Looking for host-id of router port
[groupbasedpolicy.git] / neutron-vpp-mapper / src / main / java / org / opendaylight / groupbasedpolicy / neutron / vpp / mapper / processors / PortHandler.java
index 3c25a8c913e0b9b56c8bd3a157bc08105b0b2501..11d7df4f8f67b7e462fb70248c68f768e5ebe848 100644 (file)
@@ -21,7 +21,6 @@ import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;\r
 import org.opendaylight.controller.md.sal.common.api.data.TransactionChain;\r
 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;\r
-import org.opendaylight.groupbasedpolicy.neutron.vpp.mapper.SocketInfo;\r
 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;\r
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;\r
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;\r
@@ -34,6 +33,8 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gb
 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.base.endpoints.by.ports.BaseEndpointByPort;\r
 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.base.endpoints.by.ports.BaseEndpointByPortKey;\r
 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.Config;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.ExcludeFromPolicy;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.ExcludeFromPolicyBuilder;\r
 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425._interface.attributes._interface.type.choice.LoopbackCase;\r
 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425._interface.attributes._interface.type.choice.LoopbackCaseBuilder;\r
 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425._interface.attributes._interface.type.choice.TapCase;\r
@@ -63,27 +64,32 @@ import org.slf4j.LoggerFactory;
 \r
 import com.google.common.annotations.VisibleForTesting;\r
 import com.google.common.base.Optional;\r
+import com.google.common.base.Strings;\r
 \r
+import javax.annotation.Nonnull;\r
 public class PortHandler implements TransactionChainListener {\r
 \r
-    private static final Logger LOG = LoggerFactory.getLogger(MappingProvider.class);\r
+    private static final Logger LOG = LoggerFactory.getLogger(PortHandler.class);\r
 \r
     private static final String COMPUTE_OWNER = "compute";\r
     private static final String DHCP_OWNER = "dhcp";\r
-    private static final String ROUTER_OWNER = "network:router_interface";\r
+    static final String ROUTER_OWNER = "network:router_interface";\r
     private static final String[] SUPPORTED_DEVICE_OWNERS = {COMPUTE_OWNER, DHCP_OWNER, ROUTER_OWNER};\r
     private static final String VHOST_USER = "vhostuser";\r
+    private static final String UNBOUND = "unbound";\r
     private static final String VPP_INTERFACE_NAME_PREFIX = "neutron_port_";\r
     private static final String TAP_PORT_NAME_PREFIX = "tap";\r
     private static final String RT_PORT_NAME_PREFIX = "qr-";\r
+    private static final String VHOST_SOCKET_KEY = "vhostuser_socket";\r
+    static final String DEFAULT_NODE = "default";\r
 \r
+    private final NodeId routingNode;\r
     private BindingTransactionChain transactionChain;\r
     private DataBroker dataBroker;\r
-    private SocketInfo socketInfo;\r
 \r
-    PortHandler(DataBroker dataBroker, SocketInfo socketInfo) {\r
+    PortHandler(DataBroker dataBroker, NodeId routingNodeId) {\r
         this.dataBroker = dataBroker;\r
-        this.socketInfo = socketInfo;\r
+        this.routingNode = routingNodeId;\r
         transactionChain = this.dataBroker.createTransactionChain(this);\r
     }\r
 \r
@@ -111,8 +117,15 @@ public class PortHandler implements TransactionChainListener {
 \r
     @VisibleForTesting\r
     void processCreatedData(Port port, BaseEndpointByPort bebp) {\r
-        if (isValidVhostUser(port)) {\r
+        if (isValidVhostUser(port)\r
+                // this is a hack for vpp router port\r
+                // Openstack does not send binding details yet\r
+                || isValidVppRouterPort(port)) {\r
