cloudscaler/impl/src/main/java/org/opendaylight/genius/cloudscaler/rpcservice/ComputeNodeManager.java

   1 /*
   2  * Copyright (c) 2019 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.cloudscaler.rpcservice;
   9
  10 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  11 import java.util.Map;
  12 import java.util.Objects;
  13 import java.util.Optional;
  14 import java.util.concurrent.ConcurrentHashMap;
  15 import java.util.concurrent.ExecutionException;
  16 import java.util.concurrent.ExecutorService;
  17 import javax.inject.Inject;
  18 import javax.inject.Singleton;
  19 import org.eclipse.jdt.annotation.NonNull;
  20 import org.opendaylight.genius.mdsalutil.cache.InstanceIdDataObjectCache;
  21 import org.opendaylight.infrautils.caches.CacheProvider;
  22 import org.opendaylight.infrautils.utils.concurrent.Executors;
  23 import org.opendaylight.mdsal.binding.api.DataBroker;
  24 import org.opendaylight.mdsal.binding.api.ReadWriteTransaction;
  25 import org.opendaylight.mdsal.binding.util.Datastore.Configuration;
  26 import org.opendaylight.mdsal.binding.util.TypedReadWriteTransaction;
  27 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  28 import org.opendaylight.mdsal.common.api.ReadFailedException;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.cloudscaler.rpcs.rev171220.ComputeNodes;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.cloudscaler.rpcs.rev171220.compute.nodes.ComputeNode;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.cloudscaler.rpcs.rev171220.compute.nodes.ComputeNodeBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.cloudscaler.rpcs.rev171220.compute.nodes.ComputeNodeKey;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigs;
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  40 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  41 import org.opendaylight.yangtools.yang.common.Uint64;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 @Singleton
  46 public class ComputeNodeManager {
  47
  48     private static final Logger LOG = LoggerFactory.getLogger("GeniusEventLogger");
  49
  50     private final DataBroker dataBroker;
  51
  52     private final InstanceIdDataObjectCache<ComputeNode> computeNodeCache;
  53     private final InstanceIdDataObjectCache<Node> ovsdbTopologyNodeCache;
  54     private final Map<Uint64, ComputeNode> dpnIdVsComputeNode;
  55     // FIXME: this service is never shut down
  56     private final ExecutorService executorService = Executors.newSingleThreadExecutor("compute-node-manager", LOG);
  57
  58     @Inject
  59     @SuppressFBWarnings({"URF_UNREAD_FIELD", "NP_LOAD_OF_KNOWN_NULL_VALUE"})
  60     public ComputeNodeManager(DataBroker dataBroker,
  61                               CacheProvider cacheProvider) {
  62         this.dataBroker = dataBroker;
  63         this.dpnIdVsComputeNode = new ConcurrentHashMap<>();
  64         this.computeNodeCache = new InstanceIdDataObjectCache<>(ComputeNode.class, dataBroker,
  65                 LogicalDatastoreType.CONFIGURATION,
  66                 InstanceIdentifier.builder(ComputeNodes.class).child(ComputeNode.class).build(),
  67                 cacheProvider) {
  68             @Override
  69             protected void added(InstanceIdentifier<ComputeNode> path, ComputeNode computeNode) {
  70                 LOG.info("ComputeNodeManager add compute {}", computeNode);
  71                 dpnIdVsComputeNode.put(computeNode.getDpnid(), computeNode);
  72             }
  73
  74             @Override
  75             protected void removed(InstanceIdentifier<ComputeNode> path, ComputeNode computeNode) {
  76                 LOG.info("ComputeNodeManager remove compute {}", computeNode);
  77                 dpnIdVsComputeNode.remove(computeNode.getDpnid());
  78             }
  79         };
  80         this.ovsdbTopologyNodeCache = new InstanceIdDataObjectCache<>(Node.class, dataBroker,
  81                 LogicalDatastoreType.OPERATIONAL,
  82                 getWildcardPath(),
  83                 cacheProvider) {
  84             @Override
  85             @SuppressWarnings("checkstyle:IllegalCatch")
  86             protected void added(InstanceIdentifier<Node> path, Node dataObject) {
  87                 executorService.execute(() -> {
  88                     try {
  89                         add(dataObject);
  90                     } catch (Exception e) {
  91                         LOG.error("ComputeNodeManager Failed to handle ovsdb node add", e);
  92                     }
  93                 });
  94             }
  95         };
  96         //LOG.info("Compute node manager is initialized ");
  97     }
  98
  99     public ComputeNode getComputeNodeFromName(String computeName) throws ReadFailedException {
 100         InstanceIdentifier<ComputeNode> computeIid = buildComputeNodeIid(computeName);
