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VPC: associate tier public IPs when a public IP of the tier has firewall rules by adestis-mf · Pull Request #14681 · apache/cloudstack · GitHub

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VPC: associate tier public IPs when a public IP of the tier has firewall rules #14681

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VPC: associate tier public IPs when a public IP of the tier has firewall rules #14681

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19 changes: 18 additions & 1 deletion server/src/main/java/com/cloud/network/element/VpcVirtualRouterElement.java
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Original file line number Diff line number Diff line change
Expand Up @@ -539,7 +539,8 @@ public boolean deletePrivateGateway(final PrivateGateway gateway) throws Concurr
public boolean applyIps(final Network network, final List<? extends PublicIpAddress> ipAddress, final Set<Service> services) throws ResourceUnavailableException {
boolean canHandle = true;
for (final Service service : services) {
if (!canHandle(network, service)) {
if (!canHandleIpService(network, service)) {
logger.debug("{} element can't handle service {} in the network {}; skipping IP association", getName(), service.getName(), network);
canHandle = false;
break;
}
Expand All @@ -563,6 +564,22 @@ public boolean applyIps(final Network network, final List<? extends PublicIpAddr
return result;
}

/**
* The Firewall service for public IPs is a VPC service: the VPC offering provides it, while the
* tier's network offering does not list it. Once a public IP of the tier has a firewall rule,
* Firewall is part of the services passed to {@link #applyIps}, so it is checked on the VPC
* here. Otherwise no public IP of that tier could be associated with the VPC virtual router.
*/
protected boolean canHandleIpService(final Network network, final Service service) {
if (canHandle(network, service)) {
return true;
}
if (Service.Firewall.equals(service) && network.getVpcId() != null) {
return canHandle(_vpcDao.findById(network.getVpcId()), service);

adestis-mf Nov 11, 2026

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

canHandle(Vpc, Service) already returns false for a null VPC (it is the first check in that
method), so there is no NullPointerException here: if the VPC cannot be found, the IP association is
skipped, as it was before this change, and the new debug line logs that. applyFWRulesInVPC goes
through the same method. I would leave it as it is.
}
return false;
}

@Override
public boolean applyNetworkACLs(final Network network, final List<? extends NetworkACLItem> rules) throws ResourceUnavailableException {
boolean result = true;
Expand Down
83 changes: 83 additions & 0 deletions server/src/test/java/com/cloud/network/element/VpcVirtualRouterElementTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,17 +21,21 @@
import com.cloud.exception.ResourceUnavailableException;
import com.cloud.network.Network;
import com.cloud.network.NetworkModel;
import com.cloud.network.PublicIpAddress;
import com.cloud.network.RemoteAccessVpn;
import com.cloud.network.VpnUser;
import com.cloud.network.router.VirtualRouter;
import com.cloud.network.router.VpcVirtualNetworkApplianceManagerImpl;
import com.cloud.network.vpc.Vpc;
import com.cloud.network.vpc.VpcManager;
import com.cloud.network.vpc.VpcVO;
import com.cloud.network.vpc.dao.VpcDao;
import com.cloud.utils.db.EntityManager;
import com.cloud.vm.DomainRouterVO;
import com.cloud.vm.dao.DomainRouterDao;
import org.apache.cloudstack.network.topology.AdvancedNetworkTopology;
import org.apache.cloudstack.network.topology.BasicNetworkTopology;
import org.apache.cloudstack.network.topology.NetworkTopology;
import org.apache.cloudstack.network.topology.NetworkTopologyContext;
import org.junit.Test;
import org.junit.runner.RunWith;
Expand All @@ -41,9 +45,12 @@
import org.mockito.junit.MockitoJUnitRunner;

import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
Expand Down Expand Up @@ -214,4 +221,80 @@ public void testCanHandleFirewallUsesVpcCapability() {
verify(_networkMdl).isProviderSupportServiceInNetwork(200L, Network.Service.Firewall, Network.Provider.VPCVirtualRouter);
verify(_vpcMgr, never()).isProviderSupportServiceInVpc(100L, Network.Service.Firewall, Network.Provider.VPCVirtualRouter);
}

private Network mockVpcTier() {
final Network network = Mockito.mock(Network.class);
when(_networkMdl.getPhysicalNetworkId(network)).thenReturn(1L);
when(network.getId()).thenReturn(200L);
when(network.getVpcId()).thenReturn(100L);
when(_networkMdl.isProviderEnabledInPhysicalNetwork(1L, Network.Provider.VPCVirtualRouter.getName())).thenReturn(true);
return network;
}