             VppEndpoint vppEp = buildVppEndpoint(port, bebp);\r
+            if (vppEp == null) {\r
+                LOG.warn("Cannot create vpp-endpoint from neutron port {}", port);\r
+                return;\r
+            }\r
             writeVppEndpoint(createVppEndpointIid(vppEp.getKey()), vppEp);\r
             LOG.debug("Created vpp-endpoint {}", vppEp);\r
         }\r
@@ -158,18 +171,38 @@ public class PortHandler implements TransactionChainListener {
         processCreated(delta);\r
     }\r
 \r
-    private boolean isUpdateNeeded(Port oldPort, Port newPort) {\r
+    private boolean isUpdateNeeded(final Port oldPort, final Port newPort) {\r
         //TODO fix this to better support update of ports for VPP\r
-        PortBindingExtension oldPortAugmentation = oldPort.getAugmentation(PortBindingExtension.class);\r
-        PortBindingExtension newPortAugmentation = newPort.getAugmentation(PortBindingExtension.class);\r
-\r
-        List<VifDetails> vifDetails = oldPortAugmentation.getVifDetails();\r
+        final PortBindingExtension oldPortAugmentation = oldPort.getAugmentation(PortBindingExtension.class);\r
+        final PortBindingExtension newPortAugmentation = newPort.getAugmentation(PortBindingExtension.class);\r
 \r
         if (newPortAugmentation == null) {\r
             LOG.trace("Port {} is no longer a vhost type port, updating port...");\r
             return true;\r
         }\r
 \r
+        final String oldDeviceOwner = oldPort.getDeviceOwner();\r
+        final String oldVifType = oldPortAugmentation.getVifType();\r
+        final String newDeviceOwner = newPort.getDeviceOwner();\r
+        final String newVifType = newPortAugmentation.getVifType();\r
+\r
+        // TODO potential bug here\r
+        // Temporary change for Openstack Mitaka: If old neutron-binding:vif-type is vhost, new one is unbound and\r
+        // device owner is ROUTER_OWNER, skip update. Openstack (or ml2) sometimes sends router update messages in\r
+        // incorrect order which causes unwanted port removal\r
+        if (oldVifType.equals(VHOST_USER) && newVifType.equals(UNBOUND) && oldDeviceOwner != null &&\r
+                ROUTER_OWNER.equals(oldDeviceOwner) && ROUTER_OWNER.equals(newDeviceOwner)) {\r
+            LOG.warn("Port vif-type was updated from vhost to unbound. This update is currently disabled and will be skipped");\r
+            return false;\r
+        }\r
+\r
+        if (newVifType != null && !newVifType.equals(oldVifType)) {\r
+            LOG.trace("Vif type changed, old: {} new {}", oldVifType, newVifType);\r
+            return true;\r
+        }\r
+\r
+        final List<VifDetails> vifDetails = oldPortAugmentation.getVifDetails();\r
+\r
         if (!oldPortAugmentation.getHostId().equals(newPortAugmentation.getHostId()) ||\r
             nullToEmpty(vifDetails).size() != nullToEmpty(newPortAugmentation.getVifDetails()).size()) {\r
             return true;\r
@@ -218,8 +251,8 @@ public class PortHandler implements TransactionChainListener {
             .setVppInterfaceName(VPP_INTERFACE_NAME_PREFIX + bebp.getPortId().getValue())\r
             .setVppNodeId(new NodeId(portBinding.getHostId()));\r
         if (port.getDeviceOwner().contains(COMPUTE_OWNER)) {\r
-            String socket = socketInfo.getSocketPath() + socketInfo.getSocketPrefix() + bebp.getPortId().getValue();\r
-            vppEpBuilder.setInterfaceTypeChoice(new VhostUserCaseBuilder().setSocket(socket).build());\r
+            vppEpBuilder.setInterfaceTypeChoice(\r
+                new VhostUserCaseBuilder().setSocket(getSocketFromPortBinding(portBinding)).build());\r
         } else if (port.getDeviceOwner().contains(DHCP_OWNER) && port.getMacAddress() != null) {\r
             TapCase tapCase = new TapCaseBuilder().setPhysicalAddress(new PhysAddress(port.getMacAddress().getValue()))\r
                 .setName(createPortName(port.getUuid()))\r
