@Override
public CiscoAsa1000vDevice assignAsa1000vToNetwork(Network network) {
List<CiscoAsa1000vDeviceVO> asaList =
_ciscoAsa1000vDao.listByPhysicalNetwork(network.getPhysicalNetworkId());
for (CiscoAsa1000vDeviceVO asa : asaList) {
NetworkAsa1000vMapVO assignedToNetwork = _networkAsa1000vMapDao.findByAsa1000vId(asa.getId());
if (assignedToNetwork == null) {
NetworkAsa1000vMapVO networkAsaMap = new NetworkAsa1000vMapVO(network.getId(), asa.getId());
_networkAsa1000vMapDao.persist(networkAsaMap);
return asa;
}
}
return null;
}
@Override
public CiscoAsa1000vResourceResponse createCiscoAsa1000vResourceResponse(
CiscoAsa1000vDevice ciscoAsa1000vDeviceVO) {
CiscoAsa1000vResourceResponse response = new CiscoAsa1000vResourceResponse();
response.setId(ciscoAsa1000vDeviceVO.getUuid());
response.setManagementIp(ciscoAsa1000vDeviceVO.getManagementIp());
response.setInPortProfile(ciscoAsa1000vDeviceVO.getInPortProfile());
NetworkAsa1000vMapVO networkAsaMap =
_networkAsa1000vMapDao.findByAsa1000vId(ciscoAsa1000vDeviceVO.getId());
if (networkAsaMap != null) {
response.setGuestNetworkId(networkAsaMap.getNetworkId());
}
return response;
}
@Override
public boolean prepare(
Network network,
NicProfile nic,
VirtualMachineProfile vm,
DeployDestination dest,
ReservationContext context)
throws ConcurrentOperationException, ResourceUnavailableException,
InsufficientCapacityException {
if (vm.getType() != Type.User) {
return false;
}
// ensure that there is an ASA 1000v assigned to this network
NetworkAsa1000vMapVO asaForNetwork = _networkAsa1000vMapDao.findByNetworkId(network.getId());
if (asaForNetwork == null) {
return false;
}
return true;
}
@Override
public boolean deleteCiscoAsa1000vResource(DeleteCiscoAsa1000vResourceCmd cmd) {
Long asaResourceId = cmd.getCiscoAsa1000vResourceId();
CiscoAsa1000vDeviceVO asaResource = _ciscoAsa1000vDao.findById(asaResourceId);
if (asaResource == null) {
throw new InvalidParameterValueException(
"Could not find a Cisco ASA 1000v appliance with id " + asaResourceId);
}
NetworkAsa1000vMapVO networkAsaMap =
_networkAsa1000vMapDao.findByAsa1000vId(asaResource.getId());
if (networkAsaMap != null) {
throw new CloudRuntimeException(
"Cisco ASA 1000v appliance with id "
+ asaResourceId
+ " cannot be deleted as it is associated with guest network");
}
_ciscoAsa1000vDao.remove(asaResourceId);
return true;
}
@Override
public boolean applyStaticNats(Network network, List<? extends StaticNat> rules)
throws ResourceUnavailableException {
if (!_networkModel.isProviderSupportServiceInNetwork(
network.getId(), Service.StaticNat, Provider.CiscoVnmc)) {
s_logger.error(
"Static NAT service is not provided by Cisco Vnmc device on network "
+ network.getName());
return false;
}
// Find VNMC host for physical network
List<CiscoVnmcControllerVO> devices =
_ciscoVnmcDao.listByPhysicalNetwork(network.getPhysicalNetworkId());
if (devices.isEmpty()) {
s_logger.error("No Cisco Vnmc device on network " + network.getName());
return true;
}
// Find if ASA 1000v is associated with network
NetworkAsa1000vMapVO asaForNetwork = _networkAsa1000vMapDao.findByNetworkId(network.getId());
if (asaForNetwork == null) {
s_logger.debug("Cisco ASA 1000v device is not associated with network " + network.getName());
return true;
}
if (network.getState() == Network.State.Allocated) {
s_logger.debug(
"External firewall was asked to apply static NAT rules for network with ID "
+ network.getId()
+ "; this network is not implemented. Skipping backend commands.");
return true;
}
CiscoVnmcControllerVO ciscoVnmcDevice = devices.get(0);
HostVO ciscoVnmcHost = _hostDao.findById(ciscoVnmcDevice.getHostId());
List<StaticNatRuleTO> rulesTO = new ArrayList<StaticNatRuleTO>();
for (StaticNat rule : rules) {
IpAddress sourceIp = _networkModel.getIp(rule.getSourceIpAddressId());
StaticNatRuleTO ruleTO =
new StaticNatRuleTO(
rule.getSourceIpAddressId(),
sourceIp.getAddress().addr(),
null,
