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feat: Jetty HttpClient implementation
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Signed-off-by: Marc Nuri <[email protected]>
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manusa committed Jun 2, 2022
1 parent 4179a64 commit a8c50e1
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Showing 48 changed files with 2,923 additions and 69 deletions.
4 changes: 2 additions & 2 deletions .github/workflows/e2e-httpclient-tests.yml
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Expand Up @@ -39,7 +39,7 @@ jobs:
fail-fast: false
matrix:
kubernetes: [v1.24.0,v1.23.3, v1.12.10]
httpclient: [jdk]
httpclient: [jdk,jetty]
steps:
- name: Checkout
uses: actions/checkout@v3
Expand Down Expand Up @@ -67,7 +67,7 @@ jobs:
fail-fast: false
matrix:
openshift: [v3.11.0, v3.10.0]
httpclient: [jdk]
httpclient: [jdk,jetty]
steps:
- name: Checkout
uses: actions/checkout@v3
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2 changes: 1 addition & 1 deletion httpclient-jdk/pom.xml
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Expand Up @@ -26,7 +26,7 @@

<artifactId>kubernetes-httpclient-jdk</artifactId>
<packaging>jar</packaging>
<name>Fabric8 :: Kubernetes :: JDK HttpClient</name>
<name>Fabric8 :: Kubernetes :: HttpClient :: JDK</name>

<properties>
<maven.compiler.release>11</maven.compiler.release>
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Expand Up @@ -35,6 +35,7 @@
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;
Expand Down Expand Up @@ -132,6 +133,11 @@ public List<String> headers(String key) {
return response.headers().allValues(key);
}

@Override
public Map<String, List<String>> headers() {
return response.headers().map();
}

@Override
public int code() {
return response.statusCode();
Expand Down Expand Up @@ -334,13 +340,7 @@ public CompletableFuture<WebSocketResponse> internalBuildAsync(JdkWebSocketImpl.
// use a responseholder to convey both the exception and the websocket
CompletableFuture<WebSocketResponse> response = new CompletableFuture<>();

URI uri = request.uri();
if (uri.getScheme().startsWith("http")) {
// the jdk logic expects a ws uri
// after the https://bugs.java.com/bugdatabase/view_bug.do?bug_id=8245245 it just does the reverse of this
// to convert back to http(s) ...
uri = URI.create("ws" + uri.toString().substring(4));
}
URI uri = WebSocket.toWebSocketUri(request.uri());
newBuilder.buildAsync(uri, new JdkWebSocketImpl.ListenerAdapter(listener, queueSize)).whenComplete((w, t) -> {
if (t instanceof CompletionException && t.getCause() != null) {
t = t.getCause();
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Expand Up @@ -26,11 +26,12 @@
import java.nio.ByteBuffer;
import java.time.Duration;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Flow.Subscriber;

class JdkHttpRequestImpl implements HttpRequest {
import static io.fabric8.kubernetes.client.http.StandardHttpHeaders.CONTENT_TYPE;

private static final String CONTENT_TYPE = "Content-Type";
class JdkHttpRequestImpl implements HttpRequest {

public static class BuilderImpl implements Builder {

Expand Down Expand Up @@ -77,6 +78,7 @@ public Builder method(String method, String contentType, String body) {
@Override
public Builder post(String contentType, byte[] writeValueAsBytes) {
this.bodyString = null;
// TODO: Is this incomplete?
this.builder.setHeader(CONTENT_TYPE, contentType).POST(BodyPublishers.ofByteArray(writeValueAsBytes));
return this;
}
Expand Down Expand Up @@ -141,6 +143,11 @@ public List<String> headers(String key) {
return request.headers().allValues(key);
}

@Override
public Map<String, List<String>> headers() {
return request.headers().map();
}

@Override
public URI uri() {
return request.uri();
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189 changes: 189 additions & 0 deletions httpclient-jetty/pom.xml
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@@ -0,0 +1,189 @@
<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright (C) 2015 Red Hat, Inc.
Licensed 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.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<artifactId>kubernetes-client-project</artifactId>
<groupId>io.fabric8</groupId>
<version>6.0-SNAPSHOT</version>
</parent>

<artifactId>kubernetes-httpclient-jetty</artifactId>
<packaging>jar</packaging>
<name>Fabric8 :: Kubernetes :: HttpClient :: Jetty</name>

<properties>
<maven.compiler.release>11</maven.compiler.release>
<osgi.require-capability>
osgi.extender;
filter:="(osgi.extender=osgi.serviceloader.registrar)",
</osgi.require-capability>
<osgi.import>
!android.util*,
*,
</osgi.import>
<osgi.export>
io.fabric8.kubernetes.client.jetty*;-noimport:=true,
</osgi.export>
<osgi.private>
</osgi.private>
</properties>

<dependencies>
<dependency>
<groupId>io.fabric8</groupId>
<artifactId>kubernetes-client-api</artifactId>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-client</artifactId>
</dependency>
<dependency>
<groupId>org.eclipse.jetty.http2</groupId>
<artifactId>http2-http-client-transport</artifactId>
</dependency>
<dependency>
<groupId>org.eclipse.jetty.websocket</groupId>
<artifactId>websocket-jetty-client</artifactId>
</dependency>

