Examples with Connect org.libvirt.Connect used on opensource projects

Example 56 with Connect

use of org.libvirt.Connect in project CloudStack-archive by CloudStack-extras.

the class LibvirtComputingResource method getAllVms.

private HashMap<String, State> getAllVms() {
    final HashMap<String, State> vmStates = new HashMap<String, State>();
    String[] vms = null;
    int[] ids = null;
    Connect conn = null;
    try {
        conn = LibvirtConnection.getConnection();
    } catch (LibvirtException e) {
        s_logger.debug("Failed to get connection: " + e.getMessage());
        return vmStates;
    }
    try {
        ids = conn.listDomains();
    } catch (final LibvirtException e) {
        s_logger.warn("Unable to listDomains", e);
        return null;
    }
    try {
        vms = conn.listDefinedDomains();
    } catch (final LibvirtException e) {
        s_logger.warn("Unable to listDomains", e);
        return null;
    }
    Domain dm = null;
    for (int i = 0; i < ids.length; i++) {
        try {
            dm = conn.domainLookupByID(ids[i]);
            DomainInfo.DomainState ps = dm.getInfo().state;
            final State state = convertToState(ps);
            s_logger.trace("VM " + dm.getName() + ": powerstate = " + ps + "; vm state=" + state.toString());
            String vmName = dm.getName();
            vmStates.put(vmName, state);
        } catch (final LibvirtException e) {
            s_logger.warn("Unable to get vms", e);
        } finally {
            try {
                if (dm != null) {
                    dm.free();
                }
            } catch (LibvirtException e) {
            }
        }
    }
    for (int i = 0; i < vms.length; i++) {
        try {
            dm = conn.domainLookupByUUID(UUID.nameUUIDFromBytes(vms[i].getBytes()));
            DomainInfo.DomainState ps = dm.getInfo().state;
            final State state = convertToState(ps);
            String vmName = dm.getName();
            s_logger.trace("VM " + vmName + ": powerstate = " + ps + "; vm state=" + state.toString());
            vmStates.put(vmName, state);
        } catch (final LibvirtException e) {
            s_logger.warn("Unable to get vms", e);
        } catch (Exception e) {
            s_logger.warn("Unable to get vms", e);
        } finally {
            try {
                if (dm != null) {
                    dm.free();
                }
            } catch (LibvirtException e) {
            }
        }
    }
    return vmStates;
}

Example 57 with Connect

use of org.libvirt.Connect in project CloudStack-archive by CloudStack-extras.

the class LibvirtComputingResource method execute.

protected BackupSnapshotAnswer execute(final BackupSnapshotCommand cmd) {
    Long dcId = cmd.getDataCenterId();
    Long accountId = cmd.getAccountId();
    Long volumeId = cmd.getVolumeId();
    String secondaryStoragePoolUrl = cmd.getSecondaryStorageUrl();
    String snapshotName = cmd.getSnapshotName();
    String snapshotPath = cmd.getVolumePath();
    String snapshotDestPath = null;
    String snapshotRelPath = null;
    String vmName = cmd.getVmName();
    KVMStoragePool secondaryStoragePool = null;
    try {
        Connect conn = LibvirtConnection.getConnection();
        secondaryStoragePool = _storagePoolMgr.getStoragePoolByURI(secondaryStoragePoolUrl);
        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;
        KVMStoragePool primaryPool = _storagePoolMgr.getStoragePool(cmd.getPrimaryStoragePoolNameLabel());
        KVMPhysicalDisk snapshotDisk = primaryPool.getPhysicalDisk(cmd.getVolumePath());
        Script command = new Script(_manageSnapshotPath, _cmdsTimeout, s_logger);
        command.add("-b", snapshotDisk.getPath());
        command.add("-n", snapshotName);
        command.add("-p", snapshotDestPath);
        command.add("-t", snapshotName);
        String result = command.execute();
        if (result != null) {
            s_logger.debug("Failed to backup snaptshot: " + result);
            return new BackupSnapshotAnswer(cmd, false, result, null, true);
        }
        /* Delete the snapshot on primary */
        DomainInfo.DomainState state = null;
        Domain vm = null;
        if (vmName != null) {
            try {
                vm = getDomain(conn, cmd.getVmName());
                state = vm.getInfo().state;
            } catch (LibvirtException e) {
            }
        }
        KVMStoragePool primaryStorage = _storagePoolMgr.getStoragePool(cmd.getPool().getUuid());
        if (state == DomainInfo.DomainState.VIR_DOMAIN_RUNNING && !primaryStorage.isExternalSnapshot()) {
            String vmUuid = vm.getUUIDString();
            Object[] args = new Object[] { snapshotName, vmUuid };
            String snapshot = SnapshotXML.format(args);
            s_logger.debug(snapshot);
            DomainSnapshot snap = vm.snapshotLookupByName(snapshotName);
            snap.delete(0);
            /*
				 * libvirt on RHEL6 doesn't handle resume event emitted from
				 * qemu
				 */
            vm = getDomain(conn, cmd.getVmName());
            state = vm.getInfo().state;
            if (state == DomainInfo.DomainState.VIR_DOMAIN_PAUSED) {
                vm.resume();
            }
        } else {
            command = new Script(_manageSnapshotPath, _cmdsTimeout, s_logger);
            command.add("-d", snapshotDisk.getPath());
            command.add("-n", snapshotName);
            result = command.execute();
            if (result != null) {
                s_logger.debug("Failed to backup snapshot: " + result);
                return new BackupSnapshotAnswer(cmd, false, "Failed to backup snapshot: " + result, null, true);
            }
        }
    } catch (LibvirtException e) {
        return new BackupSnapshotAnswer(cmd, false, e.toString(), null, true);
    } catch (CloudRuntimeException e) {
        return new BackupSnapshotAnswer(cmd, false, e.toString(), null, true);
    } finally {
        if (secondaryStoragePool != null) {
            secondaryStoragePool.delete();
        }
    }
    return new BackupSnapshotAnswer(cmd, true, null, snapshotRelPath + File.separator + snapshotName, true);
}

