Examples with LibvirtDiskDef com.cloud.agent.resource.kvm.xml.LibvirtDiskDef used on opensource projects

Example 6 with LibvirtDiskDef

use of com.cloud.agent.resource.kvm.xml.LibvirtDiskDef in project cosmic by MissionCriticalCloud.

the class LibvirtDomainXMLParserTest method testDomainXMLParser.

public void testDomainXMLParser() {
    final int vncPort = 5900;
    final DiskControllerType diskBus = DiskControllerType.SCSI;
    final LibvirtDiskDef.DiskType diskType = LibvirtDiskDef.DiskType.FILE;
    final LibvirtDiskDef.DeviceType deviceType = LibvirtDiskDef.DeviceType.DISK;
    final ImageFormat imageFormat = ImageFormat.QCOW2;
    final LibvirtDiskDef.DiskCacheMode diskCache = LibvirtDiskDef.DiskCacheMode.NONE;
    final NicModel ifModel = NicModel.VIRTIO;
    final GuestNetType ifType = GuestNetType.BRIDGE;
    final String diskLabel = "vda";
    final String diskPath = "/var/lib/libvirt/images/my-test-image.qcow2";
    final String xml = "<domain type='kvm' id='10'>" + "<name>s-2970-VM</name>" + "<uuid>4d2c1526-865d-4fc9-a1ac-dbd1801a22d0</uuid>" + "<description>Debian GNU/Linux 6(64-bit)</description>" + "<memory unit='KiB'>262144</memory>" + "<currentMemory unit='KiB'>262144</currentMemory>" + "<vcpu placement='static'>1</vcpu>" + "<cputune>" + "<shares>250</shares>" + "</cputune>" + "<resource>" + "<partition>/machine</partition>" + "</resource>" + "<os>" + "<type arch='x86_64' machine='pc-i440fx-1.5'>hvm</type>" + "<boot dev='cdrom'/>" + "<boot dev='hd'/>" + "</os>" + "<features>" + "<acpi/>" + "<apic/>" + "<pae/>" + "</features>" + "<clock offset='utc'/>" + "<on_poweroff>destroy</on_poweroff>" + "<on_reboot>restart</on_reboot>" + "<on_crash>destroy</on_crash>" + "<devices>" + "<emulator>/usr/bin/kvm-spice</emulator>" + "<disk type='" + diskType.toString() + "' device='" + deviceType.toString() + "'>" + "<driver name='qemu' type='" + imageFormat.toString() + "' cache='" + diskCache.toString() + "'/>" + "<source file='" + diskPath + "'/>" + "<target dev='" + diskLabel + "' bus='" + diskBus.toString() + "'/>" + "<alias name='virtio-disk0'/>" + "<address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>" + "</disk>" + "<disk type='file' device='cdrom'>" + "<driver name='qemu' type='raw' cache='none'/>" + "<source file='/opt/cosmic/agent/vms/systemvm.iso'/>" + "<target dev='hdc' bus='ide'/>" + "<readonly/>" + "<alias name='ide0-1-0'/>" + "<address type='drive' controller='0' bus='1' target='0' unit='0'/>" + "</disk>" + "<controller type='usb' index='0'>" + "<alias name='usb0'/>" + "<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>" + "</controller>" + "<controller type='pci' index='0' model='pci-root'>" + "<alias name='pci0'/>" + "</controller>" + "<controller type='ide' index='0'>" + "<alias name='ide0'/>" + "<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>" + "</controller>" + "<controller type='virtio-serial' index='0'>" + "<alias name='virtio-serial0'/>" + "<address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>" + "</controller>" + "<interface type='" + ifType.toString() + "'>" + "<mac address='0e:00:a9:fe:02:00'/>" + "<source bridge='cloud0'/>" + "<target dev='vnet0'/>" + "<model type='" + ifModel.toString() + "'/>" + "<alias name='net0'/>" + "<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>" + "</interface>" + "<interface type='" + ifType.toString() + "'>" + "<mac address='06:c5:94:00:05:65'/>" + "<source bridge='cloudbr1'/>" + "<target dev='vnet1'/>" + "<model type='" + ifModel.toString() + "'/>" + "<alias name='net1'/>" + "<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>" + "</interface>" + "<interface