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

Example 1 with KvmStoragePoolManager

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

the class LibvirtPrimaryStorageDownloadCommandWrapper method execute.

@Override
public Answer execute(final PrimaryStorageDownloadCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final String tmplturl = command.getUrl();
    final int index = tmplturl.lastIndexOf("/");
    final String mountpoint = tmplturl.substring(0, index);
    String tmpltname = null;
    if (index < tmplturl.length() - 1) {
        tmpltname = tmplturl.substring(index + 1);
    }
    KvmPhysicalDisk tmplVol = null;
    KvmStoragePool secondaryPool = null;
    final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
    try {
        secondaryPool = storagePoolMgr.getStoragePoolByUri(mountpoint);
        /* Get template vol */
        if (tmpltname == null) {
            secondaryPool.refresh();
            final List<KvmPhysicalDisk> disks = secondaryPool.listPhysicalDisks();
            if (disks == null || disks.isEmpty()) {
                return new PrimaryStorageDownloadAnswer("Failed to get volumes from pool: " + secondaryPool.getUuid());
            }
            for (final KvmPhysicalDisk disk : disks) {
                if (disk.getName().endsWith("qcow2")) {
                    tmplVol = disk;
                    break;
                }
            }
            if (tmplVol == null) {
                return new PrimaryStorageDownloadAnswer("Failed to get template from pool: " + secondaryPool.getUuid());
            }
        } else {
            tmplVol = secondaryPool.getPhysicalDisk(tmpltname);
        }
        /* Copy volume to primary storage */
        final KvmStoragePool primaryPool = storagePoolMgr.getStoragePool(command.getPool().getType(), command.getPoolUuid());
        final KvmPhysicalDisk primaryVol = storagePoolMgr.copyPhysicalDisk(tmplVol, UUID.randomUUID().toString(), primaryPool, 0);
        return new PrimaryStorageDownloadAnswer(primaryVol.getName(), primaryVol.getSize());
    } catch (final CloudRuntimeException e) {
        return new PrimaryStorageDownloadAnswer(e.toString());
    } finally {
        if (secondaryPool != null) {
            storagePoolMgr.deleteStoragePool(secondaryPool.getType(), secondaryPool.getUuid());
        }
    }
}

Example 2 with KvmStoragePoolManager

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

the class LibvirtDestroyCommandWrapper method execute.

@Override
public Answer execute(final DestroyCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final VolumeTO vol = command.getVolume();
    try {
        final KvmStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
        final KvmStoragePool pool = storagePoolMgr.getStoragePool(vol.getPoolType(), vol.getPoolUuid());
        pool.deletePhysicalDisk(vol.getPath(), null);
        return new Answer(command, true, "Success");
    } catch (final CloudRuntimeException e) {
        s_logger.debug("Failed to delete volume: " + e.toString());
        return new Answer(command, false, e.toString());
    }
}

Example 3 with KvmStoragePoolManager

use of com.cloud.agent.resource.kvm.storage.KvmStoragePoolManager 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 4 with KvmStoragePoolManager

use of com.cloud.agent.resource.kvm.storage.KvmStoragePoolManager 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(this.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, this.libvirtComputingResource);
    assertFalse(answer.getResult());
    verify(this.libvirtComputingResource, times(1)).getStoragePoolMgr();
}

Example 5 with KvmStoragePoolManager

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

the class LibvirtComputingResourceTest method testManageSnapshotCommandLibvirt.

@Test
public void testManageSnapshotCommandLibvirt() {
    final StoragePool storagePool = Mockito.mock(StoragePool.class);
    final String volumePath = "/123/vol";
    final String vmName = "Test";
    final long snapshotId = 1l;
    final String preSnapshotPath = "/snapshot/path";
    final String snapshotName = "snap";
    final ManageSnapshotCommand command = new ManageSnapshotCommand(snapshotId, volumePath, storagePool, preSnapshotPath, snapshotName, vmName);
    final LibvirtUtilitiesHelper libvirtUtilitiesHelper = Mockito.mock(LibvirtUtilitiesHelper.class);
    final Connect conn = Mockito.mock(Connect.class);
    final KvmStoragePoolManager storagePoolMgr = Mockito.mock(KvmStoragePoolManager.class);
    final KvmStoragePool primaryPool = Mockito.mock(KvmStoragePool.class);
    final Domain vm = Mockito.mock(Domain.class);
    final DomainInfo info = Mockito.mock(DomainInfo.class);
    final DomainState state = DomainInfo.DomainState.VIR_DOMAIN_RUNNING;
    info.state = state;
    final KvmPhysicalDisk disk = Mockito.mock(KvmPhysicalDisk.class);
    final StorageFilerTO pool = command.getPool();
    when(this.libvirtComputingResource.getLibvirtUtilitiesHelper()).thenReturn(libvirtUtilitiesHelper);
    try {
        when(libvirtUtilitiesHelper.getConnectionByVmName(vmName)).thenReturn(conn);
        when(this.libvirtComputingResource.getDomain(conn, command.getVmName())).thenReturn(vm);
        when(vm.getInfo()).thenReturn(info);
    } catch (final LibvirtException e) {
        fail(e.getMessage());
    }
    when(this.libvirtComputingResource.getStoragePoolMgr()).thenReturn(storagePoolMgr);
    when(storagePoolMgr.getStoragePool(pool.getType(), pool.getUuid())).thenReturn(primaryPool);
    when(primaryPool.getPhysicalDisk(command.getVolumePath())).thenReturn(disk);
    when(primaryPool.isExternalSnapshot()).thenReturn(false);
    try {
        when(vm.getUUIDString()).thenReturn("cdb18980-546d-4153-b916-70ee9edf0908");
    } catch (final LibvirtException e) {
        fail(e.getMessage());
    }
    final LibvirtRequestWrapper wrapper = LibvirtRequestWrapper.getInstance();
    assertNotNull(wrapper);
    final Answer answer = wrapper.execute(command, this.libvirtComputingResource);
    assertTrue(answer.getResult());
    verify(this.libvirtComputingResource, times(1)).getStoragePoolMgr();
    verify(this.libvirtComputingResource, times(1)).getLibvirtUtilitiesHelper();
    try {
        verify(libvirtUtilitiesHelper, times(1)).getConnectionByVmName(vmName);
    } catch (final LibvirtException e) {
        fail(e.getMessage());
    }
}