Examples of com.xensource.xenapi.Network

com.xensource.xenapi.Network
A virtual network @author Citrix Systems, Inc.


    private void setupLinkLocalNetwork(Connection conn) {
        try {
            Network.Record rec = new Network.Record();
            Set<Network> networks = Network.getByNameLabel(conn, _linkLocalPrivateNetworkName);
            Network linkLocal = null;


            if (networks.size() == 0) {
                rec.nameDescription = "link local network used by system vms";
                rec.nameLabel = _linkLocalPrivateNetworkName;
                Map<String, String> configs = new HashMap<String, String>();
                configs.put("ip_begin", NetUtils.getLinkLocalGateway());
                configs.put("ip_end", NetUtils.getLinkLocalIpEnd());
                configs.put("netmask", NetUtils.getLinkLocalNetMask());
                rec.otherConfig = configs;
                linkLocal = Network.create(conn, rec);


            } else {
                linkLocal = networks.iterator().next();
            }


            /* Make sure there is a physical bridge on this network */
            VIF dom0vif = null;
            Pair<VM, VM.Record> vm = getControlDomain(conn);
            VM dom0 = vm.first();
            Set<VIF> vifs = dom0.getVIFs(conn);
            if (vifs.size() != 0) {
                for (VIF vif : vifs) {
                    Map<String, String> otherConfig = vif.getOtherConfig(conn);
                    if (otherConfig != null) {
                        String nameLabel = otherConfig.get("nameLabel");
                        if ((nameLabel != null) && nameLabel.equalsIgnoreCase("link_local_network_vif")) {
                            dom0vif = vif;
                        }
                    }
                }
            }


            /* create temp VIF0 */
            if (dom0vif == null) {
                s_logger.debug("Can't find a vif on dom0 for link local, creating a new one");
                VIF.Record vifr = new VIF.Record();
                vifr.VM = dom0;
                vifr.device = getLowestAvailableVIFDeviceNum(conn, dom0);
                if (vifr.device == null) {
                    s_logger.debug("Failed to create link local network, no vif available");
                    return;
                }
                Map<String, String> config = new HashMap<String, String>();
                config.put("nameLabel", "link_local_network_vif");
                vifr.otherConfig = config;
                vifr.MAC = "FE:FF:FF:FF:FF:FF";
                vifr.network = linkLocal;
                dom0vif = VIF.create(conn, vifr);
                dom0vif.plug(conn);
            } else {
                s_logger.debug("already have a vif on dom0 for link local network");
                if (!dom0vif.getCurrentlyAttached(conn)) {
                    dom0vif.plug(conn);
                }
            }


            String brName = linkLocal.getBridge(conn);
            callHostPlugin(conn, "vmops", "setLinkLocalIP", "brName", brName);
            _host.linkLocalNetwork = linkLocal.getUuid(conn);


        } catch (XenAPIException e) {
            s_logger.warn("Unable to create local link network", e);
        } catch (XmlRpcException e) {
            s_logger.warn("Unable to create local link network", e);

View Full Code Here

    }
    
    private Answer execute(OvsDestroyTunnelCommand cmd) {
        Connection conn = getConnection();
        try {
          Network nw = findOrCreateTunnelNetwork(conn, cmd.getNetworkId());
            if (nw == null) {
              s_logger.warn("Unable to find tunnel network for GRE key:" + cmd.getKey());
                return new Answer(cmd, false, "No network found");
            }


            String bridge = nw.getBridge(conn);
            String result = callHostPlugin(conn, "ovstunnel", "destroy_tunnel", "bridge", bridge, "in_port", cmd.getInPortName());
            if (result.equalsIgnoreCase("SUCCESS")) {
                return new Answer(cmd, true, result);
            } else {
                return new Answer(cmd, false, result);

View Full Code Here


    private OvsCreateTunnelAnswer execute(OvsCreateTunnelCommand cmd) {
        Connection conn = getConnection();
        String bridge = "unknown";
        try {
          Network nw = findOrCreateTunnelNetwork(conn, cmd.getKey());
            if (nw == null) {
              s_logger.debug("Error during bridge setup");
                return new OvsCreateTunnelAnswer(cmd, false, "Cannot create network", bridge);
            }
          
            configureTunnelNetwork(conn, cmd.getNetworkId(), cmd.getFrom(), cmd.getKey());            
            bridge = nw.getBridge(conn);
            String result = callHostPlugin(conn, "ovstunnel", "create_tunnel", "bridge", bridge, "remote_ip", cmd.getRemoteIp(), 
                                       "key", cmd.getKey().toString(), "from", cmd.getFrom().toString(), "to", cmd.getTo().toString());
            String[] res = result.split(":");
            if (res.length == 2 && res[0].equalsIgnoreCase("SUCCESS")) {
                return new OvsCreateTunnelAnswer(cmd, true, result, res[1], bridge);

