Examples with KvmPhysicalDisk com.cloud.hypervisor.kvm.storage.KvmPhysicalDisk used on opensource projects

Example 26 with KvmPhysicalDisk

use of com.cloud.hypervisor.kvm.storage.KvmPhysicalDisk in project cosmic by MissionCriticalCloud.

the class LibvirtComputingResourceTest method testCopyVolumeCommandToSecFalse.

@Test
public void testCopyVolumeCommandToSecFalse() {
    final StoragePool storagePool = Mockito.mock(StoragePool.class);
    final String secondaryStoragePoolURL = "nfs:/127.0.0.1/storage/secondary";
    final Long volumeId = 1l;
    final int wait = 0;
    final String volumePath = "/vol/path";
    final boolean toSecondaryStorage = false;
    final boolean executeInSequence = false;
    final CopyVolumeCommand command = new CopyVolumeCommand(volumeId, volumePath, storagePool, secondaryStoragePoolURL, toSecondaryStorage, wait, executeInSequence);
    final String destVolumeName = "ce97bbc1-34fe-4259-9202-74bbce2562ab";
    final String volumeDestPath = "/volumes/" + command.getVolumeId() + File.separator;
    final KvmStoragePoolManager storagePoolMgr = Mockito.mock(KvmStoragePoolManager.class);
    final KvmStoragePool secondary = Mockito.mock(KvmStoragePool.class);
    final KvmStoragePool primary = Mockito.mock(KvmStoragePool.class);
    final KvmPhysicalDisk disk = Mockito.mock(KvmPhysicalDisk.class);
    final LibvirtUtilitiesHelper libvirtUtilitiesHelper = Mockito.mock(LibvirtUtilitiesHelper.class);
    final StorageFilerTO pool = command.getPool();
    when(libvirtComputingResource.getStoragePoolMgr()).thenReturn(storagePoolMgr);
    when(storagePoolMgr.getStoragePool(pool.getType(), pool.getUuid())).thenReturn(primary);
    when(libvirtComputingResource.getLibvirtUtilitiesHelper()).thenReturn(libvirtUtilitiesHelper);
    when(libvirtUtilitiesHelper.generateUuidName()).thenReturn(destVolumeName);
    when(secondary.getType()).thenReturn(StoragePoolType.ManagedNFS);
    when(secondary.getUuid()).thenReturn("60d979d8-d132-4181-8eca-8dfde50d7df6");
    when(storagePoolMgr.getStoragePoolByUri(secondaryStoragePoolURL + volumeDestPath)).thenReturn(secondary);
    when(primary.getPhysicalDisk(command.getVolumePath() + ".qcow2")).thenReturn(disk);
    when(storagePoolMgr.copyPhysicalDisk(disk, destVolumeName, primary, 0)).thenReturn(disk);
    final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
    assertNotNull(wrapper);
    final Answer answer = wrapper.execute(command, libvirtComputingResource);
    assertTrue(answer.getResult());
    verify(libvirtComputingResource, times(1)).getStoragePoolMgr();
}

Example 27 with KvmPhysicalDisk

use of com.cloud.hypervisor.kvm.storage.KvmPhysicalDisk in project cosmic by MissionCriticalCloud.

the class LibvirtComputingResourceTest method testResizeVolumeCommandShrink.

@Test
public void testResizeVolumeCommandShrink() {
    final String path = "nfs:/127.0.0.1/storage/secondary";
    final StorageFilerTO pool = Mockito.mock(StorageFilerTO.class);
    final Long currentSize = 100l;
    final Long newSize = 200l;
    final boolean shrinkOk = true;
    final String vmInstance = "Test";
    final ResizeVolumeCommand command = new ResizeVolumeCommand(path, pool, currentSize, newSize, shrinkOk, vmInstance);
    final KvmStoragePoolManager storagePoolMgr = Mockito.mock(KvmStoragePoolManager.class);
    final KvmStoragePool storagePool = Mockito.mock(KvmStoragePool.class);
    final KvmPhysicalDisk vol = Mockito.mock(KvmPhysicalDisk.class);
    when(libvirtComputingResource.getStoragePoolMgr()).thenReturn(storagePoolMgr);
    when(storagePoolMgr.getStoragePool(pool.getType(), pool.getUuid())).thenReturn(storagePool);
    when(storagePool.getPhysicalDisk(path)).thenReturn(vol);
    when(vol.getPath()).thenReturn(path);
    when(libvirtComputingResource.getResizeScriptType(storagePool, vol)).thenReturn("QCOW2");
    final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
    assertNotNull(wrapper);
    final Answer answer = wrapper.execute(command, libvirtComputingResource);
    assertFalse(answer.getResult());
}

Example 28 with KvmPhysicalDisk

use of com.cloud.hypervisor.kvm.storage.KvmPhysicalDisk in project cosmic by MissionCriticalCloud.

the class LibvirtComputingResourceTest method testPrimaryStorageDownloadCommandNOTemplateNODisk.

