L2 Gw connection support and Elan manager changes
[vpnservice.git] / neutronvpn / neutronvpn-impl / src / main / java / org / opendaylight / vpnservice / neutronvpn / NeutronPortChangeListener.java
index a615600aeeafd0df12718908319d5dafdeeb418c..826955dff5a553b5a27daeadb7030ea2c64aa9c7 100644 (file)
@@ -8,15 +8,39 @@
 package org.opendaylight.vpnservice.neutronvpn;
 
 
+import com.google.common.base.Optional;
+
 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
+import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
+import org.opendaylight.controller.md.sal.binding.api.NotificationService;
 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
 import org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener;
+import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.L2vlan;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.FixedIps;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.Ports;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.ElanInterfaces;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterfaceBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfL2vlan;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfL2vlanBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.ParentRefs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.ParentRefsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.lockmanager.rev150819.LockManagerService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.PortAddedToSubnetBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.PortRemovedFromSubnetBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.neutron.port.data
+        .PortFixedipToPortNameBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.subnetmaps.Subnetmap;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.slf4j.Logger;
@@ -33,15 +57,24 @@ public class NeutronPortChangeListener extends AbstractDataChangeListener<Port>
     private ListenerRegistration<DataChangeListener> listenerRegistration;
     private final DataBroker broker;
     private NeutronvpnManager nvpnManager;
+    private LockManagerService lockManager;
+    private NotificationPublishService notificationPublishService;
+    private NotificationService notificationService;
 
 
-    public NeutronPortChangeListener(final DataBroker db, NeutronvpnManager nVpnMgr) {
+    public NeutronPortChangeListener(final DataBroker db, NeutronvpnManager nVpnMgr,NotificationPublishService notiPublishService, NotificationService notiService) {
         super(Port.class);
         broker = db;
         nvpnManager = nVpnMgr;
+        notificationPublishService = notiPublishService;
+        notificationService = notiService;
         registerListener(db);
     }
 
+    public void setLockManager(LockManagerService lockManager) {
+        this.lockManager = lockManager;
+    }
+
     @Override
     public void close() throws Exception {
         if (listenerRegistration != null) {
@@ -72,7 +105,7 @@ public class NeutronPortChangeListener extends AbstractDataChangeListener<Port>
         if (LOG.isTraceEnabled()) {
             LOG.trace("Adding Port : key: " + identifier + ", value=" + input);
         }
-        nvpnManager.handleNeutronPortCreated(input);
+        handleNeutronPortCreated(input);
 
     }
 
@@ -81,7 +114,7 @@ public class NeutronPortChangeListener extends AbstractDataChangeListener<Port>
         if (LOG.isTraceEnabled()) {
             LOG.trace("Removing Port : key: " + identifier + ", value=" + input);
         }
-        nvpnManager.handleNeutronPortDeleted(input);
+        handleNeutronPortDeleted(input);
 
