com.amazonaws.services.ec2.model.TerminateInstancesResult Java Examples

/**
 * Terminate specified instances (power-on the instances).
 *
 * @param instanceIDs
 *            IDs of the instances to terminate
 * @return a list of state changes for the instances
 */
public static List<InstanceStateChange> terminateInstances(final List<String> instanceIDs) {
    // pass any credentials as aws-mock does not authenticate them at all
    AWSCredentials credentials = new BasicAWSCredentials("foo", "bar");
    AmazonEC2Client amazonEC2Client = new AmazonEC2Client(credentials);

    // the mock endpoint for ec2 which runs on your computer
    String ec2Endpoint = "http://localhost:8000/aws-mock/ec2-endpoint/";
    amazonEC2Client.setEndpoint(ec2Endpoint);

    // send the terminate request with args as instance IDs
    TerminateInstancesRequest request = new TerminateInstancesRequest();
    request.withInstanceIds(instanceIDs);
    TerminateInstancesResult result = amazonEC2Client.terminateInstances(request);

    return result.getTerminatingInstances();
}
 

@Test
// Tests that the terminate code works when no matching results are returned by the client
public void testTerminateInstanceNoInstanceEmpty() {
    MockAmazonEc2Client client = new MockAmazonEc2Client(null);
    String instanceId="foo";
    TerminateInstancesResult terminateInstancesResult = new TerminateInstancesResult();
    client.setTerminateInstancesResult(terminateInstancesResult);
    terminateInstancesResult.setTerminatingInstances(CollectionUtils.EMPTY_COLLECTION);
    Properties properties = new Properties();
    String region = "east";
    MockManageVm manageEC2 = new MockManageVm(client,properties,region);

    boolean success = manageEC2.terminateInstance(instanceId);
    TerminateInstancesRequest request = client.getTerminateInstancesRequest();
    Assert.assertEquals("Instance id size should match",1,request.getInstanceIds().size());
    Assert.assertEquals("Instance ids should match", instanceId, request.getInstanceIds().get(0));
    Assert.assertFalse("Termination call should have not been successful", success);
}
 

@Test
// Test terminating instances works correctly
public void testTerminateInstance() {
    MockAmazonEc2Client client = new MockAmazonEc2Client(null);
    String instanceId="foo";
    TerminateInstancesResult terminateInstancesResult = new TerminateInstancesResult();
    client.setTerminateInstancesResult(terminateInstancesResult);
    InstanceStateChange stateChange = new InstanceStateChange();
    stateChange.withInstanceId(instanceId);
    stateChange.setCurrentState(new InstanceState().withCode(32));
    terminateInstancesResult.setTerminatingInstances(Arrays.asList(stateChange));
    Properties properties = new Properties();
    String region = "east";
    MockManageVm manageEC2 = new MockManageVm(client,properties,region);

    boolean success = manageEC2.terminateInstance(instanceId);
    TerminateInstancesRequest request = client.getTerminateInstancesRequest();
    Assert.assertEquals("Instance id size should match", 1, request.getInstanceIds().size());
    Assert.assertEquals("Instance ids should match", instanceId, request.getInstanceIds().get(0));
    Assert.assertTrue("Termination call should have been successful", success);
}
 

@Test
// Tests terminating an invalid instance is handled correctly
public void testTerminateInstanceInvalidRunningCode() {
    MockAmazonEc2Client client = new MockAmazonEc2Client(null);
    String instanceId="foo";
    TerminateInstancesResult terminateInstancesResult = new TerminateInstancesResult();
    client.setTerminateInstancesResult(terminateInstancesResult);
    InstanceStateChange stateChange = new InstanceStateChange();
    stateChange.withInstanceId(instanceId);
    stateChange.setCurrentState(new InstanceState().withCode(8));
    terminateInstancesResult.setTerminatingInstances(Arrays.asList(stateChange));
    Properties properties = new Properties();
    String region = "east";
    MockManageVm manageEC2 = new MockManageVm(client,properties,region);

    boolean success = manageEC2.terminateInstance(instanceId);
    TerminateInstancesRequest request = client.getTerminateInstancesRequest();
    Assert.assertEquals("Instance id size should match", 1, request.getInstanceIds().size());
    Assert.assertEquals("Instance ids should match", instanceId, request.getInstanceIds().get(0));
    Assert.assertFalse("Termination call should have not been successful", success);
}
 

