Merge "Handle duplicate tunnel on multiple dpns"
[genius.git] / interfacemanager / interfacemanager-impl / src / main / java / org / opendaylight / genius / interfacemanager / listeners / InterfaceInventoryStateListener.java
index 1a3375132095befe6ee3a625041772676b831bb8..b7333697c32d8d76cce98945bf3face8881d8ec4 100644 (file)
@@ -7,30 +7,32 @@
  */
 package org.opendaylight.genius.interfacemanager.listeners;
 
+import com.google.common.util.concurrent.ListenableFuture;
 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
-import org.opendaylight.genius.datastoreutils.AsyncDataChangeListenerBase;
-import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
+import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
+import org.opendaylight.genius.interfacemanager.IfmConstants;
+import org.opendaylight.genius.interfacemanager.IfmUtil;
+import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
 import org.opendaylight.genius.interfacemanager.commons.InterfaceMetaUtils;
 import org.opendaylight.genius.interfacemanager.renderer.ovs.statehelpers.OvsInterfaceStateAddHelper;
 import org.opendaylight.genius.interfacemanager.renderer.ovs.statehelpers.OvsInterfaceStateRemoveHelper;
 import org.opendaylight.genius.interfacemanager.renderer.ovs.statehelpers.OvsInterfaceStateUpdateHelper;
+import org.opendaylight.genius.interfacemanager.renderer.ovs.utilities.IfmClusterUtils;
 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.alivenessmonitor.rev160411.AlivenessMonitorService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info.InterfaceParentEntry;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info._interface.parent.entry.InterfaceChildEntry;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.alivenessmonitor.rev160411.AlivenessMonitorService;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
+import java.math.BigInteger;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.Callable;
@@ -44,12 +46,12 @@ import java.util.concurrent.Callable;
  * If PortName is not unique across DPNs, this implementation can have problems.
  */
 
-public class InterfaceInventoryStateListener extends AsyncDataTreeChangeListenerBase<FlowCapableNodeConnector, InterfaceInventoryStateListener> {
+public class InterfaceInventoryStateListener extends AsyncClusteredDataTreeChangeListenerBase<FlowCapableNodeConnector, InterfaceInventoryStateListener> {
     private static final Logger LOG = LoggerFactory.getLogger(InterfaceInventoryStateListener.class);
-    private DataBroker dataBroker;
-    private IdManagerService idManager;
-    private IMdsalApiManager mdsalApiManager;
-    private AlivenessMonitorService alivenessMonitorService;
+    private final DataBroker dataBroker;
+    private final IdManagerService idManager;
+    private final IMdsalApiManager mdsalApiManager;
+    private final AlivenessMonitorService alivenessMonitorService;
 
     public InterfaceInventoryStateListener(final DataBroker dataBroker, final IdManagerService idManager,
                                            final IMdsalApiManager mdsalApiManager, final AlivenessMonitorService alivenessMonitorService) {
@@ -74,59 +76,87 @@ public class InterfaceInventoryStateListener extends AsyncDataTreeChangeListener
     @Override
     protected void remove(InstanceIdentifier<FlowCapableNodeConnector> key,
                           FlowCapableNodeConnector flowCapableNodeConnectorOld) {
-        LOG.debug("Received NodeConnector Remove Event: {}, {}", key, flowCapableNodeConnectorOld);
-        String portName = flowCapableNodeConnectorOld.getName();
-        DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
-
-        // Fetch all interfaces on this port and trigger remove worker for each of them
-        List<String> interfaceChildEntries = getInterfaceChildEntries(dataBroker, portName);
-        for(String interfaceName : interfaceChildEntries){
-            InterfaceStateRemoveWorker interfaceStateRemoveWorker = new InterfaceStateRemoveWorker(idManager,
-                    key, flowCapableNodeConnectorOld, interfaceName);
-            coordinator.enqueueJob(interfaceChildEntries.get(0), interfaceStateRemoveWorker);
-        }
+        IfmClusterUtils.runOnlyInLeaderNode(() -> {
+            LOG.debug("Received NodeConnector Remove Event: {}, {}", key, flowCapableNodeConnectorOld);
+            String portName = flowCapableNodeConnectorOld.getName();
+            NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
 
