interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/renderer/ovs/statehelpers/OvsInterfaceStateRemoveHelper.java

   1 /*
   2  * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.genius.interfacemanager.renderer.ovs.statehelpers;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.genius.interfacemanager.IfmUtil;
  15 import org.opendaylight.genius.interfacemanager.commons.AlivenessMonitorUtils;
  16 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  17 import org.opendaylight.genius.interfacemanager.commons.InterfaceMetaUtils;
  18 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  19 import org.opendaylight.genius.mdsalutil.NwConstants;
  20 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.alivenessmonitor.rev160411.AlivenessMonitorService;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info.InterfaceParentEntry;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info.InterfaceParentEntryKey;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfTunnel;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 import java.math.BigInteger;
  37 import java.util.ArrayList;
  38 import java.util.List;
  39
  40 public class OvsInterfaceStateRemoveHelper {
  41     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceStateRemoveHelper.class);
  42
  43     public static List<ListenableFuture<Void>> removeState(IdManagerService idManager, IMdsalApiManager mdsalApiManager,
  44                                                            AlivenessMonitorService alivenessMonitorService,
  45                                                            InstanceIdentifier<FlowCapableNodeConnector> key,
  46                                                            DataBroker dataBroker, String portName, FlowCapableNodeConnector fcNodeConnectorOld) {
  47         LOG.debug("Removing interface-state for port: {}", portName);
  48         List<ListenableFuture<Void>> futures = new ArrayList<>();
  49         WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  50
  51         InstanceIdentifier<Interface> ifStateId = IfmUtil.buildStateInterfaceId(portName);
  52
  53         // delete the port entry from interface operational DS
  54         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface interfaceState =
  55                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(portName, dataBroker);
  56         transaction.delete(LogicalDatastoreType.OPERATIONAL, ifStateId);
  57
  58         InterfaceKey interfaceKey = new InterfaceKey(portName);
  59         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
  60                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
  61
  62         NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
  63         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
  64         // If this interface is a tunnel interface, remove the tunnel ingress flow and stop lldp monitoring
  65         if(iface != null) {
  66             IfTunnel tunnel = iface.getAugmentation(IfTunnel.class);
  67             if (tunnel != null) {
  68                 long portNo = Long.valueOf(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
  69                 InterfaceManagerCommonUtils.makeTunnelIngressFlow(futures, mdsalApiManager, tunnel, dpId, portNo, iface, -1,
  70                         NwConstants.DEL_FLOW);
  71                 futures.add(transaction.submit());
  72                 AlivenessMonitorUtils.stopLLDPMonitoring(alivenessMonitorService, dataBroker, iface);
  73                 return futures;
  74             }
  75         }
  76
  77         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(portName);
  78         InterfaceParentEntry interfaceParentEntry =
  79                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryKey, dataBroker);
  80         if (interfaceParentEntry == null || interfaceParentEntry.getInterfaceChildEntry() == null) {
  81             futures.add(transaction.submit());
  82             return futures;
  83         }
  84
  85         //FIXME: If the no. of child entries exceeds 100, perform txn updates in batches of 100.
  86         InterfaceChildEntry higherlayerChild = interfaceParentEntry.getInterfaceChildEntry().get(0);
  87         InstanceIdentifier<Interface>
  88                 higerLayerChildIfStateId = IfmUtil.buildStateInterfaceId(higherlayerChild.getChildInterface());
  89         Interface higherLayerIfChildState = InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(higherlayerChild.getChildInterface(), dataBroker);
  90         if (interfaceState != null && higherLayerIfChildState != null) {
  91             transaction.delete(LogicalDatastoreType.OPERATIONAL, higerLayerChildIfStateId);
  92             FlowBasedServicesUtils.removeIngressFlow(higherLayerIfChildState.getName(), dpId, transaction);
  93         }
  94         // If this interface maps to a Vlan trunk entity, operational states of all the vlan-trunk-members
  95         // should also be created here.
  96         InterfaceParentEntryKey higherLayerParentEntryKey = new InterfaceParentEntryKey(higherlayerChild.getChildInterface());
  97         InterfaceParentEntry higherLayerParent =
  98                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(higherLayerParentEntryKey, dataBroker);
  99
 100         if(higherLayerParent != null && higherLayerParent.getInterfaceChildEntry() != null) {
 101             for (InterfaceChildEntry interfaceChildEntry : higherLayerParent.getInterfaceChildEntry()) {
 102                 InstanceIdentifier<Interface> ifChildStateId =
 103                         IfmUtil.buildStateInterfaceId(interfaceChildEntry.getChildInterface());
 104                 Interface childInterfaceState = InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(interfaceChildEntry.getChildInterface(), dataBroker);
 105                 if (childInterfaceState != null) {
 106                     transaction.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
 107                     FlowBasedServicesUtils.removeIngressFlow(childInterfaceState.getName(), dpId, transaction);
 108                 }
 109             }
 110         }
 111
 112
 113        /* Below code will be needed if we want to update the vlan-trunk in the of-port.
 114        NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
 115         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
 116
 117         BridgeRefEntryKey BridgeRefEntryKey = new BridgeRefEntryKey(dpId);
 118         InstanceIdentifier<BridgeRefEntry> dpnBridgeEntryIid =
 119                 InterfaceMetaUtils.getBridgeRefEntryIdentifier(BridgeRefEntryKey);
 120         BridgeRefEntry bridgeRefEntry =
 121                 InterfaceMetaUtils.getBridgeRefEntryFromOperDS(dpnBridgeEntryIid, dataBroker);
 122         if (bridgeRefEntry == null) {
 123             futures.add(t.submit());
 124             return futures;
 125         }
 126
 127         InstanceIdentifier<?> bridgeIid = bridgeRefEntry.getBridgeReference().getValue();
 128         InstanceIdentifier<TerminationPoint> tpIid = SouthboundUtils.createTerminationPointInstanceIdentifier(
 129                 InstanceIdentifier.keyOf(bridgeIid.firstIdentifierOf(Node.class)), interfaceOld.getName());
 130         t.delete(LogicalDatastoreType.CONFIGURATION, tpIid); */
 131
 132         futures.add(transaction.submit());
 133         return futures;
 134     }
 135 }