@Test
// Test terminating a valid but not matching instances is handled correctly
public void testTerminateInstanceNoMatchingInstance() {
    MockAmazonEc2Client client = new MockAmazonEc2Client(null);
    String instanceId="foo";
    TerminateInstancesResult terminateInstancesResult = new TerminateInstancesResult();
    client.setTerminateInstancesResult(terminateInstancesResult);
    InstanceStateChange stateChange = new InstanceStateChange();
    stateChange.withInstanceId("notMatching");
    stateChange.setCurrentState(new InstanceState().withCode(8));
    terminateInstancesResult.setTerminatingInstances(Arrays.asList(stateChange));
    Properties properties = new Properties();
    String region = "east";
    MockManageVm manageEC2 = new MockManageVm(client,properties,region);

    boolean success = manageEC2.terminateInstance(instanceId);
    TerminateInstancesRequest request = client.getTerminateInstancesRequest();
    Assert.assertEquals("Instance id size should match", 1, request.getInstanceIds().size());
    Assert.assertEquals("Instance ids should match", instanceId, request.getInstanceIds().get(0));
    Assert.assertFalse("Termination call should have not been successful", success);
}
 

private Completable doTerminate(List<String> instanceIds) {
    TerminateInstancesRequest request = new TerminateInstancesRequest().withInstanceIds(instanceIds);
    Observable<TerminateInstancesResult> observable = toObservable(request, ec2Client::terminateInstancesAsync);
    return observable
            .doOnCompleted(() -> logger.info("Terminated instances: {}", instanceIds))
            .doOnError(e -> logger.warn("Failed to terminate instances: {}, due to {}", instanceIds, e.getMessage()))
            .toCompletable();
}
 

/**
 * Terminate instances.
 *
 * @param instanceIds
 *            instances' IDs
 * @return list of instances change
 */
protected final List<InstanceStateChange> terminateInstances(
        final Collection<String> instanceIds) {
    log.info("Terminate instances:" + toString(instanceIds));
    TerminateInstancesRequest request = new TerminateInstancesRequest();
    request.setInstanceIds(instanceIds);
    TerminateInstancesResult result = amazonEC2Client
            .terminateInstances(request);
    return result.getTerminatingInstances();
}
 

@Override
public TerminateInstancesResult terminate(
        ResultCapture<TerminateInstancesResult> extractor) {

    TerminateInstancesRequest request = new TerminateInstancesRequest();
    return terminate(request, extractor);
}
 

@Override
public TerminateInstancesResult terminate(TerminateInstancesRequest request,
        ResultCapture<TerminateInstancesResult> extractor) {

    ActionResult result = resource.performAction("Terminate", request,
            extractor);

    if (result == null) return null;
    return (TerminateInstancesResult) result.getData();
}
 

/**
 * Terminates the specified instance.
 *
 * @param  instanceId  Id of the instance to terminate
 */
public boolean terminateInstance(final String instanceId) {
    TerminateInstancesRequest terminateRequest = new TerminateInstancesRequest();
    terminateRequest.withInstanceIds(instanceId);

    if(client == null){
        throw new RuntimeException("The client is not initialized");
    }
    TerminateInstancesResult result = client.terminateInstances(terminateRequest);
    List<InstanceStateChange> stateChanges = result.getTerminatingInstances();
    boolean terminatedInstance = false;
    for (InstanceStateChange stateChange : stateChanges) {
        if (instanceId.equals(stateChange.getInstanceId())) {
            terminatedInstance = true;

            InstanceState currentState = stateChange.getCurrentState();
            if (currentState.getCode() != 32 && currentState.getCode() != 48) {
                log.error(String.format(
                        "Machine state for id %s should be terminated (48) or shutting down (32) but was %s instead",
                        instanceId, currentState.getCode()));
                return false;
            }
        }
    }

    if (!terminatedInstance) {
        log.error("Matching terminated instance was not found for instance " + instanceId);
        return false;
    }

    return true;
}
 

public void terminate(AwsProcessClient awsProcessClient, Long instanceNo) {
    AwsInstance awsInstance = awsInstanceDao.read(instanceNo);
    String instanceId = awsInstance.getInstanceId();

    // イベントログ出力
    Instance instance = instanceDao.read(instanceNo);
    processLogger.debug(null, instance, "AwsInstanceDelete",
            new Object[] { awsProcessClient.getPlatform().getPlatformName(), instanceId });

    // インスタンスの削除
    TerminateInstancesRequest request = new TerminateInstancesRequest();
    request.withInstanceIds(instanceId);
    TerminateInstancesResult result = awsProcessClient.getEc2Client().terminateInstances(request);
    List<InstanceStateChange> terminatingInstances = result.getTerminatingInstances();

    // API実行結果チェック
    if (terminatingInstances.size() == 0) {
        // インスタンス削除失敗時
        throw new AutoException("EPROCESS-000107", instanceId);

    } else if (terminatingInstances.size() > 1) {
        // 複数のインスタンスが削除された場合
        AutoException exception = new AutoException("EPROCESS-000108", instanceId);
        exception.addDetailInfo("result=" + terminatingInstances);
        throw exception;
    }

    // ログ出力
    if (log.isInfoEnabled()) {
        log.info(MessageUtils.getMessage("IPROCESS-100117", instanceId));
    }

    // データベース更新
    awsInstance.setStatus(terminatingInstances.get(0).getCurrentState().getName());
    awsInstanceDao.update(awsInstance);
}
 

