Examples with DiskDef com.cloud.hypervisor.kvm.resource.LibvirtVMDef.DiskDef used on opensource projects

Example 16 with DiskDef

use of com.cloud.hypervisor.kvm.resource.LibvirtVMDef.DiskDef in project cloudstack by apache.

the class LibvirtStopCommandWrapper method execute.

@Override
public Answer execute(final StopCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final String vmName = command.getVmName();
    final Map<String, Boolean> vlanToPersistenceMap = command.getVlanToPersistenceMap();
    final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
    if (command.checkBeforeCleanup()) {
        try {
            final Connect conn = libvirtUtilitiesHelper.getConnectionByVmName(vmName);
            final Domain vm = conn.domainLookupByName(command.getVmName());
            if (vm != null && vm.getInfo().state == DomainState.VIR_DOMAIN_RUNNING) {
                return new StopAnswer(command, "vm is still running on host", false);
            }
        } catch (final Exception e) {
            s_logger.debug("Failed to get vm status in case of checkboforecleanup is true", e);
        }
    }
    File pemFile = new File(LibvirtComputingResource.SSHPRVKEYPATH);
    try {
        if (vmName.startsWith("s-") || vmName.startsWith("v-")) {
            // move the command line file to backup.
            s_logger.debug("backing up the cmdline");
            try {
                Pair<Boolean, String> ret = SshHelper.sshExecute(command.getControlIp(), 3922, "root", pemFile, null, "cp -f " + CMDLINE_PATH + " " + CMDLINE_BACKUP_PATH);
                if (!ret.first()) {
                    s_logger.debug("Failed to backup cmdline file due to " + ret.second());
                }
            } catch (Exception e) {
                s_logger.debug("Failed to backup cmdline file due to " + e.getMessage());
            }
        }
        final Connect conn = libvirtUtilitiesHelper.getConnectionByVmName(vmName);
        final List<DiskDef> disks = libvirtComputingResource.getDisks(conn, vmName);
        final List<InterfaceDef> ifaces = libvirtComputingResource.getInterfaces(conn, vmName);
        libvirtComputingResource.destroyNetworkRulesForVM(conn, vmName);
        final String result = libvirtComputingResource.stopVM(conn, vmName, command.isForceStop());
        performAgentStopHook(vmName, libvirtComputingResource);
        if (result == null) {
            if (disks != null && disks.size() > 0) {
                for (final DiskDef disk : disks) {
                    libvirtComputingResource.cleanupDisk(disk);
                }
            } else {
                // When using iSCSI-based managed storage, if the user shuts a VM down from the guest OS (as opposed to doing so from CloudStack),
                // info needs to be passed to the KVM agent to have it disconnect KVM from the applicable iSCSI volumes.
                List<Map<String, String>> volumesToDisconnect = command.getVolumesToDisconnect();
                if (volumesToDisconnect != null) {
                    for (Map<String, String> volumeToDisconnect : volumesToDisconnect) {
                        libvirtComputingResource.cleanupDisk(volumeToDisconnect);
                    }
                }
            }
            if (CollectionUtils.isEmpty(ifaces)) {
                Map<String, DpdkTO> dpdkInterfaceMapping = command.getDpdkInterfaceMapping();
                if (MapUtils.isNotEmpty(dpdkInterfaceMapping)) {
                    for (DpdkTO to : dpdkInterfaceMapping.values()) {
                        String portToRemove = to.getPort();
                        String cmd = String.format("ovs-vsctl del-port %s", portToRemove);
                        s_logger.debug("Removing DPDK port: " + portToRemove);
                        Script.runSimpleBashScript(cmd);
                    }
                }
            } else {
                for (final InterfaceDef iface : ifaces) {
                    String vlanId = libvirtComputingResource.getVlanIdFromBridgeName(iface.getBrName());
                    // each interface at this point, so inform all vif drivers
                    for (final VifDriver vifDriver : libvirtComputingResource.getAllVifDrivers()) {
                        vifDriver.unplug(iface, libvirtComputingResource.shouldDeleteBridge(vlanToPersistenceMap, vlanId));
                    }
                }
            }
        }
        return new StopAnswer(command, result, true);
    } catch (final LibvirtException e) {
        s_logger.debug("unable to stop VM:" + vmName + " due to" + e.getMessage());
        try {
            if (vmName.startsWith("s-") || vmName.startsWith("v-"))
                s_logger.debug("restoring cmdline file from backup");
            Pair<Boolean, String> ret = SshHelper.sshExecute(command.getControlIp(), 3922, "root", pemFile, null, "mv " + CMDLINE_BACKUP_PATH + " " + CMDLINE_PATH);
            if (!ret.first()) {
                s_logger.debug("unable to restore cmdline due to " + ret.second());
            }
        } catch (final Exception ex) {
            s_logger.debug("unable to restore cmdline due to:" + ex.getMessage());
        }
        return new StopAnswer(command, e.getMessage(), false);
    }
}

Example 17 with DiskDef

use of com.cloud.hypervisor.kvm.resource.LibvirtVMDef.DiskDef in project cloudstack by apache.

the class LibvirtMigrateCommandWrapperTest method configureAndVerifyTestSearchDiskDefOnMigrateDiskInfoList.

private void configureAndVerifyTestSearchDiskDefOnMigrateDiskInfoList(String serialNumber, String diskPath, boolean isExpectedDiskInfoNull) {
    MigrateDiskInfo migrateDiskInfo = new MigrateDiskInfo(serialNumber, DiskType.FILE, DriverType.QCOW2, Source.FILE, "sourceText");
    List<MigrateDiskInfo> migrateDiskInfoList = new ArrayList<>();
    migrateDiskInfoList.add(migrateDiskInfo);
    DiskDef disk = new DiskDef();
    disk.setDiskPath(diskPath);
    MigrateDiskInfo returnedMigrateDiskInfo = libvirtMigrateCmdWrapper.searchDiskDefOnMigrateDiskInfoList(migrateDiskInfoList, disk);
    if (isExpectedDiskInfoNull)
        Assert.assertEquals(null, returnedMigrateDiskInfo);
    else
        Assert.assertEquals(migrateDiskInfo, returnedMigrateDiskInfo);
}

Example 18 with DiskDef

use of com.cloud.hypervisor.kvm.resource.LibvirtVMDef.DiskDef in project cloudstack by apache.

the class LibvirtMigrateCommandWrapperTest method deleteOrDisconnectDisksOnSourcePoolTest.