@@ -230,12 +263,58 @@ public class PortHandler implements TransactionChainListener {
                     .setName(createQRouterPortName(port.getUuid()))\r
                     .build();\r
             vppEpBuilder.setInterfaceTypeChoice(tapCase);\r
+            vppEpBuilder.addAugmentation(ExcludeFromPolicy.class,\r
+                    new ExcludeFromPolicyBuilder().setExcludeFromPolicy(true).build());\r
         } else if (isValidVppRouterPort(port)) {\r
+            if (!DEFAULT_NODE.equals(routingNode.getValue())) {\r
+                LOG.warn(\r
+                        "Host-id changed by ODL for port {}. This is a supplementary workaround for choosing a routing node.",\r
+                        port);\r
+                vppEpBuilder.setVppNodeId(routingNode);\r
+            } else if (port.getDeviceId() != null) {\r
+                LOG.debug("Resolving host-id for unbound router port {}", port.getUuid());\r
+                ReadOnlyTransaction readTx = dataBroker.newReadOnlyTransaction();\r
+                Optional<Ports> optPorts = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,\r
+                        InstanceIdentifier.builder(Neutron.class).child(Ports.class).build(), readTx);\r
+                readTx.close();\r
+                if (optPorts.isPresent() && optPorts.get().getPort() != null) {\r
+                    java.util.Optional<Port> optPortOnTheSameNode = optPorts.get()\r
+                        .getPort()\r
+                        .stream()\r
+                        .filter(p -> !p.getUuid().equals(port.getUuid()))\r
+                        .filter(p -> p.getAugmentation(PortBindingExtension.class) != null)\r
+                        .filter(p -> p.getDeviceOwner().contains(DHCP_OWNER))\r
+                        .findFirst();\r
+                    if (optPortOnTheSameNode.isPresent()) {\r
+                        PortBindingExtension binding =\r
+                                optPortOnTheSameNode.get().getAugmentation(PortBindingExtension.class);\r
+                        if (binding != null && binding.getHostId() != null) {\r
+                            vppEpBuilder.setVppNodeId(new NodeId(binding.getHostId()));\r
+                        } else {\r
+                            LOG.warn("Cannot resolve location of router-port {}", port.getUuid());\r
+                            return null;\r
+                        }\r
+                    }\r
+                }\r
+            }\r
+            vppEpBuilder.addAugmentation(ExcludeFromPolicy.class,\r
+                    new ExcludeFromPolicyBuilder().setExcludeFromPolicy(true).build());\r
             vppEpBuilder.setInterfaceTypeChoice(getLoopbackCase(port));\r
         }\r
         return vppEpBuilder.build();\r
     }\r
 \r
+    private String getSocketFromPortBinding(@Nonnull PortBindingExtension portBindingExtension) {\r
+        List<VifDetails> vifDetails = nullToEmpty(portBindingExtension.getVifDetails());\r
+\r
+        for (VifDetails detail : vifDetails) {\r
+            if (VHOST_SOCKET_KEY.equalsIgnoreCase(detail.getDetailsKey())) {\r
+                return detail.getValue();\r
+            }\r
+        }\r
+        return null;\r
+    }\r
+\r
     private LoopbackCase getLoopbackCase(Port port) {\r
         LoopbackCaseBuilder loopbackCase = new LoopbackCaseBuilder()\r
             .setPhysAddress(new PhysAddress(port.getMacAddress().getValue()));\r
@@ -283,6 +362,9 @@ public class PortHandler implements TransactionChainListener {
     }\r
 \r
     private Optional<Router> getRouterOptional(Port port) {\r
+        if (Strings.isNullOrEmpty(port.getDeviceId())) {\r
+            return Optional.absent();\r
+        }\r
         ReadOnlyTransaction rTx = transactionChain.newReadOnlyTransaction();\r
         InstanceIdentifier<Router> routerIid = InstanceIdentifier.builder(Neutron.class)\r
             .child(Routers.class)\r