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// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package com.cloud.network.element;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.ejb.Local;
import javax.inject.Inject;
import org.apache.log4j.Logger;
import com.cloud.api.commands.DeleteCiscoNexusVSMCmd;
import com.cloud.api.commands.DisableCiscoNexusVSMCmd;
import com.cloud.api.commands.EnableCiscoNexusVSMCmd;
import com.cloud.api.commands.ListCiscoNexusVSMsCmd;
import com.cloud.api.response.CiscoNexusVSMResponse;
import com.cloud.configuration.Config;
import com.cloud.dc.ClusterVO;
import com.cloud.dc.ClusterVSMMapVO;
import com.cloud.dc.dao.ClusterDao;
import com.cloud.dc.dao.ClusterVSMMapDao;
import com.cloud.deploy.DeployDestination;
import com.cloud.event.ActionEvent;
import com.cloud.event.EventTypes;
import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.InsufficientCapacityException;
import com.cloud.exception.ResourceInUseException;
import com.cloud.exception.ResourceUnavailableException;
import com.cloud.network.CiscoNexusVSMDevice;
import com.cloud.network.CiscoNexusVSMDeviceManagerImpl;
import com.cloud.network.CiscoNexusVSMDeviceVO;
import com.cloud.network.Network;
import com.cloud.network.Network.Capability;
import com.cloud.network.Network.Provider;
import com.cloud.network.Network.Service;
import com.cloud.network.PhysicalNetworkServiceProvider;
import com.cloud.network.dao.CiscoNexusVSMDeviceDao;
import com.cloud.offering.NetworkOffering;
import com.cloud.org.Cluster;
import com.cloud.server.ManagementService;
import com.cloud.utils.Pair;
import com.cloud.utils.cisco.n1kv.vsm.NetconfHelper;
import com.cloud.utils.component.Manager;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.db.TransactionCallback;
import com.cloud.utils.db.TransactionStatus;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.vm.NicProfile;
import com.cloud.vm.ReservationContext;
import com.cloud.vm.VirtualMachineProfile;
@Local(value = NetworkElement.class)
public class CiscoNexusVSMElement extends CiscoNexusVSMDeviceManagerImpl implements CiscoNexusVSMElementService, NetworkElement, Manager {
private static final Logger s_logger = Logger.getLogger(CiscoNexusVSMElement.class);
@Inject
CiscoNexusVSMDeviceDao _vsmDao;
@Inject
ClusterDao _clusterDao;
@Inject
ClusterVSMMapDao _clusterVSMDao;
@Inject
ManagementService _mgr;
@Override
public Map<Service, Map<Capability, String>> getCapabilities() {
return null;
}
@Override
public Provider getProvider() {
return null;
}
@Override
public boolean implement(Network network, NetworkOffering offering, DeployDestination dest, ReservationContext context) throws ConcurrentOperationException,
ResourceUnavailableException, InsufficientCapacityException {
return true;
}
@Override
public boolean prepare(Network network, NicProfile nic, VirtualMachineProfile vm, DeployDestination dest, ReservationContext context)
throws ConcurrentOperationException, ResourceUnavailableException, InsufficientCapacityException {
return true;
}
@Override
public boolean release(Network network, NicProfile nic, VirtualMachineProfile vm, ReservationContext context) throws ConcurrentOperationException,
ResourceUnavailableException {
return true;
}
@Override
public boolean shutdown(Network network, ReservationContext context, boolean cleanup) throws ConcurrentOperationException, ResourceUnavailableException {
return true;
}
@Override
public boolean destroy(Network network, ReservationContext context) throws ConcurrentOperationException, ResourceUnavailableException {
return true;
}
@Override
public boolean isReady(PhysicalNetworkServiceProvider provider) {
return true;
}
@Override
public boolean shutdownProviderInstances(PhysicalNetworkServiceProvider provider, ReservationContext context) throws ConcurrentOperationException,
ResourceUnavailableException {
return true;
}
@Override
public boolean canEnableIndividualServices() {
return true;
}
@Override
public boolean verifyServicesCombination(Set<Service> services) {
return true;
}
@Override
@ActionEvent(eventType = EventTypes.EVENT_EXTERNAL_SWITCH_MGMT_DEVICE_DELETE, eventDescription = "deleting VSM", async = true)
public boolean deleteCiscoNexusVSM(DeleteCiscoNexusVSMCmd cmd) {
boolean result;
try {
result = deleteCiscoNexusVSM(cmd.getCiscoNexusVSMDeviceId());
} catch (ResourceInUseException e) {
s_logger.info("VSM could not be deleted");
// TODO: Throw a better exception here.
