Examples with NetworkType com.cloud.dc.DataCenter.NetworkType used on opensource projects

Example 1 with NetworkType

use of com.cloud.dc.DataCenter.NetworkType in project cloudstack by apache.

the class OvsGuestNetworkGuru method implement.

@Override
public Network implement(Network network, NetworkOffering offering, DeployDestination dest, ReservationContext context) throws InsufficientVirtualNetworkCapacityException {
    assert (network.getState() == State.Implementing) : "Why are we implementing " + network;
    long dcId = dest.getDataCenter().getId();
    NetworkType nwType = dest.getDataCenter().getNetworkType();
    // get physical network id
    Long physicalNetworkId = network.getPhysicalNetworkId();
    // locate the physical network
    if (physicalNetworkId == null) {
        physicalNetworkId = _networkModel.findPhysicalNetworkId(dcId, offering.getTags(), offering.getTrafficType());
    }
    PhysicalNetworkVO physnet = _physicalNetworkDao.findById(physicalNetworkId);
    if (!canHandle(offering, nwType, physnet)) {
        s_logger.debug("Refusing to design this network");
        return null;
    }
    NetworkVO implemented = (NetworkVO) super.implement(network, offering, dest, context);
    if (network.getGateway() != null) {
        implemented.setGateway(network.getGateway());
    }
    if (network.getCidr() != null) {
        implemented.setCidr(network.getCidr());
    }
    implemented.setBroadcastDomainType(BroadcastDomainType.Vswitch);
    // for the networks that are part of VPC enabled for distributed routing use scheme vs://vpcid.GRE key for network
    if (network.getVpcId() != null && isVpcEnabledForDistributedRouter(network.getVpcId())) {
        String keyStr = BroadcastDomainType.getValue(implemented.getBroadcastUri());
        Long vpcid = network.getVpcId();
        implemented.setBroadcastUri(BroadcastDomainType.Vswitch.toUri(vpcid.toString() + "." + keyStr));
    }
    return implemented;
}

Example 2 with NetworkType

use of com.cloud.dc.DataCenter.NetworkType in project cloudstack by apache.

the class NetworkServiceImpl method createPhysicalNetwork.

@Override
@DB
@ActionEvent(eventType = EventTypes.EVENT_PHYSICAL_NETWORK_CREATE, eventDescription = "Creating Physical Network", create = true)
public PhysicalNetwork createPhysicalNetwork(final Long zoneId, final String vnetRange, final String networkSpeed, final List<String> isolationMethods, String broadcastDomainRangeStr, final Long domainId, final List<String> tags, final String name) {
    // Check if zone exists
    if (zoneId == null) {
        throw new InvalidParameterValueException("Please specify a valid zone.");
    }
    DataCenterVO zone = _dcDao.findById(zoneId);
    if (zone == null) {
        throw new InvalidParameterValueException("Please specify a valid zone.");
    }
    if (Grouping.AllocationState.Enabled == zone.getAllocationState()) {
        // TBD: Send uuid instead of zoneId; may have to hardcode tablename in call to addProxyObject().
        throw new PermissionDeniedException("Cannot create PhysicalNetwork since the Zone is currently enabled, zone Id: " + zoneId);
    }
    NetworkType zoneType = zone.getNetworkType();
    if (zoneType == NetworkType.Basic) {
        if (!_physicalNetworkDao.listByZone(zoneId).isEmpty()) {
            // TBD: Send uuid instead of zoneId; may have to hardcode tablename in call to addProxyObject().
            throw new CloudRuntimeException("Cannot add the physical network to basic zone id: " + zoneId + ", there is a physical network already existing in this basic Zone");
        }
    }
    if (tags != null && tags.size() > 1) {
        throw new InvalidParameterException("Only one tag can be specified for a physical network at this time");
    }
    if (isolationMethods != null && isolationMethods.size() > 1) {
        throw new InvalidParameterException("Only one isolationMethod can be specified for a physical network at this time");
    }
    if (vnetRange != null) {
        // Verify zone type
        if (zoneType == NetworkType.Basic || (zoneType == NetworkType.Advanced && zone.isSecurityGroupEnabled())) {
            throw new InvalidParameterValueException("Can't add vnet range to the physical network in the zone that supports " + zoneType + " network, Security Group enabled: " + zone.isSecurityGroupEnabled());
        }
    }
    BroadcastDomainRange broadcastDomainRange = null;
    if (broadcastDomainRangeStr != null && !broadcastDomainRangeStr.isEmpty()) {
        try {
            broadcastDomainRange = PhysicalNetwork.BroadcastDomainRange.valueOf(broadcastDomainRangeStr.toUpperCase());
        } catch (IllegalArgumentException ex) {
            throw new InvalidParameterValueException("Unable to resolve broadcastDomainRange '" + broadcastDomainRangeStr + "' to a supported value {Pod or Zone}");
        }
        // in Acton release you can specify only Zone broadcastdomain type in Advance zone, and Pod in Basic
        if (zoneType == NetworkType.Basic && broadcastDomainRange != null && broadcastDomainRange != BroadcastDomainRange.POD) {
            throw new InvalidParameterValueException("Basic zone can have broadcast domain type of value " + BroadcastDomainRange.POD + " only");
        } else if (zoneType == NetworkType.Advanced && broadcastDomainRange != null && broadcastDomainRange != BroadcastDomainRange.ZONE) {
            throw new InvalidParameterValueException("Advance zone can have broadcast domain type of value " + BroadcastDomainRange.ZONE + " only");
        }
    }
    if (broadcastDomainRange == null) {
        if (zoneType == NetworkType.Basic) {
            broadcastDomainRange = PhysicalNetwork.BroadcastDomainRange.POD;
        } else {
            broadcastDomainRange = PhysicalNetwork.BroadcastDomainRange.ZONE;
        }
    }
    try {
        final BroadcastDomainRange broadcastDomainRangeFinal = broadcastDomainRange;
        return Transaction.execute(new TransactionCallback<PhysicalNetworkVO>() {

