- html - 出于某种原因,IE8 对我的 Sass 文件中继承的 html5 CSS 不友好?
- JMeter 在响应断言中使用 span 标签的问题
- html - 在 :hover and :active? 上具有不同效果的 CSS 动画
- html - 相对于居中的 html 内容固定的 CSS 重复背景?
我正在尝试实现 SdkAsyncHttpClient使用 Java 11 的 java.net.http.HttpClient (特别是 sendAsync
)。 SdkAsyncHttpClient 有一种实现方法 CompletableFuture<Void> execute(AsyncExecuteRequest asyncExecuteRequest)
. AsyncExecuteRequest
提供了一种获取有关 HTTP 请求的详细信息的方法,最重要的是,一个 SdkHttpContentPublisher
.这进入了响应式(Reactive)发布者/订阅模型的范例 - HttpClient.sendAsync
似乎有内置的支持。我似乎接近实现,但(至少)缺少一个关键步骤,因为我似乎无法完成返回的 future 。
我认为我可能遗漏了一些基本的东西,无法以直接的方式将两者联系在一起,但到目前为止我还没有想到。
这是我对一个天真的(而且非常简单)实现的尝试:
import org.reactivestreams.Subscriber;
import org.reactivestreams.Subscription;
import software.amazon.awssdk.http.Protocol;
import software.amazon.awssdk.http.SdkHttpConfigurationOption;
import software.amazon.awssdk.http.SdkHttpRequest;
import software.amazon.awssdk.http.async.AsyncExecuteRequest;
import software.amazon.awssdk.http.async.SdkAsyncHttpClient;
import software.amazon.awssdk.http.async.SdkHttpContentPublisher;
import software.amazon.awssdk.utils.AttributeMap;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.ByteBuffer;
import java.time.Duration;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Flow;
import static java.net.http.HttpClient.Version.HTTP_1_1;
import static java.net.http.HttpClient.Version.HTTP_2;
import static software.amazon.awssdk.http.Protocol.HTTP2;
import static software.amazon.awssdk.http.SdkHttpConfigurationOption.CONNECTION_TIMEOUT;
import static software.amazon.awssdk.http.SdkHttpConfigurationOption.PROTOCOL;
import static software.amazon.awssdk.http.SdkHttpConfigurationOption.READ_TIMEOUT;
public class JavaAsyncHttpClient implements SdkAsyncHttpClient {
private final HttpClient httpClient;
public JavaAsyncHttpClient(AttributeMap options) {
this.httpClient = HttpClient.newBuilder()
.connectTimeout(options.get(CONNECTION_TIMEOUT))
.version(options.get(PROTOCOL) == HTTP2 ? HTTP_2 : HTTP_1_1)
.build();
}
@Override
public CompletableFuture<Void> execute(AsyncExecuteRequest asyncExecuteRequest) {
SdkHttpRequest request = asyncExecuteRequest.request();
HttpRequest.Builder requestBuilder = HttpRequest.newBuilder().uri(request.getUri());
for (Map.Entry<String, List<String>> header : request.headers().entrySet()) {
// avoid java.lang.IllegalArgumentException: restricted header name: "Content-Length"
if (!header.getKey().equalsIgnoreCase("Content-Length") && !header.getKey().equalsIgnoreCase("Host")) {
for (String headerVal : header.getValue()) {
requestBuilder = requestBuilder.header(header.getKey(), headerVal);
}
}
}
switch (request.method()) {
case POST:
requestBuilder = requestBuilder.POST(HttpRequest.BodyPublishers.fromPublisher(
toFlowPublisher(asyncExecuteRequest.requestContentPublisher())));
break;
case PUT:
requestBuilder = requestBuilder.PUT(HttpRequest.BodyPublishers.fromPublisher(
toFlowPublisher(asyncExecuteRequest.requestContentPublisher())));
break;
case DELETE:
requestBuilder = requestBuilder.DELETE();
break;
case HEAD:
requestBuilder = requestBuilder.method("HEAD", HttpRequest.BodyPublishers.noBody());
break;
case PATCH:
throw new UnsupportedOperationException("PATCH not supported");
case OPTIONS:
requestBuilder = requestBuilder.method("OPTIONS", HttpRequest.BodyPublishers.noBody());
break;
}
// Need to use BodyHandlers.ofPublisher() or is that a dead end? How can link up the AWS Publisher/Subscribers