throw new CloudRuntimeException("Failed to delete specified VSM");
}
return result;
}
@Override
@ActionEvent(eventType = EventTypes.EVENT_EXTERNAL_SWITCH_MGMT_DEVICE_ENABLE, eventDescription = "deleting VSM", async = true)
public CiscoNexusVSMDeviceVO enableCiscoNexusVSM(EnableCiscoNexusVSMCmd cmd) {
CiscoNexusVSMDeviceVO result;
result = enableCiscoNexusVSM(cmd.getCiscoNexusVSMDeviceId());
return result;
}
@Override
@ActionEvent(eventType = EventTypes.EVENT_EXTERNAL_SWITCH_MGMT_DEVICE_DISABLE, eventDescription = "deleting VSM", async = true)
public CiscoNexusVSMDeviceVO disableCiscoNexusVSM(DisableCiscoNexusVSMCmd cmd) {
CiscoNexusVSMDeviceVO result;
result = disableCiscoNexusVSM(cmd.getCiscoNexusVSMDeviceId());
return result;
}
@Override
public List<CiscoNexusVSMDeviceVO> getCiscoNexusVSMs(ListCiscoNexusVSMsCmd cmd) {
// If clusterId is defined, then it takes precedence, and we will return
// the VSM associated with this cluster.
Long clusterId = cmd.getClusterId();
Long zoneId = cmd.getZoneId();
List<CiscoNexusVSMDeviceVO> result = new ArrayList<CiscoNexusVSMDeviceVO>();
if (clusterId != null && clusterId.longValue() != 0) {
// Find the VSM associated with this clusterId and return a list.
CiscoNexusVSMDeviceVO vsm = getCiscoVSMbyClusId(cmd.getClusterId());
if (vsm == null) {
throw new CloudRuntimeException("No Cisco VSM associated with specified Cluster Id");
}
// Else, add it to a list and return the list.
result.add(vsm);
return result;
}
// Else if there is only a zoneId defined, get a list of all vmware clusters
// in the zone, and then for each cluster, pull the VSM and prepare a list.
if (zoneId != null && zoneId.longValue() != 0) {
ManagementService ref = _mgr;
;
List<? extends Cluster> clusterList = ref.searchForClusters(zoneId, cmd.getStartIndex(), cmd.getPageSizeVal(), "VMware");
if (clusterList.size() == 0) {
throw new CloudRuntimeException("No VMWare clusters found in the specified zone!");
}
// Else, iterate through each vmware cluster, pull its VSM if it has one, and add to the list.
for (Cluster clus : clusterList) {
CiscoNexusVSMDeviceVO vsm = getCiscoVSMbyClusId(clus.getId());
if (vsm != null)
result.add(vsm);
}
return result;
}
// If neither is defined, we will simply return the entire list of VSMs
// configured in the management server.
// TODO: Is this a safe thing to do? Only ROOT admin can invoke this call.
result = _vsmDao.listAllVSMs();
return result;
}
@Override
public CiscoNexusVSMResponse createCiscoNexusVSMResponse(CiscoNexusVSMDevice vsmDeviceVO) {
CiscoNexusVSMResponse response = new CiscoNexusVSMResponse();
response.setId(vsmDeviceVO.getUuid());
response.setMgmtIpAddress(vsmDeviceVO.getipaddr());
return response;
}
@Override
public CiscoNexusVSMResponse createCiscoNexusVSMDetailedResponse(CiscoNexusVSMDevice vsmDeviceVO) {
CiscoNexusVSMResponse response = new CiscoNexusVSMResponse();
response.setId(vsmDeviceVO.getUuid());
response.setDeviceName(vsmDeviceVO.getvsmName());
response.setDeviceState(vsmDeviceVO.getvsmDeviceState().toString());
response.setMgmtIpAddress(vsmDeviceVO.getipaddr());
// The following values can be null, so check for that.
