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Implement retry and timeout policy for gRPC client.
Signed-off-by: Artur Souza <asouza.pro@gmail.com>
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,91 @@ | ||
| /* | ||
| * Copyright 2023 The Dapr Authors | ||
| * 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 io.dapr.it; | ||
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| import eu.rekawek.toxiproxy.Proxy; | ||
| import eu.rekawek.toxiproxy.ToxiproxyClient; | ||
| import eu.rekawek.toxiproxy.model.ToxicDirection; | ||
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| import java.io.IOException; | ||
| import java.time.Duration; | ||
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| public class ToxiProxyRun implements Stoppable { | ||
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| private final DaprRun daprRun; | ||
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| private final Duration latency; | ||
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| private final Duration jitter; | ||
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| private Command toxiProxyServer; | ||
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| private ToxiproxyClient toxiproxyClient; | ||
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| private Proxy grpcProxy; | ||
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| private Proxy httpProxy; | ||
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| private DaprPorts toxiProxyPorts; | ||
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| public ToxiProxyRun(DaprRun run, Duration latency, Duration jitter) { | ||
| this.daprRun = run; | ||
| this.latency = latency; | ||
| this.jitter = jitter; | ||
| this.toxiProxyPorts = DaprPorts.build(true, true, true); | ||
| // artursouza: we use the "appPort" for the ToxiProxy server. | ||
| // artursouza: this oneliner is much easier than using TestContainers (sorry). | ||
| this.toxiProxyServer = new Command( | ||
| "Starting HTTP server on endpoint", | ||
| "docker run --rm --net=host --entrypoint=\"/toxiproxy\" -it ghcr.io/shopify/toxiproxy --port " | ||
| + this.toxiProxyPorts.getAppPort()); | ||
| } | ||
|
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| public void start() throws IOException, InterruptedException { | ||
| this.toxiProxyServer.run(); | ||
| this.toxiproxyClient = new ToxiproxyClient("127.0.0.1", this.toxiProxyPorts.getAppPort()); | ||
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| if (this.daprRun.getGrpcPort() != null) { | ||
| this.grpcProxy = toxiproxyClient.createProxy( | ||
| "daprd_grpc", | ||
| "127.0.0.1:" + this.toxiProxyPorts.getGrpcPort(), | ||
| "127.0.0.1:" + this.daprRun.getGrpcPort()); | ||
| this.grpcProxy.toxics() | ||
| .latency("latency", ToxicDirection.DOWNSTREAM, this.latency.toMillis()) | ||
| .setJitter(this.jitter.toMillis()); | ||
| } | ||
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| if (this.daprRun.getHttpPort() != null) { | ||
| this.httpProxy = toxiproxyClient.createProxy( | ||
| "daprd_http", | ||
| "127.0.0.1:" + this.toxiProxyPorts.getHttpPort(), | ||
| "127.0.0.1:" + this.daprRun.getHttpPort()); | ||
| this.httpProxy.toxics() | ||
| .latency("latency", ToxicDirection.DOWNSTREAM, this.latency.toMillis()) | ||
| .setJitter(this.jitter.toMillis()); | ||
| } | ||
| } | ||
|
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| public void use() { | ||
| this.toxiProxyPorts.use(); | ||
| } | ||
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| @Override | ||
| public void stop() throws InterruptedException, IOException { | ||
| this.toxiProxyServer.stop(); | ||
| this.toxiproxyClient = null; | ||
| this.grpcProxy = null; | ||
| this.httpProxy = null; | ||
| } | ||
| } |
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