Subscriber<ByteBuffer> subscriber = new BaosSubscriber(new CompletableFuture<>());
asyncExecuteRequest.requestContentPublisher().subscribe(subscriber);
HttpRequest httpRequest = requestBuilder.build();
return httpClient.sendAsync(httpRequest, HttpResponse.BodyHandlers.fromSubscriber(toFlowSubscriber(subscriber)))
.thenApply(voidHttpResponse -> null);
}
private Flow.Subscriber<? super List<ByteBuffer>> toFlowSubscriber(Subscriber<ByteBuffer> subscriber) {
return new Flow.Subscriber<>() {
@Override
public void onSubscribe(Flow.Subscription subscription) {
subscriber.onSubscribe(toAwsSubscription(subscription));
}
@Override
public void onNext(List<ByteBuffer> item) {
subscriber.onNext(item.get(0));
}
@Override
public void onError(Throwable throwable) {
subscriber.onError(throwable);
}
@Override
public void onComplete() {
subscriber.onComplete();
}
};
}
private Subscription toAwsSubscription(Flow.Subscription subscription) {
return new Subscription() {
@Override
public void request(long n) {
subscription.request(n);
}
@Override
public void cancel() {
subscription.cancel();
}
};
}
private Flow.Publisher<ByteBuffer> toFlowPublisher(SdkHttpContentPublisher requestContentPublisher) {
return subscriber -> requestContentPublisher.subscribe(toAwsSubscriber(subscriber));
}
private Subscriber<? super ByteBuffer> toAwsSubscriber(Flow.Subscriber<? super ByteBuffer> subscriber) {
return new Subscriber<>() {
@Override
public void onSubscribe(Subscription s) {
subscriber.onSubscribe(toFlowSubscription(s));
}
@Override
public void onNext(ByteBuffer byteBuffer) {
subscriber.onNext(byteBuffer);
}
@Override
public void onError(Throwable t) {
subscriber.onError(t);
}
@Override
public void onComplete() {
subscriber.onComplete();
}
};
}
private Flow.Subscription toFlowSubscription(Subscription subscription) {
return new Flow.Subscription() {
@Override
public void request(long n) {
subscription.request(n);
}
@Override
public void cancel() {
subscription.cancel();
}
};
}
@Override
public void close() {}
private static class BaosSubscriber implements Subscriber<ByteBuffer> {
private final ByteArrayOutputStream baos = new ByteArrayOutputStream();
private final CompletableFuture<ByteArrayOutputStream> streamFuture;
private Subscription subscription;
private BaosSubscriber(CompletableFuture<ByteArrayOutputStream> streamFuture) {
this.streamFuture = streamFuture;
}
@Override
public void onSubscribe(Subscription subscription) {
this.subscription = subscription;
subscription.request(Long.MAX_VALUE);
}
@Override
public void onNext(ByteBuffer byteBuffer) {
try {
baos.write(BinaryUtils.copyBytesFrom(byteBuffer));
this.subscription.request(Long.MAX_VALUE);
} catch (IOException e) {
// Should never happen
streamFuture.completeExceptionally(e);
}
}
@Override
public void onError(Throwable t) {
streamFuture.completeExceptionally(t);
}
@Override
public void onComplete() {
streamFuture.complete(baos);
}
}
我在这里错过了什么?返回以 null
完成的 future 遵循 SdkAsyncHttpClient
的规范很明显,HTTP 响应需要以某种方式发送给 AWS 端的订阅者——但这正是我迷路的地方。
编辑:刚刚通过谷歌搜索发现:https://github.com/rmcsoft/j11_aws_http_client/blob/63f05326990317c59f1863be55942054769b437e/src/main/java/com/rmcsoft/aws/http/proxy/BodyHandlerProxy.java - 去看看答案是否在里面。
最佳答案
当我问这个问题时,我并不知道 - 这片土地已经被踩过了。 Nikita Skornyakov(Github 上的@rmcsoft)实现了这个确切的东西(一个使用 Java 11 的 HTTP 客户端 (java.net.http) 的 SdkAsyncHttpClient
实现。它可以在这里找到:https://github.com/rmcsoft/j11_aws_http_client(MIT 许可)。
为了完成这里是一个自包含的(你可能永远不会使用)Java 实现:
package com.dow.as2;
