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 void reserve(
NicProfile nic,
Network config,
VirtualMachineProfile<? extends VirtualMachine> vm,
DeployDestination dest,
ReservationContext context)
throws InsufficientVirtualNetworkCapcityException, InsufficientAddressCapacityException {
assert (nic.getReservationStrategy() == ReservationStrategy.Start)
: "What can I do for nics that are not allocated at start? ";
boolean _isEnabled = Boolean.parseBoolean(_configDao.getValue(Config.OvsTunnelNetwork.key()));
if (_isEnabled) {
return;
}
DataCenter dc = _dcDao.findById(config.getDataCenterId());
if (_networkModel.networkIsConfiguredForExternalNetworking(
config.getDataCenterId(), config.getId())) {
nic.setBroadcastUri(config.getBroadcastUri());
nic.setIsolationUri(config.getBroadcastUri());
nic.setDns1(dc.getDns1());
nic.setDns2(dc.getDns2());
nic.setNetmask(NetUtils.cidr2Netmask(config.getCidr()));
long cidrAddress = NetUtils.ip2Long(config.getCidr().split("/")[0]);
int cidrSize = getGloballyConfiguredCidrSize();
nic.setGateway(config.getGateway());
if (nic.getIp4Address() == null) {
String guestIp = _networkMgr.acquireGuestIpAddress(config, null);
if (guestIp == null) {
throw new InsufficientVirtualNetworkCapcityException(
"Unable to acquire guest IP address for network " + config,
DataCenter.class,
dc.getId());
}
nic.setIp4Address(guestIp);
} else {
long ipMask =
NetUtils.ip2Long(nic.getIp4Address()) & ~(0xffffffffffffffffl << (32 - cidrSize));
nic.setIp4Address(NetUtils.long2Ip(cidrAddress | ipMask));
}
} else {
super.reserve(nic, config, vm, dest, context);
}
}
protected void getIp(
NicProfile nic,
DataCenter dc,
VirtualMachineProfile<? extends VirtualMachine> vm,
Network network)
throws InsufficientVirtualNetworkCapcityException, InsufficientAddressCapacityException,
ConcurrentOperationException {
if (nic.getIp4Address() == null) {
PublicIp ip =
_networkMgr.assignPublicIpAddress(
dc.getId(),
vm.getOwner(),
dc.getNetworkType().equals(NetworkType.Basic)
? VlanType.DirectAttached
: VlanType.VirtualNetwork,
null);
nic.setIp4Address(ip.getAddress().toString());
nic.setGateway(ip.getGateway());
nic.setNetmask(ip.getNetmask());
if (ip.getVlanTag() != null && ip.getVlanTag().equalsIgnoreCase("untagged")) {
nic.setIsolationUri(URI.create("vlan://untagged"));
nic.setBroadcastUri(URI.create("vlan://untagged"));
nic.setBroadcastType(BroadcastDomainType.Native);
} else if (ip.getVlanTag() != null) {
nic.setIsolationUri(IsolationType.Vlan.toUri(ip.getVlanTag()));
nic.setBroadcastUri(IsolationType.Vlan.toUri(ip.getVlanTag()));
nic.setBroadcastType(BroadcastDomainType.Vlan);
}
nic.setFormat(AddressFormat.Ip4);
nic.setReservationId(String.valueOf(ip.getVlanTag()));
nic.setMacAddress(ip.getMacAddress());
}
nic.setDns1(dc.getDns1());
nic.setDns2(dc.getDns2());
}
public boolean shouldAvoid(DataCenter dc) {
if (_dcIds != null && _dcIds.contains(dc.getId())) {
return true;
}
return false;
}
@Override
public Network implement(
Network config, NetworkOffering offering, DeployDestination dest, ReservationContext context)
throws InsufficientVirtualNetworkCapcityException {
assert (config.getState() == State.Implementing) : "Why are we implementing " + config;
if (Boolean.parseBoolean(_configDao.getValue(Config.OvsTunnelNetwork.key()))) {
return null;
}
if (!_networkModel.networkIsConfiguredForExternalNetworking(
config.getDataCenterId(), config.getId())) {