            @Override
            public PhysicalNetworkVO doInTransaction(TransactionStatus status) {
                // Create the new physical network in the database
                long id = _physicalNetworkDao.getNextInSequence(Long.class, "id");
                PhysicalNetworkVO pNetwork = new PhysicalNetworkVO(id, zoneId, vnetRange, networkSpeed, domainId, broadcastDomainRangeFinal, name);
                pNetwork.setTags(tags);
                pNetwork.setIsolationMethods(isolationMethods);
                pNetwork = _physicalNetworkDao.persist(pNetwork);
                // Add vnet entries for the new zone if zone type is Advanced
                if (vnetRange != null) {
                    addOrRemoveVnets(vnetRange.split(","), pNetwork);
                }
                // add VirtualRouter as the default network service provider
                addDefaultVirtualRouterToPhysicalNetwork(pNetwork.getId());
                if (pNetwork.getIsolationMethods().contains("GRE"))
                    addDefaultOvsToPhysicalNetwork(pNetwork.getId());
                // add security group provider to the physical network
                addDefaultSecurityGroupProviderToPhysicalNetwork(pNetwork.getId());
                // add VPCVirtualRouter as the defualt network service provider
                addDefaultVpcVirtualRouterToPhysicalNetwork(pNetwork.getId());
                // add baremetal as the defualt network service provider
                addDefaultBaremetalProvidersToPhysicalNetwork(pNetwork.getId());
                //Add Internal Load Balancer element as a default network service provider
                addDefaultInternalLbProviderToPhysicalNetwork(pNetwork.getId());
                return pNetwork;
            }
        });
    } catch (Exception ex) {
        s_logger.warn("Exception: ", ex);
        throw new CloudRuntimeException("Fail to create a physical network");
    }
}

Example 3 with NetworkType

use of com.cloud.dc.DataCenter.NetworkType in project cloudstack by apache.

the class ConfigurationManagerImpl method createZone.

