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add arthas-grpc-web-proxy module (#2668)
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## netty grpc web proxy | ||
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from: https://github.com/grpc/grpc-web/tree/1.4.2/src/connector | ||
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原项目已废弃删除,本项目改用 netty 来做转发。 | ||
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## 缺点 | ||
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原项目需要 `.proto` 文件编译的 `.class`才能运行,比如`GreeterGrpc`,本项目同样有这个问题。 | ||
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## 测试 | ||
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工程导入IDE之后,进入test目录 | ||
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在 com.taobao.arthas.grpcweb.proxy.server.GrpcWebProxyServerTest 启动测试 | ||
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也可以用原项目的相关工程来测试 | ||
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* https://github.com/grpc/grpc-web/ | ||
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## 开发验证 | ||
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可以用其它的 grpc web proxy来抓包辅助验证。 | ||
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### 用 envoy | ||
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下载envoy 后,可以用本项目里的`envoy.yaml` | ||
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* `envoy --config-path ./envoy.yaml` | ||
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### 使用 grpcwebproxy | ||
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* https://github.com/improbable-eng/grpc-web/blob/master/go/grpcwebproxy/README.md | ||
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下载后,启动: | ||
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* `grpcwebproxy --backend_addr 127.0.0.1:9090 --run_tls_server=false --allow_all_origins` | ||
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<?xml version="1.0" encoding="UTF-8"?> | ||
<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"> | ||
<parent> | ||
<artifactId>arthas-all</artifactId> | ||
<groupId>com.taobao.arthas</groupId> | ||
<version>${revision}</version> | ||
<relativePath>../pom.xml</relativePath> | ||
</parent> | ||
<modelVersion>4.0.0</modelVersion> | ||
<artifactId>arthas-grpc-web-proxy</artifactId> | ||
<name>arthas-grpc-web-proxy</name> | ||
<url>https://github.com/alibaba/arthas</url> | ||
<properties> | ||
<java.version>1.8</java.version> | ||
<grpc.version>1.46.0</grpc.version> | ||
</properties> | ||
<dependencyManagement> | ||
<dependencies> | ||
<dependency> | ||
<groupId>io.grpc</groupId> | ||
<artifactId>grpc-bom</artifactId> | ||
<version>${grpc.version}</version> | ||
<type>pom</type> | ||
<scope>import</scope> | ||
</dependency> | ||
</dependencies> | ||
</dependencyManagement> | ||
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<dependencies> | ||
<dependency> | ||
<groupId>io.netty</groupId> | ||
<artifactId>netty-codec-http</artifactId> | ||
</dependency> | ||
<dependency> | ||
<groupId>com.alibaba.arthas</groupId> | ||
<artifactId>arthas-repackage-logger</artifactId> | ||
</dependency> | ||
<dependency> | ||
<groupId>io.grpc</groupId> | ||
<artifactId>grpc-netty</artifactId> | ||
<scope>provided</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>io.grpc</groupId> | ||
<artifactId>grpc-services</artifactId> | ||
<scope>provided</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>javax.annotation</groupId> | ||
<artifactId>javax.annotation-api</artifactId> | ||
<version>1.3.2</version> | ||
<scope>provided</scope> | ||
<optional>true</optional> | ||
</dependency> | ||
<dependency> | ||
<groupId>org.slf4j</groupId> | ||
<artifactId>slf4j-api</artifactId> | ||
</dependency> | ||
<dependency> | ||
<groupId>ch.qos.logback</groupId> | ||
<artifactId>logback-classic</artifactId> | ||
<scope>test</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>ch.qos.logback</groupId> | ||
<artifactId>logback-core</artifactId> | ||
<scope>test</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>org.junit.vintage</groupId> | ||
<artifactId>junit-vintage-engine</artifactId> | ||
<scope>test</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>org.junit.jupiter</groupId> | ||
<artifactId>junit-jupiter</artifactId> | ||
<scope>test</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>org.apache.httpcomponents</groupId> | ||
<artifactId>httpmime</artifactId> | ||
<version>4.5.2</version> | ||
<scope>test</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>com.taobao.arthas</groupId> | ||
<artifactId>arthas-common</artifactId> | ||
<version>${project.version}</version> | ||
<scope>test</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>com.taobao.arthas</groupId> | ||
<artifactId>arthas-common</artifactId> | ||
<version>${project.version}</version> | ||
</dependency> | ||
</dependencies> | ||
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<profiles> | ||
<profile> | ||
<id>mac</id> | ||
<activation> | ||
<os> | ||
<family>mac</family> | ||
</os> | ||
</activation> | ||
<properties> | ||
<os.detected.classifier>osx-x86_64</os.detected.classifier> | ||
</properties> | ||
</profile> | ||
</profiles> | ||
<build> | ||
<finalName>${project.artifactId}</finalName> | ||
<extensions> | ||
<extension> | ||
<groupId>kr.motd.maven</groupId> | ||
<artifactId>os-maven-plugin</artifactId> | ||
<version>1.6.2</version> | ||
</extension> | ||
</extensions> | ||
<plugins> | ||
<plugin> | ||
<groupId>org.xolstice.maven.plugins</groupId> | ||
<artifactId>protobuf-maven-plugin</artifactId> | ||
<version>0.6.1</version> | ||
<configuration> | ||
<protoSourceRoot>${basedir}/src/main/proto</protoSourceRoot> | ||
<protocArtifact>com.google.protobuf:protoc:3.11.0:exe:${os.detected.classifier}</protocArtifact> | ||
<pluginId>grpc-java</pluginId> | ||
<pluginArtifact>io.grpc:protoc-gen-grpc-java:1.28.0:exe:${os.detected.classifier}</pluginArtifact> | ||
</configuration> | ||
<executions> | ||
<execution> | ||
<goals> | ||
<goal>test-compile</goal> | ||
<goal>test-compile-custom</goal> | ||
</goals> | ||
</execution> | ||
</executions> | ||
</plugin> | ||
</plugins> | ||
</build> | ||
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</project> |
