| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.internal; |
| |
| import java.io.Serializable; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.cluster.ClusterNode; |
| import org.apache.ignite.compute.ComputeJob; |
| import org.apache.ignite.compute.ComputeJobAdapter; |
| import org.apache.ignite.compute.ComputeJobResult; |
| import org.apache.ignite.compute.ComputeJobResultPolicy; |
| import org.apache.ignite.compute.ComputeTask; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.resources.IgniteInstanceResource; |
| import org.apache.ignite.spi.failover.FailoverContext; |
| import org.apache.ignite.spi.failover.always.AlwaysFailoverSpi; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.apache.ignite.testframework.junits.common.GridCommonTest; |
| import org.jetbrains.annotations.NotNull; |
| import org.junit.Test; |
| |
| /** |
| * Test failover and topology. It don't pick local node if it has been excluded from topology. |
| */ |
| @GridCommonTest(group = "Kernal Self") |
| public class GridFailoverTopologySelfTest extends GridCommonAbstractTest { |
| /** */ |
| private final AtomicBoolean failed = new AtomicBoolean(false); |
| |
| /** */ |
| public GridFailoverTopologySelfTest() { |
| super(/*start Grid*/false); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { |
| IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); |
| |
| cfg.setNodeId(null); |
| |
| cfg.setFailoverSpi(new AlwaysFailoverSpi() { |
| /** Ignite instance. */ |
| @IgniteInstanceResource |
| private Ignite ignite; |
| |
| /** {@inheritDoc} */ |
| @Override public ClusterNode failover(FailoverContext ctx, List<ClusterNode> grid) { |
| if (grid.size() != 1) { |
| failed.set(true); |
| |
| error("Unexpected grid size [expected=1, grid=" + grid + ']'); |
| } |
| |
| UUID locNodeId = ignite.configuration().getNodeId(); |
| |
| for (ClusterNode node : grid) { |
| if (node.id().equals(locNodeId)) { |
| failed.set(true); |
| |
| error("Grid shouldn't contain local node [localNodeId=" + locNodeId + ", grid=" + grid + ']'); |
| } |
| } |
| |
| return super.failover(ctx, grid); |
| } |
| }); |
| |
| return cfg; |
| } |
| |
| /** |
| * Tests that failover don't pick local node if it has been excluded from topology. |
| * |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testFailoverTopology() throws Exception { |
| try { |
| Ignite ignite1 = startGrid(1); |
| |
| startGrid(2); |
| |
| ignite1.compute().localDeployTask(JobFailTask.class, JobFailTask.class.getClassLoader()); |
| |
| try { |
| compute(ignite1.cluster().forRemotes()).execute(JobFailTask.class, null); |
| } |
| catch (IgniteException e) { |
| info("Got expected grid exception: " + e); |
| } |
| |
| assert !failed.get(); |
| } |
| finally { |
| stopGrid(1); |
| stopGrid(2); |
| } |
| } |
| |
| /** */ |
| private static class JobFailTask implements ComputeTask<String, Object> { |
| /** Ignite instance. */ |
| @IgniteInstanceResource |
| private Ignite ignite; |
| |
| /** */ |
| private boolean jobFailedOver; |
| |
| /** {@inheritDoc} */ |
| @NotNull @Override public Map<? extends ComputeJob, ClusterNode> map(List<ClusterNode> subgrid, String arg) { |
| assert ignite != null; |
| |
| UUID locNodeId = ignite.configuration().getNodeId(); |
| |
| assert locNodeId != null; |
| |
| ClusterNode remoteNode = null; |
| |
| for (ClusterNode node : subgrid) { |
| if (!node.id().equals(locNodeId)) |
| remoteNode = node; |
| } |
| |
| return Collections.singletonMap(new ComputeJobAdapter(arg) { |
| @Override public Serializable execute() { |
| throw new IgniteException("Job exception."); |
| } |
| }, remoteNode); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ComputeJobResultPolicy result(ComputeJobResult res, List<ComputeJobResult> received) { |
| if (res.getException() != null && !jobFailedOver) { |
| jobFailedOver = true; |
| |
| return ComputeJobResultPolicy.FAILOVER; |
| } |
| |
| return ComputeJobResultPolicy.REDUCE; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Object reduce(List<ComputeJobResult> results) { |
| assert results.size() == 1; |
| |
| return results.get(0).getData(); |
| } |
| } |
| } |