@Override
@ActionEvent(eventType = EventTypes.EVENT_ZONE_CREATE, eventDescription = "creating zone", async = false)
public DataCenter createZone(final CreateZoneCmd cmd) {
    // grab parameters from the command
    final Long userId = CallContext.current().getCallingUserId();
    final String zoneName = cmd.getZoneName();
    final String dns1 = cmd.getDns1();
    final String dns2 = cmd.getDns2();
    final String ip6Dns1 = cmd.getIp6Dns1();
    final String ip6Dns2 = cmd.getIp6Dns2();
    final String internalDns1 = cmd.getInternalDns1();
    final String internalDns2 = cmd.getInternalDns2();
    final String guestCidr = cmd.getGuestCidrAddress();
    final Long domainId = cmd.getDomainId();
    final String type = cmd.getNetworkType();
    Boolean isBasic = false;
    String allocationState = cmd.getAllocationState();
    final String networkDomain = cmd.getDomain();
    boolean isSecurityGroupEnabled = cmd.getSecuritygroupenabled();
    final boolean isLocalStorageEnabled = cmd.getLocalStorageEnabled();
    if (allocationState == null) {
        allocationState = Grouping.AllocationState.Disabled.toString();
    }
    if (!type.equalsIgnoreCase(NetworkType.Basic.toString()) && !type.equalsIgnoreCase(NetworkType.Advanced.toString())) {
        throw new InvalidParameterValueException("Invalid zone type; only Advanced and Basic values are supported");
    } else if (type.equalsIgnoreCase(NetworkType.Basic.toString())) {
        isBasic = true;
    }
    final NetworkType zoneType = isBasic ? NetworkType.Basic : NetworkType.Advanced;
    // error out when the parameter specified for Basic zone
    if (zoneType == NetworkType.Basic && guestCidr != null) {
        throw new InvalidParameterValueException("guestCidrAddress parameter is not supported for Basic zone");
    }
    DomainVO domainVO = null;
    if (domainId != null) {
        domainVO = _domainDao.findById(domainId);
    }
    if (zoneType == NetworkType.Basic) {
        isSecurityGroupEnabled = true;
    }
    return createZone(userId, zoneName, dns1, dns2, internalDns1, internalDns2, guestCidr, domainVO != null ? domainVO.getName() : null, domainId, zoneType, allocationState, networkDomain, isSecurityGroupEnabled, isLocalStorageEnabled, ip6Dns1, ip6Dns2);
}

Example 4 with NetworkType

use of com.cloud.dc.DataCenter.NetworkType in project cloudstack by apache.

the class VmwareServerDiscoverer method find.