/**
 * This method is used internally by the connector itself for housekeeping.
 */
Completable terminateDetachedInstances(List<String> ids) {
    Observable<TerminateInstancesResult> observable = toObservable(
            new TerminateInstancesRequest(ids),
            ec2Client::terminateInstancesAsync
    );
    return observable.toCompletable();
}
 

public void setTerminateInstancesResult(TerminateInstancesResult terminateInstancesResult) {
    this.terminateInstancesResult = terminateInstancesResult;
}
 

@Override
public TerminateInstancesResult terminate(TerminateInstancesRequest request)
        {

    return terminate(request, null);
}
 

@Override
public TerminateInstancesResult terminateInstances(TerminateInstancesRequest terminateInstancesRequest) throws AmazonServiceException, AmazonClientException {
    this.terminateInstancesRequest = terminateInstancesRequest;
    return terminateInstancesResult;
}
 

@Override
public TerminateInstancesResult terminate() {
    return terminate((ResultCapture<TerminateInstancesResult>)null);
}
 

@Test
public void testCreateInstance() throws Exception {

    AmazonEC2Client ec2Client = provider.getClient();
    Assume.assumeNotNull("AWS client not null", ec2Client);

    assertNoStaleInstances(ec2Client, "before");

    try {
        WildFlyCamelContext camelctx = new WildFlyCamelContext();
        camelctx.getNamingContext().bind("ec2Client", ec2Client);
        camelctx.addRoutes(new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:createAndRun").to("aws-ec2://TestDomain?amazonEc2Client=#ec2Client&operation=createAndRunInstances");
                from("direct:terminate").to("aws-ec2://TestDomain?amazonEc2Client=#ec2Client&operation=terminateInstances");
            }
        });

        camelctx.start();
        try {

            // Create and run an instance
            Map<String, Object> headers = new HashMap<>();
            headers.put(EC2Constants.IMAGE_ID, "ami-02ace471");
            headers.put(EC2Constants.INSTANCE_TYPE, InstanceType.T2Micro);
            headers.put(EC2Constants.SUBNET_ID, EC2Utils.getSubnetId(ec2Client));
            headers.put(EC2Constants.INSTANCE_MIN_COUNT, 1);
            headers.put(EC2Constants.INSTANCE_MAX_COUNT, 1);
            headers.put(EC2Constants.INSTANCES_TAGS, Arrays.asList(new Tag("Name", "wildfly-camel")));

            ProducerTemplate template = camelctx.createProducerTemplate();
            RunInstancesResult result1 = template.requestBodyAndHeaders("direct:createAndRun", null, headers, RunInstancesResult.class);
            String instanceId = result1.getReservation().getInstances().get(0).getInstanceId();
            System.out.println("InstanceId: " + instanceId);

            // Terminate the instance
            headers = new HashMap<>();
            headers.put(EC2Constants.INSTANCES_IDS, Collections.singleton(instanceId));

            TerminateInstancesResult result2 = template.requestBodyAndHeaders("direct:terminate", null, headers, TerminateInstancesResult.class);
            Assert.assertEquals(instanceId, result2.getTerminatingInstances().get(0).getInstanceId());
        } finally {
            camelctx.close();
        }
    } finally {
        assertNoStaleInstances(ec2Client, "after");
    }
}
 

/**
 * Performs the <code>Terminate</code> action.
 *
 * <p>
 * The following request parameters will be populated from the data of this
 * <code>Instance</code> resource, and any conflicting parameter value set
 * in the request will be overridden:
 * <ul>
 *   <li>
 *     <b><code>InstanceIds.0</code></b>
 *         - mapped from the <code>Id</code> identifier.
 *   </li>
 * </ul>
 *
 * <p>
 *
 * @return The response of the low-level client operation associated with
 *         this resource action.
 * @see TerminateInstancesRequest
 */
TerminateInstancesResult terminate(TerminateInstancesRequest request);
 

/**
 * Performs the <code>Terminate</code> action and use a ResultCapture to
 * retrieve the low-level client response.
 *
 * <p>
 * The following request parameters will be populated from the data of this
 * <code>Instance</code> resource, and any conflicting parameter value set
 * in the request will be overridden:
 * <ul>
 *   <li>
 *     <b><code>InstanceIds.0</code></b>
 *         - mapped from the <code>Id</code> identifier.
 *   </li>
 * </ul>
 *
 * <p>
 *
 * @return The response of the low-level client operation associated with
 *         this resource action.
 * @see TerminateInstancesRequest
 */
TerminateInstancesResult terminate(TerminateInstancesRequest request,
        ResultCapture<TerminateInstancesResult> extractor);
 

/**
 * The convenient method form for the <code>Terminate</code> action.
 *
 * @see #terminate(TerminateInstancesRequest)
 */
TerminateInstancesResult terminate();
 

/**
 * The convenient method form for the <code>Terminate</code> action.
 *
 * @see #terminate(TerminateInstancesRequest, ResultCapture)
 */
TerminateInstancesResult terminate(ResultCapture<TerminateInstancesResult>
        extractor);