import org.reactivestreams.Publisher;
import org.reactivestreams.Subscriber;
import org.reactivestreams.Subscription;
import software.amazon.awssdk.http.AbortableInputStream;
import software.amazon.awssdk.http.Protocol;
import software.amazon.awssdk.http.SdkHttpConfigurationOption;
import software.amazon.awssdk.http.SdkHttpFullResponse;
import software.amazon.awssdk.http.SdkHttpRequest;
import software.amazon.awssdk.http.SdkHttpResponse;
import software.amazon.awssdk.http.async.AsyncExecuteRequest;
import software.amazon.awssdk.http.async.SdkAsyncHttpClient;
import software.amazon.awssdk.http.async.SdkAsyncHttpResponseHandler;
import software.amazon.awssdk.http.async.SdkHttpContentPublisher;
import software.amazon.awssdk.utils.AttributeMap;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.ByteBuffer;
import java.time.Duration;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.Flow;
import java.util.concurrent.atomic.AtomicReference;
import static java.net.http.HttpClient.Version.HTTP_1_1;
import static java.net.http.HttpClient.Version.HTTP_2;
import static software.amazon.awssdk.http.Protocol.HTTP2;
import static software.amazon.awssdk.http.SdkHttpConfigurationOption.CONNECTION_TIMEOUT;
import static software.amazon.awssdk.http.SdkHttpConfigurationOption.PROTOCOL;
import static software.amazon.awssdk.http.SdkHttpConfigurationOption.READ_TIMEOUT;
public class JavaAsyncHttpClient implements SdkAsyncHttpClient {
private static final String CLIENT_NAME = "JavaNetAsyncHttpClient";
private final HttpClient httpClient;
private JavaAsyncHttpClient(AttributeMap options) {
this.httpClient = HttpClient.newBuilder()
.connectTimeout(options.get(CONNECTION_TIMEOUT))
.version(options.get(PROTOCOL) == HTTP2 ? HTTP_2 : HTTP_1_1)
.build();
}
public static Builder builder() {
return new DefaultBuilder();
}
/**
* Create a {@link HttpClient} client with the default properties
*
* @return a {@link JavaHttpClient}
*/
public static SdkAsyncHttpClient create() {
return new DefaultBuilder().build();
}
@Override
public CompletableFuture<Void> execute(AsyncExecuteRequest asyncExecuteRequest) {
SdkHttpRequest request = asyncExecuteRequest.request();
HttpRequest.Builder requestBuilder = HttpRequest.newBuilder().uri(request.getUri());
for (Map.Entry<String, List<String>> header : request.headers().entrySet()) {
// avoid java.lang.IllegalArgumentException: restricted header name: "Content-Length"
if (!header.getKey().equalsIgnoreCase("Content-Length") && !header.getKey().equalsIgnoreCase("Host")) {
for (String headerVal : header.getValue()) {
requestBuilder = requestBuilder.header(header.getKey(), headerVal);
}
}
}
switch (request.method()) {
case POST:
requestBuilder = requestBuilder.POST(new BodyPublisherProxy(asyncExecuteRequest.requestContentPublisher()));
break;
case PUT:
requestBuilder = requestBuilder.PUT(new BodyPublisherProxy(asyncExecuteRequest.requestContentPublisher()));
break;
case DELETE:
requestBuilder = requestBuilder.DELETE();
break;
case HEAD:
requestBuilder = requestBuilder.method("HEAD", HttpRequest.BodyPublishers.noBody());
break;
case PATCH:
throw new UnsupportedOperationException("PATCH not supported");
case OPTIONS:
requestBuilder = requestBuilder.method("OPTIONS", HttpRequest.BodyPublishers.noBody());
break;
}
// Need to use BodyHandlers.ofPublisher() or is that a dead end? How can link up the AWS Publisher/Subscribers
// with HttpClient sendAsync Flow.Publishers/Flow.Subscriber?