@Override
public Map<? extends ServerResource, Map<String, String>> find(long dcId, Long podId, Long clusterId, URI url, String username, String password, List<String> hostTags) throws DiscoveryException {
    if (s_logger.isInfoEnabled())
        s_logger.info("Discover host. dc: " + dcId + ", pod: " + podId + ", cluster: " + clusterId + ", uri host: " + url.getHost());
    if (podId == null) {
        if (s_logger.isInfoEnabled())
            s_logger.info("No pod is assigned, assuming that it is not for vmware and skip it to next discoverer");
        return null;
    }
    boolean failureInClusterDiscovery = true;
    String vsmIp = "";
    ClusterVO cluster = _clusterDao.findById(clusterId);
    if (cluster == null || cluster.getHypervisorType() != HypervisorType.VMware) {
        if (s_logger.isInfoEnabled())
            s_logger.info("invalid cluster id or cluster is not for VMware hypervisors");
        return null;
    }
    Map<String, String> clusterDetails = _clusterDetailsDao.findDetails(clusterId);
    boolean legacyZone = _vmwareMgr.isLegacyZone(dcId);
    boolean usernameNotProvided = (username == null || username.isEmpty());
    boolean passwordNotProvided = (password == null || password.isEmpty());
    //Check if NOT a legacy zone.
    if (!legacyZone) {
        // Retrieve VMware DC associated with specified zone
        VmwareDatacenterVO vmwareDc = fetchVmwareDatacenterByZone(dcId);
        // If either or both not provided, try to retrieve & use the credentials from database, which are provided earlier while adding VMware DC to zone.
        if (usernameNotProvided || passwordNotProvided) {
            // Retrieve credentials associated with VMware DC
            s_logger.info("Username and/or Password not provided while adding cluster to cloudstack zone. " + "Hence using both username & password provided while adding VMware DC to CloudStack zone.");
            username = vmwareDc.getUser();
            password = vmwareDc.getPassword();
            clusterDetails.put("username", username);
            clusterDetails.put("password", password);
            _clusterDetailsDao.persist(clusterId, clusterDetails);
        }
        String updatedInventoryPath = validateCluster(url, vmwareDc);
        try {
            if (!URLDecoder.decode(url.getPath(), "UTF-8").equals(updatedInventoryPath)) {
                // If url from API doesn't specify DC then update url in database with DC associated with this zone.
                clusterDetails.put("url", url.getScheme() + "://" + url.getHost() + updatedInventoryPath);
                _clusterDetailsDao.persist(clusterId, clusterDetails);
            }
        } catch (UnsupportedEncodingException e) {
            throw new DiscoveredWithErrorException("Unable to decode URL path, URL path : " + url.getPath(), e);
        }
    } else {
        // For legacy zones insist on the old model of asking for credentials for each cluster being added.
        if (usernameNotProvided) {
            if (passwordNotProvided) {
                throw new InvalidParameterValueException("Please provide username & password to add this cluster to zone");
            } else {
                throw new InvalidParameterValueException("Please provide username to add this cluster to zone");
            }
        } else if (passwordNotProvided) {
            throw new InvalidParameterValueException("Please provide password to add this cluster to zone");
        }
    }
    List<HostVO> hosts = _resourceMgr.listAllHostsInCluster(clusterId);
    if (hosts != null && hosts.size() > 0) {
        int maxHostsPerCluster = _hvCapabilitiesDao.getMaxHostsPerCluster(hosts.get(0).getHypervisorType(), hosts.get(0).getHypervisorVersion());
        if (hosts.size() >= maxHostsPerCluster) {
            String msg = "VMware cluster " + cluster.getName() + " is too big to add new host, current size: " + hosts.size() + ", max. size: " + maxHostsPerCluster;
            s_logger.error(msg);
            throw new DiscoveredWithErrorException(msg);
        }
    }
    String privateTrafficLabel = null;
    String publicTrafficLabel = null;
    String guestTrafficLabel = null;
    Map<String, String> vsmCredentials = null;
    VirtualSwitchType defaultVirtualSwitchType = VirtualSwitchType.StandardVirtualSwitch;
    String paramGuestVswitchType = null;
    String paramGuestVswitchName = null;
    String paramPublicVswitchType = null;
    String paramPublicVswitchName = null;
    VmwareTrafficLabel guestTrafficLabelObj = new VmwareTrafficLabel(TrafficType.Guest);
    VmwareTrafficLabel publicTrafficLabelObj = new VmwareTrafficLabel(TrafficType.Public);
    DataCenterVO zone = _dcDao.findById(dcId);
    NetworkType zoneType = zone.getNetworkType();
    _readGlobalConfigParameters();
    // Private traffic will be only on standard vSwitch for now.
    if (useDVS) {
        // Parse url parameters for type of vswitch and name of vswitch specified at cluster level
        paramGuestVswitchType = _urlParams.get(ApiConstants.VSWITCH_TYPE_GUEST_TRAFFIC);
        paramGuestVswitchName = _urlParams.get(ApiConstants.VSWITCH_NAME_GUEST_TRAFFIC);
        paramPublicVswitchType = _urlParams.get(ApiConstants.VSWITCH_TYPE_PUBLIC_TRAFFIC);
        paramPublicVswitchName = _urlParams.get(ApiConstants.VSWITCH_NAME_PUBLIC_TRAFFIC);
        defaultVirtualSwitchType = getDefaultVirtualSwitchType();
    }
    // Zone level vSwitch Type depends on zone level traffic labels
    //