type='" + ifType.toString() + "'>" + "<mac address='06:c9:f4:00:04:40'/>" + "<source bridge='cloudbr0'/>" + "<target dev='vnet2'/>" + "<model type='" + ifModel.toString() + "'/>" + "<alias name='net2'/>" + "<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>" + "</interface>" + "<interface type='" + ifType.toString() + "'>" + "<mac address='06:7e:c6:00:05:68'/>" + "<source bridge='cloudbr1'/>" + "<target dev='vnet3'/>" + "<model type='" + ifModel.toString() + "'/>" + "<alias name='net3'/>" + "<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>" + "</interface>" + "<serial type='pty'>" + "<source path='/dev/pts/3'/>" + "<target port='0'/>" + "<alias name='serial0'/>" + "</serial>" + "<console type='pty' tty='/dev/pts/3'>" + "<source path='/dev/pts/3'/>" + "<target type='serial' port='0'/>" + "<alias name='serial0'/>" + "</console>" + "<channel type='unix'>" + "<source mode='bind' path='/var/lib/libvirt/qemu/s-2970-VM.agent'/>" + "<target type='virtio' name='s-2970-VM.vport'/>" + "<alias name='channel0'/>" + "<address type='virtio-serial' controller='0' bus='0' port='1'/>" + "</channel>" + "<input type='tablet' bus='usb'>" + "<alias name='input0'/>" + "</input>" + "<input type='mouse' bus='ps2'/>" + "<graphics type='vnc' port='" + vncPort + "' autoport='yes' listen='0.0.0.0'>" + "<listen type='address' address='0.0.0.0'/>" + "</graphics>" + "<video>" + "<model type='cirrus' vram='9216' heads='1'/>" + "<alias name='video0'/>" + "<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>" + "</video>" + "<memballoon model='virtio'>" + "<alias name='balloon0'/>" + "<address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>" + "</memballoon>" + "<rng model='virtio'>" + "<backend model='random'>/dev/random</backend>" + "</rng>" + "<watchdog model='i6300esb' action='reset'/>" + "<watchdog model='ib700' action='poweroff'/>" + "</devices>" + "<seclabel type='none'/>" + "</domain>";
    final LibvirtDomainXmlParser parser = new LibvirtDomainXmlParser();
    parser.parseDomainXml(xml);
    assertEquals(vncPort - 5900, (int) parser.getVncPort());
    final List<LibvirtDiskDef> disks = parser.getDisks();
    /* Disk 0 is the first disk, the QCOW2 file backed virto disk */
    final int diskId = 0;
    assertEquals(diskLabel, disks.get(diskId).getDiskLabel());
    assertEquals(diskPath, disks.get(diskId).getDiskPath());
    assertEquals(diskCache, disks.get(diskId).getCacheMode());
    assertEquals(diskBus, disks.get(diskId).getBusType());
    assertEquals(diskType, disks.get(diskId).getDiskType());
    assertEquals(deviceType, disks.get(diskId).getDeviceType());
    assertEquals(imageFormat, disks.get(diskId).getDiskFormatType());
    final List<InterfaceDef> ifs = parser.getInterfaces();
    for (int i = 0; i < ifs.size(); i++) {
        assertEquals(ifModel, ifs.get(i).getModel());
        assertEquals(ifType, ifs.get(i).getNetType());
    }
    final List<RngDef> rngs = parser.getRngs();
    assertEquals("/dev/random", rngs.get(0).getPath());
    assertEquals(RngBackendModel.RANDOM, rngs.get(0).getRngBackendModel());
    final List<WatchDogDef> watchDogs = parser.getWatchDogs();
    assertEquals(WatchDogModel.I6300ESB, watchDogs.get(0).getModel());
    assertEquals(WatchDogAction.RESET, watchDogs.get(0).getAction());
    assertEquals(WatchDogModel.IB700, watchDogs.get(1).getModel());
    assertEquals(WatchDogAction.POWEROFF, watchDogs.get(1).getAction());
}

Example 7 with LibvirtDiskDef

use of com.cloud.agent.resource.kvm.xml.LibvirtDiskDef in project cosmic by MissionCriticalCloud.

the class LibvirtComputingResourceTest method testMigrateCommand.