-        InterfaceStateRemoveWorker portStateRemoveWorker = new InterfaceStateRemoveWorker(idManager,
-                key, flowCapableNodeConnectorOld, portName);
-        coordinator.enqueueJob(portName, portStateRemoveWorker);
+            if (!InterfaceManagerCommonUtils.isNovaOrTunnelPort(portName)) {
+                portName = getDpnPrefixedPortName(nodeConnectorId, portName);
+            }
+            remove(nodeConnectorId, null, flowCapableNodeConnectorOld, portName, true);
+        });
     }
 
     @Override
     protected void update(InstanceIdentifier<FlowCapableNodeConnector> key, FlowCapableNodeConnector fcNodeConnectorOld,
                           FlowCapableNodeConnector fcNodeConnectorNew) {
-        LOG.debug("Received NodeConnector Update Event: {}, {}, {}", key, fcNodeConnectorOld, fcNodeConnectorNew);
-        String portName = fcNodeConnectorNew.getName();
-        DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
+        IfmClusterUtils.runOnlyInLeaderNode(() -> {
+            LOG.debug("Received NodeConnector Update Event: {}, {}, {}", key, fcNodeConnectorOld, fcNodeConnectorNew);
+            String portName = fcNodeConnectorNew.getName();
+            DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
 
-        InterfaceStateUpdateWorker portStateUpdateWorker = new InterfaceStateUpdateWorker(key, fcNodeConnectorOld,
-                fcNodeConnectorNew, portName);
-        coordinator.enqueueJob(portName, portStateUpdateWorker);
-        List<String> interfaceChildEntries = getInterfaceChildEntries(dataBroker, portName);
-        for(String interfaceName : interfaceChildEntries){
-            InterfaceStateUpdateWorker interfaceStateUpdateWorker = new InterfaceStateUpdateWorker(key, fcNodeConnectorOld,
-                    fcNodeConnectorNew, interfaceName);
-            coordinator.enqueueJob(interfaceChildEntries.get(0), interfaceStateUpdateWorker);
-        }
+            InterfaceStateUpdateWorker portStateUpdateWorker = new InterfaceStateUpdateWorker(key, fcNodeConnectorOld,
+                    fcNodeConnectorNew, portName);
+            coordinator.enqueueJob(portName, portStateUpdateWorker, IfmConstants.JOB_MAX_RETRIES);
+        });
     }
 
     @Override
     protected void add(InstanceIdentifier<FlowCapableNodeConnector> key, FlowCapableNodeConnector fcNodeConnectorNew) {
-        LOG.debug("Received NodeConnector Add Event: {}, {}", key, fcNodeConnectorNew);
-        String portName = fcNodeConnectorNew.getName();
-        NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
-        DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
+        IfmClusterUtils.runOnlyInLeaderNode(() -> {
+            LOG.debug("Received NodeConnector Add Event: {}, {}", key, fcNodeConnectorNew);
+            String portName = fcNodeConnectorNew.getName();
+            NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
 