Example 58 with Connect

use of org.libvirt.Connect in project CloudStack-archive by CloudStack-extras.

the class LibvirtComputingResource method configure.

@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
    boolean success = super.configure(name, params);
    if (!success) {
        return false;
    }
    try {
        Class<?> clazz = Class.forName("com.cloud.storage.JavaStorageLayer");
        _storage = (StorageLayer) ComponentLocator.inject(clazz);
        _storage.configure("StorageLayer", params);
    } catch (ClassNotFoundException e) {
        throw new ConfigurationException("Unable to find class " + "com.cloud.storage.JavaStorageLayer");
    }
    _virtRouterResource = new VirtualRoutingResource();
    // Set the domr scripts directory
    params.put("domr.scripts.dir", "scripts/network/domr/kvm");
    success = _virtRouterResource.configure(name, params);
    String kvmScriptsDir = (String) params.get("kvm.scripts.dir");
    if (kvmScriptsDir == null) {
        kvmScriptsDir = "scripts/vm/hypervisor/kvm";
    }
    String networkScriptsDir = (String) params.get("network.scripts.dir");
    if (networkScriptsDir == null) {
        networkScriptsDir = getDefaultNetworkScriptsDir();
    }
    String storageScriptsDir = (String) params.get("storage.scripts.dir");
    if (storageScriptsDir == null) {
        storageScriptsDir = getDefaultStorageScriptsDir();
    }
    if (!success) {
        return false;
    }
    _host = (String) params.get("host");
    if (_host == null) {
        _host = "localhost";
    }
    _dcId = (String) params.get("zone");
    if (_dcId == null) {
        _dcId = "default";
    }
    _pod = (String) params.get("pod");
    if (_pod == null) {
        _pod = "default";
    }
    _clusterId = (String) params.get("cluster");
    _modifyVlanPath = Script.findScript(networkScriptsDir, "modifyvlan.sh");
    if (_modifyVlanPath == null) {
        throw new ConfigurationException("Unable to find modifyvlan.sh");
    }
    _versionstringpath = Script.findScript(kvmScriptsDir, "versions.sh");
    if (_versionstringpath == null) {
        throw new ConfigurationException("Unable to find versions.sh");
    }
    _patchdomrPath = Script.findScript(kvmScriptsDir + "/patch/", "rundomrpre.sh");
    if (_patchdomrPath == null) {
        throw new ConfigurationException("Unable to find rundomrpre.sh");
    }
    _heartBeatPath = Script.findScript(kvmScriptsDir, "kvmheartbeat.sh");
    if (_heartBeatPath == null) {
        throw new ConfigurationException("Unable to find kvmheartbeat.sh");
    }
    _createvmPath = Script.findScript(storageScriptsDir, "createvm.sh");
    if (_createvmPath == null) {
        throw new ConfigurationException("Unable to find the createvm.sh");
    }
    _manageSnapshotPath = Script.findScript(storageScriptsDir, "managesnapshot.sh");
    if (_manageSnapshotPath == null) {
        throw new ConfigurationException("Unable to find the managesnapshot.sh");
    }
    _createTmplPath = Script.findScript(storageScriptsDir, "createtmplt.sh");
    if (_createTmplPath == null) {
        throw new ConfigurationException("Unable to find the createtmplt.sh");
    }
    _securityGroupPath = Script.findScript(networkScriptsDir, "security_group.py");
    if (_securityGroupPath == null) {
        throw new ConfigurationException("Unable to find the security_group.py");
    }
    _networkUsagePath = Script.findScript("scripts/network/domr/", "networkUsage.sh");
    if (_networkUsagePath == null) {
        throw new ConfigurationException("Unable to find the networkUsage.sh");
    }
    String value = (String) params.get("developer");
    boolean isDeveloper = Boolean.parseBoolean(value);
    if (isDeveloper) {
        params.putAll(getDeveloperProperties());
    }
    _pool = (String) params.get("pool");
    if (_pool == null) {
        _pool = "/root";
    }
    String instance = (String) params.get("instance");
    _hypervisorType = (String) params.get("hypervisor.type");
    if (_hypervisorType == null) {
        _hypervisorType = "kvm";
    }
    _hypervisorURI = (String) params.get("hypervisor.uri");
    if (_hypervisorURI == null) {
        _hypervisorURI = "qemu:///system";
    }
    String startMac = (String) params.get("private.macaddr.start");
    if (startMac == null) {
        startMac = "00:16:3e:77:e2:a0";
    }
    String startIp = (String) params.get("private.ipaddr.start");
    if (startIp == null) {
        startIp = "192.168.166.128";
    }
    _pingTestPath = Script.findScript(kvmScriptsDir, "pingtest.sh");
    if (_pingTestPath == null) {
        throw new ConfigurationException("Unable to find the pingtest.sh");
    }
    _linkLocalBridgeName = (String) params.get("private.bridge.name");
    if (_linkLocalBridgeName == null) {
        if (isDeveloper) {
            _linkLocalBridgeName = "cloud-" + instance + "-0";
        } else {
            _linkLocalBridgeName = "cloud0";