@Test
public void testMigrateCommand() {
    final Connect conn = Mockito.mock(Connect.class);
    final Connect dconn = Mockito.mock(Connect.class);
    final LibvirtUtilitiesHelper libvirtUtilitiesHelper = Mockito.mock(LibvirtUtilitiesHelper.class);
    final String vmName = "Test";
    final String destIp = "127.0.0.100";
    final boolean isWindows = false;
    final VirtualMachineTO vmTO = Mockito.mock(VirtualMachineTO.class);
    final boolean executeInSequence = false;
    final MigrateCommand command = new MigrateCommand(vmName, destIp, isWindows, vmTO, executeInSequence);
    when(this.libvirtComputingResource.getLibvirtUtilitiesHelper()).thenReturn(libvirtUtilitiesHelper);
    try {
        when(libvirtUtilitiesHelper.getConnectionByVmName(vmName)).thenReturn(conn);
        when(libvirtUtilitiesHelper.retrieveQemuConnection("qemu+tcp://" + command.getDestinationIp() + "/system")).thenReturn(dconn);
    } catch (final LibvirtException e) {
        fail(e.getMessage());
    }
    final InterfaceDef interfaceDef = Mockito.mock(InterfaceDef.class);
    final List<InterfaceDef> ifaces = new ArrayList<>();
    ifaces.add(interfaceDef);
    when(this.libvirtComputingResource.getInterfaces(conn, vmName)).thenReturn(ifaces);
    final LibvirtDiskDef diskDef = Mockito.mock(LibvirtDiskDef.class);
    final List<LibvirtDiskDef> disks = new ArrayList<>();
    disks.add(diskDef);
    when(this.libvirtComputingResource.getDisks(conn, vmName)).thenReturn(disks);
    final Domain dm = Mockito.mock(Domain.class);
    try {
        when(conn.domainLookupByName(vmName)).thenReturn(dm);
        when(this.libvirtComputingResource.getPrivateIp()).thenReturn("127.0.0.1");
        when(dm.getXMLDesc(8)).thenReturn("host_domain");
        when(dm.getXMLDesc(1)).thenReturn("host_domain");
        when(dm.isPersistent()).thenReturn(1);
        doNothing().when(dm).undefine();
    } catch (final LibvirtException e) {
        fail(e.getMessage());
    } catch (final Exception 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)).getLibvirtUtilitiesHelper();
    try {
        verify(libvirtUtilitiesHelper, times(1)).getConnectionByVmName(vmName);
        verify(libvirtUtilitiesHelper, times(1)).retrieveQemuConnection("qemu+tcp://" + command.getDestinationIp() + "/system");
    } catch (final LibvirtException e) {
        fail(e.getMessage());
    }
    verify(this.libvirtComputingResource, times(1)).getInterfaces(conn, vmName);
    verify(this.libvirtComputingResource, times(1)).getDisks(conn, vmName);
    try {
        verify(conn, times(1)).domainLookupByName(vmName);
    } catch (final LibvirtException e) {
        fail(e.getMessage());
    }
    try {
        verify(dm, times(1)).getXMLDesc(8);
    } catch (final Throwable t) {
        try {
            verify(dm, times(1)).getXMLDesc(1);
        } catch (final LibvirtException e) {
            fail(e.getMessage());
        }
    }
}

Example 8 with LibvirtDiskDef

use of com.cloud.agent.resource.kvm.xml.LibvirtDiskDef in project cosmic by MissionCriticalCloud.

the class KvmStorageProcessor method attachOrDetachDisk.