var responseHandler = asyncExecuteRequest.responseHandler();
var bodyHandler = new BodyHandlerProxy(asyncExecuteRequest.responseHandler());
return httpClient
.sendAsync(requestBuilder.build(), bodyHandler)
.thenApply(HttpResponse::body)
.thenApply(this::toAwsPublisher)
.thenAccept(responseHandler::onStream)
.exceptionally(t -> {
responseHandler.onError(t);
return null;
});
}
private Subscription toAwsSubscription(Flow.Subscription subscription) {
return new Subscription() {
@Override
public void request(long n) {
subscription.request(n);
}
@Override
public void cancel() {
subscription.cancel();
}
};
}
private Flow.Subscriber<? super ByteBuffer> toFlowSubscriber(Subscriber<? super ByteBuffer> subscriber) {
return new Flow.Subscriber<>() {
@Override
public void onSubscribe(Flow.Subscription subscription) {
subscriber.onSubscribe(toAwsSubscription(subscription));
}
@Override
public void onNext(ByteBuffer item) {
subscriber.onNext(item);
}
@Override
public void onError(Throwable throwable) {
subscriber.onError(throwable);
}
@Override
public void onComplete() {
subscriber.onComplete();
}
};
}
private Publisher<ByteBuffer> toAwsPublisher(Flow.Publisher<ByteBuffer> publisher) {
return new Publisher<>() {
@Override
public void subscribe(Subscriber<? super ByteBuffer> s) {
publisher.subscribe(toFlowSubscriber(s));
}
};
}
@Override
public void close() {
}
@Override
public String clientName() {
return CLIENT_NAME;
}
private static final class DefaultBuilder implements Builder {
private final AttributeMap.Builder standardOptions = AttributeMap.builder();
private DefaultBuilder() {
}
/**
* Sets the read timeout to a specified timeout. A timeout of zero is interpreted as an infinite timeout.
*
* @param socketTimeout the timeout as a {@link Duration}
* @return this object for method chaining
*/
public Builder socketTimeout(Duration socketTimeout) {
standardOptions.put(READ_TIMEOUT, socketTimeout);
return this;
}
public void setSocketTimeout(Duration socketTimeout) {
socketTimeout(socketTimeout);
}
/**
* Sets the connect timeout to a specified timeout. A timeout of zero is interpreted as an infinite timeout.
*
* @param connectionTimeout the timeout as a {@link Duration}
* @return this object for method chaining
*/
public Builder connectionTimeout(Duration connectionTimeout) {
standardOptions.put(CONNECTION_TIMEOUT, connectionTimeout);
return this;
}
public void setConnectionTimeout(Duration connectionTimeout) {
connectionTimeout(connectionTimeout);
}
public Builder protocol(Protocol protocol) {
standardOptions.put(PROTOCOL, protocol);
return this;
}
/**
* Used by the SDK to create a {@link SdkAsyncHttpClient} with service-default values if no other values have been configured
*
* @param serviceDefaults Service specific defaults. Keys will be one of the constants defined in
* {@link SdkHttpConfigurationOption}.
