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 com.cloud.ha;
  
  import com.cloud.agent.AgentManager;
  import com.cloud.agent.api.FenceAnswer;
  import com.cloud.agent.api.FenceCommand;
  import com.cloud.alert.AlertManager;
  import com.cloud.exception.AgentUnavailableException;
  import com.cloud.exception.OperationTimedoutException;
  import com.cloud.host.HostVO;
  import com.cloud.host.Status;
  import com.cloud.host.dao.HostDao;
  import com.cloud.hypervisor.Hypervisor.HypervisorType;
  import com.cloud.resource.ResourceManager;
  import com.cloud.vm.VirtualMachine;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.mockito.ArgumentMatchers;
  import org.mockito.Mock;
  import org.mockito.Mockito;
  import org.mockito.junit.MockitoJUnitRunner;
  
  import java.util.Arrays;
  import java.util.Collections;
  
  @RunWith(MockitoJUnitRunner.class)
  public class KVMFencerTest {
  
      @Mock
      HostDao hostDao;
      @Mock
      AgentManager agentManager;
      @Mock
      AlertManager alertMgr;
      @Mock
      ResourceManager resourceManager;
  
      KVMFencer fencer;
  
      @Before
      public void setup() {
          fencer = new KVMFencer();
          fencer._agentMgr = agentManager;
          fencer._alertMgr = alertMgr;
          fencer._hostDao = hostDao;
          fencer._resourceMgr = resourceManager;
      }
  
      @Test
      public void testWithSingleHost() {
          HostVO host = Mockito.mock(HostVO.class);
          Mockito.when(host.getClusterId()).thenReturn(1l);
          Mockito.when(host.getHypervisorType()).thenReturn(HypervisorType.KVM);
          Mockito.when(host.getDataCenterId()).thenReturn(1l);
          Mockito.when(host.getPodId()).thenReturn(1l);
          Mockito.when(host.getStatus()).thenReturn(Status.Up);
          Mockito.when(host.getId()).thenReturn(1l);
          VirtualMachine virtualMachine = Mockito.mock(VirtualMachine.class);
  
          Mockito.when(resourceManager.listAllHostsInCluster(1l)).thenReturn(Collections.singletonList(host));
          Assert.assertFalse(fencer.fenceOff(virtualMachine, host));
      }
  
      @Test
      public void testWithSingleHostDown() {
          HostVO host = Mockito.mock(HostVO.class);
          Mockito.when(host.getClusterId()).thenReturn(1l);
          Mockito.when(host.getHypervisorType()).thenReturn(HypervisorType.KVM);
          Mockito.when(host.getDataCenterId()).thenReturn(1l);
          Mockito.when(host.getPodId()).thenReturn(1l);
          Mockito.when(host.getStatus()).thenReturn(Status.Down);
          Mockito.when(host.getId()).thenReturn(1l);
          VirtualMachine virtualMachine = Mockito.mock(VirtualMachine.class);
  
          Mockito.when(resourceManager.listAllHostsInCluster(1l)).thenReturn(Collections.singletonList(host));
          Assert.assertFalse(fencer.fenceOff(virtualMachine, host));
      }
  
      @Test
      public void testWithHosts() throws AgentUnavailableException, OperationTimedoutException {
          HostVO host = Mockito.mock(HostVO.class);
          Mockito.when(host.getClusterId()).thenReturn(1l);
          Mockito.when(host.getHypervisorType()).thenReturn(HypervisorType.KVM);
          Mockito.when(host.getStatus()).thenReturn(Status.Up);
          Mockito.lenient().when(host.getDataCenterId()).thenReturn(1l);
          Mockito.lenient().when(host.getPodId()).thenReturn(1l);
          Mockito.when(host.getId()).thenReturn(1l);
  
          HostVO secondHost = Mockito.mock(HostVO.class);
          Mockito.lenient().when(secondHost.getClusterId()).thenReturn(1l);
          Mockito.when(secondHost.getHypervisorType()).thenReturn(HypervisorType.KVM);
          Mockito.when(secondHost.getStatus()).thenReturn(Status.Up);
          Mockito.lenient().when(secondHost.getDataCenterId()).thenReturn(1l);
          Mockito.lenient().when(secondHost.getPodId()).thenReturn(1l);
          Mockito.when(host.getId()).thenReturn(2l);
  
          VirtualMachine virtualMachine = Mockito.mock(VirtualMachine.class);
  
          Mockito.when(resourceManager.listAllHostsInCluster(1l)).thenReturn(Arrays.asList(host, secondHost));
  