 101         return computeNodeCache.get(computeIid).orElse(null);
 102     }
 103
 104     public void deleteComputeNode(TypedReadWriteTransaction<@NonNull Configuration> tx, ComputeNode computeNode) {
 105         tx.delete(buildComputeNodeIid(computeNode.getComputeName()));
 106     }
 107
 108     public void add(@NonNull Node node) throws ExecutionException, InterruptedException {
 109         OvsdbBridgeAugmentation bridgeAugmentation = node.augmentation(OvsdbBridgeAugmentation.class);
 110         if (bridgeAugmentation != null && bridgeAugmentation.getBridgeOtherConfigs() != null) {
 111             Uint64 datapathid = getDpnIdFromBridge(bridgeAugmentation);
 112             Optional<BridgeOtherConfigs> otherConfigOptional = bridgeAugmentation.getBridgeOtherConfigs().values()
 113                     .stream()
 114                     .filter(otherConfig -> otherConfig.getBridgeOtherConfigKey().equals("dp-desc"))
 115                     .findFirst();
 116             if (!otherConfigOptional.isPresent()) {
 117                 LOG.debug("ComputeNodeManager Compute node name is not present in bridge {}", node.getNodeId());
 118                 return;
 119             }
 120             String computeName = otherConfigOptional.get().getBridgeOtherConfigValue();
 121             String nodeId = node.getNodeId().getValue();
 122             InstanceIdentifier<ComputeNode> computeIid = buildComputeNodeIid(computeName);
 123             ComputeNode computeNode = new ComputeNodeBuilder()
 124                     .setComputeName(computeName)
 125                     .setDpnid(datapathid)
 126                     .setNodeid(nodeId)
 127                     .build();
 128             Optional<ComputeNode> computeNodeOptional = Optional.empty();
 129             try {
 130                 computeNodeOptional = computeNodeCache.get(computeIid);
 131             } catch (ReadFailedException e) {
 132                 LOG.error("ComputeNodeManager Failed to read {}", computeIid);
 133             }
 134             if (computeNodeOptional.isPresent()) {
 135                 logErrorIfComputeNodeIsAlreadyTaken(datapathid, nodeId, computeNodeOptional);
 136             } else {
 137                 LOG.info("ComputeNodeManager add ovsdb node {}", node.getNodeId());
 138                 putComputeDetailsInConfigDatastore(computeIid, computeNode);
 139             }
 140         }
 141     }
 142
 143     public InstanceIdentifier<ComputeNode> buildComputeNodeIid(String computeName) {
 144         return InstanceIdentifier.builder(ComputeNodes.class)
 145                 .child(ComputeNode.class, new ComputeNodeKey(computeName))
 146                 .build();
 147     }
 148
 149     private Uint64 getDpnIdFromBridge(OvsdbBridgeAugmentation bridgeAugmentation) {
 150         if (bridgeAugmentation.getDatapathId() == null) {
 151             return Uint64.ZERO;
 152         }
 153         String datapathIdStr = bridgeAugmentation.getDatapathId().getValue() != null
 154                 ? bridgeAugmentation.getDatapathId().getValue().replace(":", "") : null;
 155         return datapathIdStr != null ? Uint64.valueOf(datapathIdStr, 16) : Uint64.ZERO;
 156     }
 157
 158     public void putComputeDetailsInConfigDatastore(InstanceIdentifier<ComputeNode> computeIid,
 159                                                     ComputeNode computeNode)
 160             throws ExecutionException, InterruptedException {
 161         ReadWriteTransaction tx = dataBroker.newReadWriteTransaction();
 162         tx.put(LogicalDatastoreType.CONFIGURATION, computeIid, computeNode);
 163         tx.commit().get();
 164         dpnIdVsComputeNode.put(computeNode.getDpnid(), computeNode);
 165         //LOG.info("Write comute node details {}", computeNode);
 166     }
 167
 168
 169     private void logErrorIfComputeNodeIsAlreadyTaken(Uint64 datapathid, String nodeId, Optional<ComputeNode> optional) {
 170         ComputeNode existingNode = optional.get();
 171         if (!Objects.equals(existingNode.getNodeid(), nodeId)) {
 172             LOG.error("ComputeNodeManager Compute is already connected by compute {}", existingNode);
 173             return;
 174         }
 175         if (!Objects.equals(existingNode.getDpnid(), datapathid)) {
 176             LOG.error("ComputeNodeManager Compute is already connected by compute {}", existingNode);
 177         }
 178     }
 179
 180     private InstanceIdentifier<Node> getWildcardPath() {
 181         return InstanceIdentifier
 182                 .create(NetworkTopology.class)
 183                 .child(Topology.class, new TopologyKey(new TopologyId("ovsdb:1")))
 184                 .child(Node.class);
 185     }
 186
 187     public ComputeNode getComputeNode(Uint64 dpnId) {
 188         return dpnIdVsComputeNode.get(dpnId);
 189     }
 190 }