null,
rule.getDestIpAddress(),
null,
null,
null,
rule.isForRevoke(),
false);
rulesTO.add(ruleTO);
}
if (!rulesTO.isEmpty()) {
SetStaticNatRulesCommand cmd = new SetStaticNatRulesCommand(rulesTO, null);
cmd.setContextParam(
NetworkElementCommand.GUEST_VLAN_TAG, network.getBroadcastUri().getHost());
cmd.setContextParam(NetworkElementCommand.GUEST_NETWORK_CIDR, network.getCidr());
Answer answer = _agentMgr.easySend(ciscoVnmcHost.getId(), cmd);
if (answer == null || !answer.getResult()) {
String details = (answer != null) ? answer.getDetails() : "details unavailable";
String msg =
"Unable to apply static NAT rules to Cisco ASA 1000v appliance due to: "
+ details
+ ".";
s_logger.error(msg);
throw new ResourceUnavailableException(msg, DataCenter.class, network.getDataCenterId());
}
}
return true;
}
@Override
public boolean implement(
Network network, NetworkOffering offering, DeployDestination dest, ReservationContext context)
throws ConcurrentOperationException, ResourceUnavailableException,
InsufficientCapacityException {
DataCenter zone = _configMgr.getZone(network.getDataCenterId());
if (zone.getNetworkType() == NetworkType.Basic) {
s_logger.debug("Not handling network implement in zone of type " + NetworkType.Basic);
return false;
}
if (!canHandle(network)) {
return false;
}
List<CiscoVnmcControllerVO> devices =
_ciscoVnmcDao.listByPhysicalNetwork(network.getPhysicalNetworkId());
if (devices.isEmpty()) {
s_logger.error("No Cisco Vnmc device on network " + network.getName());
return false;
}
List<CiscoAsa1000vDeviceVO> asaList =
_ciscoAsa1000vDao.listByPhysicalNetwork(network.getPhysicalNetworkId());
if (asaList.isEmpty()) {
s_logger.debug("No Cisco ASA 1000v device on network " + network.getName());
return false;
}
NetworkAsa1000vMapVO asaForNetwork = _networkAsa1000vMapDao.findByNetworkId(network.getId());
if (asaForNetwork != null) {
s_logger.debug("Cisco ASA 1000v device already associated with network " + network.getName());
return true;
}
if (!_networkModel.isProviderSupportServiceInNetwork(
network.getId(), Service.SourceNat, Provider.CiscoVnmc)) {
s_logger.error(
"SourceNat service is not provided by Cisco Vnmc device on network " + network.getName());
return false;
}
Transaction txn = Transaction.currentTxn();
boolean status = false;
try {
txn.start();
// ensure that there is an ASA 1000v assigned to this network
CiscoAsa1000vDevice assignedAsa = assignAsa1000vToNetwork(network);
if (assignedAsa == null) {
s_logger.error("Unable to assign ASA 1000v device to network " + network.getName());
return false;
}
ClusterVO asaCluster = _clusterDao.findById(assignedAsa.getClusterId());
ClusterVSMMapVO clusterVsmMap = _clusterVsmMapDao.findByClusterId(assignedAsa.getClusterId());
if (clusterVsmMap == null) {
s_logger.error(
"Vmware cluster "
+ asaCluster.getName()
+ " has no Cisco Nexus VSM device associated with it");
return false;
}
CiscoNexusVSMDeviceVO vsmDevice = _vsmDeviceDao.findById(clusterVsmMap.getVsmId());
if (vsmDevice == null) {
s_logger.error(
"Unable to load details of Cisco Nexus VSM device associated with cluster "
+ asaCluster.getName());
return false;
}
CiscoVnmcControllerVO ciscoVnmcDevice = devices.get(0);
HostVO ciscoVnmcHost = _hostDao.findById(ciscoVnmcDevice.getHostId());
_hostDao.loadDetails(ciscoVnmcHost);
Account owner = context.getAccount();
PublicIp sourceNatIp = _ipAddrMgr.assignSourceNatIpAddressToGuestNetwork(owner, network);
String vlan = network.getBroadcastUri().getHost();
long vlanId = Long.parseLong(vlan);
List<VlanVO> vlanVOList =
_vlanDao.listVlansByPhysicalNetworkId(network.getPhysicalNetworkId());
List<String> publicGateways = new ArrayList<String>();
for (VlanVO vlanVO : vlanVOList) {
publicGateways.add(vlanVO.getVlanGateway());
}
// due to VNMC limitation of not allowing source NAT ip as the outside ip of firewall,
// an additional public ip needs to acquired for assigning as firewall outside ip.