@Test
public void deleteOrDisconnectDisksOnSourcePoolTest() {
    LibvirtMigrateCommandWrapper spyLibvirtMigrateCmdWrapper = PowerMockito.spy(libvirtMigrateCmdWrapper);
    Mockito.doNothing().when(spyLibvirtMigrateCmdWrapper).deleteLocalVolume("volPath");
    List<MigrateDiskInfo> migrateDiskInfoList = new ArrayList<>();
    MigrateDiskInfo migrateDiskInfo0 = createMigrateDiskInfo(true);
    MigrateDiskInfo migrateDiskInfo2 = createMigrateDiskInfo(false);
    List<DiskDef> disks = new ArrayList<>();
    DiskDef diskDef0 = new DiskDef();
    DiskDef diskDef1 = new DiskDef();
    DiskDef diskDef2 = new DiskDef();
    diskDef0.setDiskPath("volPath");
    disks.add(diskDef0);
    disks.add(diskDef1);
    disks.add(diskDef2);
    LibvirtComputingResource libvirtComputingResource = Mockito.spy(new LibvirtComputingResource());
    Mockito.doReturn(true).when(libvirtComputingResource).cleanupDisk(diskDef1);
    Mockito.doReturn(migrateDiskInfo0).when(spyLibvirtMigrateCmdWrapper).searchDiskDefOnMigrateDiskInfoList(migrateDiskInfoList, diskDef0);
    Mockito.doReturn(null).when(spyLibvirtMigrateCmdWrapper).searchDiskDefOnMigrateDiskInfoList(migrateDiskInfoList, diskDef1);
    Mockito.doReturn(migrateDiskInfo2).when(spyLibvirtMigrateCmdWrapper).searchDiskDefOnMigrateDiskInfoList(migrateDiskInfoList, diskDef2);
    spyLibvirtMigrateCmdWrapper.deleteOrDisconnectDisksOnSourcePool(libvirtComputingResource, migrateDiskInfoList, disks);
    InOrder inOrder = Mockito.inOrder(spyLibvirtMigrateCmdWrapper, libvirtComputingResource);
    inOrderVerifyDeleteOrDisconnect(inOrder, spyLibvirtMigrateCmdWrapper, libvirtComputingResource, migrateDiskInfoList, diskDef0, 1, 0);
    inOrderVerifyDeleteOrDisconnect(inOrder, spyLibvirtMigrateCmdWrapper, libvirtComputingResource, migrateDiskInfoList, diskDef1, 0, 1);
    inOrderVerifyDeleteOrDisconnect(inOrder, spyLibvirtMigrateCmdWrapper, libvirtComputingResource, migrateDiskInfoList, diskDef2, 0, 1);
}

Example 19 with DiskDef

use of com.cloud.hypervisor.kvm.resource.LibvirtVMDef.DiskDef in project cloudstack by apache.

the class LibvirtVMDefTest method testDiskDef.

@Test
public void testDiskDef() {
    String filePath = "/var/lib/libvirt/images/disk.qcow2";
    String diskLabel = "vda";
    DiskDef disk = new DiskDef();
    DiskDef.DiskBus bus = DiskDef.DiskBus.VIRTIO;
    DiskDef.DiskFmtType type = DiskDef.DiskFmtType.QCOW2;
    DiskDef.DiskCacheMode cacheMode = DiskDef.DiskCacheMode.WRITEBACK;
    disk.defFileBasedDisk(filePath, diskLabel, bus, type);
    disk.setCacheMode(cacheMode);
    assertEquals(filePath, disk.getDiskPath());
    assertEquals(diskLabel, disk.getDiskLabel());
    assertEquals(bus, disk.getBusType());
    assertEquals(DiskDef.DeviceType.DISK, disk.getDeviceType());
    String xmlDef = disk.toString();
    String expectedXml = "<disk  device='disk' type='file'>\n<driver name='qemu' type='" + type.toString() + "' cache='" + cacheMode.toString() + "' />\n" + "<source file='" + filePath + "'/>\n<target dev='" + diskLabel + "' bus='" + bus.toString() + "'/>\n</disk>\n";
    assertEquals(xmlDef, expectedXml);
}

Example 20 with DiskDef

use of com.cloud.hypervisor.kvm.resource.LibvirtVMDef.DiskDef in project cloudstack by apache.

the class LibvirtComputingResource method getDisks.

public List<DiskDef> getDisks(final Connect conn, final String vmName) {
    final LibvirtDomainXMLParser parser = new LibvirtDomainXMLParser();
    Domain dm = null;
    try {
        dm = conn.domainLookupByName(vmName);
        parser.parseDomainXML(dm.getXMLDesc(0));
        return parser.getDisks();
    } catch (final LibvirtException e) {
        s_logger.debug("Failed to get dom xml: " + e.toString());
        return new ArrayList<DiskDef>();
    } finally {
        try {
            if (dm != null) {
                dm.free();
            }
        } catch (final LibvirtException e) {
            s_logger.trace("Ignoring libvirt error.", e);
        }
    }
}