content: /*
   * 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.ambari.server.actionmanager;
  
  import static org.easymock.EasyMock.createNiceMock;
  import static org.easymock.EasyMock.createStrictMock;
  import static org.easymock.EasyMock.expect;
  import static org.easymock.EasyMock.replay;
  import static org.easymock.EasyMock.verify;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  
  import java.sql.SQLException;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.List;
  
  import org.apache.ambari.server.AmbariException;
  import org.apache.ambari.server.H2DatabaseCleaner;
  import org.apache.ambari.server.Role;
  import org.apache.ambari.server.RoleCommand;
  import org.apache.ambari.server.agent.CommandReport;
  import org.apache.ambari.server.audit.AuditLogger;
  import org.apache.ambari.server.events.publishers.JPAEventPublisher;
  import org.apache.ambari.server.orm.GuiceJpaInitializer;
  import org.apache.ambari.server.orm.InMemoryDefaultTestModule;
  import org.apache.ambari.server.orm.dao.StageDAO;
  import org.apache.ambari.server.orm.entities.HostRoleCommandEntity;
  import org.apache.ambari.server.orm.entities.StageEntity;
  import org.apache.ambari.server.orm.entities.StageEntityPK;
  import org.apache.ambari.server.state.Clusters;
  import org.apache.ambari.server.state.StackId;
  import org.apache.ambari.server.state.svccomphost.ServiceComponentHostStartEvent;
  import org.apache.ambari.server.utils.CommandUtils;
  import org.apache.ambari.server.utils.StageUtils;
  import org.apache.commons.collections4.CollectionUtils;
  import org.easymock.EasyMock;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Ignore;
  import org.junit.Test;
  
  import com.google.inject.Guice;
  import com.google.inject.Injector;
  import com.google.inject.persist.UnitOfWork;
  
  import junit.framework.Assert;
  
  public class TestActionManager {
  
    private long requestId = 23;
    private long stageId = 31;
    private Injector injector;
    private String hostname = "host1";
    private String clusterName = "cluster1";
  
    private Clusters clusters;
    private UnitOfWork unitOfWork;
    private StageFactory stageFactory;
  
    @Before
    public void setup() throws AmbariException {
      injector = Guice.createInjector(new InMemoryDefaultTestModule());
      H2DatabaseCleaner.resetSequences(injector);
      injector.getInstance(GuiceJpaInitializer.class);
  
      clusters = injector.getInstance(Clusters.class);
      stageFactory = injector.getInstance(StageFactory.class);
  
      clusters.addHost(hostname);
      StackId stackId = new StackId("HDP-0.1");
      clusters.addCluster(clusterName, stackId);
      unitOfWork = injector.getInstance(UnitOfWork.class);
  
      EasyMock.replay(injector.getInstance(AuditLogger.class));
    }
  
    @After
    public void tearDown() throws AmbariException, SQLException {
      H2DatabaseCleaner.clearDatabaseAndStopPersistenceService(injector);
    }
  
    @Test
    public void testActionResponse() throws AmbariException {
      ActionDBAccessor db = injector.getInstance(ActionDBAccessorImpl.class);
      ActionManager am = injector.getInstance(ActionManager.class);
      populateActionDB(db, hostname);
      Stage stage = db.getAllStages(requestId).get(0);
      Assert.assertEquals(stageId, stage.getStageId());
      stage.setHostRoleStatus(hostname, "HBASE_MASTER", HostRoleStatus.QUEUED);
      db.hostRoleScheduled(stage, hostname, "HBASE_MASTER");
      List<CommandReport> reports = new ArrayList<>();
      CommandReport cr = new CommandReport();
      cr.setTaskId(1);
      cr.setActionId(StageUtils.getActionId(requestId, stageId));
      cr.setRole("HBASE_MASTER");
      cr.setStatus("COMPLETED");
      cr.setStdErr("ERROR");
      cr.setStdOut("OUTPUT");
      cr.setStructuredOut("STRUCTURED_OUTPUT");
      cr.setExitCode(215);
      reports.add(cr);
      am.processTaskResponse(hostname, reports, CommandUtils.convertToTaskIdCommandMap(stage.getOrderedHostRoleCommands()));
      assertEquals(215,
          am.getAction(requestId, stageId).getExitCode(hostname, "HBASE_MASTER"));
      assertEquals(HostRoleStatus.COMPLETED, am.getAction(requestId, stageId)
          .getHostRoleStatus(hostname, "HBASE_MASTER"));
      assertEquals(
          "ERROR",
          am.getAction(requestId, stageId)
              .getHostRoleCommand(hostname, "HBASE_MASTER").getStderr());
      assertEquals(
          "OUTPUT",
          am.getAction(requestId, stageId)
              .getHostRoleCommand(hostname, "HBASE_MASTER").getStdout());
      assertEquals(
        "STRUCTURED_OUTPUT",
        am.getAction(requestId, stageId)
          .getHostRoleCommand(hostname, "HBASE_MASTER").getStructuredOut());
      assertNotNull(db.getRequest(requestId));
      assertFalse(db.getRequest(requestId).getEndTime() == -1);
    }
  
