Examples with DeregisterScalableTargetRequest com.amazonaws.services.applicationautoscaling.model.DeregisterScalableTargetRequest used on opensource projects

Example 1 with DeregisterScalableTargetRequest

use of com.amazonaws.services.applicationautoscaling.model.DeregisterScalableTargetRequest in project aws-doc-sdk-examples by awsdocs.

the class DisableDynamoDBAutoscaling method main.

public static void main(String[] args) {
    ServiceNamespace ns = ServiceNamespace.Dynamodb;
    ScalableDimension tableWCUs = ScalableDimension.DynamodbTableWriteCapacityUnits;
    String resourceID = "table/TestTable";
    // Delete the scaling policy
    DeleteScalingPolicyRequest delSPRequest = new DeleteScalingPolicyRequest().withServiceNamespace(ns).withScalableDimension(tableWCUs).withResourceId(resourceID).withPolicyName("MyScalingPolicy");
    try {
        aaClient.deleteScalingPolicy(delSPRequest);
    } catch (Exception e) {
        System.err.println("Unable to delete scaling policy: ");
        System.err.println(e.getMessage());
    }
    // Verify that the scaling policy was deleted
    DescribeScalingPoliciesRequest descSPRequest = new DescribeScalingPoliciesRequest().withServiceNamespace(ns).withScalableDimension(tableWCUs).withResourceId(resourceID);
    try {
        DescribeScalingPoliciesResult dspResult = aaClient.describeScalingPolicies(descSPRequest);
        System.out.println("DescribeScalingPolicies result: ");
        System.out.println(dspResult);
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("Unable to describe scaling policy: ");
        System.err.println(e.getMessage());
    }
    System.out.println();
    // Remove the scalable target
    DeregisterScalableTargetRequest delSTRequest = new DeregisterScalableTargetRequest().withServiceNamespace(ns).withScalableDimension(tableWCUs).withResourceId(resourceID);
    try {
        aaClient.deregisterScalableTarget(delSTRequest);
    } catch (Exception e) {
        System.err.println("Unable to deregister scalable target: ");
        System.err.println(e.getMessage());
    }
    // Verify that the scalable target was removed
    DescribeScalableTargetsRequest dscRequest = new DescribeScalableTargetsRequest().withServiceNamespace(ns).withScalableDimension(tableWCUs).withResourceIds(resourceID);
    try {
        DescribeScalableTargetsResult dsaResult = aaClient.describeScalableTargets(dscRequest);
        System.out.println("DescribeScalableTargets result: ");
        System.out.println(dsaResult);
        System.out.println();
    } catch (Exception e) {
        System.err.println("Unable to describe scalable target: ");
        System.err.println(e.getMessage());
    }
}

Example 2 with DeregisterScalableTargetRequest

use of com.amazonaws.services.applicationautoscaling.model.DeregisterScalableTargetRequest in project titus-control-plane by Netflix.

the class AWSAppAutoScalingClient method deleteScalableTarget.

@Override
public Completable deleteScalableTarget(String jobId) {
    DeregisterScalableTargetRequest deRegisterRequest = new DeregisterScalableTargetRequest();
    deRegisterRequest.setResourceId(AWSAppAutoScalingUtil.buildGatewayResourceId(jobId, awsAppScalingConfig.getAWSGatewayEndpointPrefix(), awsAppScalingConfig.getRegion(), awsAppScalingConfig.getAWSGatewayEndpointTargetStage()));
    deRegisterRequest.setServiceNamespace(SERVICE_NAMESPACE);
    deRegisterRequest.setScalableDimension(SCALABLE_DIMENSION);
    return RetryWrapper.wrapWithExponentialRetry(String.format("deleteScalableTarget for job %s", jobId), Observable.create(emitter -> awsAppAutoScalingClientAsync.deregisterScalableTargetAsync(deRegisterRequest, new AsyncHandler<DeregisterScalableTargetRequest, DeregisterScalableTargetResult>() {

        @Override
        public void onError(Exception exception) {
            if (exception instanceof ObjectNotFoundException) {
                logger.info("Scalable target does not exist anymore for job {}", jobId);
                emitter.onCompleted();
            } else {
                logger.error("Deregister scalable target exception {} - {}", jobId, exception.getMessage());
                awsAppAutoScalingMetrics.registerAwsDeleteTargetError(exception);
                emitter.onError(exception);
            }
        }

        @Override
        public void onSuccess(DeregisterScalableTargetRequest request, DeregisterScalableTargetResult deregisterScalableTargetResult) {
            int httpStatusCode = deregisterScalableTargetResult.getSdkHttpMetadata().getHttpStatusCode();
            logger.info("De-registered scalable target for {}, status {}", jobId, httpStatusCode);
            awsAppAutoScalingMetrics.registerAwsDeleteTargetSuccess();
            emitter.onCompleted();
        }
    }), Emitter.BackpressureMode.NONE)).toCompletable();
}

Example 3 with DeregisterScalableTargetRequest

use of com.amazonaws.services.applicationautoscaling.model.DeregisterScalableTargetRequest in project titus-control-plane by Netflix.

the class AWSAppAutoScalingClientTest method deleteScalableTargetIsIdempotent.

@Test
public void deleteScalableTargetIsIdempotent() {
    String jobId = UUID.randomUUID().toString();
    String policyId = UUID.randomUUID().toString();
    AWSApplicationAutoScalingAsync clientAsync = mock(AWSApplicationAutoScalingAsync.class);
    AWSAppScalingConfig config = mock(AWSAppScalingConfig.class);
    AWSAppAutoScalingClient autoScalingClient = new AWSAppAutoScalingClient(clientAsync, config, new NoopRegistry());
    AtomicBoolean isDeleted = new AtomicBoolean(false);
    when(clientAsync.deregisterScalableTargetAsync(any(), any())).thenAnswer(invocation -> {
        DeregisterScalableTargetRequest request = invocation.getArgument(0);
        AsyncHandler<DeregisterScalableTargetRequest, DeregisterScalableTargetResult> handler = invocation.getArgument(1);
        if (isDeleted.get()) {
            ObjectNotFoundException notFoundException = new ObjectNotFoundException(policyId + " does not exist");
            handler.onError(notFoundException);
            return Future.failed(notFoundException);
        }
        DeregisterScalableTargetResult resultSuccess = new DeregisterScalableTargetResult();
        HttpResponse successResponse = new HttpResponse(null, null);
        successResponse.setStatusCode(200);
        resultSuccess.setSdkHttpMetadata(SdkHttpMetadata.from(successResponse));
        isDeleted.set(true);
        handler.onSuccess(request, resultSuccess);
        return Future.successful(resultSuccess);
    });
    AssertableSubscriber<Void> firstCall = autoScalingClient.deleteScalableTarget(jobId).test();
    firstCall.awaitTerminalEvent(2, TimeUnit.SECONDS);
    firstCall.assertNoErrors();
    firstCall.assertCompleted();
    verify(clientAsync, times(1)).deregisterScalableTargetAsync(any(), any());
    // second should complete fast when NotFound and not retry with exponential backoff
    AssertableSubscriber<Void> secondCall = autoScalingClient.deleteScalableTarget(jobId).test();
    secondCall.awaitTerminalEvent(2, TimeUnit.SECONDS);
    secondCall.assertNoErrors();
    secondCall.assertCompleted();
    verify(clientAsync, times(2)).deregisterScalableTargetAsync(any(), any());
}