@Test
public void testPrimaryStorageDownloadCommandNOTemplateNODisk() {
    final StoragePool pool = Mockito.mock(StoragePool.class);
    final List<KvmPhysicalDisk> disks = new ArrayList<>();
    final String name = "Test";
    final String url = "http://template/";
    final ImageFormat format = ImageFormat.QCOW2;
    final long accountId = 1l;
    final int wait = 0;
    final PrimaryStorageDownloadCommand command = new PrimaryStorageDownloadCommand(name, url, format, accountId, pool, wait);
    final KvmStoragePoolManager storagePoolMgr = Mockito.mock(KvmStoragePoolManager.class);
    final KvmStoragePool primaryPool = Mockito.mock(KvmStoragePool.class);
    final KvmStoragePool secondaryPool = Mockito.mock(KvmStoragePool.class);
    final KvmPhysicalDisk tmplVol = Mockito.mock(KvmPhysicalDisk.class);
    final KvmPhysicalDisk primaryVol = Mockito.mock(KvmPhysicalDisk.class);
    final int index = url.lastIndexOf("/");
    final String mountpoint = url.substring(0, index);
    when(libvirtComputingResource.getStoragePoolMgr()).thenReturn(storagePoolMgr);
    when(storagePoolMgr.getStoragePoolByUri(mountpoint)).thenReturn(secondaryPool);
    when(secondaryPool.listPhysicalDisks()).thenReturn(disks);
    when(storagePoolMgr.getStoragePool(command.getPool().getType(), command.getPoolUuid())).thenReturn(primaryPool);
    when(storagePoolMgr.copyPhysicalDisk(tmplVol, UUID.randomUUID().toString(), primaryPool, 0)).thenReturn(primaryVol);
    final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
    assertNotNull(wrapper);
    final Answer answer = wrapper.execute(command, libvirtComputingResource);
    assertFalse(answer.getResult());
    verify(libvirtComputingResource, times(1)).getStoragePoolMgr();
}

Example 29 with KvmPhysicalDisk

use of com.cloud.hypervisor.kvm.storage.KvmPhysicalDisk in project cosmic by MissionCriticalCloud.

the class LibvirtManageSnapshotCommandWrapper method execute.

@Override
public Answer execute(final ManageSnapshotCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final String snapshotName = command.getSnapshotName();
    final String snapshotPath = command.getSnapshotPath();
    final String vmName = command.getVmName();
    try {
        final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
        final Connect conn = libvirtUtilitiesHelper.getConnectionByVmName(vmName);
        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 KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
        final StorageFilerTO pool = command.getPool();
        final KvmStoragePool primaryPool = storagePoolMgr.getStoragePool(pool.getType(), pool.getUuid());
        final KvmPhysicalDisk disk = primaryPool.getPhysicalDisk(command.getVolumePath());
        if (state == DomainState.VIR_DOMAIN_RUNNING && !primaryPool.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);
            if (command.getCommandSwitch().equalsIgnoreCase(ManageSnapshotCommand.CREATE_SNAPSHOT)) {
                vm.snapshotCreateXML(snapshot);
            } else {
                final DomainSnapshot snap = vm.snapshotLookupByName(snapshotName);
                snap.delete(0);
            }
            /*
         * 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 {
            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(disk.getName());
                    if (command.getCommandSwitch().equalsIgnoreCase(ManageSnapshotCommand.CREATE_SNAPSHOT)) {
                        s_logger.debug("Attempting to create RBD snapshot " + disk.getName() + "@" + snapshotName);
                        image.snapCreate(snapshotName);
                    } else {
                        s_logger.debug("Attempting to remove RBD snapshot " + disk.getName() + "@" + snapshotName);
                        image.snapRemove(snapshotName);
                    }
                    rbd.close(image);
                    r.ioCtxDestroy(io);
                } catch (final Exception e) {
                    s_logger.error("A RBD snapshot operation on " + disk.getName() + " failed. The error was: " + e.getMessage());
                }
            } else {
                /* VM is not running, create a snapshot by ourself */
                final int cmdsTimeout = libvirtComputingResource.getCmdsTimeout();
                final String manageSnapshotPath = libvirtComputingResource.manageSnapshotPath();
                final Script scriptCommand = new Script(manageSnapshotPath, cmdsTimeout, s_logger);
                if (command.getCommandSwitch().equalsIgnoreCase(ManageSnapshotCommand.CREATE_SNAPSHOT)) {
                    scriptCommand.add("-c", disk.getPath());
                } else {
                    scriptCommand.add("-d", snapshotPath);
                }
                scriptCommand.add("-n", snapshotName);
                final String result = scriptCommand.execute();
                if (result != null) {
                    s_logger.debug("Failed to manage snapshot: " + result);
                    return new ManageSnapshotAnswer(command, false, "Failed to manage snapshot: " + result);
                }
            }
        }
        return new ManageSnapshotAnswer(command, command.getSnapshotId(), disk.getPath() + File.separator + snapshotName, true, null);
    } catch (final LibvirtException e) {
        s_logger.debug("Failed to manage snapshot: " + e.toString());
        return new ManageSnapshotAnswer(command, false, "Failed to manage snapshot: " + e.toString());
    }
}