          FenceAnswer answer = new FenceAnswer(null, true, "ok");
          Mockito.when(agentManager.send(ArgumentMatchers.anyLong(), ArgumentMatchers.any(FenceCommand.class))).thenReturn(answer);
  
          Assert.assertTrue(fencer.fenceOff(virtualMachine, host));
      }
  
      @Test
      public void testWithFailingFence() throws AgentUnavailableException, OperationTimedoutException {
          HostVO host = Mockito.mock(HostVO.class);
          Mockito.when(host.getClusterId()).thenReturn(1l);
          Mockito.when(host.getHypervisorType()).thenReturn(HypervisorType.KVM);
          Mockito.when(host.getStatus()).thenReturn(Status.Up);
          Mockito.when(host.getDataCenterId()).thenReturn(1l);
          Mockito.when(host.getPodId()).thenReturn(1l);
          Mockito.when(host.getId()).thenReturn(1l);
  
          HostVO secondHost = Mockito.mock(HostVO.class);
          Mockito.lenient().when(secondHost.getClusterId()).thenReturn(1l);
          Mockito.when(secondHost.getHypervisorType()).thenReturn(HypervisorType.KVM);
          Mockito.when(secondHost.getStatus()).thenReturn(Status.Up);
          Mockito.lenient().when(secondHost.getDataCenterId()).thenReturn(1l);
          Mockito.lenient().when(secondHost.getPodId()).thenReturn(1l);
          Mockito.when(host.getId()).thenReturn(2l);
  
          VirtualMachine virtualMachine = Mockito.mock(VirtualMachine.class);
  
          Mockito.when(resourceManager.listAllHostsInCluster(1l)).thenReturn(Arrays.asList(host, secondHost));
  
          Mockito.when(agentManager.send(ArgumentMatchers.anyLong(), ArgumentMatchers.any(FenceCommand.class))).thenThrow(new AgentUnavailableException(2l));
  
          Assert.assertFalse(fencer.fenceOff(virtualMachine, host));
      }
  
      @Test
      public void testWithTimeoutingFence() throws AgentUnavailableException, OperationTimedoutException {
          HostVO host = Mockito.mock(HostVO.class);
          Mockito.when(host.getClusterId()).thenReturn(1l);
          Mockito.when(host.getHypervisorType()).thenReturn(HypervisorType.KVM);
          Mockito.when(host.getStatus()).thenReturn(Status.Up);
          Mockito.when(host.getDataCenterId()).thenReturn(1l);
          Mockito.when(host.getPodId()).thenReturn(1l);
          Mockito.when(host.getId()).thenReturn(1l);
  
          HostVO secondHost = Mockito.mock(HostVO.class);
          Mockito.lenient().when(secondHost.getClusterId()).thenReturn(1l);
          Mockito.when(secondHost.getHypervisorType()).thenReturn(HypervisorType.KVM);
          Mockito.when(secondHost.getStatus()).thenReturn(Status.Up);
          Mockito.lenient().when(secondHost.getDataCenterId()).thenReturn(1l);
          Mockito.lenient().when(secondHost.getPodId()).thenReturn(1l);
          Mockito.when(host.getId()).thenReturn(2l);
  
          VirtualMachine virtualMachine = Mockito.mock(VirtualMachine.class);
  
          Mockito.when(resourceManager.listAllHostsInCluster(1l)).thenReturn(Arrays.asList(host, secondHost));
  
          Mockito.when(agentManager.send(ArgumentMatchers.anyLong(), ArgumentMatchers.any(FenceCommand.class))).thenThrow(new OperationTimedoutException(null, 2l, 0l, 0, false));
  
          Assert.assertFalse(fencer.fenceOff(virtualMachine, host));
      }
  
      @Test
      public void testWithSingleNotKVM() {
          HostVO host = Mockito.mock(HostVO.class);
          Mockito.lenient().when(host.getClusterId()).thenReturn(1l);
          Mockito.when(host.getHypervisorType()).thenReturn(HypervisorType.Any);
          Mockito.lenient().when(host.getStatus()).thenReturn(Status.Down);
          Mockito.lenient().when(host.getId()).thenReturn(1l);
          Mockito.lenient().when(host.getDataCenterId()).thenReturn(1l);
          Mockito.lenient().when(host.getPodId()).thenReturn(1l);
          VirtualMachine virtualMachine = Mockito.mock(VirtualMachine.class);
  
          Mockito.lenient().when(resourceManager.listAllHostsInCluster(1l)).thenReturn(Collections.singletonList(host));
          Assert.assertNull(fencer.fenceOff(virtualMachine, host));
      }
  
  }
  