* @return an instance of {@link SdkAsyncHttpClient}
*/
@Override
public SdkAsyncHttpClient buildWithDefaults(AttributeMap serviceDefaults) {
return new JavaAsyncHttpClient(standardOptions.build()
.merge(serviceDefaults)
.merge(SdkHttpConfigurationOption.GLOBAL_HTTP_DEFAULTS));
}
}
private static class BodyHandlerProxy implements HttpResponse.BodyHandler<Flow.Publisher<ByteBuffer>> {
private final SdkAsyncHttpResponseHandler handler;
private BodyHandlerProxy(SdkAsyncHttpResponseHandler responseHandler) {
Objects.requireNonNull(responseHandler);
handler = responseHandler;
}
@Override
public HttpResponse.BodySubscriber<Flow.Publisher<ByteBuffer>> apply(HttpResponse.ResponseInfo responseInfo) {
handler.onHeaders(new SdkHttpHeadersProxy(responseInfo));
return new BodySubscriberProxy();
}
}
static final class SubscriberRef {
Flow.Subscriber<? super ByteBuffer> ref;
SubscriberRef(Flow.Subscriber<? super ByteBuffer> subscriber) {
ref = subscriber;
}
Flow.Subscriber<? super ByteBuffer> get() {
return ref;
}
Flow.Subscriber<? super ByteBuffer> clear() {
Flow.Subscriber<? super ByteBuffer> res = ref;
ref = null;
return res;
}
}
static final class SubscriptionRef implements Flow.Subscription {
final Flow.Subscription subscription;
final SubscriberRef subscriberRef;
SubscriptionRef(Flow.Subscription subscription,
SubscriberRef subscriberRef) {
this.subscription = subscription;
this.subscriberRef = subscriberRef;
}
@Override
public void request(long n) {
if (subscriberRef.get() != null) {
subscription.request(n);
}
}
@Override
public void cancel() {
subscription.cancel();
subscriberRef.clear();
}
void subscribe() {
Flow.Subscriber<?> subscriber = subscriberRef.get();
if (subscriber != null) {
subscriber.onSubscribe(this);
}
}
@Override
public String toString() {
return String
.format("SubscriptionRef/%s@%s", subscription.getClass().getName(), System.identityHashCode(subscription));
}
}
// Adapted from jdk.internal.net.http.ResponseSubscribers.PublishingBodySubscriber
private static class BodySubscriberProxy implements HttpResponse.BodySubscriber<Flow.Publisher<ByteBuffer>> {
private final CompletableFuture<Flow.Subscription>
subscriptionCF = new CompletableFuture<>();
private final CompletableFuture<SubscriberRef>
subscribedCF = new CompletableFuture<>();
private AtomicReference<SubscriberRef>
subscriberRef = new AtomicReference<>();
private final CompletableFuture<Flow.Publisher<ByteBuffer>> body =
subscriptionCF.thenCompose(
(s) -> CompletableFuture.completedFuture(this::subscribe));
private final CompletableFuture<Void> completionCF;
BodySubscriberProxy() {
completionCF = new CompletableFuture<>();
completionCF.whenComplete(
(r, t) -> subscribedCF.thenAccept(s -> complete(s, t)));
}
public CompletionStage<Flow.Publisher<ByteBuffer>> getBody() {
return body;
}
// This is a callback for the subscribedCF.
// Do not call directly!
private void complete(SubscriberRef ref, Throwable t) {
Flow.Subscriber<?> s = ref.clear();
// maybe null if subscription was cancelled
if (s == null) {
return;
}
if (t != null) {
s.onError(t);
return;
}
try {
s.onComplete();
} catch (Throwable x) {
s.onError(x);
}
}
private void signalError(Throwable err) {
completionCF.completeExceptionally(err != null ? err : new IllegalArgumentException("null throwable"));
}
private void signalComplete() {
completionCF.complete(null);
}
private void subscribe(Flow.Subscriber<? super ByteBuffer> subscriber) {
if (subscriber == null) {
throw new IllegalArgumentException("subscriber must not be null");
}
SubscriberRef ref = new SubscriberRef(subscriber);
if (subscriberRef.compareAndSet(null, ref)) {
subscriptionCF.thenAccept((s) -> {
SubscriptionRef subscription = new SubscriptionRef(s, ref);
try {
subscription.subscribe();
subscribedCF.complete(ref);
} catch (Throwable t) {
subscription.cancel();
}
});
} else {
subscriber.onSubscribe(new Flow.Subscription() {
@Override
public void request(long n) {
}
@Override
public void cancel() {
}
});
subscriber.onError(new IllegalStateException("This publisher has already one subscriber"));
}
}
@Override
public void onSubscribe(Flow.Subscription subscription) {
subscriptionCF.complete(subscription);
}
@Override
public void onNext(List<ByteBuffer> item) {
try {
SubscriberRef ref = subscriberRef.get();
Flow.Subscriber<? super ByteBuffer> subscriber = ref.get();
if (subscriber != null) { // may be null if subscription was cancelled.