     }
 
@@ -102,7 +135,223 @@ public class NeutronPortChangeListener extends AbstractDataChangeListener<Port>
                     iterator.remove();
                 }
             }
-            nvpnManager.handleNeutronPortUpdated(original, update);
+            handleNeutronPortUpdated(original, update);
+        }
+    }
+
+    private void handleNeutronPortCreated(Port port) {
+        if (!NeutronvpnUtils.isPortVnicTypeNormal(port)) {
+            LOG.info("Port {} is not a NORMAL VNIC Type port; OF Port interfaces are not created",
+                    port.getUuid().getValue());
+            return;
+        }
+        LOG.info("Of-port-interface creation");
+        // Create of-port interface for this neutron port
+        String portInterfaceName = createOfPortInterface(port);
+        LOG.debug("Creating ELAN Interface");
+        createElanInterface(port, portInterfaceName);
+        LOG.debug("Add port to subnet");
+        // add port to local Subnets DS
+        Uuid vpnId = addPortToSubnets(port);
+
+        if (vpnId != null) {
+            // create vpn-interface on this neutron port
+            LOG.debug("Adding VPN Interface");
+            nvpnManager.createVpnInterface(vpnId, port);
+        }
+    }
+
+    private void handleNeutronPortDeleted(Port port) {
+        LOG.debug("Of-port-interface removal");
+        LOG.debug("Remove port from subnet");
+        // remove port from local Subnets DS
+        Uuid vpnId = removePortFromSubnets(port);
+
+        if (vpnId != null) {
+            // remove vpn-interface for this neutron port
+            LOG.debug("removing VPN Interface");
+            nvpnManager.deleteVpnInterface(port);
+        }
+        // Remove of-port interface for this neutron port
+        // ELAN interface is also implicitly deleted as part of this operation
+        deleteOfPortInterface(port);
+
+    }
+
+    private void handleNeutronPortUpdated(Port portoriginal, Port portupdate) {
+        LOG.debug("Add port to subnet");
+        // add port FixedIP to local Subnets DS
+        Uuid vpnIdup = addPortToSubnets(portupdate);
+
+        if (vpnIdup != null) {
+            nvpnManager.createVpnInterface(vpnIdup, portupdate);
+        }
+
+        // remove port FixedIP from local Subnets DS
+        Uuid vpnIdor = removePortFromSubnets(portoriginal);
+
+        if (vpnIdor != null) {
+            nvpnManager.deleteVpnInterface(portoriginal);
+        }
+    }
+
+    private String createOfPortInterface(Port port) {
+        Interface inf = createInterface(port);
+        String infName = inf.getName();
+
+        LOG.debug("Creating OFPort Interface {}", infName);
+        InstanceIdentifier interfaceIdentifier = NeutronvpnUtils.buildVlanInterfaceIdentifier(infName);
+        try {
+            Optional<Interface> optionalInf = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
+                    interfaceIdentifier);
+            if (!optionalInf.isPresent()) {
+                MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, interfaceIdentifier, inf);
+            } else {
+                LOG.error("Interface {} is already present", infName);
+            }
+        } catch (Exception e) {
+            LOG.error("failed to create interface {} due to the exception {} ", infName, e.getMessage());
+        }
+        return infName;
+    }
+
+    private Interface createInterface(Port port) {
+        String parentRefName = NeutronvpnUtils.uuidToTapPortName(port.getUuid());;
+        String interfaceName = port.getUuid().getValue();
+        IfL2vlan.L2vlanMode l2VlanMode = IfL2vlan.L2vlanMode.Trunk;
+        InterfaceBuilder interfaceBuilder = new InterfaceBuilder();
+        IfL2vlanBuilder ifL2vlanBuilder = new IfL2vlanBuilder();
+        ifL2vlanBuilder.setL2vlanMode(l2VlanMode);
+        ParentRefsBuilder parentRefsBuilder = new ParentRefsBuilder().setParentInterface(parentRefName);
+        interfaceBuilder.setEnabled(true).setName(interfaceName).setType(L2vlan.class).addAugmentation(IfL2vlan
+                .class, ifL2vlanBuilder.build()).addAugmentation(ParentRefs.class, parentRefsBuilder.build());
+        return interfaceBuilder.build();
+    }
+
+    private void deleteOfPortInterface(Port port) {
+        String name = port.getUuid().getValue();
+        LOG.debug("Removing OFPort Interface {}", name);
+        InstanceIdentifier interfaceIdentifier = NeutronvpnUtils.buildVlanInterfaceIdentifier(name);
+        try {
+            Optional<Interface> optionalInf = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
+                    interfaceIdentifier);
+            if (optionalInf.isPresent()) {
+                MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, interfaceIdentifier);
+            } else {
+                LOG.error("Interface {} is not present", name);
+            }
+        } catch (Exception e) {
+            LOG.error("Failed to delete interface {} due to the exception {}", name, e.getMessage());
+        }
+    }
+
+    private void createElanInterface(Port port, String name) {
