import java.net.InetAddress;
import java.net.UnknownHostException;
+import java.util.HashMap;
import java.util.List;
import com.google.common.base.Preconditions;
public class DistributedArpService implements ConfigInterface {
private static final Logger LOG = LoggerFactory.getLogger(DistributedArpService.class);
+ private static final String DHCP_DEVICE_OWNER = "network:dhcp";
// The implementation for each of these services is resolved by the OSGi Service Manager
private volatile ConfigurationService configurationService;
private volatile TenantNetworkManager tenantNetworkManager;
private Southbound southbound;
private Boolean flgDistributedARPEnabled = true;
+ private HashMap<String, List<Neutron_IPs>> dhcpPortIpCache = new HashMap();
+
private void initMembers() {
Preconditions.checkNotNull(configurationService);
if (configurationService.isDistributedArpDisabled()) {
public void handlePortEvent(NeutronPort neutronPort, Action action) {
LOG.debug("neutronPort Event {} action event {} ", neutronPort, action);
if (action == Action.DELETE) {
- this.handleNeutornPortForArp(neutronPort, action);
+ this.handleNeutronPortForArp(neutronPort, action);
} else {
for (NeutronPort neutronPort1 : neutronPortCache.getAllPorts()) {
- this.handleNeutornPortForArp(neutronPort1, action);
+ this.handleNeutronPortForArp(neutronPort1, action);
}
}
}
* @param action the {@link org.opendaylight.ovsdb.openstack.netvirt.api.Action} action to be handled.
* @param neutronPort An instance of NeutronPort object.
*/
- private void handleNeutornPortForArp(NeutronPort neutronPort, Action action) {
+ private void handleNeutronPortForArp(NeutronPort neutronPort, Action action) {
+ if (!flgDistributedARPEnabled) {
+ return;
+ }
+
+ //treat UPDATE as ADD
+ final Action actionToPerform = action == Action.DELETE ? Action.DELETE : Action.ADD;
final String networkUUID = neutronPort.getNetworkUUID();
NeutronNetwork neutronNetwork = neutronNetworkCache.getNetwork(networkUUID);
}
final String providerSegmentationId = neutronNetwork != null ?
neutronNetwork.getProviderSegmentationID() : null;
- final String tenantMac = neutronPort.getMacAddress();
+ final String macAddress = neutronPort.getMacAddress();
if (providerSegmentationId == null || providerSegmentationId.isEmpty() ||
- tenantMac == null || tenantMac.isEmpty()) {
+ macAddress == null || macAddress.isEmpty()) {
// done: go no further w/out all the info needed...
return;
}
- final boolean isDelete = action == Action.DELETE;
- final Action action1 = isDelete ? Action.DELETE : Action.ADD;
-
-
List<Node> nodes = nodeCacheManager.getBridgeNodes();
if (nodes.isEmpty()) {
LOG.trace("updateL3ForNeutronPort has no nodes to work with");
+ //Do not exit, we still may need to clean up this entry from the dhcpPortToIpCache
}
+
+ //Neutron removes the DHCP port's IP before deleting it. As such,
+ //when it comes time to delete the port, the ARP rule can not
+ //be removed because we simply don't know the IP. To mitigate this,
+ //we cache the dhcp ports IPs (BUG 5408).
+ String owner = neutronPort.getDeviceOwner();
+ boolean isDhcpPort = owner != null && owner.equals(DHCP_DEVICE_OWNER);
+ List<Neutron_IPs> fixedIps = neutronPort.getFixedIPs();
+ if((null == fixedIps || fixedIps.isEmpty())
+ && actionToPerform == Action.DELETE && isDhcpPort){
+ fixedIps = dhcpPortIpCache.get(neutronPort.getPortUUID());
+ if(fixedIps == null) {
+ return;
+ }
+ }
+
for (Node node : nodes) {
+ // Arp rule is only needed when segmentation exists in the given node (bug 4752).
+ boolean arpNeeded = tenantNetworkManager.isTenantNetworkPresentInNode(node, providerSegmentationId);
+ final Action actionForNode = arpNeeded ? actionToPerform : Action.DELETE;
+
final Long dpid = getDatapathIdIntegrationBridge(node);
if (dpid == null) {
continue;
}
- if (neutronPort.getFixedIPs() == null) {
- continue;
- }
- for (Neutron_IPs neutronIP : neutronPort.getFixedIPs()) {
- final String tenantIpStr = neutronIP.getIpAddress();
- if (tenantIpStr.isEmpty()) {
+
+ for (Neutron_IPs neutronIP : fixedIps) {
+ final String ipAddress = neutronIP.getIpAddress();
+ if (ipAddress.isEmpty()) {
continue;
}
- // Configure distributed ARP responder
- if (flgDistributedARPEnabled) {
- // Arp rule is only needed when segmentation exists in the given node (bug 4752).
- boolean arpNeeded = tenantNetworkManager.isTenantNetworkPresentInNode(node, providerSegmentationId);
- final Action actionForNode = arpNeeded ? action1 : Action.DELETE;
- programStaticRuleStage1(dpid, providerSegmentationId, tenantMac, tenantIpStr, actionForNode);
- }
+
+ programStaticRuleStage1(dpid, providerSegmentationId, macAddress, ipAddress, actionForNode);
}
}
+
+ //use action instead of actionToPerform - only write to the cache when the port is created
+ if(isDhcpPort && action == Action.ADD){
+ dhcpPortIpCache.put(neutronPort.getPortUUID(), fixedIps);
+ } else if (isDhcpPort && action == Action.DELETE) {
+ dhcpPortIpCache.remove(neutronPort.getPortUUID());
+ }
}
/**
* Check if node is integration bridge, then return its datapathID.
- * @param bridgeNode An instance of Node object.
+ * @param node An instance of Node object.
*/
private Long getDatapathIdIntegrationBridge(Node node) {
if (southbound.getBridge(node, configurationService.getIntegrationBridgeName()) != null) {
Code Review / ovsdb.git / blobdiff