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

Example 91 with Connect

use of org.libvirt.Connect in project cloudstack by apache.

the class LibvirtConnection method getConnection.

public static Connect getConnection(String hypervisorURI) throws LibvirtException {
    s_logger.debug("Looking for libvirtd connection at: " + hypervisorURI);
    Connect conn = s_connections.get(hypervisorURI);
    if (conn == null) {
        s_logger.info("No existing libvirtd connection found. Opening a new one");
        conn = new Connect(hypervisorURI, false);
        s_logger.debug("Successfully connected to libvirt at: " + hypervisorURI);
        s_connections.put(hypervisorURI, conn);
    } else {
        try {
            conn.getVersion();
        } catch (LibvirtException e) {
            s_logger.error("Connection with libvirtd is broken: " + e.getMessage());
            s_logger.debug("Opening a new libvirtd connection to: " + hypervisorURI);
            conn = new Connect(hypervisorURI, false);
            s_connections.put(hypervisorURI, conn);
        }
    }
    return conn;
}

Example 92 with Connect

use of org.libvirt.Connect in project cloudstack by apache.

the class LibvirtComputingResource method getHostVmStateReport.

private HashMap<String, HostVmStateReportEntry> getHostVmStateReport() {
    final HashMap<String, HostVmStateReportEntry> vmStates = new HashMap<String, HostVmStateReportEntry>();
    Connect conn = null;
    if (_hypervisorType == HypervisorType.LXC) {
        try {
            conn = LibvirtConnection.getConnectionByType(HypervisorType.LXC.toString());
            vmStates.putAll(getHostVmStateReport(conn));
            conn = LibvirtConnection.getConnectionByType(HypervisorType.KVM.toString());
            vmStates.putAll(getHostVmStateReport(conn));
        } catch (final LibvirtException e) {
            s_logger.debug("Failed to get connection: " + e.getMessage());
        }
    }
    if (_hypervisorType == HypervisorType.KVM) {
        try {
            conn = LibvirtConnection.getConnectionByType(HypervisorType.KVM.toString());
            vmStates.putAll(getHostVmStateReport(conn));
        } catch (final LibvirtException e) {
            s_logger.debug("Failed to get connection: " + e.getMessage());
        }
    }
    return vmStates;
}

Example 93 with Connect

use of org.libvirt.Connect in project cloudstack by apache.

the class LibvirtComputingResource method getHostInfo.

protected List<Object> getHostInfo() {
    final ArrayList<Object> info = new ArrayList<Object>();
    long speed = 0;
    long cpus = 0;
    long ram = 0;
    int cpuSockets = 0;
    String cap = null;
    try {
        final Connect conn = LibvirtConnection.getConnection();
        final NodeInfo hosts = conn.nodeInfo();
        speed = getCpuSpeed(hosts);
        /*
            * Some CPUs report a single socket and multiple NUMA cells.
            * We need to multiply them to get the correct socket count.
            */
        cpuSockets = hosts.sockets;
        if (hosts.nodes > 0) {
            cpuSockets = hosts.sockets * hosts.nodes;
        }
        cpus = hosts.cpus;
        ram = hosts.memory * 1024L;
        final LibvirtCapXMLParser parser = new LibvirtCapXMLParser();
        parser.parseCapabilitiesXML(conn.getCapabilities());
        final ArrayList<String> oss = parser.getGuestOsType();
        for (final String s : oss) {
            /*
                 * Even host supports guest os type more than hvm, we only
                 * report hvm to management server
                 */
            if (s.equalsIgnoreCase("hvm")) {
                cap = "hvm";
            }
        }
    } catch (final LibvirtException e) {
        s_logger.trace("Ignoring libvirt error.", e);
    }
    if (isSnapshotSupported()) {
        cap = cap + ",snapshot";
    }
    info.add((int) cpus);
    info.add(speed);
    // Report system's RAM as actual RAM minus host OS reserved RAM
    ram = ram - _dom0MinMem;
    info.add(ram);
    info.add(cap);
    info.add(_dom0MinMem);
    info.add(cpuSockets);
    s_logger.debug("cpus=" + cpus + ", speed=" + speed + ", ram=" + ram + ", _dom0MinMem=" + _dom0MinMem + ", cpu sockets=" + cpuSockets);
    return info;
}

Example 94 with Connect

use of org.libvirt.Connect in project cloudstack by apache.

the class LibvirtComputingResource method prepareNetworkElementCommand.

