Bug 7805 - Implement agent RPCs for shard leader movement testing

[controller.git] / opendaylight / md-sal / samples / clustering-test-app / provider / src / main / java / org / opendaylight / controller / clustering / it / provider / impl / PrefixLeaderHandler.java

diff --git a/opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/provider/impl/PrefixLeaderHandler.java b/opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/provider/impl/PrefixLeaderHandler.java
new file mode 100644 (file)
index 0000000..f62ca36
--- /dev/null
+++ b/opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/provider/impl/PrefixLeaderHandler.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2017 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.clustering.it.provider.impl;
+
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import java.util.Collections;
+import java.util.concurrent.CompletionStage;
+import org.opendaylight.controller.cluster.dom.api.CDSDataTreeProducer;
+import org.opendaylight.controller.cluster.dom.api.CDSShardAccess;
+import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeService;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.BecomePrefixLeaderInput;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class PrefixLeaderHandler {
+
+    private static final Logger LOG = LoggerFactory.getLogger(PrefixLeaderHandler.class);
+
+    private final DOMDataTreeService domDataTreeService;
+    private final BindingNormalizedNodeSerializer serializer;
+
+    public PrefixLeaderHandler(final DOMDataTreeService domDataTreeService,
+                               final BindingNormalizedNodeSerializer serializer) {
+        this.domDataTreeService = domDataTreeService;
+        this.serializer = serializer;
+    }
+
+    public ListenableFuture<RpcResult<Void>> makeLeaderLocal(final BecomePrefixLeaderInput input) {
+
+        final YangInstanceIdentifier yid = serializer.toYangInstanceIdentifier(input.getPrefix());
+        final DOMDataTreeIdentifier prefix = new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, yid);
+
+        final CDSDataTreeProducer producer =
+                (CDSDataTreeProducer) domDataTreeService.createProducer(Collections.singleton(prefix));
+
+        final CDSShardAccess shardAccess = producer.getShardAccess(prefix);
+
+        final CompletionStage<Void> completionStage = shardAccess.makeLeaderLocal();
+
+        completionStage.exceptionally(throwable -> {
+            LOG.error("Leader movement failed.", throwable);
+            return null;
+        });
+
+        return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
+    }
+}