private synchronized String attachOrDetachDisk(final Connect conn, final boolean attach, final String vmName, final KvmPhysicalDisk attachingDisk, final int devId, final DiskControllerType diskControllerType, final ImageFormat diskFormat, final String serial, final VolumeObjectTO volumeObjectTO) throws LibvirtException, InternalErrorException {
    final List<LibvirtDiskDef> disks;
    Domain dm = null;
    LibvirtDiskDef diskdef = null;
    final KvmStoragePool attachingPool = attachingDisk.getPool();
    try {
        dm = conn.domainLookupByName(vmName);
        final LibvirtDomainXmlParser parser = new LibvirtDomainXmlParser();
        final String domXml = dm.getXMLDesc(0);
        parser.parseDomainXml(domXml);
        disks = parser.getDisks();
        if (!attach) {
            for (final LibvirtDiskDef disk : disks) {
                final String file = disk.getDiskPath();
                if (file != null && file.equalsIgnoreCase(attachingDisk.getPath())) {
                    diskdef = disk;
                    break;
                }
            }
            if (diskdef == null) {
                throw new InternalErrorException("disk: " + attachingDisk.getPath() + " is not attached before");
            }
        } else {
            diskdef = new LibvirtDiskDef();
            if (diskControllerType == DiskControllerType.SCSI) {
                diskdef.setQemuDriver(true);
                diskdef.setDiscard(LibvirtDiskDef.DiscardType.UNMAP);
            }
            diskdef.setSerial(serial);
            diskdef.setDeviceId(devId);
            Optional.ofNullable(volumeObjectTO.getBytesReadRate()).filter(bps -> bps > 0).ifPresent(diskdef::setBytesReadRate);
            Optional.ofNullable(volumeObjectTO.getBytesWriteRate()).filter(bps -> bps > 0).ifPresent(diskdef::setBytesWriteRate);
            if (volumeObjectTO.getIopsTotalRate() == null) {
                Optional.ofNullable(volumeObjectTO.getIopsReadRate()).filter(iops -> iops > 0).ifPresent(diskdef::setIopsReadRate);
                Optional.ofNullable(volumeObjectTO.getIopsWriteRate()).filter(iops -> iops > 0).ifPresent(diskdef::setIopsWriteRate);
            } else {
                Optional.ofNullable(volumeObjectTO.getIopsTotalRate()).filter(iops -> iops > 0).ifPresent(diskdef::setIopsTotalRate);
            }
            if (attachingPool.getType() == StoragePoolType.RBD) {
                diskdef.defNetworkBasedDisk(attachingDisk.getPath(), attachingPool.getSourceHost(), attachingPool.getSourcePort(), attachingPool.getAuthUserName(), attachingPool.getUuid(), devId, diskControllerType, LibvirtDiskDef.DiskProtocol.RBD, ImageFormat.RAW);
            } else if (attachingPool.getType() == StoragePoolType.Gluster) {
                final String mountpoint = attachingPool.getLocalPath();
                final String path = attachingDisk.getPath();
                final String glusterVolume = attachingPool.getSourceDir().replace("/", "");
                diskdef.defNetworkBasedDisk(glusterVolume + path.replace(mountpoint, ""), attachingPool.getSourceHost(), attachingPool.getSourcePort(), null, null, devId, diskControllerType, LibvirtDiskDef.DiskProtocol.GLUSTER, ImageFormat.QCOW2);
            } else if (attachingPool.getType() == StoragePoolType.NetworkFilesystem) {
                diskdef.defFileBasedDisk(attachingDisk.getPath(), devId, diskControllerType, diskFormat);
            } else if (attachingPool.getType() == StoragePoolType.LVM) {
                diskdef.defBlockBasedDisk(attachingDisk.getPath(), devId, diskControllerType);
            }
        }
        final String xml = diskdef.toString();
        return attachOrDetachDevice(conn, attach, vmName, xml);
    } finally {
        if (dm != null) {
            dm.free();
        }
    }
}

Example 9 with LibvirtDiskDef

use of com.cloud.agent.resource.kvm.xml.LibvirtDiskDef in project cosmic by MissionCriticalCloud.

the class KvmStorageProcessor method attachOrDetachIso.

private synchronized String attachOrDetachIso(final Connect conn, final String vmName, String isoPath, final boolean isAttach) throws LibvirtException {
    final String isoXml;
    if (isoPath != null && isAttach) {
        final int index = isoPath.lastIndexOf("/");
        final String path = isoPath.substring(0, index);
        final String name = isoPath.substring(index + 1);
        final KvmStoragePool secondaryPool = this.storagePoolMgr.getStoragePoolByUri(path);
        final KvmPhysicalDisk isoVol = secondaryPool.getPhysicalDisk(name);
        isoPath = isoVol.getPath();
        final LibvirtDiskDef iso = new LibvirtDiskDef();
        iso.defIsoDisk(isoPath);
        isoXml = iso.toString();
    } else {
        final LibvirtDiskDef iso = new LibvirtDiskDef();
        iso.defIsoDisk(null);
        isoXml = iso.toString();
    }
    final List<LibvirtDiskDef> disks = this.resource.getDisks(conn, vmName);
    final String result = attachOrDetachDevice(conn, true, vmName, isoXml);
    if (result == null && !isAttach) {
        for (final LibvirtDiskDef disk : disks) {
            if (disk.getDeviceType() == LibvirtDiskDef.DeviceType.CDROM) {
                this.resource.cleanupDisk(disk);
            }
        }
    }
    return result;
}