    @Test
    public void testActionResponsesUnsorted() throws AmbariException {
      ActionDBAccessor db = injector.getInstance(ActionDBAccessorImpl.class);
      ActionManager am = injector.getInstance(ActionManager.class);
      populateActionDBWithTwoCommands(db, hostname);
      Stage stage = db.getAllStages(requestId).get(0);
      Assert.assertEquals(stageId, stage.getStageId());
      stage.setHostRoleStatus(hostname, "HBASE_MASTER", HostRoleStatus.QUEUED);
      db.hostRoleScheduled(stage, hostname, "HBASE_MASTER");
      List<CommandReport> reports = new ArrayList<>();
      CommandReport cr = new CommandReport();
      cr.setTaskId(2);
      cr.setActionId(StageUtils.getActionId(requestId, stageId));
      cr.setRole("HBASE_REGIONSERVER");
      cr.setStatus("COMPLETED");
      cr.setStdErr("ERROR");
      cr.setStdOut("OUTPUT");
      cr.setStructuredOut("STRUCTURED_OUTPUT");
      cr.setExitCode(215);
      reports.add(cr);
      CommandReport cr2 = new CommandReport();
      cr2.setTaskId(1);
      cr2.setActionId(StageUtils.getActionId(requestId, stageId));
      cr2.setRole("HBASE_MASTER");
      cr2.setStatus("IN_PROGRESS");
      cr2.setStdErr("ERROR");
      cr2.setStdOut("OUTPUT");
      cr2.setStructuredOut("STRUCTURED_OUTPUT");
      cr2.setExitCode(215);
      reports.add(cr2);
      am.processTaskResponse(hostname, reports, CommandUtils.convertToTaskIdCommandMap(am.getTasks(Arrays.asList(new Long[]{1L, 2L}))));
      assertEquals(HostRoleStatus.IN_PROGRESS, am.getAction(requestId, stageId)
          .getHostRoleStatus(hostname, "HBASE_MASTER"));
      assertEquals(HostRoleStatus.PENDING, am.getAction(requestId, stageId)
          .getHostRoleStatus(hostname, "HBASE_REGIONSERVER"));
    }
  
    @Test
    public void testLargeLogs() throws AmbariException {
      ActionDBAccessor db = injector.getInstance(ActionDBAccessorImpl.class);
      ActionManager am = injector.getInstance(ActionManager.class);
      populateActionDB(db, hostname);
      Stage stage = db.getAllStages(requestId).get(0);
      Assert.assertEquals(stageId, stage.getStageId());
      stage.setHostRoleStatus(hostname, "HBASE_MASTER", HostRoleStatus.QUEUED);
      db.hostRoleScheduled(stage, hostname, "HBASE_MASTER");
      List<CommandReport> reports = new ArrayList<>();
      CommandReport cr = new CommandReport();
      cr.setTaskId(1);
      cr.setActionId(StageUtils.getActionId(requestId, stageId));
      cr.setRole("HBASE_MASTER");
      cr.setStatus("COMPLETED");
      String errLog = Arrays.toString(new byte[100000]);
      String outLog = Arrays.toString(new byte[110000]);
      cr.setStdErr(errLog);
      cr.setStdOut(outLog);
      cr.setStructuredOut(outLog);
      cr.setExitCode(215);
      reports.add(cr);
      am.processTaskResponse(hostname, reports, CommandUtils.convertToTaskIdCommandMap(stage.getOrderedHostRoleCommands()));
      assertEquals(215,
          am.getAction(requestId, stageId).getExitCode(hostname, "HBASE_MASTER"));
      assertEquals(HostRoleStatus.COMPLETED, am.getAction(requestId, stageId)
          .getHostRoleStatus(hostname, "HBASE_MASTER"));
      assertEquals(
          errLog.length(),
          am.getAction(requestId, stageId)
              .getHostRoleCommand(hostname, "HBASE_MASTER").getStderr().length());
      assertEquals(
          outLog.length(),
          am.getAction(requestId, stageId)
              .getHostRoleCommand(hostname, "HBASE_MASTER").getStdout().length());
      assertEquals(
          outLog.length(),
          am.getAction(requestId, stageId)
              .getHostRoleCommand(hostname, "HBASE_MASTER").getStructuredOut().length());
    }
  
