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// 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
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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.ConfigureSharedNetworkUuidAnswer;
import com.cloud.agent.api.ConfigureSharedNetworkUuidCommand;
import com.cloud.network.nicira.LogicalRouterPort;
import com.cloud.network.nicira.LogicalSwitch;
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.nicira.PatchAttachment;
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.exception.CloudRuntimeException;
import com.cloud.utils.rest.HttpStatusCodeHelper;
@ResourceWrapper(handles = ConfigureSharedNetworkUuidCommand.class)
public final class NiciraNvpConfigureSharedNetworkUuidCommandWrapper extends CommandWrapper<ConfigureSharedNetworkUuidCommand, Answer, NiciraNvpResource>{
private static final Logger s_logger = Logger.getLogger(NiciraNvpConfigureSharedNetworkUuidCommandWrapper.class);
@Override
public Answer execute(ConfigureSharedNetworkUuidCommand command, NiciraNvpResource niciraNvpResource) {
final String logicalRouterUuid = command.getLogicalRouterUuid();
final String logicalSwitchUuid = command.getLogicalSwitchUuid();
final String portIpAddress = command.getPortIpAddress();
final List<NiciraNvpTag> tags = new ArrayList<NiciraNvpTag>();
tags.add(new NiciraNvpTag("cs_account", command.getOwnerName()));
final long networkId = command.getNetworkId();
final NiciraNvpApi niciraNvpApi = niciraNvpResource.getNiciraNvpApi();
s_logger.debug("Attaching Logical Switch " + logicalSwitchUuid + " on Logical Router " + logicalRouterUuid + " for Shared Network " + networkId);
//Step 1: Get lSwitch displayName
s_logger.info("Looking for Logical Switch " + logicalSwitchUuid + " display name");
String logicalSwitchDisplayName;
try{
List<LogicalSwitch> lSwitchList = niciraNvpApi.findLogicalSwitch(logicalSwitchUuid);
if (lSwitchList != null){
if (lSwitchList.size() == 1){
logicalSwitchDisplayName = lSwitchList.get(0).getDisplayName();
}
else {
s_logger.error("More than one Logical Switch found with uuid " + logicalSwitchUuid);
throw new CloudRuntimeException("More than one Logical Switch found with uuid=" + logicalSwitchUuid);
}
}
else {
s_logger.error("Logical Switch " + logicalSwitchUuid + " not found");
throw new CloudRuntimeException("Logical Switch " + logicalSwitchUuid + " not found");
}
}
catch (NiciraNvpApiException e){
s_logger.warn("Logical Switch " + logicalSwitchUuid + " not found, retrying");
final CommandRetryUtility retryUtility = niciraNvpResource.getRetryUtility();
retryUtility.addRetry(command, NUM_RETRIES);
return retryUtility.retry(command, ConfigureSharedNetworkUuidAnswer.class, e);
}
catch (CloudRuntimeException e){
s_logger.info("Shared network UUID vlan id failed due to : " + e.getMessage());
return new ConfigureSharedNetworkUuidAnswer(command, false, e.getMessage());
}
s_logger.info("Found display name " + logicalSwitchDisplayName + " for Logical Switch " + logicalSwitchUuid);
//Step 2: Create lRouterPort
s_logger.debug("Creating Logical Router Port in Logical Router " + logicalRouterUuid);
LogicalRouterPort lRouterPort = null;
try {
lRouterPort = new LogicalRouterPort();
lRouterPort.setAdminStatusEnabled(true);
lRouterPort.setDisplayName(niciraNvpResource.truncate(logicalSwitchDisplayName + "-uplink", NAME_MAX_LEN));
lRouterPort.setTags(tags);
final List<String> ipAddresses = new ArrayList<String>();
ipAddresses.add(portIpAddress);
lRouterPort.setIpAddresses(ipAddresses);
lRouterPort = niciraNvpApi.createLogicalRouterPort(logicalRouterUuid, lRouterPort);
}
catch (NiciraNvpApiException e){
s_logger.warn("Could not create Logical Router Port on Logical Router " + logicalRouterUuid + " due to: " + e.getMessage() + ", retrying");
return handleException(e, command, niciraNvpResource);
}
s_logger.debug("Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") successfully created in Logical Router " + logicalRouterUuid);
//Step 3: Create lSwitchPort
s_logger.debug("Creating Logical Switch Port in Logical Switch " + logicalSwitchUuid + " (" + logicalSwitchDisplayName + ")");
LogicalSwitchPort lSwitchPort = null;
