Fix eos entity lookups with YangInstanceIdentifier
[controller.git] / opendaylight / md-sal / eos-dom-akka / src / main / java / org / opendaylight / controller / eos / akka / owner / supervisor / OwnerSupervisor.java
index 5210f43dc66cbb9ade382f301cd8c42a2ca9844f..f66f25aa821d2267cc18633b9752e626171da23f 100644 (file)
@@ -7,6 +7,9 @@
  */
 package org.opendaylight.controller.eos.akka.owner.supervisor;
 
+import static com.google.common.base.Verify.verifyNotNull;
+import static java.util.Objects.requireNonNull;
+
 import akka.actor.typed.ActorRef;
 import akka.actor.typed.Behavior;
 import akka.actor.typed.javadsl.AbstractBehavior;
@@ -14,6 +17,7 @@ import akka.actor.typed.javadsl.ActorContext;
 import akka.actor.typed.javadsl.Behaviors;
 import akka.actor.typed.javadsl.Receive;
 import akka.cluster.ClusterEvent;
+import akka.cluster.ClusterEvent.CurrentClusterState;
 import akka.cluster.Member;
 import akka.cluster.ddata.LWWRegister;
 import akka.cluster.ddata.LWWRegisterKey;
@@ -33,13 +37,13 @@ import com.google.common.collect.Sets;
 import java.time.Duration;
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.function.BiPredicate;
 import java.util.stream.Collectors;
+import java.util.stream.StreamSupport;
 import org.opendaylight.controller.eos.akka.owner.supervisor.command.AbstractEntityRequest;
 import org.opendaylight.controller.eos.akka.owner.supervisor.command.CandidatesChanged;
 import org.opendaylight.controller.eos.akka.owner.supervisor.command.DataCenterDeactivated;
@@ -57,6 +61,7 @@ import org.opendaylight.controller.eos.akka.owner.supervisor.command.MemberUpEve
 import org.opendaylight.controller.eos.akka.owner.supervisor.command.OwnerChanged;
 import org.opendaylight.controller.eos.akka.owner.supervisor.command.OwnerSupervisorCommand;
 import org.opendaylight.controller.eos.akka.registry.candidate.CandidateRegistry;
+import org.opendaylight.mdsal.binding.dom.codec.api.BindingInstanceIdentifierCodec;
 import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -96,10 +101,14 @@ public final class OwnerSupervisor extends AbstractBehavior<OwnerSupervisorComma
     private final BiPredicate<DOMEntity, String> reassignPredicate = (entity, candidate) ->
             !isActiveCandidate(candidate) || !isCandidateFor(entity, candidate);
 
+    private final BindingInstanceIdentifierCodec iidCodec;
+
     private OwnerSupervisor(final ActorContext<OwnerSupervisorCommand> context,
                             final Map<DOMEntity, Set<String>> currentCandidates,
-                            final Map<DOMEntity, String> currentOwners) {
+                            final Map<DOMEntity, String> currentOwners,
+                            final BindingInstanceIdentifierCodec iidCodec) {
         super(context);
+        this.iidCodec = requireNonNull(iidCodec);
 
         final DistributedData distributedData = DistributedData.get(context.getSystem());
         final ActorRef<Replicator.Command> replicator = distributedData.replicator();
@@ -149,8 +158,8 @@ public final class OwnerSupervisor extends AbstractBehavior<OwnerSupervisorComma
     }
 
     public static Behavior<OwnerSupervisorCommand> create(final Map<DOMEntity, Set<String>> currentCandidates,
-                                                          final Map<DOMEntity, String> currentOwners) {
-        return Behaviors.setup(ctx -> new OwnerSupervisor(ctx, currentCandidates, currentOwners));
+            final Map<DOMEntity, String> currentOwners, final BindingInstanceIdentifierCodec iidCodec) {
+        return Behaviors.setup(ctx -> new OwnerSupervisor(ctx, currentCandidates, currentOwners, iidCodec));
     }
 
