Examples with KvmStoragePool com.cloud.agent.resource.kvm.storage.KvmStoragePool used on opensource projects

Example 41 with KvmStoragePool

use of com.cloud.agent.resource.kvm.storage.KvmStoragePool in project cosmic by MissionCriticalCloud.

the class LibvirtGetStorageStatsCommandWrapper method execute.

@Override
public Answer execute(final GetStorageStatsCommand command, final LibvirtComputingResource libvirtComputingResource) {
    try {
        final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
        final KvmStoragePool sp = storagePoolMgr.getStoragePool(command.getPooltype(), command.getStorageId(), true);
        return new GetStorageStatsAnswer(command, sp.getCapacity(), sp.getUsed());
    } catch (final CloudRuntimeException e) {
        return new GetStorageStatsAnswer(command, e.toString());
    }
}

Example 42 with KvmStoragePool

use of com.cloud.agent.resource.kvm.storage.KvmStoragePool in project cosmic by MissionCriticalCloud.

the class LibvirtModifyStoragePoolCommandWrapper method execute.

@Override
public Answer execute(final ModifyStoragePoolCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
    final KvmStoragePool storagepool = storagePoolMgr.createStoragePool(command.getPool().getUuid(), command.getPool().getHost(), command.getPool().getPort(), command.getPool().getPath(), command.getPool().getUserInfo(), command.getPool().getType());
    if (storagepool == null) {
        return new Answer(command, false, " Failed to create storage pool");
    }
    final Map<String, TemplateProp> tInfo = new HashMap<>();
    final ModifyStoragePoolAnswer answer = new ModifyStoragePoolAnswer(command, storagepool.getCapacity(), storagepool.getAvailable(), tInfo);
    return answer;
}

Example 43 with KvmStoragePool

use of com.cloud.agent.resource.kvm.storage.KvmStoragePool in project cosmic by MissionCriticalCloud.

the class LibvirtBackupSnapshotCommandWrapper method execute.