item.forEach(subscriber::onNext);
}
} catch (Throwable err) {
signalError(err);
subscriptionCF.thenAccept(Flow.Subscription::cancel);
}
}
@Override
public void onError(Throwable throwable) {
// onError can be called before request(1), and therefore can
// be called before subscriberRef is set.
signalError(throwable);
}
@Override
public void onComplete() {
// cannot be called before onSubscribe()
if (!subscriptionCF.isDone()) {
signalError(new InternalError("onComplete called before onSubscribed"));
} else {
// onComplete can be called before request(1),
// and therefore can be called before subscriberRef
// is set.
signalComplete();
}
}
}
private static class SdkHttpHeadersProxy implements SdkHttpFullResponse {
private final HttpResponse.ResponseInfo responseInfo;
private SdkHttpHeadersProxy(HttpResponse.ResponseInfo responseInfo) {
Objects.requireNonNull(responseInfo);
this.responseInfo = responseInfo;
}
@Override
public Optional<String> statusText() {
return Optional.empty();
}
@Override
public int statusCode() {
return responseInfo.statusCode();
}
@Override
public Map<String, List<String>> headers() {
return responseInfo.headers().map();
}
@Override
public Builder toBuilder() {
return SdkHttpResponse
.builder()
.headers(headers())
.statusCode(statusCode());
}
@Override
public Optional<AbortableInputStream> content() {
return Optional.empty(); // will be available at later stage
}
}
private class BodyPublisherProxy implements HttpRequest.BodyPublisher {
private final SdkHttpContentPublisher publisher;
private BodyPublisherProxy(SdkHttpContentPublisher publisher) {
Objects.requireNonNull(publisher);
this.publisher = publisher;
}
@Override
public long contentLength() {
return publisher.contentLength().orElse(-1L);
}
@Override
public void subscribe(Flow.Subscriber<? super ByteBuffer> subscriber) {
publisher.subscribe(toAwsSubscriber(subscriber));
}
}
private Flow.Subscription toFlowSubscription(Subscription subscription) {
return new Flow.Subscription() {
@Override
public void request(long n) {
subscription.request(n);
}
@Override
public void cancel() {
subscription.cancel();
}
};
}
private Subscriber<? super ByteBuffer> toAwsSubscriber(Flow.Subscriber<? super ByteBuffer> subscriber) {
return new Subscriber<>() {
@Override
public void onSubscribe(Subscription s) {
subscriber.onSubscribe(toFlowSubscription(s));
}
@Override
public void onNext(ByteBuffer byteBuffer) {
subscriber.onNext(byteBuffer);
}
@Override
public void onError(Throwable t) {