// In case there are already additional ip addresses available (network restart) use one
// of them such that it is not the source NAT ip
IpAddress outsideIp = null;
List<IPAddressVO> publicIps = _ipAddressDao.listByAssociatedNetwork(network.getId(), null);
for (IPAddressVO ip : publicIps) {
if (!ip.isSourceNat()) {
outsideIp = ip;
break;
}
}
if (outsideIp == null) { // none available, acquire one
try {
Account caller = CallContext.current().getCallingAccount();
long callerUserId = CallContext.current().getCallingUserId();
outsideIp = _ipAddrMgr.allocateIp(owner, false, caller, callerUserId, zone);
} catch (ResourceAllocationException e) {
s_logger.error("Unable to allocate additional public Ip address. Exception details " + e);
return false;
}
try {
outsideIp =
_ipAddrMgr.associateIPToGuestNetwork(outsideIp.getId(), network.getId(), true);
} catch (ResourceAllocationException e) {
s_logger.error(
"Unable to assign allocated additional public Ip "
+ outsideIp.getAddress().addr()
+ " to network with vlan "
+ vlanId
+ ". Exception details "
+ e);
return false;
}
}
// create logical edge firewall in VNMC
String gatewayNetmask = NetUtils.getCidrNetmask(network.getCidr());
// due to ASA limitation of allowing single subnet to be assigned to firewall interfaces,
// all public ip addresses must be from same subnet, this essentially means single public
// subnet in zone
if (!createLogicalEdgeFirewall(
vlanId,
network.getGateway(),
gatewayNetmask,
outsideIp.getAddress().addr(),
sourceNatIp.getNetmask(),
publicGateways,
ciscoVnmcHost.getId())) {
s_logger.error(
"Failed to create logical edge firewall in Cisco VNMC device for network "
+ network.getName());
return false;
}
// create stuff in VSM for ASA device
if (!configureNexusVsmForAsa(
vlanId,
network.getGateway(),
vsmDevice.getUserName(),
vsmDevice.getPassword(),
vsmDevice.getipaddr(),
assignedAsa.getInPortProfile(),
ciscoVnmcHost.getId())) {
s_logger.error(
"Failed to configure Cisco Nexus VSM "
+ vsmDevice.getipaddr()
+ " for ASA device for network "
+ network.getName());
return false;
}
// configure source NAT
if (!configureSourceNat(vlanId, network.getCidr(), sourceNatIp, ciscoVnmcHost.getId())) {
s_logger.error(
"Failed to configure source NAT in Cisco VNMC device for network " + network.getName());
return false;
}
// associate Asa 1000v instance with logical edge firewall
if (!associateAsaWithLogicalEdgeFirewall(
vlanId, assignedAsa.getManagementIp(), ciscoVnmcHost.getId())) {
s_logger.error(
"Failed to associate Cisco ASA 1000v ("
+ assignedAsa.getManagementIp()
+ ") with logical edge firewall in VNMC for network "
+ network.getName());
return false;
}
status = true;
txn.commit();
} finally {
if (!status) {
txn.rollback();
// FIXME: also undo changes in VNMC, VSM if anything failed
}
}
return true;
}
private void unassignAsa1000vFromNetwork(Network network) {
NetworkAsa1000vMapVO networkAsaMap = _networkAsa1000vMapDao.findByNetworkId(network.getId());
if (networkAsaMap != null) {
_networkAsa1000vMapDao.remove(networkAsaMap.getId());
}
}