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arthas-grpc-web-proxy/src/main/java/com/taobao/arthas/grpcweb/proxy/CorsUtils.java
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package com.taobao.arthas.grpcweb.proxy; | ||
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import io.netty.handler.codec.http.HttpHeaderNames; | ||
import io.netty.handler.codec.http.HttpHeaders; | ||
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/** | ||
* TODO 支持让用户配置更精细的 cors header | ||
* @author hengyunabc 2023-09-07 | ||
* | ||
*/ | ||
public class CorsUtils { | ||
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public static void updateCorsHeader(HttpHeaders headers) { | ||
// headers.set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_HEADERS, | ||
// StringUtils.joinWith(",", "user-agent", "cache-control", "content-type", "content-transfer-encoding", | ||
// "grpc-timeout", "keep-alive")); | ||
headers.set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_HEADERS, "*"); | ||
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headers.set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_ORIGIN, "*"); | ||
headers.set(HttpHeaderNames.ACCESS_CONTROL_REQUEST_HEADERS, "content-type,x-grpc-web,x-user-agent"); | ||
headers.set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_METHODS, "OPTIONS,GET,POST,HEAD"); | ||
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// headers.set(HttpHeaderNames.ACCESS_CONTROL_EXPOSE_HEADERS, | ||
// StringUtils.joinWith(",", "grpc-status", "grpc-message")); | ||
headers.set(HttpHeaderNames.ACCESS_CONTROL_EXPOSE_HEADERS, "*"); | ||
} | ||
} |
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...web-proxy/src/main/java/com/taobao/arthas/grpcweb/proxy/GrpcServiceConnectionManager.java
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/* | ||
* Copyright 2020 Google LLC | ||
* | ||
* 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. | ||
*/ | ||
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package com.taobao.arthas.grpcweb.proxy; | ||
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import io.grpc.Channel; | ||
import io.grpc.ClientInterceptors; | ||
import io.grpc.ManagedChannel; | ||
import io.grpc.ManagedChannelBuilder; | ||
import com.alibaba.arthas.deps.org.slf4j.Logger; | ||
import com.alibaba.arthas.deps.org.slf4j.LoggerFactory; | ||
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import java.lang.invoke.MethodHandles; | ||
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/** | ||
* TODO: Manage the connection pool to talk to the grpc-service | ||
*/ | ||
public class GrpcServiceConnectionManager { | ||
private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass().getName()); | ||
private final ManagedChannel channel; | ||
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public GrpcServiceConnectionManager(int grpcPortNum) { | ||
// TODO: Manage a connection pool. | ||
channel = ManagedChannelBuilder.forAddress("localhost", grpcPortNum).usePlaintext().build(); | ||
logger.info("**** connection channel initiated"); | ||
} | ||
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Channel getChannelWithClientInterceptor(GrpcWebClientInterceptor interceptor) { | ||
return ClientInterceptors.intercept(channel, interceptor); | ||
} | ||
} |
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...rpc-web-proxy/src/main/java/com/taobao/arthas/grpcweb/proxy/GrpcWebClientInterceptor.java
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/* | ||
* Copyright 2020 Google LLC | ||
* | ||
* 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. | ||
*/ | ||
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package com.taobao.arthas.grpcweb.proxy; | ||
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import io.grpc.*; | ||
import io.grpc.ClientCall.Listener; | ||
import io.grpc.ForwardingClientCall.SimpleForwardingClientCall; | ||
import io.grpc.ForwardingClientCallListener.SimpleForwardingClientCallListener; | ||
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import java.util.concurrent.CountDownLatch; | ||
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class GrpcWebClientInterceptor implements ClientInterceptor { | ||
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private final CountDownLatch latch; | ||
private final SendGrpcWebResponse sendResponse; | ||
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GrpcWebClientInterceptor(CountDownLatch latch, SendGrpcWebResponse send) { | ||
this.latch = latch; | ||
sendResponse = send; | ||
} | ||
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@Override | ||
public <ReqT, RespT> ClientCall<ReqT, RespT> interceptCall(MethodDescriptor<ReqT, RespT> method, | ||
CallOptions callOptions, Channel channel) { | ||
return new SimpleForwardingClientCall<ReqT, RespT>(channel.newCall(method, callOptions)) { | ||
@Override | ||
public void start(Listener<RespT> responseListener, Metadata headers) { | ||
super.start(new MetadataResponseListener<RespT>(responseListener), headers); | ||
} | ||
}; | ||
} | ||
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class MetadataResponseListener<T> extends SimpleForwardingClientCallListener<T> { | ||
private boolean headersSent = false; | ||
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MetadataResponseListener(Listener<T> responseListener) { | ||
super(responseListener); | ||
} | ||
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@Override | ||
public void onHeaders(Metadata h) { | ||
sendResponse.writeHeaders(h); | ||
headersSent = true; | ||
} | ||
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@Override | ||
public void onClose(Status s, Metadata t) { | ||
// TODO 这个函数会在 onCompleted 之前回调,这里有点奇怪 | ||
if (!headersSent) { | ||
// seems, sometimes onHeaders() is not called before this method is called! | ||
// so far, they are the error cases. let onError() method in ClientListener | ||
// handle this call. Could ignore this. | ||
// TODO is this correct? what if onError() never gets called? | ||
} else { | ||
sendResponse.writeTrailer(s, t); | ||
latch.countDown(); | ||
} | ||
super.onClose(s, t); | ||
} | ||
} | ||
} |
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