+        String elanInstanceName = port.getNetworkId().getValue();
+        List<PhysAddress> physAddresses = new ArrayList<>();
+        physAddresses.add(new PhysAddress(port.getMacAddress()));
+
+        InstanceIdentifier<ElanInterface> id = InstanceIdentifier.builder(ElanInterfaces.class).child(ElanInterface
+                .class, new ElanInterfaceKey(name)).build();
+        ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
+                .setName(name).setStaticMacEntries(physAddresses).setKey(new ElanInterfaceKey(name)).build();
+        MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, id, elanInterface);
+        LOG.debug("Creating new ELan Interface {}", elanInterface);
+    }
+
+    // adds port to subnet list and creates vpnInterface
+    private Uuid addPortToSubnets(Port port) {
+        Uuid subnetId = null;
+        Uuid vpnId = null;
+        Subnetmap subnetmap = null;
+        String infName = port.getUuid().getValue();
+        boolean isLockAcquired = false;
+        String lockName = port.getUuid().getValue();
+
+        // find the subnet to which this port is associated
+        FixedIps ip = port.getFixedIps().get(0);
+        String ipValue = ip.getIpAddress().getIpv4Address().getValue();
+        InstanceIdentifier id = NeutronvpnUtils.buildFixedIpToPortNameIdentifier(ipValue);
+        PortFixedipToPortNameBuilder builder = new PortFixedipToPortNameBuilder().setPortFixedip(ipValue)
+                .setPortName(infName);
+        MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, id, builder.build());
+        LOG.debug("fixedIp-name map for neutron port with fixedIp: {}, name: {} added to NeutronPortData DS",
+                ipValue, infName);
+        subnetId = ip.getSubnetId();
+        subnetmap = nvpnManager.updateSubnetNode(subnetId, null, null, null, null, null, port.getUuid());
+        if (subnetmap != null) {
+            vpnId = subnetmap.getVpnId();
+        }
+        if(vpnId != null) {
+            try {
+                isLockAcquired = NeutronvpnUtils.lock(lockManager, lockName);
+                checkAndPublishPortAddNotification(subnetmap.getSubnetIp(), subnetId, port.getUuid());
+                LOG.debug("Port added to subnet notification sent");
+            } catch (Exception e) {
+                LOG.error("Port added to subnet notification failed", e);
+            } finally {
+                if (isLockAcquired) {
+                    NeutronvpnUtils.unlock(lockManager, lockName);
+                }
+            }
         }
+        return vpnId;
+    }
+
+    private Uuid removePortFromSubnets(Port port) {
+        Uuid subnetId = null;
+        Uuid vpnId = null;
+        Subnetmap subnetmap = null;
+        boolean isLockAcquired = false;
+        String lockName = port.getUuid().getValue();
+
+        // find the subnet to which this port is associated
+        FixedIps ip = port.getFixedIps().get(0);
+        String ipValue = ip.getIpAddress().getIpv4Address().getValue();
+        InstanceIdentifier id = NeutronvpnUtils.buildFixedIpToPortNameIdentifier(ipValue);
+        MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, id);
+        LOG.debug("fixedIp-name map for neutron port with fixedIp: {} deleted from NeutronPortData DS", ipValue);
+        subnetId = ip.getSubnetId();
+        subnetmap = nvpnManager.removeFromSubnetNode(subnetId, null, null, null, port.getUuid());
+        if (subnetmap != null) {
+            vpnId = subnetmap.getVpnId();
+        }
+        if(vpnId != null) {
+            try {
+                isLockAcquired = NeutronvpnUtils.lock(lockManager, lockName);
+                checkAndPublishPortRemoveNotification(subnetmap.getSubnetIp(), subnetId, port.getUuid());
+                LOG.debug("Port removed from subnet notification sent");
+            } catch (Exception e) {
+                LOG.error("Port removed from subnet notification failed", e);
+            } finally {
+                if (isLockAcquired) {
+                    NeutronvpnUtils.unlock(lockManager, lockName);
+                }
+            }
+        }
+        return vpnId;
+    }
+
+    private void checkAndPublishPortAddNotification(String subnetIp, Uuid subnetId, Uuid portId)throws InterruptedException{
+        PortAddedToSubnetBuilder builder = new PortAddedToSubnetBuilder();
+
+        LOG.info("publish notification called");
+
+        builder.setSubnetIp(subnetIp);
+        builder.setSubnetId(subnetId);
+        builder.setPortId(portId);
+
+        notificationPublishService.putNotification(builder.build());
+    }
+
+    private void checkAndPublishPortRemoveNotification(String subnetIp, Uuid subnetId, Uuid portId)throws InterruptedException{
+        PortRemovedFromSubnetBuilder builder = new PortRemovedFromSubnetBuilder();
+
+        LOG.info("publish notification called");
+
+        builder.setPortId(portId);
+        builder.setSubnetIp(subnetIp);
+        builder.setSubnetId(subnetId);
+
+        notificationPublishService.putNotification(builder.build());
     }
 }