    // User can override Zone wide vswitch type (for public and guest) by providing following optional parameters in addClusterCmd
    // param "guestvswitchtype" with valid values vmwaredvs, vmwaresvs, nexusdvs
    // param "publicvswitchtype" with valid values vmwaredvs, vmwaresvs, nexusdvs
    //
    // Format of label is <VSWITCH>,<VLANID>,<VSWITCHTYPE>
    // If a field <VLANID> OR <VSWITCHTYPE> is not present leave it empty.
    // Ex: 1) vswitch0
    // 2) dvswitch0,200,vmwaredvs
    // 3) nexusepp0,300,nexusdvs
    // 4) vswitch1,400,vmwaresvs
    // 5) vswitch0
    // default vswitchtype is 'vmwaresvs'.
    // <VSWITCHTYPE> 'vmwaresvs' is for vmware standard vswitch
    // <VSWITCHTYPE> 'vmwaredvs' is for vmware distributed virtual switch
    // <VSWITCHTYPE> 'nexusdvs' is for cisco nexus distributed virtual switch
    // Get zone wide traffic labels for Guest traffic and Public traffic
    guestTrafficLabel = _netmgr.getDefaultGuestTrafficLabel(dcId, HypervisorType.VMware);
    // Process traffic label information provided at zone level and cluster level
    guestTrafficLabelObj = getTrafficInfo(TrafficType.Guest, guestTrafficLabel, defaultVirtualSwitchType, paramGuestVswitchType, paramGuestVswitchName, clusterId);
    if (zoneType == NetworkType.Advanced) {
        // Get zone wide traffic label for Public traffic
        publicTrafficLabel = _netmgr.getDefaultPublicTrafficLabel(dcId, HypervisorType.VMware);
        // Process traffic label information provided at zone level and cluster level
        publicTrafficLabelObj = getTrafficInfo(TrafficType.Public, publicTrafficLabel, defaultVirtualSwitchType, paramPublicVswitchType, paramPublicVswitchName, clusterId);
        // Configuration Check: A physical network cannot be shared by different types of virtual switches.
        //
        // Check if different vswitch types are chosen for same physical network
        // 1. Get physical network for guest traffic - multiple networks
        // 2. Get physical network for public traffic - single network
        // See if 2 is in 1
        //  if no - pass
        //  if yes - compare publicTrafficLabelObj.getVirtualSwitchType() == guestTrafficLabelObj.getVirtualSwitchType()
        //      true  - pass
        //      false - throw exception - fail cluster add operation
        List<? extends PhysicalNetwork> pNetworkListGuestTraffic = _netmgr.getPhysicalNtwksSupportingTrafficType(dcId, TrafficType.Guest);
        List<? extends PhysicalNetwork> pNetworkListPublicTraffic = _netmgr.getPhysicalNtwksSupportingTrafficType(dcId, TrafficType.Public);
        // Public network would be on single physical network hence getting first object of the list would suffice.
        PhysicalNetwork pNetworkPublic = pNetworkListPublicTraffic.get(0);
        if (pNetworkListGuestTraffic.contains(pNetworkPublic)) {
            if (publicTrafficLabelObj.getVirtualSwitchType() != guestTrafficLabelObj.getVirtualSwitchType()) {
                String msg = "Both public traffic and guest traffic is over same physical network " + pNetworkPublic + ". And virtual switch type chosen for each traffic is different" + ". A physical network cannot be shared by different types of virtual switches.";
                s_logger.error(msg);
                throw new InvalidParameterValueException(msg);
            }
        }
    }
    privateTrafficLabel = _netmgr.getDefaultManagementTrafficLabel(dcId, HypervisorType.VMware);
    if (privateTrafficLabel != null) {
        s_logger.info("Detected private network label : " + privateTrafficLabel);
    }
    Pair<Boolean, Long> vsmInfo = new Pair<Boolean, Long>(false, 0L);
    if (nexusDVS && (guestTrafficLabelObj.getVirtualSwitchType() == VirtualSwitchType.NexusDistributedVirtualSwitch) || ((zoneType == NetworkType.Advanced) && (publicTrafficLabelObj.getVirtualSwitchType() == VirtualSwitchType.NexusDistributedVirtualSwitch))) {
        // 2) Atleast 1 traffic type uses Nexus distributed virtual switch as backend.
        if (zoneType != NetworkType.Basic) {
            publicTrafficLabel = _netmgr.getDefaultPublicTrafficLabel(dcId, HypervisorType.VMware);
            if (publicTrafficLabel != null) {
                s_logger.info("Detected public network label : " + publicTrafficLabel);
            }
        }
        // Get physical network label
        guestTrafficLabel = _netmgr.getDefaultGuestTrafficLabel(dcId, HypervisorType.VMware);
        if (guestTrafficLabel != null) {
            s_logger.info("Detected guest network label : " + guestTrafficLabel);
        }
        // Before proceeding with validation of Nexus 1000v VSM check if an instance of Nexus 1000v VSM is already associated with this cluster.
        boolean clusterHasVsm = _vmwareMgr.hasNexusVSM(clusterId);
        if (!clusterHasVsm) {
            vsmIp = _urlParams.get("vsmipaddress");
            String vsmUser = _urlParams.get("vsmusername");
            String vsmPassword = _urlParams.get("vsmpassword");
            String clusterName = cluster.getName();
            try {
                vsmInfo = _nexusElement.validateAndAddVsm(vsmIp, vsmUser, vsmPassword, clusterId, clusterName);
            } catch (ResourceInUseException ex) {
                DiscoveryException discEx = new DiscoveryException(ex.getLocalizedMessage() + ". The resource is " + ex.getResourceName());
                throw discEx;
            }
        }
        vsmCredentials = _vmwareMgr.getNexusVSMCredentialsByClusterId(clusterId);
    }
    VmwareContext context = null;
    try {
