(url.lastIndexOf("/") + 1);
LOGGER.debug("No template found by name, falling back to search existing SYSTEM template by " +
"urlPath: {}, hypervisor: {}, arch:{}", urlPath, hypervisorType, arch);
registeredTemplate = vmTemplateDao.findActiveSystemTemplateByHypervisorArchAndUrlPath(hypervisorType, arch,
urlPath);
}
LOGGER.debug("Found existing registered template for hypervisor: {}, arch: {}: {}", hypervisorType,
arch, registeredTemplate);
return registeredTemplate;
}
/**
* Update or register system VM Templates based on metadata.
*
* Runs the registration logic inside a database transaction: obtains the
* set of hypervisors/architectures in use, iterates over metadata entries
* and attempts to register or update each template.
*
* @param conn retained for compatibility with callers (not used directly)
*/
public void updateSystemVmTemplates(final Connection conn) {
LOGGER.debug("Updating System VM templates");
updateHypervisorGuestOsMap();
Transaction.execute(new TransactionCallbackNoReturn() {
@Override
public void doInTransactionWithoutResult(final TransactionStatus status) {
List<Pair<Hypervisor.HypervisorType, CPU.CPUArch>> hypervisorsInUse;
try {
hypervisorsInUse = clusterDao.listDistinctHypervisorsAndArchExcludingExternalType(null);
} catch (final Exception e) {
throw new CloudRuntimeException("Exception while getting hypervisor types from clusters", e);
}
for (MetadataTemplateDetails templateDetails : METADATA_TEMPLATE_LIST) {
try {
if (updateOrRegisterSystemVmTemplate(templateDetails, hypervisorsInUse)) {
break;
}
} catch (final Exception e) {
String errMsg = "Exception while registering/updating system VM Templates for hypervisors in metadata";
LOGGER.error(errMsg, e);
throw new CloudRuntimeException(errMsg, e);
}
}
LOGGER.debug("Updating System VM Templates Complete");
}
});
}
protected static class MetadataTemplateDetails {
private final Hypervisor.HypervisorType hypervisorType;
private final String name;
private final String filename;
private final String url;
private final String checksum;
private final CPU.CPUArch arch;
private String downloadedFilePath;
private final String guestOs;
MetadataTemplateDetails(Hypervisor.HypervisorType hypervisorType, String name, String filename, String url,
String checksum, CPU.CPUArch arch, String guestOs) {
this.hypervisorType = hypervisorType;
this.name = name;
this.filename = filename;
this.url = url;
this.checksum = checksum;
this.arch = arch;
this.guestOs = guestOs;
}
public Hypervisor.HypervisorType getHypervisorType() {
return hypervisorType;
}
public String getName() {
return name;
}
public String getFilename() {
return filename;
}
public String getUrl() {
return url;
}
public String getChecksum() {
return checksum;
}
public CPU.CPUArch getArch() {
return arch;
}
public String getGuestOs() {
return guestOs;
}
public String getDownloadedFilePath() {
return downloadedFilePath;
}
public void setDownloadedFilePath(String downloadedFilePath) {
this.downloadedFilePath = downloadedFilePath;
}
public String getDefaultFilePath() {
return TEMPLATES_PATH + filename;
}
public boolean isFileChecksumDifferent(File file) {
String fileChecksum = DigestHelper.calculateChecksum(file);
if (!fileChecksum.equals(getChecksum())) {
LOGGER.error("Checksum {} for file {} does not match checksum {} from metadata",
fileChecksum, file, getChecksum());
return true;
}
return false;
}
public String getHypervisorArchLog() {
return SystemVmTemplateRegistration.getHypervisorArchLog(hypervisorType, arch);
}
}
}