private boolean canHandle(Network config) {
DataCenter zone = _configMgr.getZone(config.getDataCenterId());
if ((zone.getNetworkType() == NetworkType.Advanced
&& config.getGuestType() != Network.GuestType.Isolated)
|| (zone.getNetworkType() == NetworkType.Basic
&& config.getGuestType() != Network.GuestType.Shared)) {
s_logger.trace("Not handling network type = " + config.getGuestType());
return false;
}
return _networkManager.networkIsConfiguredForExternalNetworking(zone.getId(), config.getId());
}
@Override
public boolean shutdown(Network network, ReservationContext context, boolean cleanup)
throws ResourceUnavailableException, ConcurrentOperationException {
DataCenter zone = _configMgr.getZone(network.getDataCenterId());
// don't have to implement network is Basic zone
if (zone.getNetworkType() == NetworkType.Basic) {
s_logger.debug("Not handling network shutdown in zone of type " + NetworkType.Basic);
return false;
}
if (!canHandle(network)) {
return false;
}
try {
return _externalNetworkManager.manageGuestNetworkWithExternalFirewall(false, network);
} catch (InsufficientCapacityException capacityException) {
// TODO: handle out of capacity exception
return false;
}
}
@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;
}