Example 10 with LibvirtDiskDef

use of com.cloud.agent.resource.kvm.xml.LibvirtDiskDef in project cosmic by MissionCriticalCloud.

the class LibvirtComputingResource method getVmStat.

public VmStatsEntry getVmStat(final Connect conn, final String vmName) throws LibvirtException {
    Domain dm = null;
    try {
        dm = getDomain(conn, vmName);
        final DomainInfo info = dm.getInfo();
        final VmStatsEntry stats = new VmStatsEntry();
        stats.setNumCPUs(info.nrVirtCpu);
        stats.setEntityType("vm");
        /* get cpu utilization */
        VmStats oldStats = null;
        final Calendar now = Calendar.getInstance();
        oldStats = this.vmStats.get(vmName);
        long elapsedTime = 0;
        if (oldStats != null) {
            elapsedTime = now.getTimeInMillis() - oldStats.timestamp.getTimeInMillis();
            double utilization = (info.cpuTime - oldStats.usedTime) / ((double) elapsedTime * 1000000);
            final NodeInfo node = conn.nodeInfo();
            utilization = utilization / node.cpus;
            if (utilization > 0) {
                stats.setCPUUtilization(utilization * 100);
            }
        }
        /* get network stats */
        final List<InterfaceDef> vifs = getInterfaces(conn, vmName);
        long rx = 0;
        long tx = 0;
        for (final InterfaceDef vif : vifs) {
            final DomainInterfaceStats ifStats = dm.interfaceStats(vif.getDevName());
            rx += ifStats.rx_bytes;
            tx += ifStats.tx_bytes;
        }
        if (oldStats != null) {
            final double deltarx = rx - oldStats.rx;
            if (deltarx > 0) {
                stats.setNetworkReadKBs(deltarx / 1024);
            }
            final double deltatx = tx - oldStats.tx;
            if (deltatx > 0) {
                stats.setNetworkWriteKBs(deltatx / 1024);
            }
        }
        /* get disk stats */
        final List<LibvirtDiskDef> disks = getDisks(conn, vmName);
        long ioRd = 0;
        long ioWr = 0;
        long bytesRd = 0;
        long bytesWr = 0;
        for (final LibvirtDiskDef disk : disks) {
            if (disk.getDeviceType() == DeviceType.CDROM || disk.getDeviceType() == DeviceType.FLOPPY) {
                continue;
            }
            final DomainBlockStats blockStats = dm.blockStats(disk.getDiskLabel());
            ioRd += blockStats.rd_req;
            ioWr += blockStats.wr_req;
            bytesRd += blockStats.rd_bytes;
            bytesWr += blockStats.wr_bytes;
        }
        if (oldStats != null) {
            final long deltaiord = ioRd - oldStats.ioRead;
            if (deltaiord > 0) {
                stats.setDiskReadIOs(deltaiord);
            }
            final long deltaiowr = ioWr - oldStats.ioWrote;
            if (deltaiowr > 0) {
                stats.setDiskWriteIOs(deltaiowr);
            }
            final double deltabytesrd = bytesRd - oldStats.bytesRead;
            if (deltabytesrd > 0) {
                stats.setDiskReadKBs(deltabytesrd / 1024);
            }
            final double deltabyteswr = bytesWr - oldStats.bytesWrote;
            if (deltabyteswr > 0) {
                stats.setDiskWriteKBs(deltabyteswr / 1024);
            }
        }
        /* save to Hashmap */
        final VmStats newStat = new VmStats();
        newStat.usedTime = info.cpuTime;
        newStat.rx = rx;
        newStat.tx = tx;
        newStat.ioRead = ioRd;
        newStat.ioWrote = ioWr;
        newStat.bytesRead = bytesRd;
        newStat.bytesWrote = bytesWr;
        newStat.timestamp = now;
        this.vmStats.put(vmName, newStat);
        return stats;
    } finally {
        if (dm != null) {
            dm.free();
        }
    }
}