private VpcVO mockVpc(final boolean vpcProvidesFirewall) {
final VpcVO vpc = Mockito.mock(VpcVO.class);
when(vpc.getId()).thenReturn(100L);
when(vpc.getZoneId()).thenReturn(1L);
when(_vpcDao.findById(100L)).thenReturn(vpc);
when(_networkMdl.isProviderEnabledInZone(1L, Network.Provider.VPCVirtualRouter.getName())).thenReturn(true);
when(_vpcMgr.isProviderSupportServiceInVpc(100L, Network.Service.Firewall, Network.Provider.VPCVirtualRouter)).thenReturn(vpcProvidesFirewall);
return vpc;
}
Comment on lines +225 to +242

adestis-mf Nov 11, 2026

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

The new helpers use the same values as the existing testCanHandleFirewallUsesVpcCapability in this
class, which has 1L, 100L and 200L inline as well. I kept that style so the new tests read like
the existing one and the change stays small. Happy to switch both to named constants if reviewers
prefer.

private Set<Network.Service> lbAndFirewall() {
final Set<Network.Service> services = new LinkedHashSet<>();
services.add(Network.Service.Lb);
services.add(Network.Service.Firewall);
return services;
}

@Test
public void testApplyIpsAssociatesTierIpsWhenTheVpcProvidesFirewall() throws ResourceUnavailableException {
final Network network = mockVpcTier();
when(network.getDataCenterId()).thenReturn(1L);
when(_networkMdl.isProviderSupportServiceInNetwork(200L, Network.Service.Lb, Network.Provider.VPCVirtualRouter)).thenReturn(true);
when(_networkMdl.isProviderSupportServiceInNetwork(200L, Network.Service.Firewall, Network.Provider.VPCVirtualRouter)).thenReturn(false);
mockVpc(true);

final DomainRouterVO router = Mockito.mock(DomainRouterVO.class);
when(_routerDao.listByNetworkAndRole(200L, VirtualRouter.Role.VIRTUAL_ROUTER)).thenReturn(List.of(router));
final DataCenterVO dc = Mockito.mock(DataCenterVO.class);
when(_dcDao.findById(1L)).thenReturn(dc);
final NetworkTopology topology = Mockito.mock(NetworkTopology.class);
when(networkTopologyContext.retrieveNetworkTopology(dc)).thenReturn(topology);
final List<PublicIpAddress> ips = List.of(Mockito.mock(PublicIpAddress.class));
when(topology.associatePublicIP(network, ips, router)).thenReturn(true);

assertTrue(vpcVirtualRouterElement.applyIps(network, ips, lbAndFirewall()));
verify(topology).associatePublicIP(network, ips, router);
}

@Test
public void testApplyIpsSkipsAssociationWhenNeitherTierNorVpcProvidesFirewall() throws ResourceUnavailableException {
final Network network = mockVpcTier();
when(_networkMdl.isProviderSupportServiceInNetwork(200L, Network.Service.Lb, Network.Provider.VPCVirtualRouter)).thenReturn(true);
when(_networkMdl.isProviderSupportServiceInNetwork(200L, Network.Service.Firewall, Network.Provider.VPCVirtualRouter)).thenReturn(false);
mockVpc(false);

assertTrue(vpcVirtualRouterElement.applyIps(network, List.of(Mockito.mock(PublicIpAddress.class)), lbAndFirewall()));
verify(_routerDao, never()).listByNetworkAndRole(Mockito.anyLong(), Mockito.any());
}

@Test
public void testCanHandleIpServiceUsesTheVpcOnlyForFirewall() {
final Network network = mockVpcTier();
when(_networkMdl.isProviderSupportServiceInNetwork(200L, Network.Service.PortForwarding, Network.Provider.VPCVirtualRouter)).thenReturn(false);

assertFalse(vpcVirtualRouterElement.canHandleIpService(network, Network.Service.PortForwarding));
verify(_vpcDao, never()).findById(Mockito.anyLong());
}

@Test
public void testCanHandleIpServiceKeepsTierFirewall() {
final Network network = mockVpcTier();
when(_networkMdl.isProviderSupportServiceInNetwork(200L, Network.Service.Firewall, Network.Provider.VPCVirtualRouter)).thenReturn(true);

assertTrue(vpcVirtualRouterElement.canHandleIpService(network, Network.Service.Firewall));
verify(_vpcDao, never()).findById(Mockito.anyLong());
}
}
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