<dependency>
<groupId>io.fabric8</groupId>
<artifactId>kubernetes-client-api</artifactId>
<type>test-jar</type>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-params</artifactId>
</dependency>
<dependency>
<groupId>io.fabric8</groupId>
<artifactId>mockwebserver</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<scope>test</scope>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<!-- We cleanup system properties an env vars, so that we can test in a predictable env -->
<environmentVariables>
<KUBERNETES_MASTER />
<KUBERNETES_API_VERSION />
<KUBERNETES_TRUST_CERTIFICATES />
<KUBERNETES_CERTS_CA_FILE />
<KUBERNETES_CERTS_CA_DATA />
<KUBERNETES_CERTS_CLIENT_FILE />
<KUBERNETES_CERTS_CLIENT_DATA />
<KUBERNETES_CERTS_CLIENT_KEY_FILE />
<KUBERNETES_CERTS_CLIENT_KEY_DATA />
<KUBERNETES_CERTS_CLIENT_KEY_ALGO />
<KUBERNETES_CERTS_CLIENT_KEY_PASSPHRASE />
<KUBERNETES_AUTH_BASIC_USERNAME />
<KUBERNETES_AUTH_BASIC_PASSWORD />
<KUBERNETES_AUTH_TRYKUBECONFIG />
<KUBERNETES_AUTH_TRYSERVICEACCOUNT />
<KUBERNETES_AUTH_TOKEN />
<KUBERNETES_WATCH_RECONNECTINTERVAL />
<KUBERNETES_WATCH_RECONNECTLIMIT />
<KUBERNETES_REQUEST_TIMEOUT />
<KUBERNETES_NAMESPACE />
<KUBERNETES_TLS_VERSIONS>TLSv1.2,TLSv1.1,TLSv1</KUBERNETES_TLS_VERSIONS>
</environmentVariables>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>3.0.0</version>
<executions>
<execution>
<goals>
<goal>java</goal>
</goals>
</execution>
</executions>
<configuration>
<classpathScope>test</classpathScope>
</configuration>
</plugin>
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<executions>
<execution>
<id>report-aggregate</id>
<phase>verify</phase>
<goals>
<goal>report-aggregate</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<version>${maven.bundle.plugin.version}</version>
<executions>
<execution>
<id>bundle</id>
<phase>package</phase>
<goals>
<goal>bundle</goal>
</goals>
<configuration>
<instructions>
<Bundle-Name>${project.name}</Bundle-Name>
<Bundle-SymbolicName>${project.groupId}.${project.artifactId}</Bundle-SymbolicName>
<Export-Package>${osgi.export}</Export-Package>
<Import-Package>${osgi.import}</Import-Package>
<DynamicImport-Package>${osgi.dynamic.import}</DynamicImport-Package>
<Require-Capability>${osgi.require-capability}</Require-Capability>
<Provide-Capability>${osgi.provide-capability}</Provide-Capability>
<Private-Package>${osgi.private}</Private-Package>
<Require-Bundle>${osgi.bundles}</Require-Bundle>
<Bundle-Activator>${osgi.activator}</Bundle-Activator>
<Export-Service>${osgi.export.service}</Export-Service>
<Include-Resource>
/META-INF/services/io.fabric8.kubernetes.client.http.HttpClient$Factory=target/classes/META-INF/services/io.fabric8.kubernetes.client.http.HttpClient$Factory,
</Include-Resource>
</instructions>
<classifier>bundle</classifier>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>

</project>
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@@ -0,0 +1,92 @@
/**
* Copyright (C) 2015 Red Hat, Inc.
*
* Licensed 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 io.fabric8.kubernetes.client.jetty;

import io.fabric8.kubernetes.client.KubernetesClientException;
import io.fabric8.kubernetes.client.http.HttpClient;
import io.fabric8.kubernetes.client.http.HttpRequest;
import io.fabric8.kubernetes.client.http.HttpResponse;
import org.eclipse.jetty.client.api.Request;
import org.eclipse.jetty.client.api.Response;
import org.eclipse.jetty.client.api.Result;

import java.nio.ByteBuffer;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CountDownLatch;

public abstract class JettyAsyncResponseListener<T> extends Response.Listener.Adapter implements HttpClient.AsyncBody {

private final HttpRequest httpRequest;
private final HttpClient.BodyConsumer<T> bodyConsumer;
private final CompletableFuture<HttpResponse<HttpClient.AsyncBody>> asyncResponse;
private final CompletableFuture<Void> asyncBodyDone;
private final CountDownLatch consumeLock;

JettyAsyncResponseListener(HttpRequest httpRequest, HttpClient.BodyConsumer<T> bodyConsumer) {
this.httpRequest = httpRequest;
this.bodyConsumer = bodyConsumer;
asyncResponse = new CompletableFuture<>();
asyncBodyDone = new CompletableFuture<>();
consumeLock = new CountDownLatch(1);
}

@Override
public void consume() {
consumeLock.countDown();
}

@Override
public CompletableFuture<Void> done() {
return asyncBodyDone;
}

@Override
public void cancel() {
asyncBodyDone.cancel(false);
}

@Override
public void onBegin(Response response) {
asyncResponse.complete(new JettyHttpResponse<>(httpRequest, response, this));
}

@Override
public void onComplete(Result result) {
asyncBodyDone.complete(null);
}

public CompletableFuture<HttpResponse<HttpClient.AsyncBody>> listen(Request request) {
request.send(this);
return asyncResponse;
}

@Override
public void onContent(Response response, ByteBuffer content) {
try {
consumeLock.await();
if (!asyncBodyDone.isCancelled()) {
bodyConsumer.consume(process(response, content), this);
}
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw KubernetesClientException.launderThrowable(e);
} catch (Exception e) {
throw KubernetesClientException.launderThrowable(e);
}
}

protected abstract T process(Response response, ByteBuffer content);
}
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