        }
    }
    _publicBridgeName = (String) params.get("public.network.device");
    if (_publicBridgeName == null) {
        _publicBridgeName = "cloudbr0";
    }
    _privBridgeName = (String) params.get("private.network.device");
    if (_privBridgeName == null) {
        _privBridgeName = "cloudbr1";
    }
    _guestBridgeName = (String) params.get("guest.network.device");
    if (_guestBridgeName == null) {
        _guestBridgeName = _privBridgeName;
    }
    _privNwName = (String) params.get("private.network.name");
    if (_privNwName == null) {
        if (isDeveloper) {
            _privNwName = "cloud-" + instance + "-private";
        } else {
            _privNwName = "cloud-private";
        }
    }
    _localStoragePath = (String) params.get("local.storage.path");
    if (_localStoragePath == null) {
        _localStoragePath = "/var/lib/libvirt/images/";
    }
    _localStorageUUID = (String) params.get("local.storage.uuid");
    if (_localStorageUUID == null) {
        _localStorageUUID = UUID.randomUUID().toString();
        params.put("local.storage.uuid", _localStorageUUID);
    }
    value = (String) params.get("scripts.timeout");
    _timeout = NumbersUtil.parseInt(value, 30 * 60) * 1000;
    value = (String) params.get("stop.script.timeout");
    _stopTimeout = NumbersUtil.parseInt(value, 120) * 1000;
    value = (String) params.get("cmds.timeout");
    _cmdsTimeout = NumbersUtil.parseInt(value, 7200) * 1000;
    value = (String) params.get("host.reserved.mem.mb");
    _dom0MinMem = NumbersUtil.parseInt(value, 0) * 1024 * 1024;
    value = (String) params.get("debug.mode");
    LibvirtConnection.initialize(_hypervisorURI);
    Connect conn = null;
    try {
        conn = LibvirtConnection.getConnection();
    } catch (LibvirtException e) {
        throw new CloudRuntimeException(e.getMessage());
    }
    /* Does node support HVM guest? If not, exit */
    if (!IsHVMEnabled(conn)) {
        throw new ConfigurationException("NO HVM support on this machine, pls make sure: " + "1. VT/SVM is supported by your CPU, or is enabled in BIOS. " + "2. kvm modules is installed");
    }
    _hypervisorPath = getHypervisorPath(conn);
    try {
        _hvVersion = conn.getVersion();
        _hvVersion = (_hvVersion % 1000000) / 1000;
    } catch (LibvirtException e) {
    }
    String[] info = NetUtils.getNetworkParams(_privateNic);
    _monitor = new KVMHAMonitor(null, info[0], _heartBeatPath);
    Thread ha = new Thread(_monitor);
    ha.start();
    _storagePoolMgr = new KVMStoragePoolManager(_storage, _monitor);
    _sysvmISOPath = (String) params.get("systemvm.iso.path");
    if (_sysvmISOPath == null) {
        String[] isoPaths = { "/usr/lib64/cloud/agent/vms/systemvm.iso", "/usr/lib/cloud/agent/vms/systemvm.iso" };
        for (String isoPath : isoPaths) {
            if (_storage.exists(isoPath)) {
                _sysvmISOPath = isoPath;
                break;
            }
        }
        if (_sysvmISOPath == null) {
            s_logger.debug("Can't find system vm ISO");
        }
    }
    try {
        createControlNetwork(conn);
    } catch (LibvirtException e) {
        throw new ConfigurationException(e.getMessage());
    }
    _pifs = getPifs();
    if (_pifs.first() == null) {
        s_logger.debug("Failed to get private nic name");
        throw new ConfigurationException("Failed to get private nic name");
    }
    if (_pifs.second() == null) {
        s_logger.debug("Failed to get public nic name");
        throw new ConfigurationException("Failed to get public nic name");
    }
    s_logger.debug("Found pif: " + _pifs.first() + " on " + _privBridgeName + ", pif: " + _pifs.second() + " on " + _publicBridgeName);
    _can_bridge_firewall = can_bridge_firewall(_pifs.second());
    _localGateway = Script.runSimpleBashScript("ip route |grep default|awk '{print $3}'");
    if (_localGateway == null) {
        s_logger.debug("Failed to found the local gateway");
    }
    _mountPoint = (String) params.get("mount.path");
    if (_mountPoint == null) {
        _mountPoint = "/mnt";
    }
    value = (String) params.get("vm.migrate.speed");
    _migrateSpeed = NumbersUtil.parseInt(value, -1);
    if (_migrateSpeed == -1) {
        //get guest network device speed
        _migrateSpeed = 0;
        String speed = Script.runSimpleBashScript("ethtool " + _pifs.second() + " |grep Speed | cut -d \\  -f 2");
        if (speed != null) {
            String[] tokens = speed.split("M");
            if (tokens.length == 2) {
                try {
                    _migrateSpeed = Integer.parseInt(tokens[0]);
                } catch (Exception e) {
                }
                s_logger.debug("device " + _pifs.second() + " has speed: " + String.valueOf(_migrateSpeed));
            }
        }
        params.put("vm.migrate.speed", String.valueOf(_migrateSpeed));
    }
    saveProperties(params);
    return true;
}