-        InterfaceStateAddWorker ifStateAddWorker = new InterfaceStateAddWorker(idManager, nodeConnectorId,
-                fcNodeConnectorNew, portName);
-        coordinator.enqueueJob(portName, ifStateAddWorker);
-        List<String> interfaceChildEntries = getInterfaceChildEntries(dataBroker, portName);
-        for(String interfaceName : interfaceChildEntries){
-            InterfaceStateAddWorker interfaceStateAddWorker = new InterfaceStateAddWorker(idManager, nodeConnectorId,
-                    fcNodeConnectorNew, interfaceName);
-            coordinator.enqueueJob(interfaceChildEntries.get(0), interfaceStateAddWorker);
-        }
+            //VM Migration: Delete existing interface entry for older DPN
+            if (InterfaceManagerCommonUtils.isNovaOrTunnelPort(portName)) {
+                NodeConnectorId nodeConnectorIdOld = IfmUtil.getNodeConnectorIdFromInterface(portName, dataBroker);
+                if (nodeConnectorIdOld != null && !nodeConnectorId.equals(nodeConnectorIdOld)) {
+                    if (InterfaceManagerCommonUtils.isTunnelPort(portName)) {
+                        BigInteger oldDpnId = IfmUtil.getDpnFromNodeConnectorId(nodeConnectorIdOld);
+                        BigInteger newDpnId = IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId);
+                        LOG.warn("DPNID changed for tunnel interface {}: old {} new {}", portName, oldDpnId, newDpnId);
+                        if(InterfaceMetaUtils.isPortConfiguredOnBridge(portName, oldDpnId, dataBroker) ||
+                                !InterfaceMetaUtils.isPortConfiguredOnBridge(portName, newDpnId, dataBroker)) {
+                            // Remove old interface only it wasn't configured through us and new one is.
+                            return;
+                        }
+                    }
+                    LOG.debug("Triggering NodeConnector Remove Event for the interface: {}, {}, {}", portName, nodeConnectorId, nodeConnectorIdOld);
+                    remove(nodeConnectorId, nodeConnectorIdOld, fcNodeConnectorNew, portName, false);
+                    //Adding a delay of 10sec for VM migration, so applications can process remove and add events
+                    try {
+                        Thread.sleep(IfmConstants.DELAY_TIME_IN_MILLISECOND);
+                    } catch (InterruptedException e) {
+                        LOG.error("Error while waiting for the vm migration remove events to get processed");
+                    }
+                }
+            } else {
+                portName = getDpnPrefixedPortName(nodeConnectorId, portName);
+            }
+            DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
+            InterfaceStateAddWorker ifStateAddWorker = new InterfaceStateAddWorker(idManager, nodeConnectorId,
+                    fcNodeConnectorNew, portName);
+            coordinator.enqueueJob(portName, ifStateAddWorker, IfmConstants.JOB_MAX_RETRIES);
+        });
     }
 
+    private void remove(NodeConnectorId nodeConnectorIdNew, NodeConnectorId nodeConnectorIdOld,
+                        FlowCapableNodeConnector fcNodeConnectorNew, String portName, boolean isNetworkEvent) {
+        boolean isNodePresent = InterfaceManagerCommonUtils.isNodePresent(dataBroker, nodeConnectorIdNew);
+        DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
+        InterfaceStateRemoveWorker portStateRemoveWorker = new InterfaceStateRemoveWorker(idManager, nodeConnectorIdNew,
+                nodeConnectorIdOld, fcNodeConnectorNew, portName, portName, isNodePresent, isNetworkEvent, true);
+        coordinator.enqueueJob(portName, portStateRemoveWorker, IfmConstants.JOB_MAX_RETRIES);
+    }
+
+    private String getDpnPrefixedPortName(NodeConnectorId nodeConnectorId, String portName) {
+        portName = IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId).toString() +
+                IfmConstants.OF_URI_SEPARATOR +
+                portName;
+        return portName;
+    }
     private class InterfaceStateAddWorker implements Callable {
         private final NodeConnectorId nodeConnectorId;
         private final FlowCapableNodeConnector fcNodeConnectorNew;
@@ -146,8 +176,15 @@ public class InterfaceInventoryStateListener extends AsyncDataTreeChangeListener
         public Object call() throws Exception {
             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
             // to call the respective helpers.
-            return OvsInterfaceStateAddHelper.addState(dataBroker, idManager, mdsalApiManager, alivenessMonitorService, nodeConnectorId,
+            List<ListenableFuture<Void>> futures = OvsInterfaceStateAddHelper.addState(dataBroker, idManager, mdsalApiManager, alivenessMonitorService, nodeConnectorId,
                     interfaceName, fcNodeConnectorNew);
+            List<InterfaceChildEntry> interfaceChildEntries = getInterfaceChildEntries(dataBroker, interfaceName);
+            for (InterfaceChildEntry interfaceChildEntry : interfaceChildEntries) {
+                InterfaceStateAddWorker interfaceStateAddWorker = new InterfaceStateAddWorker(idManager, nodeConnectorId,
+                        fcNodeConnectorNew, interfaceChildEntry.getChildInterface());
+                DataStoreJobCoordinator.getInstance().enqueueJob(interfaceName, interfaceStateAddWorker);
+            }
+            return futures;
         }
 