Example 30 with KvmPhysicalDisk

use of com.cloud.hypervisor.kvm.storage.KvmPhysicalDisk in project cosmic by MissionCriticalCloud.

the class LibvirtResizeVolumeCommandWrapper method execute.

@Override
public Answer execute(final ResizeVolumeCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final String volid = command.getPath();
    final long newSize = command.getNewSize();
    final long currentSize = command.getCurrentSize();
    final String vmInstanceName = command.getInstanceName();
    final boolean shrinkOk = command.getShrinkOk();
    final StorageFilerTO spool = command.getPool();
    final String notifyOnlyType = "NOTIFYONLY";
    if (currentSize == newSize) {
        // nothing to do
        s_logger.info("No need to resize volume: current size " + currentSize + " is same as new size " + newSize);
        return new ResizeVolumeAnswer(command, true, "success", currentSize);
    }
    try {
        final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
        KvmStoragePool pool = storagePoolMgr.getStoragePool(spool.getType(), spool.getUuid());
        final KvmPhysicalDisk vol = pool.getPhysicalDisk(volid);
        final String path = vol.getPath();
        String type = notifyOnlyType;
        if (pool.getType() != StoragePoolType.RBD) {
            type = libvirtComputingResource.getResizeScriptType(pool, vol);
            if (type.equals("QCOW2") && shrinkOk) {
                return new ResizeVolumeAnswer(command, false, "Unable to shrink volumes of type " + type);
            }
        } else {
            s_logger.debug("Volume " + path + " is on a RBD storage pool. No need to query for additional information.");
        }
        s_logger.debug("Resizing volume: " + path + "," + currentSize + "," + newSize + "," + type + "," + vmInstanceName + "," + shrinkOk);
        /*
       * libvirt doesn't support resizing (C)LVM devices, and corrupts QCOW2 in some scenarios, so we have to do these
       * via Bash script
       */
        if (pool.getType() != StoragePoolType.CLVM && vol.getFormat() != PhysicalDiskFormat.QCOW2) {
            s_logger.debug("Volume " + path + " can be resized by libvirt. Asking libvirt to resize the volume.");
            try {
                final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
                final Connect conn = libvirtUtilitiesHelper.getConnection();
                final StorageVol v = conn.storageVolLookupByPath(path);
                int flags = 0;
                if (conn.getLibVirVersion() > 1001000 && vol.getFormat() == PhysicalDiskFormat.RAW && pool.getType() != StoragePoolType.RBD) {
                    flags = 1;
                }
                if (shrinkOk) {
                    flags = 4;
                }
                v.resize(newSize, flags);
            } catch (final LibvirtException e) {
                return new ResizeVolumeAnswer(command, false, e.toString());
            }
        }
        s_logger.debug("Invoking resize script to handle type " + type);
        final Script resizecmd = new Script(libvirtComputingResource.getResizeVolumePath(), libvirtComputingResource.getCmdsTimeout(), s_logger);
        resizecmd.add("-s", String.valueOf(newSize));
        resizecmd.add("-c", String.valueOf(currentSize));
        resizecmd.add("-p", path);
        resizecmd.add("-t", type);
        resizecmd.add("-r", String.valueOf(shrinkOk));
        resizecmd.add("-v", vmInstanceName);
        final String result = resizecmd.execute();
        if (result != null) {
            if (type.equals(notifyOnlyType)) {
                return new ResizeVolumeAnswer(command, true, "Resize succeeded, but need reboot to notify guest");
            } else {
                return new ResizeVolumeAnswer(command, false, result);
            }
        }
        /* fetch new size as seen from libvirt, don't want to assume anything */
        pool = storagePoolMgr.getStoragePool(spool.getType(), spool.getUuid());
        pool.refresh();
        final long finalSize = pool.getPhysicalDisk(volid).getVirtualSize();
        s_logger.debug("after resize, size reports as " + finalSize + ", requested " + newSize);
        return new ResizeVolumeAnswer(command, true, "success", finalSize);
    } catch (final CloudRuntimeException e) {
        final String error = "Failed to resize volume: " + e.getMessage();
        s_logger.debug(error);
        return new ResizeVolumeAnswer(command, false, error);
    }
}