try {
lSwitchPort = new LogicalSwitchPort(niciraNvpResource.truncate("lrouter-uplink", NAME_MAX_LEN), tags, true);
lSwitchPort = niciraNvpApi.createLogicalSwitchPort(logicalSwitchUuid, lSwitchPort);
}
catch (NiciraNvpApiException e){
s_logger.warn("Could not create Logical Switch Port on Logical Switch " + logicalSwitchUuid + " (" + logicalSwitchDisplayName + ") due to: " + e.getMessage());
cleanupLRouterPort(logicalRouterUuid, lRouterPort, niciraNvpApi);
return handleException(e, command, niciraNvpResource);
}
s_logger.debug("Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") successfully created in Logical Switch " + logicalSwitchUuid + " (" + logicalSwitchDisplayName + ")");
//Step 4: Attach lRouterPort to lSwitchPort with a PatchAttachment
s_logger.debug("Attaching Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") to Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") with a PatchAttachment");
try {
niciraNvpApi.updateLogicalRouterPortAttachment(logicalRouterUuid, lRouterPort.getUuid(), new PatchAttachment(lSwitchPort.getUuid()));
}
catch (NiciraNvpApiException e) {
s_logger.warn("Could not attach Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") to Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") due to: " + e.getMessage() + ", retrying");
cleanupLRouterPort(logicalRouterUuid, lRouterPort, niciraNvpApi);
cleanupLSwitchPort(logicalSwitchUuid, lSwitchPort, niciraNvpApi);
return handleException(e, command, niciraNvpResource);
}
s_logger.debug("Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") successfully attached to to Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") with a PatchAttachment");
//Step 5: Attach lSwitchPort to lRouterPort with a PatchAttachment
s_logger.debug("Attaching Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") to Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") with a PatchAttachment");
try {
niciraNvpApi.updateLogicalSwitchPortAttachment(logicalSwitchUuid, lSwitchPort.getUuid(), new PatchAttachment(lRouterPort.getUuid()));
}
catch (NiciraNvpApiException e){
s_logger.warn("Could not attach Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") to Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") due to: " + e.getMessage() + ", retrying");
cleanupLRouterPort(logicalRouterUuid, lRouterPort, niciraNvpApi);
cleanupLSwitchPort(logicalSwitchUuid, lSwitchPort, niciraNvpApi);
return handleException(e, command, niciraNvpResource);
}
s_logger.debug("Logical Switch Port " + lSwitchPort.getUuid() + " (" + lSwitchPort.getDisplayName() + ") successfully attached to to Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") with a PatchAttachment");
s_logger.info("Successfully attached Logical Switch " + logicalSwitchUuid + " on Logical Router " + logicalRouterUuid + " for Shared Network " + networkId);
return new ConfigureSharedNetworkUuidAnswer(command, true, "OK");
}
private void cleanupLSwitchPort(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 deleted");
}
private void cleanupLRouterPort(String logicalRouterUuid, LogicalRouterPort lRouterPort, NiciraNvpApi niciraNvpApi) {
s_logger.warn("Deleting previously created Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") from Logical Router " + logicalRouterUuid + " and retrying");
try {
niciraNvpApi.deleteLogicalRouterPort(logicalRouterUuid, lRouterPort.getUuid());
} catch (NiciraNvpApiException exceptionDelete) {
s_logger.error("Error while deleting Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") from Logical Router " + logicalRouterUuid + " due to: " + exceptionDelete.getMessage());
}
s_logger.warn("Logical Router Port " + lRouterPort.getUuid() + " (" + lRouterPort.getDisplayName() + ") successfully deleted");
}
private Answer handleException(NiciraNvpApiException e, ConfigureSharedNetworkUuidCommand command, NiciraNvpResource niciraNvpResource) {
if (HttpStatusCodeHelper.isConflict(e.getErrorCode())){
s_logger.warn("There's been a conflict in NSX side, aborting implementation");
return new ConfigureSharedNetworkUuidAnswer(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, ConfigureSharedNetworkUuidAnswer.class, e);
}
}
}