if (vsmDeviceVO.getvsmConfigMode() != null)
response.setVSMConfigMode(vsmDeviceVO.getvsmConfigMode().toString());
if (vsmDeviceVO.getvsmConfigState() != null)
response.setVSMConfigState(vsmDeviceVO.getvsmConfigState().toString());
if (vsmDeviceVO.getvsmDeviceState() != null)
response.setVSMDeviceState(vsmDeviceVO.getvsmDeviceState().toString());
response.setVSMCtrlVlanId(vsmDeviceVO.getManagementVlan());
response.setVSMPktVlanId(vsmDeviceVO.getPacketVlan());
response.setVSMStorageVlanId(vsmDeviceVO.getStorageVlan());
return response;
}
@Override
public List<Class<?>> getCommands() {
List<Class<?>> cmdList = new ArrayList<Class<?>>();
cmdList.add(ListCiscoNexusVSMsCmd.class);
cmdList.add(EnableCiscoNexusVSMCmd.class);
cmdList.add(DisableCiscoNexusVSMCmd.class);
cmdList.add(DeleteCiscoNexusVSMCmd.class);
return cmdList;
}
@Override
@DB
public Pair<Boolean, Long> validateAndAddVsm(final String vsmIp, final String vsmUser, final String vsmPassword, final long clusterId, String clusterName)
throws ResourceInUseException {
CiscoNexusVSMDeviceVO vsm = null;
boolean vsmAdded = false;
Long vsmId = 0L;
if (vsmIp != null && vsmUser != null && vsmPassword != null) {
NetconfHelper netconfClient;
try {
netconfClient = new NetconfHelper(vsmIp, vsmUser, vsmPassword);
netconfClient.disconnect();
} catch (CloudRuntimeException e) {
String msg = "Invalid credentials supplied for user " + vsmUser + " for Cisco Nexus 1000v VSM at " + vsmIp;
s_logger.error(msg);
_clusterDao.remove(clusterId);
throw new CloudRuntimeException(msg);
}
// If VSM already exists and is mapped to a cluster, fail this operation.
vsm = _vsmDao.getVSMbyIpaddress(vsmIp);
if (vsm != null) {
List<ClusterVSMMapVO> clusterList = _clusterVSMDao.listByVSMId(vsm.getId());
if (clusterList != null && !clusterList.isEmpty()) {
s_logger.error("Failed to add cluster: specified Nexus VSM is already associated with another cluster");
ResourceInUseException ex =
new ResourceInUseException("Failed to add cluster: specified Nexus VSM is already associated with another cluster with specified Id");
// get clusterUuid to report error
ClusterVO cluster = _clusterDao.findById(clusterList.get(0).getClusterId());
ex.addProxyObject(cluster.getUuid());
_clusterDao.remove(clusterId);
throw ex;
}
}
// persist credentials to database if the VSM entry is not already in the db.
vsm = Transaction.execute(new TransactionCallback<CiscoNexusVSMDeviceVO>() {
@Override
public CiscoNexusVSMDeviceVO doInTransaction(TransactionStatus status) {
CiscoNexusVSMDeviceVO vsm = null;
if (_vsmDao.getVSMbyIpaddress(vsmIp) == null) {
vsm = new CiscoNexusVSMDeviceVO(vsmIp, vsmUser, vsmPassword);
vsm = _vsmDao.persist(vsm);
}
// Create a mapping between the cluster and the vsm.
vsm = _vsmDao.getVSMbyIpaddress(vsmIp);
if (vsm != null) {
ClusterVSMMapVO connectorObj = new ClusterVSMMapVO(clusterId, vsm.getId());
_clusterVSMDao.persist(connectorObj);
}
return vsm;
}
});
} else {
String msg;
msg = "The global parameter " + Config.VmwareUseNexusVSwitch.toString() + " is set to \"true\". Following mandatory parameters are not specified. ";
if (vsmIp == null) {
msg += "vsmipaddress: Management IP address of Cisco Nexus 1000v dvSwitch. ";
}
if (vsmUser == null) {
msg += "vsmusername: Name of a user account with admin privileges over Cisco Nexus 1000v dvSwitch. ";
}
if (vsmPassword == null) {
if (vsmUser != null) {
msg += "vsmpassword: Password of user account " + vsmUser + ". ";
} else {
msg += "vsmpassword: Password of user account with admin privileges over Cisco Nexus 1000v dvSwitch. ";
}
}
s_logger.error(msg);
// Cleaning up the cluster record as addCluster operation failed because of invalid credentials of Nexus dvSwitch.
_clusterDao.remove(clusterId);
throw new CloudRuntimeException(msg);
}
if (vsm != null) {
vsmAdded = true;
vsmId = vsm.getId();
}
return new Pair<Boolean, Long>(vsmAdded, vsmId);
}
}