Example 59 with Connect

use of org.libvirt.Connect in project CloudStack-archive by CloudStack-extras.

the class LibvirtStorageAdaptor method getStoragePool.

@Override
public KVMStoragePool getStoragePool(String uuid) {
    StoragePool storage = null;
    try {
        Connect conn = LibvirtConnection.getConnection();
        storage = conn.storagePoolLookupByUUIDString(uuid);
        if (storage.getInfo().state != StoragePoolState.VIR_STORAGE_POOL_RUNNING) {
            storage.create(0);
        }
        LibvirtStoragePoolDef spd = getStoragePoolDef(conn, storage);
        StoragePoolType type = null;
        if (spd.getPoolType() == LibvirtStoragePoolDef.poolType.NETFS || spd.getPoolType() == LibvirtStoragePoolDef.poolType.DIR) {
            type = StoragePoolType.Filesystem;
        }
        LibvirtStoragePool pool = new LibvirtStoragePool(uuid, storage.getName(), type, this, storage);
        pool.setLocalPath(spd.getTargetPath());
        getStats(pool);
        return pool;
    } catch (LibvirtException e) {
        throw new CloudRuntimeException(e.toString());
    }
}

Example 60 with Connect

use of org.libvirt.Connect in project CloudStack-archive by CloudStack-extras.

the class LibvirtStorageAdaptor method createStoragePool.

@Override
public KVMStoragePool createStoragePool(String name, String host, String path, StoragePoolType type) {
    StoragePool sp = null;
    Connect conn = null;
    try {
        conn = LibvirtConnection.getConnection();
    } catch (LibvirtException e) {
        throw new CloudRuntimeException(e.toString());
    }
    try {
        sp = conn.storagePoolLookupByUUIDString(name);
        if (sp.getInfo().state != StoragePoolState.VIR_STORAGE_POOL_RUNNING) {
            sp.undefine();
            sp = null;
        }
    } catch (LibvirtException e) {
    }
    if (sp == null) {
        if (type == StoragePoolType.NetworkFilesystem) {
            sp = createNfsStoragePool(conn, name, host, path);
        } else if (type == StoragePoolType.SharedMountPoint || type == StoragePoolType.Filesystem) {
            sp = CreateSharedStoragePool(conn, name, host, path);
        }
    }
    try {
        StoragePoolInfo spi = sp.getInfo();
        if (spi.state != StoragePoolState.VIR_STORAGE_POOL_RUNNING) {
            sp.create(0);
        }
        LibvirtStoragePoolDef spd = getStoragePoolDef(conn, sp);
        LibvirtStoragePool pool = new LibvirtStoragePool(name, sp.getName(), type, this, sp);
        pool.setLocalPath(spd.getTargetPath());
        getStats(pool);
        return pool;
    } catch (LibvirtException e) {
        throw new CloudRuntimeException(e.toString());
    }
}