        context = VmwareContextFactory.create(url.getHost(), username, password);
        if (privateTrafficLabel != null)
            context.registerStockObject("privateTrafficLabel", privateTrafficLabel);
        if (nexusDVS) {
            if (vsmCredentials != null) {
                s_logger.info("Stocking credentials of Nexus VSM");
                context.registerStockObject("vsmcredentials", vsmCredentials);
            }
        }
        List<ManagedObjectReference> morHosts = _vmwareMgr.addHostToPodCluster(context, dcId, podId, clusterId, URLDecoder.decode(url.getPath(), "UTF-8"));
        if (morHosts == null)
            s_logger.info("Found 0 hosts.");
        if (privateTrafficLabel != null)
            context.uregisterStockObject("privateTrafficLabel");
        if (morHosts == null) {
            s_logger.error("Unable to find host or cluster based on url: " + URLDecoder.decode(url.getPath(), "UTF-8"));
            return null;
        }
        ManagedObjectReference morCluster = null;
        clusterDetails = _clusterDetailsDao.findDetails(clusterId);
        if (clusterDetails.get("url") != null) {
            URI uriFromCluster = new URI(UriUtils.encodeURIComponent(clusterDetails.get("url")));
            morCluster = context.getHostMorByPath(URLDecoder.decode(uriFromCluster.getPath(), "UTF-8"));
            if (morCluster == null || !morCluster.getType().equalsIgnoreCase("ClusterComputeResource")) {
                s_logger.warn("Cluster url does not point to a valid vSphere cluster, url: " + clusterDetails.get("url"));
                return null;
            } else {
                ClusterMO clusterMo = new ClusterMO(context, morCluster);
                if (clusterMo.isHAEnabled()) {
                    clusterDetails.put("NativeHA", "true");
                    _clusterDetailsDao.persist(clusterId, clusterDetails);
                }
            }
        }
        if (!validateDiscoveredHosts(context, morCluster, morHosts)) {
            if (morCluster == null)
                s_logger.warn("The discovered host is not standalone host, can not be added to a standalone cluster");
            else
                s_logger.warn("The discovered host does not belong to the cluster");
            return null;
        }
        Map<VmwareResource, Map<String, String>> resources = new HashMap<VmwareResource, Map<String, String>>();
        for (ManagedObjectReference morHost : morHosts) {
            Map<String, String> details = new HashMap<String, String>();
            Map<String, Object> params = new HashMap<String, Object>();
            HostMO hostMo = new HostMO(context, morHost);
            details.put("url", hostMo.getHostName());
            details.put("username", username);
            details.put("password", password);
            String guid = morHost.getType() + ":" + morHost.getValue() + "@" + url.getHost();
            details.put("guid", guid);
            params.put("url", hostMo.getHostName());
            params.put("username", username);
            params.put("password", password);
            params.put("zone", Long.toString(dcId));
            params.put("pod", Long.toString(podId));
            params.put("cluster", Long.toString(clusterId));
            params.put("guid", guid);
            if (privateTrafficLabel != null) {
                params.put("private.network.vswitch.name", privateTrafficLabel);
            }
            params.put("guestTrafficInfo", guestTrafficLabelObj);
            params.put("publicTrafficInfo", publicTrafficLabelObj);
            params.put("router.aggregation.command.each.timeout", _configDao.getValue(Config.RouterAggregationCommandEachTimeout.toString()));
            VmwareResource resource = new VmwareResource();
            try {
                resource.configure("VMware", params);
            } catch (ConfigurationException e) {
                _alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, dcId, podId, "Unable to add " + url.getHost(), "Error is " + e.getMessage());
                s_logger.warn("Unable to instantiate " + url.getHost(), e);
            }
            resource.start();
            resources.put(resource, details);
        }
        // place a place holder guid derived from cluster ID
        try {
            cluster.setGuid(UUID.nameUUIDFromBytes(String.valueOf(clusterId).getBytes("UTF-8")).toString());
        } catch (UnsupportedEncodingException e) {
            throw new DiscoveredWithErrorException("Unable to create UUID based on string " + String.valueOf(clusterId) + ". Bad clusterId or UTF-8 encoding error.");
        }
        _clusterDao.update(clusterId, cluster);
        // Flag cluster discovery success
        failureInClusterDiscovery = false;
        return resources;
    } catch (DiscoveredWithErrorException e) {
        throw e;
    } catch (Exception e) {
        s_logger.warn("Unable to connect to Vmware vSphere server. service address: " + url.getHost() + ". " + e);
        return null;
    } finally {
        if (context != null)
            context.close();
        if (failureInClusterDiscovery && vsmInfo.first()) {
            try {
                s_logger.debug("Deleting Nexus 1000v VSM " + vsmIp + " because cluster discovery and addition to zone has failed.");
                _nexusElement.deleteCiscoNexusVSM(vsmInfo.second().longValue());
            } catch (Exception e) {
                s_logger.warn("Deleting Nexus 1000v VSM " + vsmIp + " failed.");
            }
        }
    }
}