    private void populateActionDB(ActionDBAccessor db, String hostname) throws AmbariException {
      Stage s = stageFactory.createNew(requestId, "/a/b", "cluster1", 1L, "action manager test", "commandParamsStage", "hostParamsStage");
      s.setStageId(stageId);
      s.addHostRoleExecutionCommand(hostname, Role.HBASE_MASTER,
          RoleCommand.START,
          new ServiceComponentHostStartEvent(Role.HBASE_MASTER.toString(),
              hostname, System.currentTimeMillis()), "cluster1", "HBASE", false, false);
      List<Stage> stages = new ArrayList<>();
      stages.add(s);
      Request request = new Request(stages, "clusterHostInfo", clusters);
      db.persistActions(request);
    }
  
    private void populateActionDBWithTwoCommands(ActionDBAccessor db, String hostname) throws AmbariException {
      Stage s = stageFactory.createNew(requestId, "/a/b", "cluster1", 1L, "action manager test", "commandParamsStage", "hostParamsStage");
      s.setStageId(stageId);
      s.addHostRoleExecutionCommand(hostname, Role.HBASE_MASTER,
          RoleCommand.START,
          new ServiceComponentHostStartEvent(Role.HBASE_MASTER.toString(),
            hostname, System.currentTimeMillis()), "cluster1", "HBASE", false, false);
      s.addHostRoleExecutionCommand(hostname, Role.HBASE_REGIONSERVER,
          RoleCommand.START,
          new ServiceComponentHostStartEvent(Role.HBASE_REGIONSERVER.toString(),
            hostname, System.currentTimeMillis()), "cluster1", "HBASE", false, false);
      List<Stage> stages = new ArrayList<>();
      stages.add(s);
      Request request = new Request(stages, "clusterHostInfo", clusters);
      db.persistActions(request);
    }
  
    // Test failing ... tracked by Jira BUG-4966
    @Ignore
    @Test
    public void testCascadeDeleteStages() throws Exception {
      ActionDBAccessor db = injector.getInstance(ActionDBAccessorImpl.class);
      ActionManager am = injector.getInstance(ActionManager.class);
      populateActionDB(db, hostname);
      assertEquals(1, clusters.getClusters().size());
  
      clusters.getCluster(clusterName);
  
  //    assertEquals(1, am.getRequests(BaseRequest.DEFAULT_PAGE_SIZE).size());
  
      clusters.deleteCluster(clusterName);
  
      assertEquals(0, clusters.getClusters().size());
  //    assertEquals(0, am.getRequests().size());
  
    }
  
    @Test
    public void testGetActions() throws Exception {
      int requestId = 500;
      ActionDBAccessor db = createStrictMock(ActionDBAccessor.class);
      Clusters clusters = createNiceMock(Clusters.class);
      Stage stage1 = createNiceMock(Stage.class);
      Stage stage2 = createNiceMock(Stage.class);
      List<Stage> listStages = new ArrayList<>();
      listStages.add(stage1);
      listStages.add(stage2);
  
      // mock expectations
      expect(db.getLastPersistedRequestIdWhenInitialized()).andReturn(Long.valueOf(1000));
      expect(db.getAllStages(requestId)).andReturn(listStages);
  
      replay(db, clusters);
  
      ActionScheduler actionScheduler = new ActionScheduler(0, 0, db, createNiceMock(JPAEventPublisher.class));
      ActionManager manager = new ActionManager(db, injector.getInstance(RequestFactory.class), actionScheduler);
      assertSame(listStages, manager.getActions(requestId));
  
      verify(db, clusters);
    }
  
    /**
     * Tests whether {@link ActionDBAccessor#persistActions(Request)} associates tasks with their
     * stages.  Improvements to {@code Stage} processing exposed the fact that the association wasn't
     * being made, and JPA didn't know of the Stage-to-Tasks child relationship.
     *
     * @throws Exception
     */
    @Test
    public void testPersistCommandsWithStages() throws Exception {
      ActionDBAccessor db = injector.getInstance(ActionDBAccessorImpl.class);
  
      populateActionDBWithTwoCommands(db, hostname);
  
      List<Stage> stages = db.getAllStages(requestId);
      assertEquals(1, stages.size());
      Stage stage = stages.get(0);
  
      StageEntityPK pk = new StageEntityPK();
      pk.setRequestId(stage.getRequestId());
      pk.setStageId(stage.getStageId());
  
      StageDAO dao = injector.getInstance(StageDAO.class);
      StageEntity stageEntity = dao.findByPK(pk);
      assertNotNull(stageEntity);
  
      Collection<HostRoleCommandEntity> commandEntities = stageEntity.getHostRoleCommands();
      assertTrue(CollectionUtils.isNotEmpty(commandEntities));
    }
  }
  