         @Override
@@ -161,10 +198,10 @@ public class InterfaceInventoryStateListener extends AsyncDataTreeChangeListener
     }
 
     private class InterfaceStateUpdateWorker implements Callable {
-        private InstanceIdentifier<FlowCapableNodeConnector> key;
+        private final InstanceIdentifier<FlowCapableNodeConnector> key;
         private final FlowCapableNodeConnector fcNodeConnectorOld;
         private final FlowCapableNodeConnector fcNodeConnectorNew;
-        private String interfaceName;
+        private final String interfaceName;
 
 
         public InterfaceStateUpdateWorker(InstanceIdentifier<FlowCapableNodeConnector> key,
@@ -181,8 +218,15 @@ public class InterfaceInventoryStateListener extends AsyncDataTreeChangeListener
         public Object call() throws Exception {
             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
             // to call the respective helpers.
-            return OvsInterfaceStateUpdateHelper.updateState(key, alivenessMonitorService, dataBroker, interfaceName,
+            List<ListenableFuture<Void>> futures = OvsInterfaceStateUpdateHelper.updateState(key, alivenessMonitorService, dataBroker, interfaceName,
                     fcNodeConnectorNew, fcNodeConnectorOld);
+            List<InterfaceChildEntry> interfaceChildEntries = getInterfaceChildEntries(dataBroker, interfaceName);
+            for (InterfaceChildEntry interfaceChildEntry : interfaceChildEntries) {
+                InterfaceStateUpdateWorker interfaceStateUpdateWorker = new InterfaceStateUpdateWorker(key, fcNodeConnectorOld,
+                        fcNodeConnectorNew, interfaceChildEntry.getChildInterface());
+                DataStoreJobCoordinator.getInstance().enqueueJob(interfaceName, interfaceStateUpdateWorker);
+            }
+            return futures;
         }
 
         @Override
@@ -197,55 +241,80 @@ public class InterfaceInventoryStateListener extends AsyncDataTreeChangeListener
     }
 
     private class InterfaceStateRemoveWorker implements Callable {
-        InstanceIdentifier<FlowCapableNodeConnector> key;
+        private final NodeConnectorId nodeConnectorIdNew;
+        private NodeConnectorId nodeConnectorIdOld;
         FlowCapableNodeConnector fcNodeConnectorOld;
         private final String interfaceName;
+        private final String parentInterface;
         private final IdManagerService idManager;
+        private final boolean isNodePresent;
+        private final boolean isNetworkEvent;
+        private final boolean isParentInterface;
 
-        public InterfaceStateRemoveWorker(IdManagerService idManager,
-                                          InstanceIdentifier<FlowCapableNodeConnector> key,
+        public InterfaceStateRemoveWorker(IdManagerService idManager, NodeConnectorId nodeConnectorIdNew,
+                                          NodeConnectorId nodeConnectorIdOld,
                                           FlowCapableNodeConnector fcNodeConnectorOld,
-                                          String portName) {
-            this.key = key;
+                                          String interfaceName,
+                                          String parentInterface,
+                                          boolean isNodePresent,
+                                          boolean isNetworkEvent,
+                                          boolean isParentInterface) {
+            this.nodeConnectorIdNew = nodeConnectorIdNew;
+            this.nodeConnectorIdOld = nodeConnectorIdOld;
             this.fcNodeConnectorOld = fcNodeConnectorOld;
-            this.interfaceName = portName;
+            this.interfaceName = interfaceName;
+            this.parentInterface = parentInterface;
             this.idManager = idManager;
+            this.isNodePresent = isNodePresent;
+            this.isNetworkEvent = isNetworkEvent;
+            this.isParentInterface = isParentInterface;
         }
 