View Full Code Here

    private Answer execute(OvsDeleteFlowCommand cmd) {
        _isOvs = true;


        Connection conn = getConnection();
        try {
            Network nw = setupvSwitchNetwork(conn);
            String bridge = nw.getBridge(conn);
            String result = callHostPlugin(conn, "ovsgre", "ovs_delete_flow", "bridge", bridge,
                    "vmName", cmd.getVmName());


            if (result.equalsIgnoreCase("SUCCESS")) {
                return new Answer(cmd, true, "success to delete flows for " + cmd.getVmName());

View Full Code Here

    private OvsSetTagAndFlowAnswer execute(OvsSetTagAndFlowCommand cmd) {
        _isOvs = true;


        Connection conn = getConnection();
        try {
            Network nw = setupvSwitchNetwork(conn);
            String bridge = nw.getBridge(conn);


            /*If VM is domainRouter, this will try to set flow and tag on its
             * none guest network nic. don't worry, it will fail silently at host
             * plugin side
             */

View Full Code Here

        _isOvs = true;


        Connection conn = getConnection();
        String bridge = "unkonwn";
        try {
            Network nw = setupvSwitchNetwork(conn);
            bridge = nw.getBridge(conn);


            String result = callHostPlugin(conn, "ovsgre", "ovs_create_gre", "bridge", bridge,
                    "remoteIP", cmd.getRemoteIp(), "greKey", cmd.getKey(), "from",
                    Long.toString(cmd.getFrom()), "to", Long.toString(cmd.getTo()));
            String[] res = result.split(":");

View Full Code Here

            NicTO nic = cmd.getNic();
            String mac = nic.getMac();
            VIF vif = getVifByMac(conn, vm, mac);
            if ( vif != null ) {
                vif.unplug(conn);
                Network network = vif.getNetwork(conn);
                vif.destroy(conn);
                try {
                    if (network.getNameLabel(conn).startsWith("VLAN")) {
                        disableVlanNetwork(conn, network);
                    }
                }  catch (Exception e) {
                }
            }

View Full Code Here

    }


    private synchronized Network setupvSwitchNetwork(Connection conn) {
        try {
            if (_host.vswitchNetwork == null) {
                Network vswitchNw = null;
                Network.Record rec = new Network.Record();
                String nwName = Networks.BroadcastScheme.VSwitch.toString();
                Set<Network> networks = Network.getByNameLabel(conn, nwName);


                if (networks.size() == 0) {

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    /**
     * This method just creates a XenServer network following the tunnel network naming convention
     */
    private synchronized Network findOrCreateTunnelNetwork(Connection conn, String nwName) {
        try {
            Network nw = null;
            Network.Record rec = new Network.Record();
            Set<Network> networks = Network.getByNameLabel(conn, nwName);


            if (networks.size() == 0) {
                rec.nameDescription = "tunnel network id# " + nwName;

View Full Code Here

    /**
     * This method creates a XenServer network and configures it for being used as a L2-in-L3 tunneled network
     */
    private synchronized Network configureTunnelNetwork(Connection conn, Long networkId, long hostId, String bridgeName) {
        try {
            Network nw = findOrCreateTunnelNetwork(conn, bridgeName);
            String nwName = bridgeName;
            //Invoke plugin to setup the bridge which will be used by this network
            String bridge = nw.getBridge(conn);
            Map<String, String> nwOtherConfig = nw.getOtherConfig(conn);
            String configuredHosts = nwOtherConfig.get("ovs-host-setup");
            boolean configured = false;
            if (configuredHosts != null) {
                String hostIdsStr[] = configuredHosts.split(",");
                for (String hostIdStr : hostIdsStr) {
                    if (hostIdStr.equals(((Long)hostId).toString())) {
                        configured = true;
                        break;
                    }
                }
            }


            if (!configured) {
                String result;
                if (bridgeName.startsWith("OVS-DR-VPC-Bridge")) {
                    result = callHostPlugin(conn, "ovstunnel", "setup_ovs_bridge_for_distributed_routing", "bridge", bridge,
                            "key", bridgeName,
                            "xs_nw_uuid", nw.getUuid(conn),
                            "cs_host_id", ((Long)hostId).toString());
                } else {
                    result = callHostPlugin(conn, "ovstunnel", "setup_ovs_bridge", "bridge", bridge,
                            "key", bridgeName,
                            "xs_nw_uuid", nw.getUuid(conn),
                            "cs_host_id", ((Long)hostId).toString());
                }


                //Note down the fact that the ovs bridge has been setup
                String[] res = result.split(":");

View Full Code Here

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