// // Licensed to the Apache Software Foundation (ASF) under one // or more contributor license agreements. See the NOTICE file // 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.resource.wrapper; import static com.cloud.network.resource.NiciraNvpResource.NAME_MAX_LEN; import static com.cloud.network.resource.NiciraNvpResource.NUM_RETRIES; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import com.cloud.agent.api.Answer; import com.cloud.agent.api.ConfigureSharedNetworkVlanIdAnswer; import com.cloud.agent.api.ConfigureSharedNetworkVlanIdCommand; import com.cloud.network.nicira.L2GatewayAttachment; import com.cloud.network.nicira.LogicalSwitchPort; import com.cloud.network.nicira.NiciraNvpApi; import com.cloud.network.nicira.NiciraNvpApiException; import com.cloud.network.nicira.NiciraNvpTag; import com.cloud.network.resource.NiciraNvpResource; import com.cloud.network.utils.CommandRetryUtility; import com.cloud.resource.CommandWrapper; import com.cloud.resource.ResourceWrapper; import com.cloud.utils.rest.HttpStatusCodeHelper; @ResourceWrapper(handles = ConfigureSharedNetworkVlanIdCommand.class) public class NiciraNvpConfigureSharedNetworkVlanIdCommandWrapper extends CommandWrapper<ConfigureSharedNetworkVlanIdCommand, Answer, NiciraNvpResource>{ private static final Logger s_logger = Logger.getLogger(NiciraNvpConfigureSharedNetworkVlanIdCommandWrapper.class); @Override public Answer execute(ConfigureSharedNetworkVlanIdCommand command, NiciraNvpResource niciraNvpResource) { final String logicalSwitchUuid = command.getLogicalSwitchUuid(); final String l2GatewayServiceUuid = command.getL2GatewayServiceUuid(); long vlanId = command.getVlanId(); final List<NiciraNvpTag> tags = new ArrayList<NiciraNvpTag>(); tags.add(new NiciraNvpTag("cs_account", command.getOwnerName())); final long networkId = command.getNetworkId(); s_logger.debug("Connecting Logical Switch " + logicalSwitchUuid + " to L2 Gateway Service " + l2GatewayServiceUuid + ", vlan id " + vlanId + " network " + networkId); final NiciraNvpApi niciraNvpApi = niciraNvpResource.getNiciraNvpApi(); s_logger.debug("Creating Logical Switch Port in Logical Switch " + logicalSwitchUuid); LogicalSwitchPort lSwitchPort = null; try { lSwitchPort = new LogicalSwitchPort(); lSwitchPort.setAdminStatusEnabled(true); lSwitchPort.setDisplayName(niciraNvpResource.truncate(networkId + "-l2Gateway-port", NAME_MAX_LEN)); lSwitchPort.setTags(tags); lSwitchPort = niciraNvpApi.createLogicalSwitchPort(logicalSwitchUuid, lSwitchPort); } catch (NiciraNvpApiException e){ s_logger.warn("Could not create Logical Switch Port on Logical Switch " + logicalSwitchUuid + " due to: " + e.getMessage() + ", retrying"); return handleException(e, command, niciraNvpResource); } s_logger.debug("Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") successfully created in Logical Switch " + logicalSwitchUuid); s_logger.debug("Attaching Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") on VLAN " + command.getVlanId() + " using L2GatewayAttachment"); try { final L2GatewayAttachment attachment = new L2GatewayAttachment(l2GatewayServiceUuid); if (command.getVlanId() != 0) { attachment.setVlanId(command.getVlanId()); } niciraNvpApi.updateLogicalSwitchPortAttachment(logicalSwitchUuid, lSwitchPort.getUuid(), attachment); } catch (NiciraNvpApiException e){ s_logger.warn("Could not attach Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") to Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") due to: " + e.getMessage() + ", errorCode: " + e.getErrorCode()); cleanup(logicalSwitchUuid, lSwitchPort, niciraNvpApi); return handleException(e, command, niciraNvpResource); } s_logger.debug("Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") successfully attached on VLAN " + command.getVlanId() + " using L2GatewayAttachment"); s_logger.debug("Successfully connected Logical Switch " + logicalSwitchUuid + " to L2 Gateway Service " + l2GatewayServiceUuid + ", vlan id " + vlanId + ", network " + networkId + ", through Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ")"); return new ConfigureSharedNetworkVlanIdAnswer(command, true, "OK"); } private void cleanup(String logicalSwitchUuid, LogicalSwitchPort lSwitchPort, NiciraNvpApi niciraNvpApi) { s_logger.warn("Deleting previously created Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") from Logical Switch " + logicalSwitchUuid); try { niciraNvpApi.deleteLogicalSwitchPort(logicalSwitchUuid, lSwitchPort.getUuid()); } catch (NiciraNvpApiException exceptionDeleteLSwitchPort) { s_logger.error("Error while deleting Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") from Logical Switch " + logicalSwitchUuid + " due to: " + exceptionDeleteLSwitchPort.getMessage()); } s_logger.warn("Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") successfully deteled"); } private Answer handleException(NiciraNvpApiException e, ConfigureSharedNetworkVlanIdCommand command, NiciraNvpResource niciraNvpResource) { if (HttpStatusCodeHelper.isConflict(e.getErrorCode())){ s_logger.warn("There's been a conflict in NSX side, aborting implementation"); return new ConfigureSharedNetworkVlanIdAnswer(command, false, "FAILED: There's been a conflict in NSX side"); } else { s_logger.warn("Error code: " + e.getErrorCode() + ", retrying"); final CommandRetryUtility retryUtility = niciraNvpResource.getRetryUtility(); retryUtility.addRetry(command, NUM_RETRIES); return retryUtility.retry(command, ConfigureSharedNetworkVlanIdAnswer.class, e); } } }