@Override
public Answer execute(final BackupSnapshotCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final Long dcId = command.getDataCenterId();
    final Long accountId = command.getAccountId();
    final Long volumeId = command.getVolumeId();
    final String secondaryStoragePoolUrl = command.getSecondaryStorageUrl();
    final String snapshotName = command.getSnapshotName();
    String snapshotDestPath = null;
    String snapshotRelPath = null;
    final String vmName = command.getVmName();
    KvmStoragePool secondaryStoragePool = null;
    final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
    try {
        final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
        final Connect conn = libvirtUtilitiesHelper.getConnectionByVmName(vmName);
        secondaryStoragePool = storagePoolMgr.getStoragePoolByUri(secondaryStoragePoolUrl);
        final String ssPmountPath = secondaryStoragePool.getLocalPath();
        snapshotRelPath = File.separator + "snapshots" + File.separator + dcId + File.separator + accountId + File.separator + volumeId;
        snapshotDestPath = ssPmountPath + File.separator + "snapshots" + File.separator + dcId + File.separator + accountId + File.separator + volumeId;
        final KvmStoragePool primaryPool = storagePoolMgr.getStoragePool(command.getPool().getType(), command.getPrimaryStoragePoolNameLabel());
        final KvmPhysicalDisk snapshotDisk = primaryPool.getPhysicalDisk(command.getVolumePath());
        final String manageSnapshotPath = libvirtComputingResource.manageSnapshotPath();
        final int cmdsTimeout = libvirtComputingResource.getCmdsTimeout();
        if (primaryPool.getType() == StoragePoolType.RBD) {
            try {
                final Rados r = new Rados(primaryPool.getAuthUserName());
                r.confSet("mon_host", primaryPool.getSourceHost() + ":" + primaryPool.getSourcePort());
                r.confSet("key", primaryPool.getAuthSecret());
                r.confSet("client_mount_timeout", "30");
                r.connect();
                s_logger.debug("Succesfully connected to Ceph cluster at " + r.confGet("mon_host"));
                final IoCTX io = r.ioCtxCreate(primaryPool.getSourceDir());
                final Rbd rbd = new Rbd(io);
                final RbdImage image = rbd.open(snapshotDisk.getName(), snapshotName);
                final File fh = new File(snapshotDestPath);
                try (final BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(fh))) {
                    final int chunkSize = 4194304;
                    long offset = 0;
                    s_logger.debug("Backuping up RBD snapshot " + snapshotName + " to  " + snapshotDestPath);
                    while (true) {
                        final byte[] buf = new byte[chunkSize];
                        final int bytes = image.read(offset, buf, chunkSize);
                        if (bytes <= 0) {
                            break;
                        }
                        bos.write(buf, 0, bytes);
                        offset += bytes;
                    }
                    s_logger.debug("Completed backing up RBD snapshot " + snapshotName + " to  " + snapshotDestPath + ". Bytes written: " + offset);
                } catch (final IOException ex) {
                    s_logger.error("BackupSnapshotAnswer:Exception:" + ex.getMessage());
                }
                r.ioCtxDestroy(io);
            } catch (final RadosException e) {
                s_logger.error("A RADOS operation failed. The error was: " + e.getMessage());
                return new BackupSnapshotAnswer(command, false, e.toString(), null, true);
            } catch (final RbdException e) {
                s_logger.error("A RBD operation on " + snapshotDisk.getName() + " failed. The error was: " + e.getMessage());
                return new BackupSnapshotAnswer(command, false, e.toString(), null, true);
            }
        } else {
            final Script scriptCommand = new Script(manageSnapshotPath, cmdsTimeout, s_logger);
            scriptCommand.add("-b", snapshotDisk.getPath());
            scriptCommand.add("-n", snapshotName);
            scriptCommand.add("-p", snapshotDestPath);
            scriptCommand.add("-t", snapshotName);
            final String result = scriptCommand.execute();
            if (result != null) {
                s_logger.debug("Failed to backup snaptshot: " + result);
                return new BackupSnapshotAnswer(command, false, result, null, true);
            }
        }
        /* Delete the snapshot on primary */
        DomainState state = null;
        Domain vm = null;
        if (vmName != null) {
            try {
                vm = libvirtComputingResource.getDomain(conn, command.getVmName());
                state = vm.getInfo().state;
            } catch (final LibvirtException e) {
                s_logger.trace("Ignoring libvirt error.", e);
            }
        }
        final KvmStoragePool primaryStorage = storagePoolMgr.getStoragePool(command.getPool().getType(), command.getPool().getUuid());
        if (state == DomainState.VIR_DOMAIN_RUNNING && !primaryStorage.isExternalSnapshot()) {
            final MessageFormat snapshotXml = new MessageFormat("   <domainsnapshot>" + "       <name>{0}</name>" + "          <domain>" + "            <uuid>{1}</uuid>" + "        </domain>" + "    </domainsnapshot>");
            final String vmUuid = vm.getUUIDString();
            final Object[] args = new Object[] { snapshotName, vmUuid };
            final String snapshot = snapshotXml.format(args);
            s_logger.debug(snapshot);
            final DomainSnapshot snap = vm.snapshotLookupByName(snapshotName);
            if (snap != null) {
                snap.delete(0);
            } else {
                throw new CloudRuntimeException("Unable to find vm snapshot with name -" + snapshotName);
            }
            /*
                 * libvirt on RHEL6 doesn't handle resume event emitted from qemu
                 */
            vm = libvirtComputingResource.getDomain(conn, command.getVmName());
            state = vm.getInfo().state;
            if (state == DomainState.VIR_DOMAIN_PAUSED) {
                vm.resume();
            }
        } else {
            final Script scriptCommand = new Script(manageSnapshotPath, cmdsTimeout, s_logger);
            scriptCommand.add("-d", snapshotDisk.getPath());
            scriptCommand.add("-n", snapshotName);
            final String result = scriptCommand.execute();
            if (result != null) {
                s_logger.debug("Failed to backup snapshot: " + result);
                return new BackupSnapshotAnswer(command, false, "Failed to backup snapshot: " + result, null, true);
            }
        }
    } catch (final LibvirtException e) {
        return new BackupSnapshotAnswer(command, false, e.toString(), null, true);
    } catch (final CloudRuntimeException e) {
        return new BackupSnapshotAnswer(command, false, e.toString(), null, true);
    } finally {
        if (secondaryStoragePool != null) {
            storagePoolMgr.deleteStoragePool(secondaryStoragePool.getType(), secondaryStoragePool.getUuid());
        }
    }
    return new BackupSnapshotAnswer(command, true, null, snapshotRelPath + File.separator + snapshotName, true);
}

Example 44 with KvmStoragePool

use of com.cloud.agent.resource.kvm.storage.KvmStoragePool in project cosmic by MissionCriticalCloud.

the class LibvirtCreateCommandWrapper method execute.

