Add Header Enricher function and generate processor apps.
Add Redis consumer and gengerate sink apps. Resolves https://github.com/spring-cloud/stream-applications/issues/22 Resolves https://github.com/spring-cloud/stream-applications/issues/23
This commit is contained in:
Soby Chacko
16
applications/processor/header-enricher-processor/README.adoc
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16
applications/processor/header-enricher-processor/README.adoc
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//tag::ref-doc[]
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= Header Enricher Processor
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Use the header-enricher app to add message headers.
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The headers are provided in the form of new line delimited key value pairs, where the keys are the header names and the values are SpEL expressions.
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For example `--headers='foo=payload.someProperty \n bar=payload.otherProperty'`.
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== Options
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The **$$header-enricher$$** $$processor$$ has the following options:
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//tag::configuration-properties[]
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//end::configuration-properties[]
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//end::ref-doc[]
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91
applications/processor/header-enricher-processor/pom.xml
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applications/processor/header-enricher-processor/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://maven.apache.org/POM/4.0.0"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>header-enricher-processor</artifactId>
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<name>header-enricher-processor</name>
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<description>header-enricher processor apps</description>
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<version>3.0.0-SNAPSHOT</version>
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<parent>
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<groupId>org.springframework.cloud.stream.app</groupId>
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<artifactId>stream-applications-core</artifactId>
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<version>3.0.0-SNAPSHOT</version>
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<relativePath/>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.springframework.cloud.fn</groupId>
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<artifactId>header-enricher-function</artifactId>
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<version>${java-functions.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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<exclusions>
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<exclusion>
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<groupId>org.junit.vintage</groupId>
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<artifactId>junit-vintage-engine</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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<dependency>
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<groupId>org.springframework.integration</groupId>
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<artifactId>spring-integration-test-support</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-app-starter-doc-maven-plugin</artifactId>
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</plugin>
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<plugin>
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<groupId>org.springframework.cloud.stream.app.plugin</groupId>
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<artifactId>spring-cloud-stream-app-maven-plugin</artifactId>
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<configuration>
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<generatedApp>
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<name>filter</name>
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<type>processor</type>
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<version>${project.version}</version>
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<configClass>org.springframework.cloud.fn.header.enricher.HeaderEnricherFunctionConfiguration.class</configClass>
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<functionDefinition>headerEnricherFunction</functionDefinition>
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</generatedApp>
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<dependencies>
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<dependency>
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<groupId>org.springframework.cloud.fn</groupId>
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<artifactId>header-enricher-function</artifactId>
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<version>${java-functions.version}</version>
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</dependency>
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</dependencies>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<repositories>
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<repository>
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<snapshots>
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<enabled>true</enabled>
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</snapshots>
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<id>spring-snapshots</id>
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<name>Spring Snapshots</name>
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<url>https://repo.spring.io/libs-snapshot-local</url>
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</repository>
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<repository>
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<snapshots>
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<enabled>false</enabled>
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</snapshots>
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<id>spring-milestones</id>
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<name>Spring Milestones</name>
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<url>https://repo.spring.io/libs-milestone-local</url>
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</repository>
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</repositories>
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</project>
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configuration-properties.classes=org.springframework.cloud.fn.header.enricher.HeaderEnricherFunctionProperties
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/*
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* Copyright 2020-2020 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.cloud.stream.app.header.enricher.processor;
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import org.hamcrest.MatcherAssert;
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import org.junit.jupiter.api.Test;
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import org.springframework.boot.WebApplicationType;
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import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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import org.springframework.boot.builder.SpringApplicationBuilder;
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import org.springframework.cloud.fn.header.enricher.HeaderEnricherFunctionConfiguration;
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import org.springframework.cloud.stream.binder.test.InputDestination;
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import org.springframework.cloud.stream.binder.test.OutputDestination;
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import org.springframework.cloud.stream.binder.test.TestChannelBinderConfiguration;
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import org.springframework.context.ConfigurableApplicationContext;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Import;
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import org.springframework.integration.test.matcher.HeaderMatcher;
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import org.springframework.messaging.Message;
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import org.springframework.messaging.support.MessageBuilder;
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import static org.hamcrest.Matchers.equalTo;
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/**
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* @author Christian Tzolov
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* @author Soby Chacko
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*/
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public class HeaderEnricherProcessorTests {
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@Test
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public void testHeaderEnricherProcessor() {
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try (ConfigurableApplicationContext context = new SpringApplicationBuilder(
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TestChannelBinderConfiguration.getCompleteConfiguration(HeaderEnricherProcessorConfiguration.class))
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.web(WebApplicationType.NONE)
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.run("--spring.cloud.function.definition=headerEnricherFunction",
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"--header.enricher.headers=foo='bar' \n baz='fiz' \n buz=payload \n jaz=@value",
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"--header.enricher.overwrite=true")) {
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InputDestination processorInput = context.getBean(InputDestination.class);
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OutputDestination processorOutput = context.getBean(OutputDestination.class);
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final Message<?> message = MessageBuilder.withPayload("hello")
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.setHeader("baz", "qux").build();
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processorInput.send(message);
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Message<byte[]> enriched = processorOutput.receive(10000);
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MatcherAssert.assertThat(enriched, HeaderMatcher.hasHeader("foo", equalTo("bar")));
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MatcherAssert.assertThat(enriched, HeaderMatcher.hasHeader("baz", equalTo("fiz")));
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MatcherAssert.assertThat(enriched, HeaderMatcher.hasHeader("buz", equalTo("hello")));
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MatcherAssert.assertThat(enriched, HeaderMatcher.hasHeader("jaz", equalTo("beanValue")));
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}
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}
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@EnableAutoConfiguration
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@Import({HeaderEnricherFunctionConfiguration.class})
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public static class HeaderEnricherProcessorConfiguration {
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@Bean
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public String value() {
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return "beanValue";
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}
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}
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}
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