subscriber.onError(t);
}
@Override
public void onComplete() {
subscriber.onComplete();
}
};
}
}
我建议使用 j11_aws_http_client
之前链接到这个怪物(例如,它只处理一小部分受限制的 header )。上面的代码几乎完全是从那个 Github 项目复制粘贴过来的。
如果有一种方法可以使用 java.net.http.BodySubscribers.ofPublisher(即 Flow.Publisher<List<ByteBuffer>>>
),则可以大大简化实现。
关于java - AWS SDK v2 SdkAsyncHttpClient 实现 使用 Java 11 java.net.http HttpClient sendAsync,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58385478/
对于在 AWS 云中配置基础设施,我们目前使用从 ansible 角色调用的云形成模板,但我们发现在增加基础设施的规模后,此代码在 GitHub 中变得非结构化或未模块化 Github上有意大利面条式
我一直在阅读documentation for AWS Cloudwatch events至trigger AWS Batch我不知道如何从 cloudwatch 事件触发 aws 批处理: 在 aw
我正在尝试使用入口控制器安装我的CA证书。我正在遵循这份指南。Https://docs.aws.amazon.com/eks/latest/userguide/aws-load-balancer-co
如何使用 aws cloudformation 或 aws cdk 设置 aws aurora mysql 表? 在我的设置中,我有一个使用 lambda 实现各种微服务的无服务器应用程序。数据库是无
我看到了各种使用 AWS CDK 的示例,其中一些使用 aws-cdk-lib,另一些使用 @aws-cdk/core。这些之间有什么区别,什么时候应该使用一个或另一个? 最佳答案 aws-cdk-l
我看到了各种使用 AWS CDK 的示例,其中一些使用 aws-cdk-lib,另一些使用 @aws-cdk/core。这些之间有什么区别,什么时候应该使用一个或另一个? 最佳答案 aws-cdk-l
我在 cdk 研讨会上建立了一个小的 lambda 函数 here .我正在用 typescript 编写 lambda 函数,通过管道进行部署,该管道创建了一个包含 lambda 函数的云形成堆栈。
我刚刚开始使用 AWS 服务,尤其是 AWS Lambda。有没有办法从 Lambda 代码 (Java) 中使用 AWS KMS 服务。我想使用 KMS 来解密加密的外化(从属性读取) secret
CFN 模板是否可以根据参数向 ALB 添加一些特定的安全组? 我遇到了两个安全组添加到 ALB 的情况: ALB Type: AWS::ElasticLoadBalancingV2::LoadB
例如,我有一个主要公司 AWS 账户,其安全组为 xxxxx。现在我有了我的个人 aws 安全组-yyyyy。这些帐户根本不相关。我可以将接受组-yyyyy 添加到组-xxxxx 中,从而允许我的
我有一个 Lambda 函数,它有多个 MSK 触发器配置 - 每个都针对不同的主题。 如果 Lambda 的输入 ( MSKEvent ) 可以包含多个不同的主题,则未在官方文档中找到任何信息。 官
在 AWS Glue 中创建 JDBC 连接时,有什么方法可以从 AWS secret manager 获取密码而不是手动硬编码吗? 最佳答案 我必须在我当前的项目中这样做才能连接到 Cassandr
谁能告诉我: aws-sdk/clients/appsync , 和 aws-appsync 根据文档,aws-sdk/clients/appsync使用是因为只包括 aws-sdk当我们只需要 ap
我不小心删除了我的放大前端并创建了一个新前端。如何将现有的放大后端导入新创建的放大应用项目文件夹? 我按照后端标签上的步骤操作 amplify init --appId(“您的新AMPLIFY APP
我正在使用 Java Sdk 创建粘合作业。它只有两个必需的参数 Command 和 Glue 版本。 但我需要使用自动脚本生成来创建工作。正如我们可以从控制台做的那样,我们添加数据源、AWS Glu
目前我正在使用 AWS Glue 作业将数据加载到 RedShift,但在加载之后我需要运行一些可能使用 AWS Lambda 函数的数据清理任务。有没有办法在 Glue 作业结束时触发 Lambda
简单的 aws lambda 和 aws lambda@edge 有什么区别? 最佳答案 Lambda 根据某些触发器执行函数。 Lambda 的用例非常广泛,并且与许多 AWS 服务高度集成。您甚至
关闭。这个问题是opinion-based 。目前不接受答案。 想要改进这个问题吗?更新问题,以便 editing this post 可以用事实和引文来回答它。 . 已关闭 9 个月前。 社区 9
我正在尝试使用 Python 使用 AWS-CDK 创建托管广告。以下是错误,从 JavaScriptError(resp.stack) 引发 JSIIError(resp.error)jsii.er
这两个包似乎在很大程度上做同样的事情?这两个包之间的预期区别是什么,我应该使用哪个包? 最佳答案 Pipelines 是较新的 --experimental-- (编辑:它不再在 Experiment
我是一名优秀的程序员,十分优秀!