         @Override
         public Object call() throws Exception {
             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
             // to call the respective helpers.
-            return OvsInterfaceStateRemoveHelper.removeInterfaceStateConfiguration(idManager, mdsalApiManager, alivenessMonitorService,
-                    key, dataBroker, interfaceName, fcNodeConnectorOld);
+
+            List<ListenableFuture<Void>> futures = null;
+            //VM Migration: Skip OFPPR_DELETE event received after OFPPR_ADD for same interface from Older DPN
+            if (isParentInterface && isNetworkEvent) {
+                nodeConnectorIdOld = IfmUtil.getNodeConnectorIdFromInterface(interfaceName, dataBroker);
+                if(nodeConnectorIdOld != null && !nodeConnectorIdNew.equals(nodeConnectorIdOld)) {
+                    LOG.debug("Dropping the NodeConnector Remove Event for the interface: {}, {}, {}", interfaceName, nodeConnectorIdNew, nodeConnectorIdOld);
+                    return futures;
+                }
+            }
+
+            futures = OvsInterfaceStateRemoveHelper.removeInterfaceStateConfiguration(idManager, mdsalApiManager, alivenessMonitorService,
+                    nodeConnectorIdNew, nodeConnectorIdOld, dataBroker, interfaceName, fcNodeConnectorOld, isNodePresent, parentInterface);
+
+            List<InterfaceChildEntry> interfaceChildEntries = getInterfaceChildEntries(dataBroker, interfaceName);
+            for (InterfaceChildEntry interfaceChildEntry : interfaceChildEntries) {
+                // Fetch all interfaces on this port and trigger remove worker for each of them
+                InterfaceStateRemoveWorker interfaceStateRemoveWorker = new InterfaceStateRemoveWorker(idManager, nodeConnectorIdNew,
+                        nodeConnectorIdOld, fcNodeConnectorOld, interfaceChildEntry.getChildInterface(), interfaceName, isNodePresent, isNetworkEvent, false);
+                DataStoreJobCoordinator.getInstance().enqueueJob(interfaceName, interfaceStateRemoveWorker);
+            }
+            return futures;
         }
 
         @Override
         public String toString() {
             return "InterfaceStateRemoveWorker{" +
-                    "key=" + key +
+                    "nodeConnectorIdNew=" + nodeConnectorIdNew +
+                    ", nodeConnectorIdOld=" + nodeConnectorIdOld +
                     ", fcNodeConnectorOld=" + fcNodeConnectorOld +
                     ", interfaceName='" + interfaceName + '\'' +
                     '}';
         }
     }
 
-    public static List<String> getInterfaceChildEntries(DataBroker dataBroker,  String portName){
-        List<String> interfaceChildEntries = new ArrayList();
+    public static List<InterfaceChildEntry> getInterfaceChildEntries(DataBroker dataBroker, String interfaceName) {
         InterfaceParentEntry interfaceParentEntry =
-                InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(portName, dataBroker);
+                InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceName, dataBroker);
         if (interfaceParentEntry != null && interfaceParentEntry.getInterfaceChildEntry() != null) {
-            for(InterfaceChildEntry trunkInterface : interfaceParentEntry.getInterfaceChildEntry()){
-                interfaceChildEntries.add(trunkInterface.getChildInterface());
-                InterfaceParentEntry interfaceTrunkEntry =
-                        InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(trunkInterface.getChildInterface(), dataBroker);
-                if(interfaceTrunkEntry != null && interfaceTrunkEntry.getInterfaceChildEntry() != null) {
-                    for (InterfaceChildEntry trunkMemberInterface : interfaceTrunkEntry.getInterfaceChildEntry()) {
-                        interfaceChildEntries.add(trunkMemberInterface.getChildInterface());
-                    }
-                }
-            }
+            return interfaceParentEntry.getInterfaceChildEntry();
         }
-        return interfaceChildEntries;
+        return new ArrayList<>();
     }
-}
\ No newline at end of file
+}