protected ExecutionResult prepareNetworkElementCommand(final SetSourceNatCommand cmd) {
    Connect conn;
    final String routerName = cmd.getAccessDetail(NetworkElementCommand.ROUTER_NAME);
    cmd.getAccessDetail(NetworkElementCommand.ROUTER_IP);
    final IpAddressTO pubIP = cmd.getIpAddress();
    try {
        conn = LibvirtConnection.getConnectionByVmName(routerName);
        Integer devNum = 0;
        final String pubVlan = pubIP.getBroadcastUri();
        final List<InterfaceDef> pluggedNics = getInterfaces(conn, routerName);
        for (final InterfaceDef pluggedNic : pluggedNics) {
            final String pluggedVlanBr = pluggedNic.getBrName();
            final String pluggedVlanId = getBroadcastUriFromBridge(pluggedVlanBr);
            if (pubVlan.equalsIgnoreCase(Vlan.UNTAGGED) && pluggedVlanBr.equalsIgnoreCase(_publicBridgeName)) {
                break;
            } else if (pluggedVlanBr.equalsIgnoreCase(_linkLocalBridgeName)) {
            /*skip over, no physical bridge device exists*/
            } else if (pluggedVlanId == null) {
                /*this should only be true in the case of link local bridge*/
                return new ExecutionResult(false, "unable to find the vlan id for bridge " + pluggedVlanBr + " when attempting to set up" + pubVlan + " on router " + routerName);
            } else if (pluggedVlanId.equals(pubVlan)) {
                break;
            }
            devNum++;
        }
        pubIP.setNicDevId(devNum);
        return new ExecutionResult(true, "success");
    } catch (final LibvirtException e) {
        final String msg = "Ip SNAT failure due to " + e.toString();
        s_logger.error(msg, e);
        return new ExecutionResult(false, msg);
    }
}

Example 95 with Connect

use of org.libvirt.Connect in project cloudstack by apache.

the class LibvirtComputingResource method prepareNetworkElementCommand.

public ExecutionResult prepareNetworkElementCommand(final IpAssocCommand cmd) {
    final String routerName = cmd.getAccessDetail(NetworkElementCommand.ROUTER_NAME);
    final String routerIp = cmd.getAccessDetail(NetworkElementCommand.ROUTER_IP);
    Connect conn;
    try {
        conn = LibvirtConnection.getConnectionByVmName(routerName);
        final List<InterfaceDef> nics = getInterfaces(conn, routerName);
        final Map<String, Integer> broadcastUriAllocatedToVM = new HashMap<String, Integer>();
        Integer nicPos = 0;
        for (final InterfaceDef nic : nics) {
            if (nic.getBrName().equalsIgnoreCase(_linkLocalBridgeName)) {
                broadcastUriAllocatedToVM.put("LinkLocal", nicPos);
            } else {
                if (nic.getBrName().equalsIgnoreCase(_publicBridgeName) || nic.getBrName().equalsIgnoreCase(_privBridgeName) || nic.getBrName().equalsIgnoreCase(_guestBridgeName)) {
                    broadcastUriAllocatedToVM.put(BroadcastDomainType.Vlan.toUri(Vlan.UNTAGGED).toString(), nicPos);
                } else {
                    final String broadcastUri = getBroadcastUriFromBridge(nic.getBrName());
                    broadcastUriAllocatedToVM.put(broadcastUri, nicPos);
                }
            }
            nicPos++;
        }
        final IpAddressTO[] ips = cmd.getIpAddresses();
        int nicNum = 0;
        for (final IpAddressTO ip : ips) {
            boolean newNic = false;
            if (!broadcastUriAllocatedToVM.containsKey(ip.getBroadcastUri())) {
                /* plug a vif into router */
                VifHotPlug(conn, routerName, ip.getBroadcastUri(), ip.getVifMacAddress());
                broadcastUriAllocatedToVM.put(ip.getBroadcastUri(), nicPos++);
                newNic = true;
            }
            nicNum = broadcastUriAllocatedToVM.get(ip.getBroadcastUri());
            networkUsage(routerIp, "addVif", "eth" + nicNum);
            ip.setNicDevId(nicNum);
            ip.setNewNic(newNic);
        }
        return new ExecutionResult(true, null);
    } catch (final LibvirtException e) {
        s_logger.error("ipassoccmd failed", e);
        return new ExecutionResult(false, e.getMessage());
    } catch (final InternalErrorException e) {
        s_logger.error("ipassoccmd failed", e);
        return new ExecutionResult(false, e.getMessage());
    }
}