return super.implement(config, offering, dest, context);
}
DataCenter zone = dest.getDataCenter();
NetworkVO implemented =
new NetworkVO(
config.getTrafficType(),
config.getMode(),
config.getBroadcastDomainType(),
config.getNetworkOfferingId(),
State.Allocated,
config.getDataCenterId(),
config.getPhysicalNetworkId());
// Get a vlan tag
int vlanTag;
if (config.getBroadcastUri() == null) {
String vnet =
_dcDao.allocateVnet(
zone.getId(),
config.getPhysicalNetworkId(),
config.getAccountId(),
context.getReservationId());
try {
vlanTag = Integer.parseInt(vnet);
} catch (NumberFormatException e) {
throw new CloudRuntimeException(
"Obtained an invalid guest vlan tag. Exception: " + e.getMessage());
}
implemented.setBroadcastUri(BroadcastDomainType.Vlan.toUri(vlanTag));
ActionEventUtils.onCompletedActionEvent(
UserContext.current().getCallerUserId(),
config.getAccountId(),
EventVO.LEVEL_INFO,
EventTypes.EVENT_ZONE_VLAN_ASSIGN,
"Assigned Zone Vlan: " + vnet + " Network Id: " + config.getId(),
0);
} else {
vlanTag = Integer.parseInt(config.getBroadcastUri().getHost());
implemented.setBroadcastUri(config.getBroadcastUri());
}
// Determine the new gateway and CIDR
String[] oldCidr = config.getCidr().split("/");
String oldCidrAddress = oldCidr[0];
int cidrSize = Integer.parseInt(oldCidr[1]);
long newCidrAddress = (NetUtils.ip2Long(oldCidrAddress));
// if the implementing network is for vpc, no need to generate newcidr, use the cidr that came
// from super cidr
if (config.getVpcId() != null) {
implemented.setGateway(config.getGateway());
implemented.setCidr(config.getCidr());
implemented.setState(State.Implemented);
} else {
// Determine the offset from the lowest vlan tag
int offset = getVlanOffset(config.getPhysicalNetworkId(), vlanTag);
cidrSize = getGloballyConfiguredCidrSize();
// If the offset has more bits than there is room for, return null
long bitsInOffset = 32 - Integer.numberOfLeadingZeros(offset);
if (bitsInOffset > (cidrSize - 8)) {
throw new CloudRuntimeException(
"The offset "
+ offset
+ " needs "
+ bitsInOffset
+ " bits, but only have "
+ (cidrSize - 8)
+ " bits to work with.");
}
newCidrAddress =
(NetUtils.ip2Long(oldCidrAddress) & 0xff000000) | (offset << (32 - cidrSize));
implemented.setGateway(NetUtils.long2Ip(newCidrAddress + 1));
implemented.setCidr(NetUtils.long2Ip(newCidrAddress) + "/" + cidrSize);
implemented.setState(State.Implemented);
}
// Mask the Ipv4 address of all nics that use this network with the new guest VLAN offset
List<NicVO> nicsInNetwork = _nicDao.listByNetworkId(config.getId());
for (NicVO nic : nicsInNetwork) {
if (nic.getIp4Address() != null) {
long ipMask = getIpMask(nic.getIp4Address(), cidrSize);
nic.setIp4Address(NetUtils.long2Ip(newCidrAddress | ipMask));
_nicDao.persist(nic);
}
}
// Mask the destination address of all port forwarding rules in this network with the new guest
// VLAN offset
List<PortForwardingRuleVO> pfRulesInNetwork = _pfRulesDao.listByNetwork(config.getId());
for (PortForwardingRuleVO pfRule : pfRulesInNetwork) {
if (pfRule.getDestinationIpAddress() != null) {
long ipMask = getIpMask(pfRule.getDestinationIpAddress().addr(), cidrSize);
String maskedDestinationIpAddress = NetUtils.long2Ip(newCidrAddress | ipMask);
pfRule.setDestinationIpAddress(new Ip(maskedDestinationIpAddress));
_pfRulesDao.update(pfRule.getId(), pfRule);
}
}
return implemented;
}