@Override
public Answer execute(final CreateCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final StorageFilerTO pool = command.getPool();
    final DiskProfile dskch = command.getDiskCharacteristics();
    KvmPhysicalDisk baseVol = null;
    KvmStoragePool primaryPool = null;
    KvmPhysicalDisk vol = null;
    final long disksize;
    try {
        final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
        primaryPool = storagePoolMgr.getStoragePool(pool.getType(), pool.getUuid());
        disksize = dskch.getSize();
        if (command.getTemplateUrl() != null) {
            if (primaryPool.getType() == StoragePoolType.CLVM) {
                vol = libvirtComputingResource.templateToPrimaryDownload(command.getTemplateUrl(), primaryPool, dskch.getPath());
            } else if (primaryPool.getType() == StoragePoolType.LVM) {
                vol = libvirtComputingResource.templateToPrimaryDownload(command.getTemplateUrl(), primaryPool, dskch.getPath());
            } else {
                baseVol = primaryPool.getPhysicalDisk(command.getTemplateUrl());
                vol = storagePoolMgr.createDiskFromTemplate(baseVol, dskch.getPath(), dskch.getProvisioningType(), primaryPool, 0);
            }
            if (vol == null) {
                return new Answer(command, false, " Can't create storage volume on storage pool");
            }
        } else {
            vol = primaryPool.createPhysicalDisk(dskch.getPath(), dskch.getProvisioningType(), dskch.getSize());
            if (vol == null) {
                return new Answer(command, false, " Can't create Physical Disk");
            }
        }
        final VolumeTO volume = new VolumeTO(command.getVolumeId(), dskch.getType(), pool.getType(), pool.getUuid(), pool.getPath(), vol.getName(), vol.getName(), disksize, null, null, null);
        volume.setBytesReadRate(dskch.getBytesReadRate());
        volume.setBytesWriteRate(dskch.getBytesWriteRate());
        volume.setIopsReadRate(dskch.getIopsReadRate());
        volume.setIopsWriteRate(dskch.getIopsWriteRate());
        volume.setIopsTotalRate(dskch.getIopsTotalRate());
        volume.setCacheMode(dskch.getCacheMode());
        return new CreateAnswer(command, volume);
    } catch (final CloudRuntimeException e) {
        s_logger.debug("Failed to create volume: " + e.toString());
        return new CreateAnswer(command, e);
    }
}

Example 45 with KvmStoragePool

use of com.cloud.agent.resource.kvm.storage.KvmStoragePool in project cosmic by MissionCriticalCloud.

the class LibvirtCreatePrivateTemplateFromSnapshotCommandWrapper method execute.

@Override
public Answer execute(final CreatePrivateTemplateFromSnapshotCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
    final String templateFolder = command.getAccountId() + File.separator + command.getNewTemplateId();
    final String templateInstallFolder = "template/tmpl/" + templateFolder;
    final String tmplName = libvirtUtilitiesHelper.generateUuidName();
    final String tmplFileName = tmplName + ".qcow2";
    KvmStoragePool secondaryPool = null;
    KvmStoragePool snapshotPool = null;
    final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
    try {
        String snapshotPath = command.getSnapshotUuid();
        final int index = snapshotPath.lastIndexOf("/");
        snapshotPath = snapshotPath.substring(0, index);
        snapshotPool = storagePoolMgr.getStoragePoolByUri(command.getSecondaryStorageUrl() + snapshotPath);
        secondaryPool = storagePoolMgr.getStoragePoolByUri(command.getSecondaryStorageUrl());
        final KvmPhysicalDisk snapshot = snapshotPool.getPhysicalDisk(command.getSnapshotName());
        final String templatePath = secondaryPool.getLocalPath() + File.separator + templateInstallFolder;
        final StorageLayer storage = libvirtComputingResource.getStorage();
        storage.mkdirs(templatePath);
        final String tmplPath = templateInstallFolder + File.separator + tmplFileName;
        final String createTmplPath = libvirtComputingResource.createTmplPath();
        final int cmdsTimeout = libvirtComputingResource.getCmdsTimeout();
        final Script scriptCommand = new Script(createTmplPath, cmdsTimeout, s_logger);
        scriptCommand.add("-t", templatePath);
        scriptCommand.add("-n", tmplFileName);
        scriptCommand.add("-f", snapshot.getPath());
        scriptCommand.execute();
        final Processor qcow2Processor = libvirtUtilitiesHelper.buildQcow2Processor(storage);
        final TemplateFormatInfo info = qcow2Processor.process(templatePath, null, tmplName);
        final TemplateLocation loc = libvirtUtilitiesHelper.buildTemplateLocation(storage, templatePath);
        loc.create(1, true, tmplName);
        loc.addFormat(info);
        loc.save();
        return new CreatePrivateTemplateAnswer(command, true, "", tmplPath, info.virtualSize, info.size, tmplName, info.format);
    } catch (final ConfigurationException e) {
        return new CreatePrivateTemplateAnswer(command, false, e.getMessage());
    } catch (final InternalErrorException e) {
        return new CreatePrivateTemplateAnswer(command, false, e.getMessage());
    } catch (final IOException e) {
        return new CreatePrivateTemplateAnswer(command, false, e.getMessage());
    } catch (final CloudRuntimeException e) {
        return new CreatePrivateTemplateAnswer(command, false, e.getMessage());
    } finally {
        if (secondaryPool != null) {
            storagePoolMgr.deleteStoragePool(secondaryPool.getType(), secondaryPool.getUuid());
        }
        if (snapshotPool != null) {
            storagePoolMgr.deleteStoragePool(snapshotPool.getType(), snapshotPool.getUuid());
        }
    }
}