     @Override
@@ -172,7 +181,7 @@ public final class OwnerSupervisor extends AbstractBehavior<OwnerSupervisorComma
     private Behavior<OwnerSupervisorCommand> onDeactivateDatacenter(final DeactivateDataCenter command) {
         LOG.debug("Deactivating Owner Supervisor on {}", cluster.selfMember());
         command.getReplyTo().tell(DataCenterDeactivated.INSTANCE);
-        return IdleSupervisor.create();
+        return IdleSupervisor.create(iidCodec);
     }
 
     private Behavior<OwnerSupervisorCommand> onOwnerChanged(final OwnerChanged command) {
@@ -234,7 +243,7 @@ public final class OwnerSupervisor extends AbstractBehavior<OwnerSupervisorComma
             return;
         }
 
-        final Set<String> currentlyPresent = currentCandidates.getOrDefault(entity, Collections.emptySet());
+        final Set<String> currentlyPresent = currentCandidates.getOrDefault(entity, Set.of());
         final Set<String> difference = ImmutableSet.copyOf(Sets.symmetricDifference(currentlyPresent, candidates));
 
         LOG.debug("currently present candidates: {}", currentlyPresent);
@@ -297,7 +306,7 @@ public final class OwnerSupervisor extends AbstractBehavior<OwnerSupervisorComma
     }
 
     private boolean isCandidateFor(final DOMEntity entity, final String candidate) {
-        return currentCandidates.getOrDefault(entity, Collections.emptySet()).contains(candidate);
+        return currentCandidates.getOrDefault(entity, Set.of()).contains(candidate);
     }
 
     private void assignOwnerFor(final DOMEntity entity) {
@@ -413,25 +422,31 @@ public final class OwnerSupervisor extends AbstractBehavior<OwnerSupervisorComma
     }
 
     private Set<String> getActiveMembers() {
-        final Set<String> members = new HashSet<>();
-        cluster.state().getMembers().forEach(member -> members.add(extractRole(member)));
-        // filter out unreachable
-        members.removeAll(cluster.state().getUnreachable().stream()
-                .map(OwnerSupervisor::extractRole)
-                .collect(Collectors.toSet()));
-
-        // filter out members not from our datacenter
-        cluster.state().getMembers().forEach(member -> {
-            if (!member.roles().contains(dataCenter)) {
-                members.remove(extractRole(member));
-            }
-        });
-
-        return members;
+        final CurrentClusterState clusterState = cluster.state();
+        final Set<String> unreachableRoles = clusterState.getUnreachable().stream()
+            .map(OwnerSupervisor::extractRole)
+            .collect(Collectors.toSet());
+
+        return StreamSupport.stream(clusterState.getMembers().spliterator(), false)
+            // We are evaluating the set of roles for each member
+            .map(Member::getRoles)
+            // Filter out any members which do not share our dataCenter
+            .filter(roles -> roles.contains(dataCenter))
+            // Find first legal role
+            .map(OwnerSupervisor::extractRole)
+            // filter out unreachable roles
+            .filter(role -> !unreachableRoles.contains(role))
+            .collect(Collectors.toSet());
     }
 
-    private static DOMEntity extractEntity(final AbstractEntityRequest<?> request) {
-        return new DOMEntity(request.getType().getValue(), request.getName().getValue());
+    private DOMEntity extractEntity(final AbstractEntityRequest<?> request) {
+        final var name = request.getName();
+        final var iid = name.getInstanceIdentifier();
+        if (iid != null) {
+            return new DOMEntity(request.getType().getValue(), iidCodec.fromBinding(iid));
+        }
+        final var str = verifyNotNull(name.getString(), "Unhandled entity name %s", name);
+        return new DOMEntity(request.getType().getValue(), str);
     }
 
     private static String extractRole(final Member member) {
@@ -443,7 +458,7 @@ public final class OwnerSupervisor extends AbstractBehavior<OwnerSupervisorComma
                 .findFirst().orElseThrow(() -> new IllegalArgumentException("No valid role found."));
     }
 
-    private String extractDatacenterRole(final Member member) {
+    private static String extractDatacenterRole(final Member member) {
         return member.getRoles().stream().filter(role -> role.startsWith(DATACENTER_PREFIX))
                 .findFirst().orElseThrow(() -> new IllegalArgumentException("No valid role found."));
     }